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Author SHA1 Message Date
f4d0cf99ad This commit was manufactured by cvs2svn to create branch 'regex-sub'.
[SVN r7754]
2000-09-21 03:34:33 +00:00
65 changed files with 969 additions and 5936 deletions

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# Use, modification, and distribution are
# subject to the Boost Software License, Version 1.0. (See accompanying
# file LICENSE.txt)
#
# Copyright Rene Rivera 2020.
# For Drone CI we use the Starlark scripting language to reduce duplication.
# As the yaml syntax for Drone CI is rather limited.
#
#
globalenv={}
linuxglobalimage="cppalliance/droneubuntu1404:1"
windowsglobalimage="cppalliance/dronevs2019"
def main(ctx):
return [
linux_cxx("TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=98,0x Job 0", "g++", packages="g++-4.4", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.4', 'CXXSTD': '98,0x', 'DRONE_JOB_UUID': 'b6589fc6ab'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-4.6 CXXSTD=03,0x Job 1", "g++", packages="g++-4.6", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.6', 'CXXSTD': '03,0x', 'DRONE_JOB_UUID': '356a192b79'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11 Job 2", "g++-4.7", packages="g++-4.7", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.7', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': 'da4b9237ba'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11 Job 3", "g++-4.8", packages="g++-4.8", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.8', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': '77de68daec'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11 Job 4", "g++-4.9", packages="g++-4.9", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.9', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': '1b64538924'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z Job 5", "g++-5", packages="g++-5", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-5', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'ac3478d69a'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z Job 6", "g++-6", packages="g++-6", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'c1dfd96eea'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17 Job 7", "g++-7", packages="g++-7", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-7', 'CXXSTD': '03,11,14,17', 'DRONE_JOB_UUID': '902ba3cda1'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17 Job 8", "g++-8", packages="g++-8", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-8', 'CXXSTD': '03,11,14,17,2a', 'DRONE_JOB_UUID': 'fe5dbbcea5'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17 Job 9", "g++-9", packages="g++-9", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-9', 'CXXSTD': '03,11,14,17,2a', 'DRONE_JOB_UUID': '0ade7c2cf9'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-10 CXXSTD=03,11,14,1 Job 10", "g++-10", packages="g++-10", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-10', 'CXXSTD': '03,11,14,17,20', 'DRONE_JOB_UUID': 'b1d5781111'}, globalenv=globalenv),
linux_cxx("UBSAN=1 TOOLSET=gcc COMPILER=g++-10 CXXSTD=03 Job 11", "g++-10", packages="g++-10", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'UBSAN': '1', 'TOOLSET': 'gcc', 'COMPILER': 'g++-10', 'CXXSTD': '03,11,14,17,20', 'UBSAN_OPTIONS': 'print_stacktrace=1', 'LINKFLAGS': '-fuse-ld=gold', 'DRONE_JOB_UUID': '17ba079149'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.4 CXXSTD=03, Job 12", "clang++", packages="clang-3.4 libstdc++-4.9-dev", llvm_os="trusty", llvm_ver="3.4", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.4', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': '7b52009b64'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03, Job 13", "clang++", packages="clang-3.5 libstdc++-4.9-dev", llvm_os="trusty", llvm_ver="3.5", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.5', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'bd307a3ec3'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03, Job 14", "clang++", packages="clang-3.6 libstdc++-5-dev", llvm_os="trusty", llvm_ver="3.6", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.6', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'fa35e19212'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03, Job 15", "clang++", packages="clang-3.7 libstdc++-5-dev", llvm_os="trusty", llvm_ver="3.7", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.7', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'f1abd67035'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03, Job 16", "clang++-3.8", packages="clang-3.8 libstdc++-6-dev", llvm_os="xenial", llvm_ver="3.8", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.8', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': '1574bddb75'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03, Job 17", "clang++-3.9", packages="clang-3.9 libstdc++-6-dev", llvm_os="xenial", llvm_ver="3.9", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.9', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': '0716d9708d'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03, Job 18", "clang++-4.0", packages="clang-4.0 libstdc++-6-dev", llvm_os="xenial", llvm_ver="4.0", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-4.0', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': '9e6a55b6b4'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03, Job 19", "clang++-5.0", packages="clang-5.0 libstdc++-7-dev", llvm_os="xenial", llvm_ver="5.0", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-5.0', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'b3f0c7f6bb'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03, Job 20", "clang++-6.0", packages="clang-6.0 libstdc++-8-dev", llvm_os="xenial", llvm_ver="6.0", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-6.0', 'CXXSTD': '03,11,14,17,2a', 'DRONE_JOB_UUID': '91032ad7bb'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11 Job 21", "clang++-7", packages="clang-7 libstdc++-8-dev", llvm_os="xenial", llvm_ver="7", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-7', 'CXXSTD': '03,11,14,17,2a', 'DRONE_JOB_UUID': '472b07b9fc'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-8 CXXSTD=03,11 Job 22", "clang++-8", packages="clang-8 libstdc++-8-dev", llvm_os="xenial", llvm_ver="8", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-8', 'CXXSTD': '03,11,14,17,2a', 'DRONE_JOB_UUID': '12c6fc06c9'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11 Job 23", "clang++-9", packages="clang-9 libstdc++-9-dev", llvm_os="xenial", llvm_ver="9", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-9', 'CXXSTD': '03,11,14,17,2a', 'DRONE_JOB_UUID': 'd435a6cdd7'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,1 Job 24", "clang++-10", packages="clang-10 libstdc++-9-dev", llvm_os="xenial", llvm_ver="10", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-10', 'CXXSTD': '03,11,14,17,20', 'DRONE_JOB_UUID': '4d134bc072'}, globalenv=globalenv),
linux_cxx("UBSAN=1 TOOLSET=clang COMPILER=clang++-10 CXX Job 25", "clang++-10", packages="clang-10 libstdc++-9-dev", llvm_os="xenial", llvm_ver="10", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'UBSAN': '1', 'TOOLSET': 'clang', 'COMPILER': 'clang++-10', 'CXXSTD': '03,11,14,17,20', 'UBSAN_OPTIONS': 'print_stacktrace=1', 'DRONE_JOB_UUID': 'f6e1126ced'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,1 Job 26", "clang++-10", packages="clang-10 libc++-10-dev libc++abi-10-dev", llvm_os="xenial", llvm_ver="10", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'CXXFLAGS': '-stdlib=libc++', 'LINKFLAGS': '-stdlib=libc++', 'TOOLSET': 'clang', 'COMPILER': 'clang++-10', 'CXXSTD': '03,11,14,17,20', 'DRONE_JOB_UUID': '887309d048'}, globalenv=globalenv),
linux_cxx("UBSAN=1 TOOLSET=clang COMPILER=clang++-10 CXX Job 27", "clang++-10", packages="clang-10 libc++-10-dev libc++abi-10-dev", llvm_os="xenial", llvm_ver="10", buildtype="boost", image="cppalliance/droneubuntu1604:1", environment={'CXXFLAGS': '-stdlib=libc++', 'LINKFLAGS': '-stdlib=libc++', 'UBSAN': '1', 'TOOLSET': 'clang', 'COMPILER': 'clang++-10', 'CXXSTD': '03,11,14,17,20', 'UBSAN_OPTIONS': 'print_stacktrace=1', 'DRONE_JOB_UUID': 'bc33ea4e26'}, globalenv=globalenv),
osx_cxx("TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,1 Job 28", "clang++", packages="", buildtype="boost", xcode_version="11.2", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,17', 'DRONE_JOB_UUID': '0a57cb53ba'}, globalenv=globalenv),
]
# from https://github.com/boostorg/boost-ci
load("@boost_ci//ci/drone/:functions.star", "linux_cxx","windows_cxx","osx_cxx","freebsd_cxx")

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#!/bin/bash

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#!/bin/bash

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#!/bin/bash

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#!/bin/bash
set -ex
export TRAVIS_BUILD_DIR=$(pwd)
export DRONE_BUILD_DIR=$(pwd)
export TRAVIS_BRANCH=$DRONE_BRANCH
export VCS_COMMIT_ID=$DRONE_COMMIT
export GIT_COMMIT=$DRONE_COMMIT
export REPO_NAME=$DRONE_REPO
export PATH=~/.local/bin:/usr/local/bin:$PATH
echo '==================================> BEFORE_INSTALL'
. .drone/before-install.sh
echo '==================================> INSTALL'
GIT_FETCH_JOBS=8
BOOST_BRANCH=develop
if [ "$TRAVIS_BRANCH" = "master" ]; then BOOST_BRANCH=master; fi
cd ..
git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
cd boost-root
git submodule init tools/boostdep
git submodule init tools/build
git submodule init tools/boost_install
git submodule init libs/headers
git submodule init libs/config
git submodule update --jobs $GIT_FETCH_JOBS
cp -r $TRAVIS_BUILD_DIR/* libs/integer
python tools/boostdep/depinst/depinst.py --git_args "--jobs $GIT_FETCH_JOBS" integer
./bootstrap.sh
./b2 headers
echo '==================================> BEFORE_SCRIPT'
. $DRONE_BUILD_DIR/.drone/before-script.sh
echo '==================================> SCRIPT'
echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
BUILD_JOBS=`(nproc || sysctl -n hw.ncpu) 2> /dev/null`
./b2 -j $BUILD_JOBS libs/integer/test toolset=$TOOLSET cxxstd=$CXXSTD ${UBSAN:+cxxflags=-fsanitize=undefined cxxflags=-fno-sanitize-recover=undefined linkflags=-fsanitize=undefined define=UBSAN=1 debug-symbols=on visibility=global} ${CXXFLAGS:+cxxflags="$CXXFLAGS"} ${LINKFLAGS:+linkflags="$LINKFLAGS"}
echo '==================================> AFTER_SUCCESS'
. $DRONE_BUILD_DIR/.drone/after-success.sh

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# Copyright 2021-2023 Andrey Semashev
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
name: CI
on:
pull_request:
push:
branches:
- master
- develop
- feature/**
concurrency:
group: ${{format('{0}:{1}', github.repository, github.ref)}}
cancel-in-progress: true
env:
GIT_FETCH_JOBS: 8
NET_RETRY_COUNT: 5
DEFAULT_BUILD_VARIANT: debug,release
jobs:
posix:
defaults:
run:
shell: bash
strategy:
fail-fast: false
matrix:
include:
# Linux, gcc
- toolset: gcc-4.6
cxxstd: "0x"
os: ubuntu-latest
container: ubuntu:16.04
install:
- g++-4.6
sources:
- "ppa:ubuntu-toolchain-r/test"
- toolset: gcc-4.7
cxxstd: "11"
os: ubuntu-latest
container: ubuntu:16.04
install:
- g++-4.7
- toolset: gcc-4.8
cxxstd: "11"
os: ubuntu-latest
container: ubuntu:18.04
install:
- g++-4.8
- toolset: gcc-4.9
cxxstd: "11"
os: ubuntu-latest
container: ubuntu:16.04
install:
- g++-4.9
- toolset: gcc-5
cxxstd: "11,14,1z"
os: ubuntu-latest
container: ubuntu:16.04
install:
- g++-5
- toolset: gcc-6
cxxstd: "11,14,1z"
os: ubuntu-latest
container: ubuntu:18.04
install:
- g++-6
- toolset: gcc-7
cxxstd: "11,14,17"
os: ubuntu-latest
container: ubuntu:18.04
install:
- g++-7
- toolset: gcc-8
cxxstd: "11,14,17,2a"
os: ubuntu-latest
container: ubuntu:18.04
install:
- g++-8
- toolset: gcc-9
cxxstd: "11,14,17,2a"
os: ubuntu-20.04
install:
- g++-9
- toolset: gcc-10
cxxstd: "11,14,17,20"
os: ubuntu-20.04
install:
- g++-10
- toolset: gcc-11
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,23-gnu"
os: ubuntu-22.04
install:
- g++-11
- toolset: gcc-12
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,23-gnu"
os: ubuntu-22.04
install:
- g++-12
- name: UBSAN
toolset: gcc-11
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,23-gnu"
ubsan: 1
build_variant: debug
os: ubuntu-22.04
install:
- g++-11
# Linux, clang
- toolset: clang
compiler: clang++-3.5
cxxstd: "11"
os: ubuntu-latest
container: ubuntu:16.04
install:
- clang-3.5
- toolset: clang
compiler: clang++-3.6
cxxstd: "11,14"
os: ubuntu-latest
container: ubuntu:16.04
install:
- clang-3.6
- toolset: clang
compiler: clang++-3.7
cxxstd: "11,14"
os: ubuntu-latest
container: ubuntu:16.04
install:
- clang-3.7
- toolset: clang
compiler: clang++-3.8
cxxstd: "11,14"
os: ubuntu-latest
container: ubuntu:16.04
install:
- clang-3.8
- toolset: clang
compiler: clang++-3.9
cxxstd: "11,14"
os: ubuntu-latest
container: ubuntu:18.04
install:
- clang-3.9
- toolset: clang
compiler: clang++-4.0
cxxstd: "11,14"
os: ubuntu-latest
container: ubuntu:18.04
install:
- clang-4.0
- toolset: clang
compiler: clang++-5.0
cxxstd: "11,14,1z"
os: ubuntu-latest
container: ubuntu:18.04
install:
- clang-5.0
- toolset: clang
compiler: clang++-6.0
cxxstd: "11,14,17"
os: ubuntu-latest
container: ubuntu:18.04
install:
- clang-6.0
- toolset: clang
compiler: clang++-7
cxxstd: "11,14,17"
os: ubuntu-latest
container: ubuntu:18.04
install:
- clang-7
# Note: clang-8 does not fully support C++20, so it is not compatible with libstdc++-8 in this mode
- toolset: clang
compiler: clang++-8
cxxstd: "11,14,17,2a"
os: ubuntu-latest
container: ubuntu:18.04
install:
- clang-8
- g++-7
gcc_toolchain: 7
- toolset: clang
compiler: clang++-9
cxxstd: "11,14,17,2a"
os: ubuntu-20.04
install:
- clang-9
- toolset: clang
compiler: clang++-10
cxxstd: "11,14,17,20"
os: ubuntu-20.04
install:
- clang-10
- toolset: clang
compiler: clang++-11
cxxstd: "11,14,17,20"
os: ubuntu-22.04
install:
- clang-11
- toolset: clang
compiler: clang++-12
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
os: ubuntu-22.04
install:
- clang-12
- g++-11
gcc_toolchain: 11
- toolset: clang
compiler: clang++-13
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
os: ubuntu-22.04
install:
- clang-13
- g++-11
gcc_toolchain: 11
- toolset: clang
compiler: clang++-14
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
os: ubuntu-22.04
install:
- clang-14
- g++-11
gcc_toolchain: 11
- toolset: clang
compiler: clang++-15
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
os: ubuntu-22.04
install:
- clang-15
- g++-11
gcc_toolchain: 11
- toolset: clang
compiler: clang++-15
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
os: ubuntu-22.04
install:
- clang-15
- libc++-15-dev
- libc++abi-15-dev
cxxflags: -stdlib=libc++
linkflags: -stdlib=libc++
- toolset: clang
compiler: clang++-16
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
os: ubuntu-22.04
install:
- clang-16
sources:
- "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main"
source_keys:
- "https://apt.llvm.org/llvm-snapshot.gpg.key"
- toolset: clang
compiler: clang++-16
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
os: ubuntu-22.04
install:
- clang-16
- libc++-16-dev
- libc++abi-16-dev
sources:
- "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main"
source_keys:
- "https://apt.llvm.org/llvm-snapshot.gpg.key"
cxxflags: -stdlib=libc++
linkflags: -stdlib=libc++
- name: UBSAN
toolset: clang
compiler: clang++-15
cxxstd: "03-gnu,11-gnu,14-gnu,17-gnu,20-gnu,2b-gnu"
cxxflags: -stdlib=libc++
linkflags: -stdlib=libc++
ubsan: 1
build_variant: debug
os: ubuntu-22.04
install:
- clang-15
- libc++-15-dev
- libc++abi-15-dev
- toolset: clang
cxxstd: "11,14,17,2a"
os: macos-11
timeout-minutes: 60
runs-on: ${{matrix.os}}
container: ${{matrix.container}}
steps:
- name: Setup environment
run: |
if [ -f "/etc/debian_version" ]
then
echo "DEBIAN_FRONTEND=noninteractive" >> $GITHUB_ENV
export DEBIAN_FRONTEND=noninteractive
fi
if [ -n "${{matrix.container}}" ]
then
echo "GHA_CONTAINER=${{matrix.container}}" >> $GITHUB_ENV
if [ -f "/etc/debian_version" ]
then
apt-get -o Acquire::Retries=$NET_RETRY_COUNT update
if [ "$(apt-cache search "^python-is-python3$" | wc -l)" -ne 0 ]
then
PYTHON_PACKAGE="python-is-python3"
else
PYTHON_PACKAGE="python"
fi
apt-get -o Acquire::Retries=$NET_RETRY_COUNT install -y sudo software-properties-common tzdata wget curl apt-transport-https ca-certificates make build-essential g++ $PYTHON_PACKAGE python3 perl git cmake
fi
fi
git config --global pack.threads 0
- uses: actions/checkout@v3
- name: Install packages
if: matrix.install
run: |
declare -a SOURCE_KEYS SOURCES
if [ -n "${{join(matrix.source_keys, ' ')}}" ]
then
SOURCE_KEYS=("${{join(matrix.source_keys, '" "')}}")
fi
if [ -n "${{join(matrix.sources, ' ')}}" ]
then
SOURCES=("${{join(matrix.sources, '" "')}}")
fi
for key in "${SOURCE_KEYS[@]}"
do
for i in {1..$NET_RETRY_COUNT}
do
echo "Adding key: $key"
wget -O - "$key" | sudo apt-key add - && break || sleep 2
done
done
if [ ${#SOURCES[@]} -gt 0 ]
then
APT_ADD_REPO_COMMON_ARGS=("-y")
APT_ADD_REPO_SUPPORTED_ARGS="$(apt-add-repository --help | perl -ne 'if (/^\s*-n/) { print "n"; } elsif (/^\s*-P/) { print "P"; } elsif (/^\s*-S/) { print "S"; } elsif (/^\s*-U/) { print "U"; }')"
if [ -n "$APT_ADD_REPO_SUPPORTED_ARGS" -a -z "${APT_ADD_REPO_SUPPORTED_ARGS##*n*}" ]
then
APT_ADD_REPO_COMMON_ARGS+=("-n")
fi
APT_ADD_REPO_HAS_SOURCE_ARGS="$([ -n "$APT_ADD_REPO_SUPPORTED_ARGS" -a -z "${APT_ADD_REPO_SUPPORTED_ARGS##*P*}" -a -z "${APT_ADD_REPO_SUPPORTED_ARGS##*S*}" -a -z "${APT_ADD_REPO_SUPPORTED_ARGS##*U*}" ] && echo 1 || echo 0)"
for source in "${SOURCES[@]}"
do
for i in {1..$NET_RETRY_COUNT}
do
APT_ADD_REPO_ARGS=("${APT_ADD_REPO_COMMON_ARGS[@]}")
if [ $APT_ADD_REPO_HAS_SOURCE_ARGS -ne 0 ]
then
case "$source" in
"ppa:"*)
APT_ADD_REPO_ARGS+=("-P")
;;
"deb "*)
APT_ADD_REPO_ARGS+=("-S")
;;
*)
APT_ADD_REPO_ARGS+=("-U")
;;
esac
fi
APT_ADD_REPO_ARGS+=("$source")
echo "apt-add-repository ${APT_ADD_REPO_ARGS[@]}"
sudo -E apt-add-repository "${APT_ADD_REPO_ARGS[@]}" && break || sleep 2
done
done
fi
sudo apt-get -o Acquire::Retries=$NET_RETRY_COUNT update
sudo apt-get -o Acquire::Retries=$NET_RETRY_COUNT install -y ${{join(matrix.install, ' ')}}
- name: Setup GCC Toolchain
if: matrix.gcc_toolchain
run: |
GCC_TOOLCHAIN_ROOT="$HOME/gcc-toolchain"
echo "GCC_TOOLCHAIN_ROOT=\"$GCC_TOOLCHAIN_ROOT\"" >> $GITHUB_ENV
MULTIARCH_TRIPLET="$(dpkg-architecture -qDEB_HOST_MULTIARCH)"
mkdir -p "$GCC_TOOLCHAIN_ROOT"
ln -s /usr/include "$GCC_TOOLCHAIN_ROOT/include"
ln -s /usr/bin "$GCC_TOOLCHAIN_ROOT/bin"
mkdir -p "$GCC_TOOLCHAIN_ROOT/lib/gcc/$MULTIARCH_TRIPLET"
ln -s "/usr/lib/gcc/$MULTIARCH_TRIPLET/${{matrix.gcc_toolchain}}" "$GCC_TOOLCHAIN_ROOT/lib/gcc/$MULTIARCH_TRIPLET/${{matrix.gcc_toolchain}}"
- name: Setup Boost
run: |
echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
LIBRARY=${GITHUB_REPOSITORY#*/}
echo LIBRARY: $LIBRARY
echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
echo GITHUB_BASE_REF: $GITHUB_BASE_REF
echo GITHUB_REF: $GITHUB_REF
REF=${GITHUB_BASE_REF:-$GITHUB_REF}
REF=${REF#refs/heads/}
echo REF: $REF
BOOST_BRANCH=develop && [ "$REF" = "master" ] && BOOST_BRANCH=master || true
echo BOOST_BRANCH: $BOOST_BRANCH
BUILD_JOBS=$((nproc || sysctl -n hw.ncpu) 2> /dev/null)
echo "BUILD_JOBS=$BUILD_JOBS" >> $GITHUB_ENV
echo "CMAKE_BUILD_PARALLEL_LEVEL=$BUILD_JOBS" >> $GITHUB_ENV
DEPINST_ARGS=()
GIT_VERSION="$(git --version | sed -e 's/git version //')"
GIT_HAS_JOBS=1
if [ -f "/etc/debian_version" ]
then
if $(dpkg --compare-versions "$GIT_VERSION" lt 2.8.0)
then
GIT_HAS_JOBS=0
fi
else
declare -a GIT_VER=(${GIT_VERSION//./ })
declare -a GIT_MIN_VER=(2 8 0)
for ((i=0; i<${#GIT_VER[@]}; i++))
do
if [ -z "${GIT_MIN_VER[i]}" ]
then
GIT_MIN_VER[i]=0
fi
if [ "${GIT_VER[i]}" -lt "${GIT_MIN_VER[i]}" ]
then
GIT_HAS_JOBS=0
break
fi
done
fi
if [ "$GIT_HAS_JOBS" -ne 0 ]
then
DEPINST_ARGS+=("--git_args" "--jobs $GIT_FETCH_JOBS")
fi
cd ..
git clone -b "$BOOST_BRANCH" --depth 1 "https://github.com/boostorg/boost.git" "boost-root"
cd boost-root
mkdir -p libs/$LIBRARY
cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
git submodule update --init tools/boostdep
DEPINST_ARGS+=("$LIBRARY")
python tools/boostdep/depinst/depinst.py "${DEPINST_ARGS[@]}"
if [ -z "${{matrix.cmake_tests}}" ]
then
./bootstrap.sh
./b2 headers
if [ -n "${{matrix.compiler}}" -o -n "$GCC_TOOLCHAIN_ROOT" ]
then
echo -n "using ${{matrix.toolset}} : : ${{matrix.compiler}}" > ~/user-config.jam
if [ -n "$GCC_TOOLCHAIN_ROOT" ]
then
echo -n " : <compileflags>\"--gcc-toolchain=$GCC_TOOLCHAIN_ROOT\" <linkflags>\"--gcc-toolchain=$GCC_TOOLCHAIN_ROOT\"" >> ~/user-config.jam
fi
echo " ;" >> ~/user-config.jam
fi
fi
- name: Run tests
if: matrix.cmake_tests == ''
run: |
cd ../boost-root
B2_ARGS=("-j" "$BUILD_JOBS" "toolset=${{matrix.toolset}}" "cxxstd=${{matrix.cxxstd}}")
if [ -n "${{matrix.build_variant}}" ]
then
B2_ARGS+=("variant=${{matrix.build_variant}}")
else
B2_ARGS+=("variant=$DEFAULT_BUILD_VARIANT")
fi
if [ -n "${{matrix.threading}}" ]
then
B2_ARGS+=("threading=${{matrix.threading}}")
fi
if [ -n "${{matrix.ubsan}}" ]
then
export UBSAN_OPTIONS="print_stacktrace=1"
B2_ARGS+=("cxxflags=-fsanitize=undefined -fno-sanitize-recover=undefined" "linkflags=-fsanitize=undefined -fuse-ld=gold" "define=UBSAN=1" "debug-symbols=on" "visibility=global")
fi
if [ -n "${{matrix.cxxflags}}" ]
then
B2_ARGS+=("cxxflags=${{matrix.cxxflags}}")
fi
if [ -n "${{matrix.linkflags}}" ]
then
B2_ARGS+=("linkflags=${{matrix.linkflags}}")
fi
B2_ARGS+=("libs/$LIBRARY/test")
./b2 "${B2_ARGS[@]}"

View File

@ -1,22 +0,0 @@
# Copyright 2018 Peter Dimov
# Copyright 2018 Andrey Semashev
# Distributed under the Boost Software License, Version 1.0.
# See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
cmake_minimum_required(VERSION 3.5...3.20)
project(boost_integer VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
add_library(boost_integer INTERFACE)
add_library(Boost::integer ALIAS boost_integer)
target_include_directories(boost_integer INTERFACE include)
target_link_libraries(boost_integer
INTERFACE
Boost::assert
Boost::config
Boost::core
Boost::static_assert
Boost::throw_exception
)

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@ -1,32 +0,0 @@
# Boost.Integer
Boost.Integer, part of collection of the [Boost C++ Libraries](https://github.com/boostorg), provides
integer type support, particularly helpful in generic programming. It provides the means to select
an integer type based upon its properties, like the number of bits or the maximum supported value,
as well as compile-time bit mask selection. There is a derivative of `std::numeric_limits` that provides
integral constant expressions for `min` and `max`...
Finally, it provides two compile-time algorithms: determining the highest power of two in a
compile-time value; and computing min and max of constant expressions.
### Directories
* **doc** - QuickBook documentation sources
* **include** - Interface headers of Boost.Integer
* **test** - Boost.Integer unit tests
### More information
* [Documentation](https://boost.org/libs/integer)
* [Report bugs](https://github.com/boostorg/integer/issues/new). Be sure to mention Boost version, platform and compiler you're using. A small compilable code sample to reproduce the problem is always good as well.
* Submit your patches as pull requests against **develop** branch. Note that by submitting patches you agree to license your modifications under the [Boost Software License, Version 1.0](https://www.boost.org/LICENSE_1_0.txt).
### Build status
Branch | GitHub Actions | Drone | AppVeyor | Test Matrix | Dependencies |
:-------------: | -------------- | ----- | -------- | ----------- | ------------ |
[`master`](https://github.com/boostorg/integer/tree/master) | [![GitHub Actions](https://github.com/boostorg/integer/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/boostorg/integer/actions?query=branch%3Amaster) | [![Drone](https://drone.cpp.al/api/badges/boostorg/integer/status.svg?ref=refs/heads/master)](https://drone.cpp.al/boostorg/integer) | [![AppVeyor](https://ci.appveyor.com/api/projects/status/iugyf5rf51n99g3w/branch/master?svg=true)](https://ci.appveyor.com/project/Lastique/integer/branch/master) | [![Tests](https://img.shields.io/badge/matrix-master-brightgreen.svg)](http://www.boost.org/development/tests/master/developer/integer.html) | [![Dependencies](https://img.shields.io/badge/deps-master-brightgreen.svg)](https://pdimov.github.io/boostdep-report/master/integer.html)
[`develop`](https://github.com/boostorg/integer/tree/develop) | [![GitHub Actions](https://github.com/boostorg/integer/actions/workflows/ci.yml/badge.svg?branch=develop)](https://github.com/boostorg/integer/actions?query=branch%3Adevelop) | [![Drone](https://drone.cpp.al/api/badges/boostorg/integer/status.svg?ref=refs/heads/develop)](https://drone.cpp.al/boostorg/integer) | [![AppVeyor](https://ci.appveyor.com/api/projects/status/iugyf5rf51n99g3w/branch/develop?svg=true)](https://ci.appveyor.com/project/Lastique/integer/branch/develop) | [![Tests](https://img.shields.io/badge/matrix-develop-brightgreen.svg)](http://www.boost.org/development/tests/develop/developer/integer.html) | [![Dependencies](https://img.shields.io/badge/deps-develop-brightgreen.svg)](https://pdimov.github.io/boostdep-report/develop/integer.html)
### License
Distributed under the [Boost Software License, Version 1.0](https://www.boost.org/LICENSE_1_0.txt).

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@ -1,82 +0,0 @@
# Copyright 2019 Andrey Semashev
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
version: 1.0.{build}-{branch}
shallow_clone: true
branches:
only:
- master
- develop
- /feature\/.*/
environment:
matrix:
- TOOLSET: msvc-14.0
CXXSTD: 14,latest
ADDRMD: 32,64
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
- TOOLSET: msvc-14.1
CXXSTD: 14,17,latest
ADDRMD: 32,64
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
- TOOLSET: msvc-14.2
ADDRMD: 32,64
CXXSTD: 14,17,20,latest
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
- TOOLSET: msvc-14.3
ADDRMD: 32,64
CXXSTD: 14,17,20,latest
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
- TOOLSET: clang-win
ADDRMD: 32,64
CXXSTD: 14,17,latest
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
- TOOLSET: gcc
CXXSTD: 11,14,1z
ADDPATH: C:\cygwin\bin;
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
- TOOLSET: gcc
CXXSTD: 11,14,1z
ADDPATH: C:\cygwin64\bin;
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
- TOOLSET: gcc
CXXSTD: 11,14,1z
ADDPATH: C:\mingw\bin;
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
- TOOLSET: gcc
CXXSTD: 11,14,1z
ADDPATH: C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin;
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
- TOOLSET: gcc
CXXSTD: 11,14,1z
ADDPATH: C:\mingw-w64\x86_64-7.3.0-posix-seh-rt_v5-rev0\mingw64\bin;
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
install:
- set GIT_FETCH_JOBS=8
- set BOOST_BRANCH=develop
- if "%APPVEYOR_REPO_BRANCH%" == "master" set BOOST_BRANCH=master
- cd ..
- git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
- cd boost-root
- git submodule init tools/build
- git submodule init tools/boostdep
- git submodule init tools/boost_install
- git submodule init libs/headers
- git submodule init libs/config
- git submodule update --jobs %GIT_FETCH_JOBS%
- xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\integer
- python tools/boostdep/depinst/depinst.py --git_args "--jobs %GIT_FETCH_JOBS%" integer
- cmd /c bootstrap
- b2 -d0 headers
build: off
test_script:
- PATH=%ADDPATH%%PATH%
- if not "%CXXSTD%" == "" set CXXSTD=cxxstd=%CXXSTD%
- if not "%ADDRMD%" == "" set ADDRMD=address-model=%ADDRMD%
- b2 -j %NUMBER_OF_PROCESSORS% libs/integer/test toolset=%TOOLSET% %CXXSTD% %ADDRMD%

79
cstdint.htm Normal file
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>Header boost/cstdint.hpp</title>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<h1><img src="../../c++boost.gif" alt="c++boost.gif (8819 bytes)" align="center" width="277" height="86">Header
boost/cstdint.hpp&nbsp;</h1>
<p>The header <code><a href="../../boost/cstdint.hpp">&lt;boost/cstdint.hpp&gt;</a></code>
places the contents of the header <code><a href="../../boost/stdint.h">&lt;boost/stdint.h&gt;</a></code>
in namespace boost.&nbsp; That header consists entirely of typedef's useful for
writing portable code that requires certain integer widths.</p>
<p>The specifications are based on the ISO/IEC 9899:1999 C Language standard
header stdint.h.&nbsp; The 64-bit types required by the C standard are not
required in the boost header, and may not be supplied in all implementations,
because <code>long long</code> is not [yet] included in the C++ standard.</p>
<p>See <a href="cstdint_test.cpp">cstdint_test.cpp</a> for a test program.</p>
<h2>Exact-width integer types</h2>
<p>The typedef <code>int#_t</code>, with # replaced by the width, designates a
signed integer type of exactly # bits; <code>int8_t</code> denotes an 8-bit
signed integer type.&nbsp; Similarly, the typedef <code>uint#_t</code>
designates and unsigned integer type of exactly # bits.</p>
<p>These types are optional. However, if an implementation provides integer
types with widths of 8, 16, 32, or 64 bits, it shall define the corresponding
typedef names.</p>
<h2>Minimum-width integer types</h2>
<p>The typedef <code>int_least#_t</code>, with # replaced by the width,&nbsp;
designates a signed integer type with a width of at least # bits, such that no
signed integer type with lesser size has at least the specified width. Thus, <code>int_least32_t</code>
denotes a signed integer type with a width of at least 32 bits. Similarly, the
typedef name <code>uint_least#_t</code> designates an unsigned integer type with
a width of at least # bits, such that no unsigned integer type with lesser size
has at least the specified width.</p>
<p>Required minimum-width integer types:</p>
<ul>
<li><code>int_least8_t</code></li>
<li><code>int_least16_t</code></li>
<li><code>int_least32_t</code></li>
<li><code>uint_least8_t</code></li>
<li><code>uint_least16_t</code></li>
<li><code>uint_least32_t</code></li>
</ul>
<p>All other minimum-width integer types are optional.</p>
<h2>Fastest minimum-width integer types</h2>
<p>The typedef <code>int_fast#_t</code>, with # replaced by the width,
designates the fastest signed integer type with a width of at least # bits.
Similarly, the typedef name <code>uint_fast#_t</code> designates the fastest
unsigned integer type with a width of at least # bits.</p>
<p>There is no guarantee that these types are fastest for all purposes.&nbsp; In
any case, however, they satisfy&nbsp; the signedness and width requirements.</p>
<p>Required fastest minimum-width integer types:</p>
<ul>
<li><code>int_fast8_t</code></li>
<li><code>int_fast16_t</code></li>
<li><code>int_fast32_t</code></li>
<li><code>uint_fast8_t</code></li>
<li><code>uint_fast16_t</code></li>
<li><code>uint_fast32_t</code></li>
</ul>
<p>All other fastest minimum-width integer types are optional.</p>
<h2>Greatest-width integer types</h2>
<p>The typedef <code>intmax_t </code>designates a signed integer type capable of
representing any value of any signed integer type.</p>
<p>The typedef <code>uintmax_t</code> designates an unsigned integer type
capable of representing any value of any unsigned integer type.</p>
<p>These types are required.</p>
<hr>
<p>Revised <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %b %Y" startspan -->29 Jun 2000<!--webbot bot="Timestamp" endspan i-checksum="15060" -->
</p>
<p>&nbsp;</p>
</body>
</html>

74
cstdint_test.cpp Normal file
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// boost cstdint.hpp test program ------------------------------------------//
// (C) Copyright Beman Dawes 2000. Permission to copy, use, modify, sell
// and distribute this software is granted provided this copyright
// notice appears in all copies. This software is provided "as is" without
// express or implied warranty, and with no claim as to its suitability for
// any purpose.
// See http://www.boost.org for most recent version including documentation.
// Revision History
// 28 Jun 00 Initial version
#include <boost/cstdint.hpp>
#include <cassert>
#include <iostream>
#ifdef NDEBUG
#error This test makes no sense with NDEBUG defined
#endif
int main()
{
boost::int8_t int8 = -127;
boost::int_least8_t int_least8 = -127;
boost::int_fast8_t int_fast8 = -127;
boost::uint8_t uint8 = 255;
boost::uint_least8_t uint_least8 = 255;
boost::uint_fast8_t uint_fast8 = 255;
boost::int16_t int16 = -32767;
boost::int_least16_t int_least16 = -32767;
boost::int_fast16_t int_fast16 = -32767;
boost::uint16_t uint16 = 65535;
boost::uint_least16_t uint_least16 = 65535;
boost::uint_fast16_t uint_fast16 = 65535;
boost::int32_t int32 = -2147483647;
boost::int_least32_t int_least32 = -2147483647;
boost::int_fast32_t int_fast32 = -2147483647;
boost::uint32_t uint32 = 4294967295;
boost::uint_least32_t uint_least32 = 4294967295;
boost::uint_fast32_t uint_fast32 = 4294967295;
boost::intmax_t intmax = -2147483647;
boost::uintmax_t uintmax = 4294967295;
assert( int8 == -127 );
assert( int_least8 == -127 );
assert( int_fast8 == -127 );
assert( uint8 == 255 );
assert( uint_least8 == 255 );
assert( uint_fast8 == 255 );
assert( int16 == -32767 );
assert( int_least16 == -32767 );
assert( int_fast16 == -32767 );
assert( uint16 == 65535 );
assert( uint_least16 == 65535 );
assert( uint_fast16 == 65535 );
assert( int32 == -2147483647 );
assert( int_least32 == -2147483647 );
assert( int_fast32 == -2147483647 );
assert( uint32 == 4294967295 );
assert( uint_least32 == 4294967295 );
assert( uint_fast32 == 4294967295 );
assert( intmax == -2147483647 );
assert( uintmax == 4294967295 );
std::cout << "OK\n";
return 0;
}

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@ -1,60 +0,0 @@
# Copyright John Maddock 2005. Use, modification, and distribution are
# subject to the Boost Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
using quickbook ;
xml integer : integer.qbk ;
boostbook standalone
:
integer
:
# HTML options first:
# Use graphics not text for navigation:
<xsl:param>navig.graphics=1
# How far down we chunk nested sections, basically all of them:
<xsl:param>chunk.section.depth=1
# Don't put the first section on the same page as the TOC:
<xsl:param>chunk.first.sections=0
# How far down sections get TOC's
<xsl:param>toc.section.depth=1
# Max depth in each TOC:
<xsl:param>toc.max.depth=1
# How far down we go with TOC's
<xsl:param>generate.section.toc.level=4
# Path for links to Boost:
<xsl:param>"boost.root=../../../.."
# PDF Options:
# TOC Generation: this is needed for FOP-0.9 and later:
<xsl:param>fop1.extensions=0
# Or enable this if you're using XEP:
<xsl:param>xep.extensions=1
# TOC generation: this is needed for FOP 0.2, but must not be set to zero for FOP-0.9!
<xsl:param>fop.extensions=0
# No indent on body text:
<xsl:param>body.start.indent=0pt
# Margin size:
<xsl:param>page.margin.inner=0.5in
# Margin size:
<xsl:param>page.margin.outer=0.5in
# Yes, we want graphics for admonishments:
<xsl:param>admon.graphics=1
# Set this one for PDF generation *only*:
# default pnd graphics are awful in PDF form,
# better use SVG's instead:
<format>pdf:<xsl:param>admon.graphics.extension=".svg"
<format>pdf:<xsl:param>"admon.graphics.path=$(boost-images)/"
<format>pdf:<xsl:param>"boost.url.prefix=https://www.boost.org/doc/libs/release/libs/integer/doc/html"
;
install pdfinstall : standalone/<format>pdf : <location>. <install-type>PDF ;
explicit pdfinstall ;
###############################################################################
alias boostdoc ;
explicit boostdoc ;
alias boostrelease : standalone ;
explicit boostrelease ;

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@ -1,290 +0,0 @@
[section:gcd_lcm Greatest Common Divisor and Least Common Multiple]
[section Introduction]
The class and function templates in <boost/math/common_factor.hpp>
provide run-time and compile-time evaluation of the greatest common divisor
(GCD) or least common multiple (LCM) of two integers.
These facilities are useful for many numeric-oriented generic
programming problems.
[endsect]
[section Synopsis]
namespace boost
{
namespace integer
{
template < typename IntegerType >
class gcd_evaluator;
template < typename IntegerType >
class lcm_evaluator;
template < typename IntegerType >
constexpr IntegerType gcd( IntegerType const &a, IntegerType const &b );
template < typename IntegerType >
constexpr IntegerType lcm( IntegerType const &a, IntegerType const &b );
template < typename IntegerType, typename... Args >
constexpr IntegerType gcd( IntegerType const &a, IntegerType const &b, Args const&... );
template < typename IntegerType, typename... Args >
constexpr IntegerType lcm( IntegerType const &a, IntegerType const &b, Args const&... );
template <typename I>
std::pair<typename std::iterator_traits<I>::value_type, I>
gcd_range(I first, I last);
template <typename I>
std::pair<typename std::iterator_traits<I>::value_type, I>
lcm_range(I first, I last);
typedef ``['see-below]`` static_gcd_type;
template < static_gcd_type Value1, static_gcd_type Value2 >
struct static_gcd;
template < static_gcd_type Value1, static_gcd_type Value2 >
struct static_lcm;
}
}
[endsect]
[section GCD Function Object]
[*Header: ] [@../../../../boost/integer/common_factor_rt.hpp <boost/integer/common_factor_rt.hpp>]
template < typename IntegerType >
class boost::integer::gcd_evaluator
{
public:
// Types
typedef IntegerType result_type;
typedef IntegerType first_argument_type;
typedef IntegerType second_argument_type;
// Function object interface
constexpr result_type operator ()(
first_argument_type const &a,
second_argument_type const &b ) const;
};
The boost::integer::gcd_evaluator class template defines a function object
class to return the greatest common divisor of two integers.
The template is parameterized by a single type, called IntegerType here.
This type should be a numeric type that represents integers.
The result of the function object is always nonnegative, even if either of
the operator arguments is negative.
This function object class template is used in the corresponding version of
the GCD function template. If a numeric type wants to customize evaluations
of its greatest common divisors, then the type should specialize on the
gcd_evaluator class template.
Note that these function objects are `constexpr` in C++14 and later only.
They are also declared `noexcept` when appropriate.
[endsect]
[section LCM Function Object]
[*Header: ] [@../../../../boost/integer/common_factor_rt.hpp <boost/integer/common_factor_rt.hpp>]
template < typename IntegerType >
class boost::integer::lcm_evaluator
{
public:
// Types
typedef IntegerType result_type;
typedef IntegerType first_argument_type;
typedef IntegerType second_argument_type;
// Function object interface
constexpr result_type operator ()(
first_argument_type const &a,
second_argument_type const &b ) const;
};
The boost::integer::lcm_evaluator class template defines a function object
class to return the least common multiple of two integers. The template
is parameterized by a single type, called IntegerType here. This type
should be a numeric type that represents integers. The result of the
function object is always nonnegative, even if either of the operator
arguments is negative. If the least common multiple is beyond the range
of the integer type, the results are undefined.
This function object class template is used in the corresponding version
of the LCM function template. If a numeric type wants to customize
evaluations of its least common multiples, then the type should
specialize on the lcm_evaluator class template.
Note that these function objects are constexpr in C++14 and later only.
They are also declared `noexcept` when appropriate.
[endsect]
[section:run_time Run-time GCD & LCM Determination]
[*Header: ] [@../../../../boost/integer/common_factor_rt.hpp <boost/integer/common_factor_rt.hpp>]
template < typename IntegerType >
constexpr IntegerType boost::integer::gcd( IntegerType const &a, IntegerType const &b );
template < typename IntegerType >
constexpr IntegerType boost::integer::lcm( IntegerType const &a, IntegerType const &b );
template < typename IntegerType, typename... Args >
constexpr IntegerType gcd( IntegerType const &a, IntegerType const &b, Args const&... );
template < typename IntegerType, typename... Args >
constexpr IntegerType lcm( IntegerType const &a, IntegerType const &b, Args const&... );
template <typename I>
std::pair<typename std::iterator_traits<I>::value_type, I>
gcd_range(I first, I last);
template <typename I>
std::pair<typename std::iterator_traits<I>::value_type, I>
lcm_range(I first, I last);
The boost::integer::gcd function template returns the greatest common
(nonnegative) divisor of the two integers passed to it.
`boost::integer::gcd_range` is the iteration of the above gcd algorithm over a
range, returning the greatest common divisor of all the elements. The algorithm
terminates when the gcd reaches unity or the end of the range. Thus it also
returns the iterator after the last element inspected because this may not be
equal to the end of the range. The variadic version of `gcd` behaves similarly
but does not indicate which input value caused the gcd to reach unity.
The boost::integer::lcm function template returns the least common
(nonnegative) multiple of the two integers passed to it.
As with gcd, there are range and variadic versions of the function for
more than 2 arguments.
Note that these functions are constexpr in C++14 and later only.
They are also declared `noexcept` when appropriate.
[endsect]
[section:compile_time Compile time GCD and LCM determination]
[note These functions are deprecated in favor of constexpr `gcd` and `lcm` on C++14 capable compilers.]
[*Header: ] [@../../../../boost/integer/common_factor_ct.hpp <boost/integer/common_factor_ct.hpp>]
typedef ``['unspecified]`` static_gcd_type;
template < static_gcd_type Value1, static_gcd_type Value2 >
struct boost::integer::static_gcd : public mpl::integral_c<static_gcd_type, implementation_defined>
{
};
template < static_gcd_type Value1, static_gcd_type Value2 >
struct boost::integer::static_lcm : public mpl::integral_c<static_gcd_type, implementation_defined>
{
};
The type `static_gcd_type` is the widest unsigned-integer-type that is supported
for use in integral-constant-expressions by the compiler. Usually this
the same type as `boost::uintmax_t`, but may fall back to being `unsigned long`
for some older compilers.
The boost::integer::static_gcd and boost::integer::static_lcm class templates
take two value-based template parameters of the ['static_gcd_type] type
and inherit from the type `boost::mpl::integral_c`.
Inherited from the base class, they have a member /value/
that is the greatest common factor or least
common multiple, respectively, of the template arguments.
A compile-time error will occur if the least common multiple
is beyond the range of `static_gcd_type`.
[h3 Example]
#include <boost/integer/common_factor.hpp>
#include <algorithm>
#include <iterator>
#include <iostream>
int main()
{
using std::cout;
using std::endl;
cout << "The GCD and LCM of 6 and 15 are "
<< boost::integer::gcd(6, 15) << " and "
<< boost::integer::lcm(6, 15) << ", respectively."
<< endl;
cout << "The GCD and LCM of 8 and 9 are "
<< boost::integer::static_gcd<8, 9>::value
<< " and "
<< boost::integer::static_lcm<8, 9>::value
<< ", respectively." << endl;
int a[] = { 4, 5, 6 }, b[] = { 7, 8, 9 }, c[3];
std::transform( a, a + 3, b, c, boost::integer::gcd_evaluator<int>() );
std::copy( c, c + 3, std::ostream_iterator<int>(cout, " ") );
}
[endsect]
[section:gcd_header Header <boost/integer/common_factor.hpp>]
This header simply includes the headers
[@../../../../boost/integer/common_factor_ct.hpp <boost/integer/common_factor_ct.hpp>]
and [@../../../../boost/integer/common_factor_rt.hpp <boost/integer/common_factor_rt.hpp>].
Note this is a legacy header: it used to contain the actual implementation,
but the compile-time and run-time facilities
were moved to separate headers (since they were independent of each other).
[endsect]
[section:demo Demonstration Program]
The program [@../../../../libs/integer/test/common_factor_test.cpp common_factor_test.cpp] is a demonstration of the results from
instantiating various examples of the run-time GCD and LCM function
templates and the compile-time GCD and LCM class templates.
(The run-time GCD and LCM class templates are tested indirectly through
the run-time function templates.)
[endsect]
[section Rationale]
The greatest common divisor and least common multiple functions are
greatly used in some numeric contexts, including some of the other
Boost libraries. Centralizing these functions to one header improves
code factoring and eases maintenance.
[endsect]
[section:gcd_history History]
* 24th April 2017 Moved to Jeremy Murphy's improved algorithms, added constexpr and noexcept support,
added compiler intrinsic support, added variadic and range based versions of the algorithms.
* 13 May 2013 Moved into main Boost.Math Quickbook documentation.
* 17 Dec 2005: Converted documentation to Quickbook Format.
* 2 Jul 2002: Compile-time and run-time items separated to new headers.
* 7 Nov 2001: Initial version
[endsect]
[section:gcd_credits Credits]
The author of the Boost compilation of GCD and LCM computations is
Daryle Walker. The code was prompted by existing code hiding in the
implementations of Paul Moore's rational library and Steve Cleary's
pool library. The code had updates by Helmut Zeisel.
[endsect]
[endsect]
[/
Copyright 2005, 2013 Daryle Walker.
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
https://www.boost.org/LICENSE_1_0.txt).
]

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@ -1,724 +0,0 @@
[article Boost.Integer
[quickbook 1.6]
[compatibility-mode 1.5]
[copyright 2001-2009 Beman Dawes, Daryle Walker, Gennaro Prota, John Maddock]
[license
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
[@https://www.boost.org/LICENSE_1_0.txt])
]
[authors [Dawes, Beman], [Walker, Daryle], [Prota, Gennaro], [Maddock, John]]
[/last-revision $Date: 2008-02-21 12:58:15 +0000 (Thu, 21 Feb 2008) $]
]
[template super[x]'''<superscript>'''[x]'''</superscript>''']
[section:overview Overview]
Boost.Integer provides integer type support, particularly helpful in generic programming.
It provides the means to select an integer type based upon its properties, like the number of bits or
the maximum supported value, as well as compile-time bit mask selection. There is a derivative of
std::numeric_limits that provides integral constant expressions for `min` and `max`.
Finally, it provides two compile-time algorithms: determining the highest power of two in a
compile-time value; and computing min and max of constant expressions.
[table
[[Component][Header][Purpose]]
[
[Forward Declarations.]
[[^[@../../../../boost/integer_fwd.hpp <boost/integer_fwd.hpp>]]]
[Forward declarations of classes and class templates - for use when just the name of a class is needed.]
]
[
[[link boost_integer.traits Integer Traits].]
[[^[@../../../../boost/integer_traits.hpp <boost/integer_traits.hpp>]]]
[Class template [^boost::integer_traits], derives from [^std::numeric_limits] and adds [^const_min] and [^const_max] members.]
]
[
[[link boost_integer.integer Integer Type Selection].]
[[^[@../../../../boost/integer.hpp <boost/integer.hpp>]]]
[Templates for integer type selection based on properties such as maximum value or number of bits:
Use to select the type of an integer when some property such as maximum value or number of bits is known.
Useful for generic programming. ]
]
[
[[link boost_integer.gcd_lcm Greatest Common Divisor and Least Common Multiple].]
[[^[@../../../../boost/integer/common_factor_rt.hpp <boost/integer/common_factor_rt.hpp>]] and [^[@../../../../boost/integer/common_factor_ct.hpp <boost/integer/common_factor_ct.hpp>]]]
[Functions `gcd` and `lcm` plus function objects and compile time versions.]
]
[
[[link boost_integer.mask Integer Masks].]
[[^[@../../../../boost/integer/integer_mask.hpp <boost/integer/integer_mask.hpp>]]]
[Templates for the selection of integer masks, single or lowest group, based on the number of bits:
Use to select a particular mask when the bit position(s) are based on a compile-time variable. Useful for generic programming. ]
]
[
[[link boost_integer.log2 Compile time log2 Calculation].]
[[^[@../../../../boost/integer/static_log2.hpp <boost/integer/static_log2.hpp>]]]
[Template for finding the highest power of two in a number:
Use to find the bit-size/range based on a maximum value. Useful for generic programming. ]
]
[
[[link boost_integer.minmax Compile time min/max calculation].]
[[^[@../../../../boost/integer/static_min_max.hpp <boost/integer/static_min_max.hpp>]]]
[Templates for finding the extrema of two numbers:
Use to find a bound based on a minimum or maximum value. Useful for generic programming. ]
]
[
[[link boost_integer.extended_euclidean Extended Euclidean algorithm].]
[[^[@../../../../boost/integer/extended_euclidean.hpp <boost/integer/extended_euclidean.hpp>]]]
[Solves /mx + ny = gcd(x,y)/ for /x/ and /y/.]
]
[
[[link boost_integer.mod_inverse Modular multiplicative inverse].]
[[^[@../../../../boost/integer/mod_inverse.hpp <boost/integer/mod_inverse.hpp>]]]
[Given /a/ and /m/, solves /ax/ = 1 mod /m/ for /x/.]
]
]
[endsect]
[section:traits Integer Traits]
[section Motivation]
The C++ Standard Library <limits> header supplies a class template `numeric_limits<>` with specializations for each fundamental type.
For integer types, the interesting members of `std::numeric_limits<>` are:
static const bool is_specialized; // Will be true for integer types.
static T min() throw(); // Smallest representable value.
static T max() throw(); // Largest representable value.
static const int digits; // For integers, the number of value bits.
static const int digits10; // The number of base 10 digits that can be represented.
static const bool is_signed; // True if the type is signed.
static const bool is_integer; // Will be true for all integer types.
For many uses, these are sufficient.
But min() and max() are problematical because they are not constant expressions (std::5.19),
yet some usages require constant expressions.
The template class [^integer_traits] addresses this problem.
[endsect]
[section Synopsis]
namespace boost {
template<class T>
class integer_traits : public std::numeric_limits<T>
{
public:
static const bool is_integral = false;
//
// These members are defined only if T is a built-in
// integal type:
//
static const T const_min = ``['implementation-defined]``;
static const T const_max = ``['implementation-defined]``;
};
}
[endsect]
[section Description]
Template class [^integer_traits] is derived from [^std::numeric_limits]. The primary specialization adds the single
[^bool] member [^is_integral] with the compile-time constant value [^false].
However, for all integral types [^T] (std::3.9.1/7 [basic.fundamental]), there are specializations
provided with the following compile-time constants defined:
[table
[[member][type][value]]
[[[^is_integral]][bool][[^true]]]
[[[^const_min]][[^T]][equivalent to [^std::numeric_limits<T>::min()]]]
[[[^const_max]][[^T]][equivalent to [^std::numeric_limits<T>::max()]]]
]
Note: The /is_integral/ flag is provided, because a user-defined integer class should specialize
[^std::numeric_limits<>::is_integer = true], while compile-time constants
[^const_min] and [^const_max] are not provided for that user-defined class, unless boost::integer_traits is also specialized.
[endsect]
[section Test Program]
The program [^[@../../test/integer_traits_test.cpp integer_traits_test.cpp]] exercises the [^integer_traits] class.
[endsect]
[section Acknowledgements]
Beman Dawes, Ed Brey, Steve Cleary, and Nathan Myers discussed the integer traits idea on the boost mailing list in August 1999.
[endsect]
[endsect]
[section:integer Integer Type Selection]
The [@../../../../boost/integer.hpp <boost/integer.hpp>] type selection templates allow
integer types to be selected based on desired characteristics such as number of bits or maximum value.
This facility is particularly useful for solving generic programming problems.
[section:synopsis Synopsis]
namespace boost
{
// fast integers from least integers
template<typename LeastInt>
struct int_fast_t
{
typedef ``['implementation-defined-type]`` type;
};
// signed
template<int Bits>
struct int_t
{
/* Member exact may or may not be defined depending upon Bits */
typedef ``['implementation-defined-type]`` exact;
typedef ``['implementation-defined-type]`` least;
typedef int_fast_t<least>::fast fast;
};
// unsigned
template<int Bits>
struct uint_t
{
/* Member exact may or may not be defined depending upon Bits */
typedef ``['implementation-defined-type]`` exact;
typedef ``['implementation-defined-type]`` least;
typedef int_fast_t<least>::fast fast;
};
// signed
template<long long MaxValue>
struct int_max_value_t
{
typedef ``['implementation-defined-type]`` least;
typedef int_fast_t<least>::fast fast;
};
template<long long MinValue>
struct int_min_value_t
{
typedef ``['implementation-defined-type]`` least;
typedef int_fast_t<least>::fast fast;
};
// unsigned
template<unsigned long long Value>
struct uint_value_t
{
typedef ``['implementation-defined-type]`` least;
typedef int_fast_t<least>::fast fast;
};
} // namespace boost
[endsect]
[section:easiest Easiest-to-Manipulate Types]
The [^int_fast_t] class template maps its input type to the next-largest type that the processor
can manipulate the easiest, or to itself if the input type is already an easy-to-manipulate type.
For instance, processing a bunch of [^char] objects may go faster if they were converted to [^int] objects before processing.
The input type, passed as the only template parameter, must be a built-in integral type, except [^bool].
Unsigned integral types can be used, as well as signed integral types.
The output type is given as the nested type [^fast].
[*Implementation Notes:]
By default, the output type is identical to the input type. Eventually, this code's implementation should
be customized for each platform to give accurate mappings between the built-in types and the easiest-to-manipulate
built-in types. Also, there is no guarantee that the output type actually is easier to manipulate than the input type.
[endsect]
[section:sized Sized Types]
The [^int_t], [^uint_t], [^int_max_value_t], [^int_min_value_t], and [^uint_value_t] class templates find
the most appropiate built-in integral type for the given template parameter. This type is given by the
nested type [^least]. The easiest-to-manipulate version of that type is given by the nested type [^fast].
The following table describes each template's criteria.
[table Criteria for the Sized Type Class Templates
[
[Class Template][Template Parameter Mapping]
]
[
[[^boost::int_t<N>::least]]
[The smallest, built-in, signed integral type with at least /N/ bits, including the sign bit.
The parameter should be a positive number. A compile-time error results if the parameter is
larger than the number of bits in the largest integer type.]
]
[
[[^boost::int_t<N>::fast]]
[The easiest-to-manipulate, built-in, signed integral type with at least /N/ bits, including the sign bit.
The parameter should be a positive number. A compile-time error results if the parameter is
larger than the number of bits in the largest integer type.]
]
[
[[^boost::int_t<N>::exact]]
[A built-in, signed integral type with exactly /N/ bits, including the sign bit.
The parameter should be a positive number. Note that the member /exact/ is defined
[*only] if there exists a type with exactly /N/ bits.]
]
[
[[^boost::uint_t<N>::least]]
[The smallest, built-in, unsigned integral type with at least /N/ bits.
The parameter should be a positive number. A compile-time error results if the
parameter is larger than the number of bits in the largest integer type.]
]
[
[[^boost::uint_t<N>::fast]]
[The easiest-to-manipulate, built-in, unsigned integral type with at least /N/ bits.
The parameter should be a positive number. A compile-time error results if the
parameter is larger than the number of bits in the largest integer type.]
]
[
[[^boost::uint_t<N>::exact]]
[A built-in, unsigned integral type with exactly /N/ bits.
The parameter should be a positive number. A compile-time error results if the
parameter is larger than the number of bits in the largest integer type.
Note that the member /exact/ is defined
[*only] if there exists a type with exactly N bits.]
]
[
[[^boost::int_max_value_t<V>::least]]
[The smallest, built-in, signed integral type that can hold all the values in the inclusive range ['0 - V].
The parameter should be a positive number.]
]
[
[[^boost::int_max_value_t<V>::fast]]
[The easiest-to-manipulate, built-in, signed integral type that can hold all the values in the inclusive range ['0 - V].
The parameter should be a positive number.]
]
[
[[^boost::int_min_value_t<V>::least]]
[The smallest, built-in, signed integral type that can hold all the values in the inclusive range ['V - 0].
The parameter should be a negative number.]
]
[
[[^boost::int_min_value_t<V>::fast]]
[The easiest-to-manipulate, built-in, signed integral type that can hold all the values in the inclusive range ['V - 0].
The parameter should be a negative number.]
]
[
[[^boost::uint_value_t<V>::least]]
[The smallest, built-in, unsigned integral type that can hold all positive values
up to and including /V/. The parameter should be a positive number.]
]
[
[[^boost::uint_value_t<V>::fast]]
[The easiest-to-manipulate, built-in, unsigned integral type that can hold all positive values
up to and including /V/. The parameter should be a positive number.]
]
]
[endsect]
[section Example]
#include <boost/integer.hpp>
//...
int main()
{
boost::int_t<24>::least my_var; // my_var has at least 24-bits
//...
// This one is guaranteed not to be truncated:
boost::int_max_value_t<1000>::least my1000 = 1000;
//...
// This one is guaranteed not to be truncated, and as fast
// to manipulate as possible, its size may be greater than
// that of my1000:
boost::int_max_value_t<1000>::fast my_fast1000 = 1000;
}
[endsect]
[section Demonstration Program]
The program [@../../test/integer_test.cpp integer_test.cpp] is a simplistic demonstration of the results from instantiating
various examples of the sized type class templates.
[endsect]
[section Rationale]
The rationale for the design of the templates in this header includes:
* Avoid recursion because of concern about C++'s limited guaranteed recursion depth (17).
* Avoid macros on general principles.
* Try to keep the design as simple as possible.
[endsect]
[section Alternative]
If the number of bits required is known beforehand, it may be more appropriate to use the types supplied
in [@../../../../boost/cstdint.hpp <boost/cstdint.hpp>].
[endsect]
[section Credits]
The author of most of the Boost integer type choosing templates is
[@https://www.boost.org/people/beman_dawes.html Beman Dawes].
He gives thanks to Valentin Bonnard and [@https://www.boost.org/people/kevlin_henney.htm Kevlin Henney]
for sharing their designs for similar templates.
[@https://www.boost.org/people/daryle_walker.html Daryle Walker] designed the value-based sized templates.
[endsect]
[endsect]
[include gcd/math-gcd.qbk]
[include modular_arithmetic/extended_euclidean.qbk]
[include modular_arithmetic/mod_inverse.qbk]
[section:mask Integer Masks]
[section Overview]
The class templates in [@../../../../boost/integer/integer_mask.hpp <boost/integer/integer_mask.hpp>]
provide bit masks for a certain bit position or a contiguous-bit pack of a certain size.
The types of the masking constants come from the [link boost_integer.integer integer type selection templates] header.
[endsect]
[section Synopsis]
#include <cstddef> // for std::size_t
namespace boost
{
template <std::size_t Bit>
struct high_bit_mask_t
{
typedef ``['implementation-defined-type]`` least;
typedef ``['implementation-defined-type]`` fast;
static const least high_bit = ``['implementation-defined]``;
static const fast high_bit_fast = ``['implementation-defined]``;
static const std::size_t bit_position = Bit;
};
template <std::size_t Bits>
struct low_bits_mask_t
{
typedef ``['implementation-defined-type]`` least;
typedef ``['implementation-defined-type]`` fast;
static const least sig_bits = ``['implementation-defined]``;
static const fast sig_bits_fast = ``['implementation-defined]``;
static const std::size_t bit_count = Bits;
};
// Specializations for low_bits_mask_t exist for certain bit counts.
} // namespace boost
[endsect]
[section Single Bit-Mask Class Template]
The [^boost::high_bit_mask_t] class template provides constants for bit masks representing the bit at a
certain position. The masks are equivalent to the value 2[super Bit], where [^Bit] is the template parameter.
The bit position must be a nonnegative number from zero to ['Max], where Max is one less than the
number of bits supported by the largest unsigned built-in integral type. The following table describes
the members of an instantiation of [^high_bit_mask_t].
[table Members of the `boost::high_bit_mask_t` Class Template
[[Member][Meaning]]
[[[^least]][The smallest, unsigned, built-in type that supports the given bit position.]]
[[[^fast]][The easiest-to-manipulate analog of [^least].]]
[[[^high_bit]][A [^least] constant of the value 2[super Bit].]]
[[[^high_bit_fast]][A [^fast] analog of [^high_bit].]]
[[[^bit_position]][The value of the template parameter, in case its needed from a renamed instantiation of the class template.]]
]
[endsect]
[section Group Bit-Mask Class Template]
The [^boost::low_bits_mask_t] class template provides constants for bit masks
equivalent to the value (2[super Bits] - 1), where [^Bits] is the template parameter.
The parameter [^Bits] must be a non-negative integer from
zero to ['Max], where Max is the number of bits supported by the largest, unsigned, built-in integral type.
The following table describes the members of [^low_bits_mask_t].
[table Members of the [^boost::low_bits_mask_t] Class Template
[[Member][Meaning]]
[[[^least]][The smallest, unsigned built-in type that supports the given bit count.]]
[[[^fast]][The easiest-to-manipulate analog of [^least].]]
[[[^sig_bits]][A [^least] constant of the desired bit-masking value.]]
[[[^sig_bits_fast]][A [^fast] analog of [^sig_bits].]]
[[[^bit_count]][The value of the template parameter, in case its needed from a renamed instantiation of the class template.]]
]
[endsect]
[section Implementation Notes]
When [^Bits] is the exact size of a built-in unsigned type, the implementation has to change to
prevent undefined behavior. Therefore, there are specializations of [^low_bits_mask_t] at those bit counts.
[endsect]
[section Example]
#include <boost/integer/integer_mask.hpp>
//...
int main()
{
typedef boost::high_bit_mask_t<29> mask1_type;
typedef boost::low_bits_mask_t<15> mask2_type;
mask1_type::least my_var1;
mask2_type::fast my_var2;
//...
my_var1 |= mask1_type::high_bit;
my_var2 &= mask2_type::sig_bits_fast;
//...
}
[endsect]
[section Demonstration Program]
The program [@../../test/integer_mask_test.cpp integer_mask_test.cpp] is a simplistic demonstration of the
results from instantiating various examples of the bit mask class templates.
[endsect]
[section Rationale]
The class templates in this header are an extension of the [link boost_integer.integer integer type selection class templates].
The new class templates provide the same sized types, but also convenient masks to use when extracting the
highest or all the significant bits when the containing built-in type contains more bits.
This prevents contamination of values by the higher, unused bits.
[endsect]
[section Credits]
The author of the Boost bit mask class templates is [@https://www.boost.org/people/daryle_walker.html Daryle Walker].
[endsect]
[endsect]
[section:log2 Compile Time log2 Calculation]
The class template in [@../../../../boost/integer/static_log2.hpp <boost/integer/static_log2.hpp>]
determines the position of the highest bit in a given value. This facility is useful for solving generic programming problems.
[section Synopsis]
namespace boost
{
typedef ``['implementation-defined]`` static_log2_argument_type;
typedef ``['implementation-defined]`` static_log2_result_type;
template <static_log2_argument_type arg>
struct static_log2
{
static const static_log2_result_type value = ``['implementation-defined]``;
};
template < >
struct static_log2< 0 >
{
// The logarithm of zero is undefined.
};
} // namespace boost
[endsect]
[section Usage]
The [^boost::static_log2] class template takes one template parameter, a value of type
[^static_log2_argument_type]. The template only defines one member, [^value], which gives the
truncated, base-two logarithm of the template argument.
Since the logarithm of zero, for any base, is undefined, there is a specialization of [^static_log2]
for a template argument of zero. This specialization has no members, so an attempt to use the base-two
logarithm of zero results in a compile-time error.
Note:
* [^static_log2_argument_type] is an ['unsigned integer type] (C++ standard, 3.9.1p3).
* [^static_log2_result_type] is an ['integer type] (C++ standard, 3.9.1p7).
[endsect]
[section Demonstration Program]
The program [@../../test/static_log2_test.cpp static_log2_test.cpp] is a simplistic
demonstration of the results from instantiating various examples of the binary logarithm class template.
[endsect]
[section Rationale]
The base-two (binary) logarithm, abbreviated lb, function is occasionally used to give order-estimates
of computer algorithms. The truncated logarithm can be considered the highest power-of-two in a value,
which corresponds to the value's highest set bit (for binary integers). Sometimes the highest-bit position
could be used in generic programming, which requires the position to be available statically (['i.e.] at compile-time).
[endsect]
[section Credits]
The original version of the Boost binary logarithm class template was
written by [@https://www.boost.org/people/daryle_walker.html Daryle Walker] and then
enhanced by Giovanni Bajo with support for compilers without partial template specialization.
The current version was suggested, together with a reference implementation, by Vesa Karvonen.
Gennaro Prota wrote the actual source file.
[endsect]
[endsect]
[section:minmax Compile time min/max calculation]
The class templates in [@../../../../boost/integer/static_min_max.hpp <boost/integer/static_min_max.hpp>]
provide a compile-time evaluation of the minimum or maximum of two integers. These facilities are useful
for generic programming problems.
[section Synopsis]
namespace boost
{
typedef ``['implementation-defined]`` static_min_max_signed_type;
typedef ``['implementation-defined]`` static_min_max_unsigned_type;
template <static_min_max_signed_type Value1, static_min_max_signed_type Value2 >
struct static_signed_min;
template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
struct static_signed_max;
template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
struct static_unsigned_min;
template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
struct static_unsigned_max;
}
[endsect]
[section Usage]
The four class templates provide the combinations for finding the minimum or maximum of two [^signed] or
[^unsigned] ([^long]) parameters, /Value1/ and /Value2/, at compile-time. Each template has a single static data member,
[^value], which is set to the respective minimum or maximum of the template's parameters.
[endsect]
[section Example]
#include <boost/integer/static_min_max.hpp>
template < unsigned long AddendSize1, unsigned long AddendSize2 >
class adder
{
public:
static unsigned long const addend1_size = AddendSize1;
static unsigned long const addend2_size = AddendSize2;
static unsigned long const sum_size = boost::static_unsigned_max<AddendSize1, AddendSize2>::value + 1;
typedef int addend1_type[ addend1_size ];
typedef int addend2_type[ addend2_size ];
typedef int sum_type[ sum_size ];
void operator ()( addend1_type const &a1, addend2_type const &a2, sum_type &s ) const;
};
//...
int main()
{
int const a1[] = { 0, 4, 3 }; // 340
int const a2[] = { 9, 8 }; // 89
int s[ 4 ];
adder<3,2> obj;
obj( a1, a2, s ); // 's' should be 429 or { 9, 2, 4, 0 }
//...
}
[endsect]
[section Demonstration Program]
The program [@../../test/static_min_max_test.cpp static_min_max_test.cpp] is a simplistic demonstration of
various comparisons using the compile-time extrema class templates.
[endsect]
[section Rationale]
Sometimes the minimum or maximum of several values needs to be found for later compile-time processing,
['e.g.] for a bound for another class template.
[endsect]
[section Credits]
The author of the Boost compile-time extrema class templates is [@https://www.boost.org/people/daryle_walker.html Daryle Walker].
[endsect]
[endsect]
[section:history History]
[h4 1.56.0]
* Moved `<boost/cstdint.hpp>` into [@boost:/libs/config/index.html
Boost.Config].
[h4 1.42.0]
* Reverted Trunk to release branch state (i.e. a "known good state").
* Fixed issues: [@https://svn.boost.org/trac/boost/ticket/653 653],
[@https://svn.boost.org/trac/boost/ticket/3084 3084],
[@https://svn.boost.org/trac/boost/ticket/3177 3177],
[@https://svn.boost.org/trac/boost/ticket/3180 3180],
[@https://svn.boost.org/trac/boost/ticket/3548 3568],
[@https://svn.boost.org/trac/boost/ticket/3657 3657],
[@https://svn.boost.org/trac/boost/ticket/2134 2134].
* Added long long support to [^boost::static_log2], [^boost::static_signed_min], [^boost::static_signed_max],
[^boost::static_unsigned_min][^boost::static_unsigned_max], when available.
* The argument type and the result type of [^boost::static_signed_min] etc are now typedef'd.
Formerly, they were hardcoded as [^unsigned long] and [^int] respectively. Please, use the
provided typedefs in new code (and update old code as soon as possible).
[h4 1.32.0]
* The argument type and the result type of [^boost::static_log2] are now typedef'd.
Formerly, they were hardcoded as [^unsigned long] and [^int] respectively. Please, use the
provided typedefs in new code (and update old code as soon as possible).
[endsect]
[section:cstdint Removed from library: Standard Integer Types]
The [@boost:/libs/config/doc/html/boost_config/cstdint.html Boost.Config] module provides
the typedefs useful for writing portable code that requires certain
integer widths.
[endsect]

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@ -1,53 +0,0 @@
[section:extended_euclidean Extended Euclidean Algorithm]
[section Introduction]
The extended Euclidean algorithm solves the integer relation /mx + ny/ = gcd(/m/, /n/) for /x/ and /y/.
[endsect]
[section Synopsis]
#include <boost/integer/extended_euclidean.hpp>
namespace boost { namespace integer {
template<class Z>
struct euclidean_result_t {
Z gcd;
Z x;
Z y;
};
template<class Z>
euclidean_result_t<Z> extended_euclidean(Z m, Z n);
}}
[endsect]
[section Usage]
int m = 12;
int n = 15;
auto res = extended_euclidean(m, n);
int gcd = res.gcd;
int x = res.x;
int y = res.y;
// mx + ny = gcd(m,n) should now hold
[endsect]
[section References]
Wagstaff, Samuel S., ['The Joy of Factoring], Vol. 68. American Mathematical Soc., 2013.
[endsect]
[endsect]
[/
Copyright 2018 Nick Thompson.
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
https://www.boost.org/LICENSE_1_0.txt).
]

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@ -1,50 +0,0 @@
[section:mod_inverse Modular Multiplicative Inverse]
[section Introduction]
The modular multiplicative inverse of a number /a/ is that number /x/ which satisfies /ax/ = 1 mod /p/.
A fast algorithm for computing modular multiplicative inverses based on the extended Euclidean algorithm exists and is provided by Boost.
[endsect]
[section Synopsis]
#include <boost/integer/mod_inverse.hpp>
namespace boost { namespace integer {
template<class Z>
Z mod_inverse(Z a, Z m);
}}
[endsect]
[section Usage]
int x = mod_inverse(2, 5);
// prints x = 3:
std::cout << "x = " << x << "\n";
int y = mod_inverse(2, 4);
if (y == 0)
{
std::cout << "There is no inverse of 2 mod 4\n";
}
Multiplicative modular inverses exist if and only if /a/ and /m/ are coprime.
If /a/ and /m/ share a common factor, then `mod_inverse(a, m)` returns zero.
[endsect]
[section References]
Wagstaff, Samuel S., ['The Joy of Factoring], Vol. 68. American Mathematical Soc., 2013.
[endsect]
[endsect]
[/
Copyright 2018 Nick Thompson.
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
https://www.boost.org/LICENSE_1_0.txt).
]

63
include/boost/cstdint.hpp Normal file
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@ -0,0 +1,63 @@
// boost cstdint.hpp header file -------------------------------------------//
// (C) Copyright boost.org 1999. Permission to copy, use, modify, sell
// and distribute this software is granted provided this copyright
// notice appears in all copies. This software is provided "as is" without
// express or implied warranty, and with no claim as to its suitability for
// any purpose.
// See http://www.boost.org for most recent version including documentation.
// Revision History
// 29 Jun 00 Reimplement to avoid including stdint.h within namespace boost
// 8 Aug 99 Initial version
#ifndef BOOST_CSTDINT_HPP
#define BOOST_CSTDINT_HPP
#include <limits.h> // implementation artifact; not part of interface
#include <boost/stdint.h>
namespace boost
{
using ::int8_t;
using ::int_least8_t;
using ::int_fast8_t;
using ::uint8_t;
using ::uint_least8_t;
using ::uint_fast8_t;
using ::int16_t;
using ::int_least16_t;
using ::int_fast16_t;
using ::uint16_t;
using ::uint_least16_t;
using ::uint_fast16_t;
using ::int32_t;
using ::int_least32_t;
using ::int_fast32_t;
using ::uint32_t;
using ::uint_least32_t;
using ::uint_fast32_t;
# ifdef ULLONG_MAX
using ::int64_t;
using ::int_least64_t;
using ::int_fast64_t;
using ::uint64_t;
using ::uint_least64_t;
using ::uint_fast64_t;
# endif
using ::intmax_t;
using ::uintmax_t;
} // namespace boost
#endif

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@ -1,38 +1,21 @@
// boost integer.hpp header file -------------------------------------------//
// Copyright Beman Dawes and Daryle Walker 1999. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
// (C) Copyright Beman Dawes 1999. Permission to copy, use, modify, sell
// and distribute this software is granted provided this copyright
// notice appears in all copies. This software is provided "as is" without
// express or implied warranty, and with no claim as to its suitability for
// any purpose.
// See https://www.boost.org/libs/integer for documentation.
// See http://www.boost.org for most recent version including documentation.
// Revision History
// 22 Sep 01 Added value-based integer templates. (Daryle Walker)
// 01 Apr 01 Modified to use new <boost/limits.hpp> header. (John Maddock)
// 30 Jul 00 Add typename syntax fix (Jens Maurer)
// 30 Jul 00 Add typename syntax fix (Jens Maurer)
// 28 Aug 99 Initial version
#ifndef BOOST_INTEGER_HPP
#define BOOST_INTEGER_HPP
#include <boost/integer_fwd.hpp> // self include
#include <boost/integer_traits.hpp> // for boost::::boost::integer_traits
#include <boost/limits.hpp> // for ::std::numeric_limits
#include <boost/cstdint.hpp> // for boost::int64_t and BOOST_NO_INTEGRAL_INT64_T
#include <boost/static_assert.hpp>
//
// We simply cannot include this header on gcc without getting copious warnings of the kind:
//
// boost/integer.hpp:77:30: warning: use of C99 long long integer constant
//
// And yet there is no other reasonable implementation, so we declare this a system header
// to suppress these warnings.
//
#if defined(__GNUC__) && (__GNUC__ >= 4)
#pragma GCC system_header
#endif
#include <limits>
namespace boost
{
@ -40,223 +23,59 @@ namespace boost
// Helper templates ------------------------------------------------------//
// fast integers from least integers
// int_fast_t<> works correctly for unsigned too, in spite of the name.
template< typename LeastInt >
struct int_fast_t
{
typedef LeastInt fast;
typedef fast type;
}; // imps may specialize
struct int_fast_t { typedef LeastInt fast; }; // imps may specialize
namespace detail{
// convert category to type
// convert category to type
template< int Category > struct int_least_helper {}; // default is empty
template< int Category > struct uint_least_helper {}; // default is empty
// specializatons: 1=long, 2=int, 3=short, 4=signed char,
// 6=unsigned long, 7=unsigned int, 8=unsigned short, 9=unsigned char
// no specializations for 0 and 5: requests for a type > long are in error
#ifdef BOOST_HAS_LONG_LONG
template<> struct int_least_helper<1> { typedef boost::long_long_type least; };
#elif defined(BOOST_HAS_MS_INT64)
template<> struct int_least_helper<1> { typedef __int64 least; };
#endif
template<> struct int_least_helper<2> { typedef long least; };
template<> struct int_least_helper<3> { typedef int least; };
template<> struct int_least_helper<4> { typedef short least; };
template<> struct int_least_helper<5> { typedef signed char least; };
#ifdef BOOST_HAS_LONG_LONG
template<> struct uint_least_helper<1> { typedef boost::ulong_long_type least; };
#elif defined(BOOST_HAS_MS_INT64)
template<> struct uint_least_helper<1> { typedef unsigned __int64 least; };
#endif
template<> struct uint_least_helper<2> { typedef unsigned long least; };
template<> struct uint_least_helper<3> { typedef unsigned int least; };
template<> struct uint_least_helper<4> { typedef unsigned short least; };
template<> struct uint_least_helper<5> { typedef unsigned char least; };
template <int Bits>
struct exact_signed_base_helper{};
template <int Bits>
struct exact_unsigned_base_helper{};
template <> struct exact_signed_base_helper<sizeof(signed char)* CHAR_BIT> { typedef signed char exact; };
template <> struct exact_unsigned_base_helper<sizeof(unsigned char)* CHAR_BIT> { typedef unsigned char exact; };
#if USHRT_MAX != UCHAR_MAX
template <> struct exact_signed_base_helper<sizeof(short)* CHAR_BIT> { typedef short exact; };
template <> struct exact_unsigned_base_helper<sizeof(unsigned short)* CHAR_BIT> { typedef unsigned short exact; };
#endif
#if UINT_MAX != USHRT_MAX
template <> struct exact_signed_base_helper<sizeof(int)* CHAR_BIT> { typedef int exact; };
template <> struct exact_unsigned_base_helper<sizeof(unsigned int)* CHAR_BIT> { typedef unsigned int exact; };
#endif
#if ULONG_MAX != UINT_MAX && ( !defined __TI_COMPILER_VERSION__ || \
( __TI_COMPILER_VERSION__ >= 7000000 && !defined __TI_40BIT_LONG__ ) )
template <> struct exact_signed_base_helper<sizeof(long)* CHAR_BIT> { typedef long exact; };
template <> struct exact_unsigned_base_helper<sizeof(unsigned long)* CHAR_BIT> { typedef unsigned long exact; };
#endif
#if defined(BOOST_HAS_LONG_LONG) &&\
((defined(ULLONG_MAX) && (ULLONG_MAX != ULONG_MAX)) ||\
(defined(ULONG_LONG_MAX) && (ULONG_LONG_MAX != ULONG_MAX)) ||\
(defined(ULONGLONG_MAX) && (ULONGLONG_MAX != ULONG_MAX)) ||\
(defined(_ULLONG_MAX) && (_ULLONG_MAX != ULONG_MAX)))
template <> struct exact_signed_base_helper<sizeof(boost::long_long_type)* CHAR_BIT> { typedef boost::long_long_type exact; };
template <> struct exact_unsigned_base_helper<sizeof(boost::ulong_long_type)* CHAR_BIT> { typedef boost::ulong_long_type exact; };
#endif
} // namespace detail
// 6=unsigned long, 7=unsigned int, 8=unsigned short, 9=unsigned long
template<> struct int_least_helper<1> { typedef long least; };
template<> struct int_least_helper<2> { typedef int least; };
template<> struct int_least_helper<3> { typedef short least; };
template<> struct int_least_helper<4> { typedef signed char least; };
template<> struct int_least_helper<6> { typedef unsigned long least; };
template<> struct int_least_helper<7> { typedef unsigned int least; };
template<> struct int_least_helper<8> { typedef unsigned short least; };
template<> struct int_least_helper<9> { typedef unsigned char least; };
// integer templates specifying number of bits ---------------------------//
// signed
template< int Bits > // bits (including sign) required
struct int_t : public boost::detail::exact_signed_base_helper<Bits>
struct int_t
{
BOOST_STATIC_ASSERT_MSG(Bits <= (int)(sizeof(boost::intmax_t) * CHAR_BIT),
"No suitable signed integer type with the requested number of bits is available.");
typedef typename boost::detail::int_least_helper
typedef typename int_least_helper
<
#ifdef BOOST_HAS_LONG_LONG
(Bits <= (int)(sizeof(boost::long_long_type) * CHAR_BIT)) +
#else
1 +
#endif
(Bits-1 <= ::std::numeric_limits<long>::digits) +
(Bits-1 <= ::std::numeric_limits<int>::digits) +
(Bits-1 <= ::std::numeric_limits<short>::digits) +
(Bits-1 <= ::std::numeric_limits<signed char>::digits)
(Bits-1 <= std::numeric_limits<long>::digits) +
(Bits-1 <= std::numeric_limits<int>::digits) +
(Bits-1 <= std::numeric_limits<short>::digits) +
(Bits-1 <= std::numeric_limits<signed char>::digits)
>::least least;
typedef typename int_fast_t<least>::type fast;
typedef int_fast_t<least>::fast fast;
};
// unsigned
template< int Bits > // bits required
struct uint_t : public boost::detail::exact_unsigned_base_helper<Bits>
struct uint_t
{
BOOST_STATIC_ASSERT_MSG(Bits <= (int)(sizeof(boost::uintmax_t) * CHAR_BIT),
"No suitable unsigned integer type with the requested number of bits is available.");
#if (defined(BOOST_BORLANDC) || defined(__CODEGEAR__)) && defined(BOOST_NO_INTEGRAL_INT64_T)
// It's really not clear why this workaround should be needed... shrug I guess! JM
BOOST_STATIC_CONSTANT(int, s =
6 +
(Bits <= ::std::numeric_limits<unsigned long>::digits) +
(Bits <= ::std::numeric_limits<unsigned int>::digits) +
(Bits <= ::std::numeric_limits<unsigned short>::digits) +
(Bits <= ::std::numeric_limits<unsigned char>::digits));
typedef typename detail::int_least_helper< ::boost::uint_t<Bits>::s>::least least;
#else
typedef typename boost::detail::uint_least_helper
<
#ifdef BOOST_HAS_LONG_LONG
(Bits <= (int)(sizeof(boost::long_long_type) * CHAR_BIT)) +
#else
1 +
#endif
(Bits <= ::std::numeric_limits<unsigned long>::digits) +
(Bits <= ::std::numeric_limits<unsigned int>::digits) +
(Bits <= ::std::numeric_limits<unsigned short>::digits) +
(Bits <= ::std::numeric_limits<unsigned char>::digits)
typedef typename int_least_helper
<
5 +
(Bits <= std::numeric_limits<unsigned long>::digits) +
(Bits <= std::numeric_limits<unsigned int>::digits) +
(Bits <= std::numeric_limits<unsigned short>::digits) +
(Bits <= std::numeric_limits<unsigned char>::digits)
>::least least;
#endif
typedef typename int_fast_t<least>::type fast;
// int_fast_t<> works correctly for unsigned too, in spite of the name.
typedef int_fast_t<least>::fast fast;
};
// integer templates specifying extreme value ----------------------------//
// signed
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_LONG_LONG)
template< boost::long_long_type MaxValue > // maximum value to require support
#else
template< long MaxValue > // maximum value to require support
#endif
struct int_max_value_t
{
typedef typename boost::detail::int_least_helper
<
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_LONG_LONG)
(MaxValue <= ::boost::integer_traits<boost::long_long_type>::const_max) +
#else
1 +
#endif
(MaxValue <= ::boost::integer_traits<long>::const_max) +
(MaxValue <= ::boost::integer_traits<int>::const_max) +
(MaxValue <= ::boost::integer_traits<short>::const_max) +
(MaxValue <= ::boost::integer_traits<signed char>::const_max)
>::least least;
typedef typename int_fast_t<least>::type fast;
};
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_LONG_LONG)
template< boost::long_long_type MinValue > // minimum value to require support
#else
template< long MinValue > // minimum value to require support
#endif
struct int_min_value_t
{
typedef typename boost::detail::int_least_helper
<
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_LONG_LONG)
(MinValue >= ::boost::integer_traits<boost::long_long_type>::const_min) +
#else
1 +
#endif
(MinValue >= ::boost::integer_traits<long>::const_min) +
(MinValue >= ::boost::integer_traits<int>::const_min) +
(MinValue >= ::boost::integer_traits<short>::const_min) +
(MinValue >= ::boost::integer_traits<signed char>::const_min)
>::least least;
typedef typename int_fast_t<least>::type fast;
};
// unsigned
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
template< boost::ulong_long_type MaxValue > // minimum value to require support
#else
template< unsigned long MaxValue > // minimum value to require support
#endif
struct uint_value_t
{
#if (defined(BOOST_BORLANDC) || defined(__CODEGEAR__))
// It's really not clear why this workaround should be needed... shrug I guess! JM
#if defined(BOOST_NO_INTEGRAL_INT64_T)
BOOST_STATIC_CONSTANT(unsigned, which =
1 +
(MaxValue <= ::boost::integer_traits<unsigned long>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned int>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned short>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned char>::const_max));
typedef typename detail::int_least_helper< ::boost::uint_value_t<MaxValue>::which>::least least;
#else // BOOST_NO_INTEGRAL_INT64_T
BOOST_STATIC_CONSTANT(unsigned, which =
1 +
(MaxValue <= ::boost::integer_traits<boost::ulong_long_type>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned long>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned int>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned short>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned char>::const_max));
typedef typename detail::uint_least_helper< ::boost::uint_value_t<MaxValue>::which>::least least;
#endif // BOOST_NO_INTEGRAL_INT64_T
#else
typedef typename boost::detail::uint_least_helper
<
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
(MaxValue <= ::boost::integer_traits<boost::ulong_long_type>::const_max) +
#else
1 +
#endif
(MaxValue <= ::boost::integer_traits<unsigned long>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned int>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned short>::const_max) +
(MaxValue <= ::boost::integer_traits<unsigned char>::const_max)
>::least least;
#endif
typedef typename int_fast_t<least>::type fast;
};
// The same dispatching technique can be used to select types based on
// values. That will be added once boost::integer_traits is available.
} // namespace boost
#endif // BOOST_INTEGER_HPP

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@ -1,16 +0,0 @@
// Boost common_factor.hpp header file -------------------------------------//
// (C) Copyright Daryle Walker 2001-2002.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_INTEGER_COMMON_FACTOR_HPP
#define BOOST_INTEGER_COMMON_FACTOR_HPP
#include <boost/integer/common_factor_ct.hpp>
#include <boost/integer/common_factor_rt.hpp>
#endif // BOOST_INTEGER_COMMON_FACTOR_HPP

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@ -1,102 +0,0 @@
// Boost common_factor_ct.hpp header file ----------------------------------//
// (C) Copyright Daryle Walker and Stephen Cleary 2001-2002.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_INTEGER_COMMON_FACTOR_CT_HPP
#define BOOST_INTEGER_COMMON_FACTOR_CT_HPP
#include <boost/integer_fwd.hpp> // self include
#include <boost/config.hpp> // for BOOST_STATIC_CONSTANT, etc.
namespace boost
{
namespace integer
{
// Implementation details --------------------------------------------------//
namespace detail
{
// Build GCD with Euclid's recursive algorithm
template < static_gcd_type Value1, static_gcd_type Value2 >
struct static_gcd_helper_t
{
private:
BOOST_STATIC_CONSTANT( static_gcd_type, new_value1 = Value2 );
BOOST_STATIC_CONSTANT( static_gcd_type, new_value2 = Value1 % Value2 );
#ifndef BOOST_BORLANDC
#define BOOST_DETAIL_GCD_HELPER_VAL(Value) static_cast<static_gcd_type>(Value)
#else
typedef static_gcd_helper_t self_type;
#define BOOST_DETAIL_GCD_HELPER_VAL(Value) (self_type:: Value )
#endif
typedef static_gcd_helper_t< BOOST_DETAIL_GCD_HELPER_VAL(new_value1),
BOOST_DETAIL_GCD_HELPER_VAL(new_value2) > next_step_type;
#undef BOOST_DETAIL_GCD_HELPER_VAL
public:
BOOST_STATIC_CONSTANT( static_gcd_type, value = next_step_type::value );
};
// Non-recursive case
template < static_gcd_type Value1 >
struct static_gcd_helper_t< Value1, 0UL >
{
BOOST_STATIC_CONSTANT( static_gcd_type, value = Value1 );
};
// Build the LCM from the GCD
template < static_gcd_type Value1, static_gcd_type Value2 >
struct static_lcm_helper_t
{
typedef static_gcd_helper_t<Value1, Value2> gcd_type;
BOOST_STATIC_CONSTANT( static_gcd_type, value = Value1 / gcd_type::value
* Value2 );
};
// Special case for zero-GCD values
template < >
struct static_lcm_helper_t< 0UL, 0UL >
{
BOOST_STATIC_CONSTANT( static_gcd_type, value = 0UL );
};
} // namespace detail
// Compile-time greatest common divisor evaluator class declaration --------//
template < static_gcd_type Value1, static_gcd_type Value2 > struct static_gcd
{
BOOST_STATIC_CONSTANT( static_gcd_type, value = (detail::static_gcd_helper_t<Value1, Value2>::value) );
}; // boost::integer::static_gcd
#if !defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION)
template< static_gcd_type Value1, static_gcd_type Value2 > static_gcd_type const static_gcd< Value1, Value2 >::value;
#endif
// Compile-time least common multiple evaluator class declaration ----------//
template < static_gcd_type Value1, static_gcd_type Value2 > struct static_lcm
{
BOOST_STATIC_CONSTANT( static_gcd_type, value = (detail::static_lcm_helper_t<Value1, Value2>::value) );
}; // boost::integer::static_lcm
#if !defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION)
template< static_gcd_type Value1, static_gcd_type Value2 > static_gcd_type const static_lcm< Value1, Value2 >::value;
#endif
} // namespace integer
} // namespace boost
#endif // BOOST_INTEGER_COMMON_FACTOR_CT_HPP

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@ -1,580 +0,0 @@
// (C) Copyright Jeremy William Murphy 2016.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_INTEGER_COMMON_FACTOR_RT_HPP
#define BOOST_INTEGER_COMMON_FACTOR_RT_HPP
#include <boost/assert.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/config.hpp> // for BOOST_NESTED_TEMPLATE, etc.
#include <boost/limits.hpp> // for std::numeric_limits
#include <climits> // for CHAR_MIN
#include <boost/detail/workaround.hpp>
#include <iterator>
#include <algorithm>
#include <limits>
#ifndef BOOST_NO_CXX11_HDR_TYPE_TRAITS
#include <type_traits>
#endif
#ifdef BOOST_NO_CXX11_HDR_FUNCTIONAL
#include <functional>
#endif
#if ((defined(BOOST_MSVC) && (BOOST_MSVC >= 1600)) || (defined(__clang__) && defined(__c2__)) || (defined(BOOST_INTEL) && defined(_MSC_VER))) && (defined(_M_IX86) || defined(_M_X64))
#include <intrin.h>
#endif
#ifdef BOOST_MSVC
#pragma warning(push)
#pragma warning(disable:4127 4244) // Conditional expression is constant
#endif
#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) && !defined(BOOST_NO_CXX11_NOEXCEPT)
#define BOOST_GCD_NOEXCEPT(T) noexcept(std::is_arithmetic<T>::value)
#else
#define BOOST_GCD_NOEXCEPT(T)
#endif
namespace boost {
template <class I>
class rational;
namespace integer {
namespace gcd_detail{
//
// some helper functions which really should be constexpr already, but sadly aren't:
//
#ifndef BOOST_NO_CXX14_CONSTEXPR
template <class T>
inline constexpr T constexpr_min(T const& a, T const& b) BOOST_GCD_NOEXCEPT(T)
{
return a < b ? a : b;
}
template <class T>
inline constexpr auto constexpr_swap(T&a, T& b) BOOST_GCD_NOEXCEPT(T) -> decltype(a.swap(b))
{
return a.swap(b);
}
template <class T, class U>
inline constexpr void constexpr_swap(T&a, U& b...) BOOST_GCD_NOEXCEPT(T)
{
T t(static_cast<T&&>(a));
a = static_cast<T&&>(b);
b = static_cast<T&&>(t);
}
#else
template <class T>
inline T constexpr_min(T const& a, T const& b) BOOST_GCD_NOEXCEPT(T)
{
return a < b ? a : b;
}
template <class T>
inline void constexpr_swap(T&a, T& b) BOOST_GCD_NOEXCEPT(T)
{
using std::swap;
swap(a, b);
}
#endif
template <class T, bool a =
#ifndef BOOST_NO_CXX11_HDR_TYPE_TRAITS
std::is_unsigned<T>::value ||
#endif
(std::numeric_limits<T>::is_specialized && !std::numeric_limits<T>::is_signed)>
struct gcd_traits_abs_defaults
{
inline static BOOST_CXX14_CONSTEXPR const T& abs(const T& val) BOOST_GCD_NOEXCEPT(T) { return val; }
};
template <class T>
struct gcd_traits_abs_defaults<T, false>
{
inline static T BOOST_CXX14_CONSTEXPR abs(const T& val) BOOST_GCD_NOEXCEPT(T)
{
// This sucks, but std::abs is not constexpr :(
return val < T(0) ? -val : val;
}
};
enum method_type
{
method_euclid = 0,
method_binary = 1,
method_mixed = 2
};
struct any_convert
{
template <class T>
any_convert(const T&);
};
struct unlikely_size
{
char buf[9973];
};
unlikely_size operator <<= (any_convert, any_convert);
unlikely_size operator >>= (any_convert, any_convert);
template <class T>
struct gcd_traits_defaults : public gcd_traits_abs_defaults<T>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(T& val) BOOST_GCD_NOEXCEPT(T)
{
unsigned r = 0;
while (T(0) == (val & 1u))
{
#ifdef _MSC_VER // VC++ can't handle operator >>= in constexpr code for some reason
val = val >> 1;
#else
val >>= 1;
#endif
++r;
}
return r;
}
inline static BOOST_CXX14_CONSTEXPR bool less(const T& a, const T& b) BOOST_GCD_NOEXCEPT(T)
{
return a < b;
}
static T& get_value();
#ifndef BOOST_NO_SFINAE
static const bool has_operator_left_shift_equal = sizeof(get_value() <<= 2) != sizeof(unlikely_size);
static const bool has_operator_right_shift_equal = sizeof(get_value() >>= 2) != sizeof(unlikely_size);
#else
static const bool has_operator_left_shift_equal = true;
static const bool has_operator_right_shift_equal = true;
#endif
static const method_type method = std::numeric_limits<T>::is_specialized && std::numeric_limits<T>::is_integer && has_operator_left_shift_equal && has_operator_right_shift_equal ? method_mixed : method_euclid;
};
//
// Default gcd_traits just inherits from defaults:
//
template <class T>
struct gcd_traits : public gcd_traits_defaults<T> {};
//
// Some platforms have fast bitscan operations, that allow us to implement
// make_odd much more efficiently, unfortunately we can't use these if we want
// the functions to be constexpr as the compiler intrinsics aren't constexpr.
//
#if defined(BOOST_NO_CXX14_CONSTEXPR) && ((defined(BOOST_MSVC) && (BOOST_MSVC >= 1600)) || (defined(__clang__) && defined(__c2__)) || (defined(BOOST_INTEL) && defined(_MSC_VER))) && (defined(_M_IX86) || defined(_M_X64))
#pragma intrinsic(_BitScanForward,)
template <>
struct gcd_traits<unsigned long> : public gcd_traits_defaults<unsigned long>
{
BOOST_FORCEINLINE static unsigned find_lsb(unsigned long val) BOOST_NOEXCEPT
{
unsigned long result;
_BitScanForward(&result, val);
return result;
}
BOOST_FORCEINLINE static unsigned make_odd(unsigned long& val) BOOST_NOEXCEPT
{
unsigned result = find_lsb(val);
val >>= result;
return result;
}
};
#ifdef _M_X64
#pragma intrinsic(_BitScanForward64)
template <>
struct gcd_traits<unsigned __int64> : public gcd_traits_defaults<unsigned __int64>
{
BOOST_FORCEINLINE static unsigned find_lsb(unsigned __int64 mask) BOOST_NOEXCEPT
{
unsigned long result;
_BitScanForward64(&result, mask);
return result;
}
BOOST_FORCEINLINE static unsigned make_odd(unsigned __int64& val) BOOST_NOEXCEPT
{
unsigned result = find_lsb(val);
val >>= result;
return result;
}
};
#endif
//
// Other integer type are trivial adaptations of the above,
// this works for signed types too, as by the time these functions
// are called, all values are > 0.
//
template <> struct gcd_traits<long> : public gcd_traits_defaults<long>
{ BOOST_FORCEINLINE static unsigned make_odd(long& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
template <> struct gcd_traits<unsigned int> : public gcd_traits_defaults<unsigned int>
{ BOOST_FORCEINLINE static unsigned make_odd(unsigned int& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
template <> struct gcd_traits<int> : public gcd_traits_defaults<int>
{ BOOST_FORCEINLINE static unsigned make_odd(int& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
template <> struct gcd_traits<unsigned short> : public gcd_traits_defaults<unsigned short>
{ BOOST_FORCEINLINE static unsigned make_odd(unsigned short& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
template <> struct gcd_traits<short> : public gcd_traits_defaults<short>
{ BOOST_FORCEINLINE static unsigned make_odd(short& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
template <> struct gcd_traits<unsigned char> : public gcd_traits_defaults<unsigned char>
{ BOOST_FORCEINLINE static unsigned make_odd(unsigned char& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
template <> struct gcd_traits<signed char> : public gcd_traits_defaults<signed char>
{ BOOST_FORCEINLINE static unsigned make_odd(signed char& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
template <> struct gcd_traits<char> : public gcd_traits_defaults<char>
{ BOOST_FORCEINLINE static unsigned make_odd(char& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
#ifndef BOOST_NO_INTRINSIC_WCHAR_T
template <> struct gcd_traits<wchar_t> : public gcd_traits_defaults<wchar_t>
{ BOOST_FORCEINLINE static unsigned make_odd(wchar_t& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; } };
#endif
#ifdef _M_X64
template <> struct gcd_traits<__int64> : public gcd_traits_defaults<__int64>
{ BOOST_FORCEINLINE static unsigned make_odd(__int64& val)BOOST_NOEXCEPT{ unsigned result = gcd_traits<unsigned __int64>::find_lsb(val); val >>= result; return result; } };
#endif
#elif defined(BOOST_GCC) || defined(__clang__) || (defined(BOOST_INTEL) && defined(__GNUC__))
template <>
struct gcd_traits<unsigned> : public gcd_traits_defaults<unsigned>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned find_lsb(unsigned mask)BOOST_NOEXCEPT
{
return __builtin_ctz(mask);
}
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(unsigned& val)BOOST_NOEXCEPT
{
unsigned result = find_lsb(val);
val >>= result;
return result;
}
};
template <>
struct gcd_traits<unsigned long> : public gcd_traits_defaults<unsigned long>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned find_lsb(unsigned long mask)BOOST_NOEXCEPT
{
return __builtin_ctzl(mask);
}
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(unsigned long& val)BOOST_NOEXCEPT
{
unsigned result = find_lsb(val);
val >>= result;
return result;
}
};
template <>
struct gcd_traits<boost::ulong_long_type> : public gcd_traits_defaults<boost::ulong_long_type>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned find_lsb(boost::ulong_long_type mask)BOOST_NOEXCEPT
{
return __builtin_ctzll(mask);
}
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(boost::ulong_long_type& val)BOOST_NOEXCEPT
{
unsigned result = find_lsb(val);
val >>= result;
return result;
}
};
//
// Other integer type are trivial adaptations of the above,
// this works for signed types too, as by the time these functions
// are called, all values are > 0.
//
template <> struct gcd_traits<boost::long_long_type> : public gcd_traits_defaults<boost::long_long_type>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(boost::long_long_type& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<boost::ulong_long_type>::find_lsb(val); val >>= result; return result; }
};
template <> struct gcd_traits<long> : public gcd_traits_defaults<long>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(long& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; }
};
template <> struct gcd_traits<int> : public gcd_traits_defaults<int>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(int& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<unsigned long>::find_lsb(val); val >>= result; return result; }
};
template <> struct gcd_traits<unsigned short> : public gcd_traits_defaults<unsigned short>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(unsigned short& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<unsigned>::find_lsb(val); val >>= result; return result; }
};
template <> struct gcd_traits<short> : public gcd_traits_defaults<short>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(short& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<unsigned>::find_lsb(val); val >>= result; return result; }
};
template <> struct gcd_traits<unsigned char> : public gcd_traits_defaults<unsigned char>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(unsigned char& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<unsigned>::find_lsb(val); val >>= result; return result; }
};
template <> struct gcd_traits<signed char> : public gcd_traits_defaults<signed char>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(signed char& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<unsigned>::find_lsb(val); val >>= result; return result; }
};
template <> struct gcd_traits<char> : public gcd_traits_defaults<char>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(char& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<unsigned>::find_lsb(val); val >>= result; return result; }
};
#ifndef BOOST_NO_INTRINSIC_WCHAR_T
template <> struct gcd_traits<wchar_t> : public gcd_traits_defaults<wchar_t>
{
BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(wchar_t& val)BOOST_NOEXCEPT { unsigned result = gcd_traits<unsigned>::find_lsb(val); val >>= result; return result; }
};
#endif
#endif
//
// The Mixed Binary Euclid Algorithm
// Sidi Mohamed Sedjelmaci
// Electronic Notes in Discrete Mathematics 35 (2009) 169-176
//
template <class T>
BOOST_CXX14_CONSTEXPR T mixed_binary_gcd(T u, T v) BOOST_GCD_NOEXCEPT(T)
{
if(gcd_traits<T>::less(u, v))
constexpr_swap(u, v);
unsigned shifts = 0;
if(u == T(0))
return v;
if(v == T(0))
return u;
shifts = constexpr_min(gcd_traits<T>::make_odd(u), gcd_traits<T>::make_odd(v));
while(gcd_traits<T>::less(1, v))
{
u %= v;
v -= u;
if(u == T(0))
return v << shifts;
if(v == T(0))
return u << shifts;
gcd_traits<T>::make_odd(u);
gcd_traits<T>::make_odd(v);
if(gcd_traits<T>::less(u, v))
constexpr_swap(u, v);
}
return (v == 1 ? v : u) << shifts;
}
/** Stein gcd (aka 'binary gcd')
*
* From Mathematics to Generic Programming, Alexander Stepanov, Daniel Rose
*/
template <typename SteinDomain>
BOOST_CXX14_CONSTEXPR SteinDomain Stein_gcd(SteinDomain m, SteinDomain n) BOOST_GCD_NOEXCEPT(SteinDomain)
{
BOOST_ASSERT(m >= 0);
BOOST_ASSERT(n >= 0);
if (m == SteinDomain(0))
return n;
if (n == SteinDomain(0))
return m;
// m > 0 && n > 0
unsigned d_m = gcd_traits<SteinDomain>::make_odd(m);
unsigned d_n = gcd_traits<SteinDomain>::make_odd(n);
// odd(m) && odd(n)
while (m != n)
{
if (n > m)
constexpr_swap(n, m);
m -= n;
gcd_traits<SteinDomain>::make_odd(m);
}
// m == n
m <<= constexpr_min(d_m, d_n);
return m;
}
/** Euclidean algorithm
*
* From Mathematics to Generic Programming, Alexander Stepanov, Daniel Rose
*
*/
template <typename EuclideanDomain>
inline BOOST_CXX14_CONSTEXPR EuclideanDomain Euclid_gcd(EuclideanDomain a, EuclideanDomain b) BOOST_GCD_NOEXCEPT(EuclideanDomain)
{
while (b != EuclideanDomain(0))
{
a %= b;
constexpr_swap(a, b);
}
return a;
}
template <typename T>
inline BOOST_CXX14_CONSTEXPR BOOST_DEDUCED_TYPENAME enable_if_c<gcd_traits<T>::method == method_mixed, T>::type
optimal_gcd_select(T const &a, T const &b) BOOST_GCD_NOEXCEPT(T)
{
return gcd_detail::mixed_binary_gcd(a, b);
}
template <typename T>
inline BOOST_CXX14_CONSTEXPR BOOST_DEDUCED_TYPENAME enable_if_c<gcd_traits<T>::method == method_binary, T>::type
optimal_gcd_select(T const &a, T const &b) BOOST_GCD_NOEXCEPT(T)
{
return gcd_detail::Stein_gcd(a, b);
}
template <typename T>
inline BOOST_CXX14_CONSTEXPR BOOST_DEDUCED_TYPENAME enable_if_c<gcd_traits<T>::method == method_euclid, T>::type
optimal_gcd_select(T const &a, T const &b) BOOST_GCD_NOEXCEPT(T)
{
return gcd_detail::Euclid_gcd(a, b);
}
template <class T>
inline BOOST_CXX14_CONSTEXPR T lcm_imp(const T& a, const T& b) BOOST_GCD_NOEXCEPT(T)
{
T temp = boost::integer::gcd_detail::optimal_gcd_select(a, b);
#if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)
return (temp != T(0)) ? T(a / temp * b) : T(0);
#else
return temp != T(0) ? T(a / temp * b) : T(0);
#endif
}
} // namespace detail
template <typename Integer>
inline BOOST_CXX14_CONSTEXPR Integer gcd(Integer const &a, Integer const &b) BOOST_GCD_NOEXCEPT(Integer)
{
if(a == (std::numeric_limits<Integer>::min)())
return a == static_cast<Integer>(0) ? gcd_detail::gcd_traits<Integer>::abs(b) : boost::integer::gcd(static_cast<Integer>(a % b), b);
else if (b == (std::numeric_limits<Integer>::min)())
return b == static_cast<Integer>(0) ? gcd_detail::gcd_traits<Integer>::abs(a) : boost::integer::gcd(a, static_cast<Integer>(b % a));
return gcd_detail::optimal_gcd_select(static_cast<Integer>(gcd_detail::gcd_traits<Integer>::abs(a)), static_cast<Integer>(gcd_detail::gcd_traits<Integer>::abs(b)));
}
template <typename Integer>
inline BOOST_CXX14_CONSTEXPR Integer lcm(Integer const &a, Integer const &b) BOOST_GCD_NOEXCEPT(Integer)
{
return gcd_detail::lcm_imp(static_cast<Integer>(gcd_detail::gcd_traits<Integer>::abs(a)), static_cast<Integer>(gcd_detail::gcd_traits<Integer>::abs(b)));
}
#ifndef BOOST_NO_CXX11_VARIADIC_TEMPLATES
//
// This looks slightly odd, but the variadic forms must have 3 or more arguments, and the variadic argument pack may be empty.
// This matters not at all for most compilers, but Oracle C++ selects the wrong overload in the 2-arg case unless we do this.
//
template <typename Integer, typename... Args>
inline BOOST_CXX14_CONSTEXPR Integer gcd(Integer const &a, Integer const &b, const Integer& c, Args const&... args) BOOST_GCD_NOEXCEPT(Integer)
{
Integer t = gcd(b, c, args...);
return t == 1 ? 1 : gcd(a, t);
}
template <typename Integer, typename... Args>
inline BOOST_CXX14_CONSTEXPR Integer lcm(Integer const &a, Integer const &b, Integer const& c, Args const&... args) BOOST_GCD_NOEXCEPT(Integer)
{
return lcm(a, lcm(b, c, args...));
}
#endif
//
// Special handling for rationals:
//
template <typename Integer>
inline typename boost::enable_if_c<std::numeric_limits<Integer>::is_specialized, boost::rational<Integer> >::type gcd(boost::rational<Integer> const &a, boost::rational<Integer> const &b)
{
return boost::rational<Integer>(static_cast<Integer>(gcd(a.numerator(), b.numerator())), static_cast<Integer>(lcm(a.denominator(), b.denominator())));
}
template <typename Integer>
inline typename boost::enable_if_c<std::numeric_limits<Integer>::is_specialized, boost::rational<Integer> >::type lcm(boost::rational<Integer> const &a, boost::rational<Integer> const &b)
{
return boost::rational<Integer>(static_cast<Integer>(lcm(a.numerator(), b.numerator())), static_cast<Integer>(gcd(a.denominator(), b.denominator())));
}
/**
* Knuth, The Art of Computer Programming: Volume 2, Third edition, 1998
* Chapter 4.5.2, Algorithm C: Greatest common divisor of n integers.
*
* Knuth counts down from n to zero but we naturally go from first to last.
* We also return the termination position because it might be useful to know.
*
* Partly by quirk, partly by design, this algorithm is defined for n = 1,
* because the gcd of {x} is x. It is not defined for n = 0.
*
* @tparam I Input iterator.
* @return The gcd of the range and the iterator position at termination.
*/
template <typename I>
std::pair<typename std::iterator_traits<I>::value_type, I>
gcd_range(I first, I last) BOOST_GCD_NOEXCEPT(I)
{
BOOST_ASSERT(first != last);
typedef typename std::iterator_traits<I>::value_type T;
T d = *first;
++first;
while (d != T(1) && first != last)
{
d = gcd(d, *first);
++first;
}
return std::make_pair(d, first);
}
template <typename I>
std::pair<typename std::iterator_traits<I>::value_type, I>
lcm_range(I first, I last) BOOST_GCD_NOEXCEPT(I)
{
BOOST_ASSERT(first != last);
typedef typename std::iterator_traits<I>::value_type T;
T d = *first;
++first;
while (d != T(0) && first != last)
{
d = lcm(d, *first);
++first;
}
return std::make_pair(d, first);
}
template < typename IntegerType >
class gcd_evaluator
#ifdef BOOST_NO_CXX11_HDR_FUNCTIONAL
: public std::binary_function<IntegerType, IntegerType, IntegerType>
#endif
{
public:
#ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
typedef IntegerType first_argument_type;
typedef IntegerType second_argument_type;
typedef IntegerType result_type;
#endif
IntegerType operator()(IntegerType const &a, IntegerType const &b) const
{
return boost::integer::gcd(a, b);
}
};
template < typename IntegerType >
class lcm_evaluator
#ifdef BOOST_NO_CXX11_HDR_FUNCTIONAL
: public std::binary_function<IntegerType, IntegerType, IntegerType>
#endif
{
public:
#ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
typedef IntegerType first_argument_type;
typedef IntegerType second_argument_type;
typedef IntegerType result_type;
#endif
IntegerType operator()(IntegerType const &a, IntegerType const &b)const
{
return boost::integer::lcm(a, b);
}
};
} // namespace integer
} // namespace boost
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#endif // BOOST_INTEGER_COMMON_FACTOR_RT_HPP

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@ -1,83 +0,0 @@
/*
* (C) Copyright Nick Thompson 2018.
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef BOOST_INTEGER_EXTENDED_EUCLIDEAN_HPP
#define BOOST_INTEGER_EXTENDED_EUCLIDEAN_HPP
#include <limits>
#include <stdexcept>
#include <boost/throw_exception.hpp>
#include <boost/core/invoke_swap.hpp>
#include <boost/core/enable_if.hpp>
namespace boost { namespace integer {
// From "The Joy of Factoring", Algorithm 2.7, with a small optimization to remove tmps from Wikipedia.
// Solves mx + ny = gcd(m,n). Returns tuple with (gcd(m,n), x, y).
template<class Z>
struct euclidean_result_t
{
Z gcd;
Z x;
Z y;
};
template<class Z>
typename boost::enable_if_c< std::numeric_limits< Z >::is_signed, euclidean_result_t< Z > >::type
extended_euclidean(Z m, Z n)
{
if (m < 1 || n < 1)
{
BOOST_THROW_EXCEPTION(std::domain_error("extended_euclidean: arguments must be strictly positive"));
}
bool swapped = false;
if (m < n)
{
swapped = true;
boost::core::invoke_swap(m, n);
}
Z u0 = m;
Z u1 = 1;
Z u2 = 0;
Z v0 = n;
Z v1 = 0;
Z v2 = 1;
Z w0;
Z w1;
Z w2;
while(v0 > 0)
{
Z q = u0/v0;
w0 = u0 - q*v0;
w1 = u1 - q*v1;
w2 = u2 - q*v2;
u0 = v0;
u1 = v1;
u2 = v2;
v0 = w0;
v1 = w1;
v2 = w2;
}
euclidean_result_t< Z > result;
result.gcd = u0;
if (!swapped)
{
result.x = u1;
result.y = u2;
}
else
{
result.x = u2;
result.y = u1;
}
return result;
}
}}
#endif

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@ -1,117 +0,0 @@
// -----------------------------------------------------------
// integer_log2.hpp
//
// Gives the integer part of the logarithm, in base 2, of a
// given number. Behavior is undefined if the argument is <= 0.
//
// Copyright (c) 2003-2004, 2008 Gennaro Prota
// Copyright (c) 2022 Andrey Semashev
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
//
// -----------------------------------------------------------
#ifndef BOOST_INTEGER_INTEGER_LOG2_HPP
#define BOOST_INTEGER_INTEGER_LOG2_HPP
#include <climits>
#include <limits>
#include <boost/config.hpp>
#include <boost/assert.hpp>
#include <boost/cstdint.hpp>
#include <boost/core/bit.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/type_traits/is_integral.hpp>
#include <boost/type_traits/make_unsigned.hpp>
namespace boost {
namespace detail {
// helper to find the maximum power of two
// less than p
template< unsigned int p, unsigned int n, bool = ((2u * n) < p) >
struct max_pow2_less :
public max_pow2_less< p, 2u * n >
{
};
template< unsigned int p, unsigned int n >
struct max_pow2_less< p, n, false >
{
BOOST_STATIC_CONSTANT(unsigned int, value = n);
};
template< typename T >
inline typename boost::disable_if< boost::is_integral< T >, int >::type integer_log2_impl(T x)
{
unsigned int n = detail::max_pow2_less<
std::numeric_limits< T >::digits,
CHAR_BIT / 2u
>::value;
int result = 0;
while (x != 1)
{
T t(x >> n);
if (t)
{
result += static_cast< int >(n);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
x = static_cast< T&& >(t);
#else
x = t;
#endif
}
n >>= 1u;
}
return result;
}
template< typename T >
inline typename boost::enable_if< boost::is_integral< T >, int >::type integer_log2_impl(T x)
{
// We could simply rely on numeric_limits but sometimes
// Borland tries to use numeric_limits<const T>, because
// of its usual const-related problems in argument deduction
// - gps
return static_cast< int >((sizeof(T) * CHAR_BIT - 1u) -
boost::core::countl_zero(static_cast< typename boost::make_unsigned< T >::type >(x)));
}
#if defined(BOOST_HAS_INT128)
// We need to provide explicit overloads for __int128 because (a) boost/core/bit.hpp currently does not support it and
// (b) std::numeric_limits are not specialized for __int128 in some standard libraries.
inline int integer_log2_impl(boost::uint128_type x)
{
const boost::uint64_t x_hi = static_cast< boost::uint64_t >(x >> 64u);
if (x_hi != 0u)
return 127 - boost::core::countl_zero(x_hi);
else
return 63 - boost::core::countl_zero(static_cast< boost::uint64_t >(x));
}
inline int integer_log2_impl(boost::int128_type x)
{
return detail::integer_log2_impl(static_cast< boost::uint128_type >(x));
}
#endif // defined(BOOST_HAS_INT128)
} // namespace detail
// ------------
// integer_log2
// ------------
template< typename T >
inline int integer_log2(T x)
{
BOOST_ASSERT(x > 0);
return detail::integer_log2_impl(x);
}
} // namespace boost
#endif // BOOST_INTEGER_INTEGER_LOG2_HPP

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@ -1,134 +0,0 @@
// Boost integer/integer_mask.hpp header file ------------------------------//
// (C) Copyright Daryle Walker 2001.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_INTEGER_INTEGER_MASK_HPP
#define BOOST_INTEGER_INTEGER_MASK_HPP
#include <boost/integer_fwd.hpp> // self include
#include <boost/config.hpp> // for BOOST_STATIC_CONSTANT
#include <boost/integer.hpp> // for boost::uint_t
#include <climits> // for UCHAR_MAX, etc.
#include <cstddef> // for std::size_t
#include <boost/limits.hpp> // for std::numeric_limits
//
// We simply cannot include this header on gcc without getting copious warnings of the kind:
//
// boost/integer/integer_mask.hpp:93:35: warning: use of C99 long long integer constant
//
// And yet there is no other reasonable implementation, so we declare this a system header
// to suppress these warnings.
//
#if defined(__GNUC__) && (__GNUC__ >= 4)
#pragma GCC system_header
#endif
namespace boost
{
// Specified single-bit mask class declaration -----------------------------//
// (Lowest bit starts counting at 0.)
template < std::size_t Bit >
struct high_bit_mask_t
{
typedef typename uint_t<(Bit + 1)>::least least;
typedef typename uint_t<(Bit + 1)>::fast fast;
BOOST_STATIC_CONSTANT( least, high_bit = (least( 1u ) << Bit) );
BOOST_STATIC_CONSTANT( fast, high_bit_fast = (fast( 1u ) << Bit) );
BOOST_STATIC_CONSTANT( std::size_t, bit_position = Bit );
}; // boost::high_bit_mask_t
// Specified bit-block mask class declaration ------------------------------//
// Makes masks for the lowest N bits
// (Specializations are needed when N fills up a type.)
#ifdef BOOST_MSVC
#pragma warning(push)
#pragma warning(disable:4310) // cast truncates constant value
#endif
template < std::size_t Bits >
struct low_bits_mask_t
{
typedef typename uint_t<Bits>::least least;
typedef typename uint_t<Bits>::fast fast;
BOOST_STATIC_CONSTANT( least, sig_bits = least(~(least(~(least( 0u ))) << Bits )) );
BOOST_STATIC_CONSTANT( fast, sig_bits_fast = fast(sig_bits) );
BOOST_STATIC_CONSTANT( std::size_t, bit_count = Bits );
}; // boost::low_bits_mask_t
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#define BOOST_LOW_BITS_MASK_SPECIALIZE( Type ) \
template < > struct low_bits_mask_t< std::numeric_limits<Type>::digits > { \
typedef std::numeric_limits<Type> limits_type; \
typedef uint_t<limits_type::digits>::least least; \
typedef uint_t<limits_type::digits>::fast fast; \
BOOST_STATIC_CONSTANT( least, sig_bits = (~( least(0u) )) ); \
BOOST_STATIC_CONSTANT( fast, sig_bits_fast = fast(sig_bits) ); \
BOOST_STATIC_CONSTANT( std::size_t, bit_count = limits_type::digits ); \
}
#ifdef BOOST_MSVC
#pragma warning(push)
#pragma warning(disable:4245) // 'initializing' : conversion from 'int' to 'const boost::low_bits_mask_t<8>::least', signed/unsigned mismatch
#endif
BOOST_LOW_BITS_MASK_SPECIALIZE( unsigned char );
#if USHRT_MAX > UCHAR_MAX
BOOST_LOW_BITS_MASK_SPECIALIZE( unsigned short );
#endif
#if UINT_MAX > USHRT_MAX
BOOST_LOW_BITS_MASK_SPECIALIZE( unsigned int );
#endif
#if ULONG_MAX > UINT_MAX
BOOST_LOW_BITS_MASK_SPECIALIZE( unsigned long );
#endif
#if defined(BOOST_HAS_LONG_LONG)
#if ((defined(ULLONG_MAX) && (ULLONG_MAX > ULONG_MAX)) ||\
(defined(ULONG_LONG_MAX) && (ULONG_LONG_MAX > ULONG_MAX)) ||\
(defined(ULONGLONG_MAX) && (ULONGLONG_MAX > ULONG_MAX)) ||\
(defined(_ULLONG_MAX) && (_ULLONG_MAX > ULONG_MAX)))
BOOST_LOW_BITS_MASK_SPECIALIZE( boost::ulong_long_type );
#endif
#elif defined(BOOST_HAS_MS_INT64)
#if 18446744073709551615ui64 > ULONG_MAX
BOOST_LOW_BITS_MASK_SPECIALIZE( unsigned __int64 );
#endif
#endif
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#undef BOOST_LOW_BITS_MASK_SPECIALIZE
} // namespace boost
#endif // BOOST_INTEGER_INTEGER_MASK_HPP

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@ -1,53 +0,0 @@
/*
* (C) Copyright Nick Thompson 2018.
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef BOOST_INTEGER_MOD_INVERSE_HPP
#define BOOST_INTEGER_MOD_INVERSE_HPP
#include <stdexcept>
#include <boost/throw_exception.hpp>
#include <boost/integer/extended_euclidean.hpp>
namespace boost { namespace integer {
// From "The Joy of Factoring", Algorithm 2.7.
// Here's some others names I've found for this function:
// PowerMod[a, -1, m] (Mathematica)
// mpz_invert (gmplib)
// modinv (some dude on stackoverflow)
// Would mod_inverse be sometimes mistaken as the modular *additive* inverse?
// In any case, I think this is the best name we can get for this function without agonizing.
template<class Z>
Z mod_inverse(Z a, Z modulus)
{
if (modulus < Z(2))
{
BOOST_THROW_EXCEPTION(std::domain_error("mod_inverse: modulus must be > 1"));
}
// make sure a < modulus:
a = a % modulus;
if (a == Z(0))
{
// a doesn't have a modular multiplicative inverse:
return Z(0);
}
boost::integer::euclidean_result_t<Z> u = boost::integer::extended_euclidean(a, modulus);
if (u.gcd > Z(1))
{
return Z(0);
}
// x might not be in the range 0 < x < m, let's fix that:
while (u.x <= Z(0))
{
u.x += modulus;
}
// While indeed this is an inexpensive and comforting check,
// the multiplication overflows and hence makes the check itself buggy.
//BOOST_ASSERT(u.x*a % modulus == 1);
return u.x;
}
}}
#endif

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@ -1,126 +0,0 @@
// -------------- Boost static_log2.hpp header file ----------------------- //
//
// Copyright (C) 2001 Daryle Walker.
// Copyright (C) 2003 Vesa Karvonen.
// Copyright (C) 2003 Gennaro Prota.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
//
// ---------------------------------------------------
// See https://www.boost.org/libs/integer for documentation.
// ------------------------------------------------------------------------- //
#ifndef BOOST_INTEGER_STATIC_LOG2_HPP
#define BOOST_INTEGER_STATIC_LOG2_HPP
#include <boost/config.hpp>
#include <boost/integer_fwd.hpp>
namespace boost {
namespace detail {
namespace static_log2_impl {
// choose_initial_n<>
//
// Recursively doubles its integer argument, until it
// becomes >= of the "width" (C99, 6.2.6.2p4) of
// static_log2_argument_type.
//
// Used to get the maximum power of two less then the width.
//
// Example: if on your platform argument_type has 48 value
// bits it yields n=32.
//
// It's easy to prove that, starting from such a value
// of n, the core algorithm works correctly for any width
// of static_log2_argument_type and that recursion always
// terminates with x = 1 and n = 0 (see the algorithm's
// invariant).
typedef boost::static_log2_argument_type argument_type;
typedef boost::static_log2_result_type result_type;
template <result_type n>
struct choose_initial_n {
BOOST_STATIC_CONSTANT(bool, c = (argument_type(1) << n << n) != 0);
BOOST_STATIC_CONSTANT(
result_type,
value = !c*n + choose_initial_n<2*c*n>::value
);
};
template <>
struct choose_initial_n<0> {
BOOST_STATIC_CONSTANT(result_type, value = 0);
};
// start computing from n_zero - must be a power of two
const result_type n_zero = 16;
const result_type initial_n = choose_initial_n<n_zero>::value;
// static_log2_impl<>
//
// * Invariant:
// 2n
// 1 <= x && x < 2 at the start of each recursion
// (see also choose_initial_n<>)
//
// * Type requirements:
//
// argument_type maybe any unsigned type with at least n_zero + 1
// value bits. (Note: If larger types will be standardized -e.g.
// unsigned long long- then the argument_type typedef can be
// changed without affecting the rest of the code.)
//
template <argument_type x, result_type n = initial_n>
struct static_log2_impl {
BOOST_STATIC_CONSTANT(bool, c = (x >> n) > 0); // x >= 2**n ?
BOOST_STATIC_CONSTANT(
result_type,
value = c*n + (static_log2_impl< (x>>c*n), n/2 >::value)
);
};
template <>
struct static_log2_impl<1, 0> {
BOOST_STATIC_CONSTANT(result_type, value = 0);
};
}
} // detail
// --------------------------------------
// static_log2<x>
// ----------------------------------------
template <static_log2_argument_type x>
struct static_log2 {
BOOST_STATIC_CONSTANT(
static_log2_result_type,
value = detail::static_log2_impl::static_log2_impl<x>::value
);
};
template <>
struct static_log2<0> { };
}
#endif // include guard

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@ -1,52 +0,0 @@
// Boost integer/static_min_max.hpp header file ----------------------------//
// (C) Copyright Daryle Walker 2001.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_INTEGER_STATIC_MIN_MAX_HPP
#define BOOST_INTEGER_STATIC_MIN_MAX_HPP
#include <boost/config.hpp>
#include <boost/integer_fwd.hpp> // self include
namespace boost
{
// Compile-time extrema class declarations ---------------------------------//
// Get the minimum or maximum of two values, signed or unsigned.
template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
struct static_signed_min
{
BOOST_STATIC_CONSTANT(static_min_max_signed_type, value = (Value1 > Value2) ? Value2 : Value1 );
};
template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
struct static_signed_max
{
BOOST_STATIC_CONSTANT(static_min_max_signed_type, value = (Value1 < Value2) ? Value2 : Value1 );
};
template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
struct static_unsigned_min
{
BOOST_STATIC_CONSTANT(static_min_max_unsigned_type, value
= (Value1 > Value2) ? Value2 : Value1 );
};
template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
struct static_unsigned_max
{
BOOST_STATIC_CONSTANT(static_min_max_unsigned_type, value
= (Value1 < Value2) ? Value2 : Value1 );
};
} // namespace boost
#endif // BOOST_INTEGER_STATIC_MIN_MAX_HPP

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@ -1,190 +0,0 @@
// Boost integer_fwd.hpp header file ---------------------------------------//
// (C) Copyright Dave Abrahams and Daryle Walker 2001. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org/libs/integer for documentation.
#ifndef BOOST_INTEGER_FWD_HPP
#define BOOST_INTEGER_FWD_HPP
#include <climits> // for UCHAR_MAX, etc.
#include <cstddef> // for std::size_t
#include <boost/config.hpp> // for BOOST_NO_INTRINSIC_WCHAR_T
#include <boost/limits.hpp> // for std::numeric_limits
#include <boost/cstdint.hpp> // For intmax_t
namespace boost
{
#ifdef BOOST_NO_INTEGRAL_INT64_T
typedef unsigned long static_log2_argument_type;
typedef int static_log2_result_type;
typedef long static_min_max_signed_type;
typedef unsigned long static_min_max_unsigned_type;
#else
typedef boost::uintmax_t static_min_max_unsigned_type;
typedef boost::intmax_t static_min_max_signed_type;
typedef boost::uintmax_t static_log2_argument_type;
typedef int static_log2_result_type;
#endif
// From <boost/cstdint.hpp> ------------------------------------------------//
// Only has typedefs or using statements, with #conditionals
// From <boost/integer_traits.hpp> -----------------------------------------//
template < class T >
class integer_traits;
template < >
class integer_traits< bool >;
template < >
class integer_traits< char >;
template < >
class integer_traits< signed char >;
template < >
class integer_traits< unsigned char >;
#ifndef BOOST_NO_INTRINSIC_WCHAR_T
template < >
class integer_traits< wchar_t >;
#endif
template < >
class integer_traits< short >;
template < >
class integer_traits< unsigned short >;
template < >
class integer_traits< int >;
template < >
class integer_traits< unsigned int >;
template < >
class integer_traits< long >;
template < >
class integer_traits< unsigned long >;
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_LONG_LONG)
template < >
class integer_traits< ::boost::long_long_type>;
template < >
class integer_traits< ::boost::ulong_long_type >;
#elif !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_MS_INT64)
template < >
class integer_traits<__int64>;
template < >
class integer_traits<unsigned __int64>;
#endif
// From <boost/integer.hpp> ------------------------------------------------//
template < typename LeastInt >
struct int_fast_t;
template< int Bits >
struct int_t;
template< int Bits >
struct uint_t;
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
template< boost::long_long_type MaxValue > // maximum value to require support
#else
template< long MaxValue > // maximum value to require support
#endif
struct int_max_value_t;
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
template< boost::long_long_type MinValue > // minimum value to require support
#else
template< long MinValue > // minimum value to require support
#endif
struct int_min_value_t;
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
template< boost::ulong_long_type MaxValue > // maximum value to require support
#else
template< unsigned long MaxValue > // maximum value to require support
#endif
struct uint_value_t;
// From <boost/integer/integer_mask.hpp> -----------------------------------//
template < std::size_t Bit >
struct high_bit_mask_t;
template < std::size_t Bits >
struct low_bits_mask_t;
template < >
struct low_bits_mask_t< ::std::numeric_limits<unsigned char>::digits >;
// From <boost/integer/static_log2.hpp> ------------------------------------//
template <static_log2_argument_type Value >
struct static_log2;
template <> struct static_log2<0u>;
// From <boost/integer/static_min_max.hpp> ---------------------------------//
template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
struct static_signed_min;
template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
struct static_signed_max;
template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
struct static_unsigned_min;
template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
struct static_unsigned_max;
namespace integer
{
// From <boost/integer/common_factor_ct.hpp>
#ifdef BOOST_NO_INTEGRAL_INT64_T
typedef unsigned long static_gcd_type;
#else
typedef boost::uintmax_t static_gcd_type;
#endif
template < static_gcd_type Value1, static_gcd_type Value2 >
struct static_gcd;
template < static_gcd_type Value1, static_gcd_type Value2 >
struct static_lcm;
// From <boost/integer/common_factor_rt.hpp>
template < typename IntegerType >
class gcd_evaluator;
template < typename IntegerType >
class lcm_evaluator;
} // namespace integer
} // namespace boost
#endif // BOOST_INTEGER_FWD_HPP

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@ -1,50 +1,40 @@
/* boost integer_traits.hpp header file
*
* Copyright Jens Maurer 2000
* Distributed under the Boost Software License, Version 1.0. (See
* accompanying file LICENSE_1_0.txt or copy at
* https://www.boost.org/LICENSE_1_0.txt)
* Permission to use, copy, modify, sell, and distribute this software
* is hereby granted without free provided that the above copyright notice
* appears in all copies and that both that copyright notice and this
* permission notice appear in supporting documentation,
*
* Jens Maurer makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* $Id$
*
* Idea by Beman Dawes, Ed Brey, Steve Cleary, and Nathan Myers
*/
// See https://www.boost.org/libs/integer for documentation.
#ifndef BOOST_INTEGER_TRAITS_HPP
#define BOOST_INTEGER_TRAITS_HPP
#include <limits>
#include <boost/config.hpp>
#include <boost/limits.hpp>
// These are an implementation detail and not part of the interface
// This is an implementation detail and not part of the interface
#include <limits.h>
// we need wchar.h for WCHAR_MAX/MIN but not all platforms provide it,
// and some may have <wchar.h> but not <cwchar> ...
#if !defined(BOOST_NO_INTRINSIC_WCHAR_T) && (!defined(BOOST_NO_CWCHAR) || defined(sun) || defined(__sun) || defined(__QNX__))
#include <wchar.h>
#endif
//
// We simply cannot include this header on gcc without getting copious warnings of the kind:
//
// ../../../boost/integer_traits.hpp:164:66: warning: use of C99 long long integer constant
//
// And yet there is no other reasonable implementation, so we declare this a system header
// to suppress these warnings.
//
#if defined(__GNUC__) && (__GNUC__ >= 4)
#pragma GCC system_header
#endif
namespace boost {
template<class T>
class integer_traits : public std::numeric_limits<T>
{
public:
BOOST_STATIC_CONSTANT(bool, is_integral = false);
#ifndef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
static const bool is_integral = false;
#else
enum { is_integral = false };
#endif
};
namespace detail {
@ -52,23 +42,18 @@ template<class T, T min_val, T max_val>
class integer_traits_base
{
public:
BOOST_STATIC_CONSTANT(bool, is_integral = true);
BOOST_STATIC_CONSTANT(T, const_min = min_val);
BOOST_STATIC_CONSTANT(T, const_max = max_val);
};
#ifndef BOOST_NO_INCLASS_MEMBER_INITIALIZATION
// A definition is required even for integral static constants
template<class T, T min_val, T max_val>
const bool integer_traits_base<T, min_val, max_val>::is_integral;
template<class T, T min_val, T max_val>
const T integer_traits_base<T, min_val, max_val>::const_min;
template<class T, T min_val, T max_val>
const T integer_traits_base<T, min_val, max_val>::const_max;
static const bool is_integral = true;
static const T const_min = min_val;
static const T const_max = max_val;
#else
enum {
is_integral = true,
const_min = min_val,
const_max = max_val
};
#endif
};
} // namespace detail
template<>
@ -95,35 +80,7 @@ class integer_traits<unsigned char>
public detail::integer_traits_base<unsigned char, 0, UCHAR_MAX>
{ };
#ifndef BOOST_NO_INTRINSIC_WCHAR_T
template<>
class integer_traits<wchar_t>
: public std::numeric_limits<wchar_t>,
// Don't trust WCHAR_MIN and WCHAR_MAX with Mac OS X's native
// library: they are wrong!
#if defined(WCHAR_MIN) && defined(WCHAR_MAX) && !defined(__APPLE__)
public detail::integer_traits_base<wchar_t, WCHAR_MIN, WCHAR_MAX>
#elif defined(BOOST_BORLANDC) || defined(__CYGWIN__) || defined(__MINGW32__) || (defined(__BEOS__) && defined(__GNUC__))
// No WCHAR_MIN and WCHAR_MAX, whar_t is short and unsigned:
public detail::integer_traits_base<wchar_t, 0, 0xffff>
#elif (defined(__sgi) && (!defined(__SGI_STL_PORT) || __SGI_STL_PORT < 0x400))\
|| (defined __APPLE__)\
|| (defined(__OpenBSD__) && defined(__GNUC__))\
|| (defined(__NetBSD__) && defined(__GNUC__))\
|| (defined(__FreeBSD__) && defined(__GNUC__))\
|| (defined(__DragonFly__) && defined(__GNUC__))\
|| (defined(__hpux) && defined(__GNUC__) && (__GNUC__ == 3) && !defined(__SGI_STL_PORT))
// No WCHAR_MIN and WCHAR_MAX, wchar_t has the same range as int.
// - SGI MIPSpro with native library
// - gcc 3.x on HP-UX
// - Mac OS X with native library
// - gcc on FreeBSD, OpenBSD and NetBSD
public detail::integer_traits_base<wchar_t, INT_MIN, INT_MAX>
#else
#error No WCHAR_MIN and WCHAR_MAX present, please adjust integer_traits<> for your compiler.
#endif
{ };
#endif // BOOST_NO_INTRINSIC_WCHAR_T
// What about wchar_t ?
template<>
class integer_traits<short>
@ -161,96 +118,30 @@ class integer_traits<unsigned long>
public detail::integer_traits_base<unsigned long, 0, ULONG_MAX>
{ };
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T)
#if defined(ULLONG_MAX) && defined(BOOST_HAS_LONG_LONG)
#ifdef ULLONG_MAX
template<>
class integer_traits< ::boost::long_long_type>
: public std::numeric_limits< ::boost::long_long_type>,
public detail::integer_traits_base< ::boost::long_long_type, LLONG_MIN, LLONG_MAX>
class integer_traits<long long>
: public std::numeric_limits<long long>,
public detail::integer_traits_base<long long, LLONG_MIN, LLONG_MAX>
{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULLONG_MAX>
class integer_traits<unsigned long long>
: public std::numeric_limits<unsigned long long>,
public detail::integer_traits_base<unsigned long long, 0, ULLONG_MAX>
{ };
#elif defined(ULONG_LONG_MAX) && defined(BOOST_HAS_LONG_LONG)
#elif defined(ULONG_LONG_MAX)
template<>
class integer_traits< ::boost::long_long_type> : public std::numeric_limits< ::boost::long_long_type>, public detail::integer_traits_base< ::boost::long_long_type, LONG_LONG_MIN, LONG_LONG_MAX>{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULONG_LONG_MAX>
class integer_traits<long long>
: public std::numeric_limits<long long>,
public detail::integer_traits_base<long long, LONG_LONG_MIN, LONG_LONG_MAX>
{ };
#elif defined(ULONGLONG_MAX) && defined(BOOST_HAS_LONG_LONG)
template<>
class integer_traits< ::boost::long_long_type>
: public std::numeric_limits< ::boost::long_long_type>,
public detail::integer_traits_base< ::boost::long_long_type, LONGLONG_MIN, LONGLONG_MAX>
class integer_traits<unsigned long long>
: public std::numeric_limits<unsigned long long>,
public detail::integer_traits_base<unsigned long long, 0, ULONG_LONG_MAX>
{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, ULONGLONG_MAX>
{ };
#elif defined(_LLONG_MAX) && defined(_C2) && defined(BOOST_HAS_LONG_LONG)
template<>
class integer_traits< ::boost::long_long_type>
: public std::numeric_limits< ::boost::long_long_type>,
public detail::integer_traits_base< ::boost::long_long_type, -_LLONG_MAX - _C2, _LLONG_MAX>
{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, _ULLONG_MAX>
{ };
#elif defined(BOOST_HAS_LONG_LONG)
//
// we have long long but no constants, this happens for example with gcc in -ansi mode,
// we'll just have to work out the values for ourselves (assumes 2's compliment representation):
//
template<>
class integer_traits< ::boost::long_long_type>
: public std::numeric_limits< ::boost::long_long_type>,
public detail::integer_traits_base< ::boost::long_long_type, (1LL << (sizeof(::boost::long_long_type) * CHAR_BIT - 1)), ~(1LL << (sizeof(::boost::long_long_type) * CHAR_BIT - 1))>
{ };
template<>
class integer_traits< ::boost::ulong_long_type>
: public std::numeric_limits< ::boost::ulong_long_type>,
public detail::integer_traits_base< ::boost::ulong_long_type, 0, ~0uLL>
{ };
#elif defined(BOOST_HAS_MS_INT64)
template<>
class integer_traits< __int64>
: public std::numeric_limits< __int64>,
public detail::integer_traits_base< __int64, _I64_MIN, _I64_MAX>
{ };
template<>
class integer_traits< unsigned __int64>
: public std::numeric_limits< unsigned __int64>,
public detail::integer_traits_base< unsigned __int64, 0, _UI64_MAX>
{ };
#endif
#endif
} // namespace boost
#endif /* BOOST_INTEGER_TRAITS_HPP */

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#ifndef BOOST_PENDING_INTEGER_LOG2_HPP
#define BOOST_PENDING_INTEGER_LOG2_HPP
#include <boost/integer/integer_log2.hpp>
#include <boost/config/header_deprecated.hpp>
BOOST_HEADER_DEPRECATED("<boost/integer/integer_log2.hpp>");
#endif

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// boost stdint.h header file ---------------------------------------------//
// (C) Copyright boost.org 1999. Permission to copy, use, modify, sell
// and distribute this software is granted provided this copyright
// notice appears in all copies. This software is provided "as is" without
// express or implied warranty, and with no claim as to its suitability for
// any purpose.
// See http://www.boost.org for most recent version including documentation.
// NOTE WELL: C++ programs are advised to use <boost/cstdint.hpp> rather than
// this header.
// Revision History
// 8 Aug 99 Initial version
#ifndef BOOST_STDINT_H
#define BOOST_STDINT_H
#include <boost/config.hpp>
#ifdef BOOST_SYSTEM_HAS_STDINT_H
#include <stdint.h>
#else
// This is not a complete implementation of the 1999 C Standard stdint.h
// header; it doesn't supply various macros which are not advisable for use in
// C++ programs.
#include <limits.h> // implementation artifact; not part of interface
// These are fairly safe guesses for some 16-bit, and most 32-bit and 64-bit
// platforms. For other systems, they will have to be hand tailored.
// Because the fast types are assumed to be the same as the undecorated types,
// it may be possible to hand tailor a more efficient implementation.
// 8-bit types -------------------------------------------------------------//
# if UCHAR_MAX == 0xff
typedef signed char int8_t;
typedef signed char int_least8_t;
typedef signed char int_fast8_t;
typedef unsigned char uint8_t;
typedef unsigned char uint_least8_t;
typedef unsigned char uint_fast8_t;
# else
# error defaults not correct; you must hand modify boost/stdint.hpp
# endif
// 16-bit types ------------------------------------------------------------//
# if USHRT_MAX == 0xffff
typedef short int16_t;
typedef short int_least16_t;
typedef short int_fast16_t;
typedef unsigned short uint16_t;
typedef unsigned short uint_least16_t;
typedef unsigned short uint_fast16_t;
# else
# error defaults not correct; you must hand modify boost/stdint.hpp
# endif
// 32-bit types ------------------------------------------------------------//
# if UINT_MAX == 0xffffffff
typedef int int32_t;
typedef int int_least32_t;
typedef int int_fast32_t;
typedef unsigned int uint32_t;
typedef unsigned int uint_least32_t;
typedef unsigned int uint_fast32_t;
# elif ULONG_MAX == 0xffffffff
typedef long int32_t;
typedef long int_least32_t;
typedef long int_fast32_t;
typedef unsigned long uint32_t;
typedef unsigned long uint_least32_t;
typedef unsigned long uint_fast32_t;
# else
# error defaults not correct; you must hand modify boost/stdint.hpp
# endif
// 64-bit types + intmax_t and uintmax_t -----------------------------------//
# ifdef ULLONG_MAX
# if ULLONG_MAX == 18446744073709551615 // 2**64 - 1
typedef long long intmax_t;
typedef unsigned long long uintmax_t;
typedef long long int64_t;
typedef long long int_least64_t;
typedef long long int_fast64_t;
typedef unsigned long long uint64_t;
typedef unsigned long long uint_least64_t;
typedef unsigned long long uint_fast64_t;
# else
# error defaults not correct; you must hand modify boost/stdint.hpp
# endif
# elif ULONG_MAX != 0xffffffff
# if ULONG_MAX == 18446744073709551615 // 2**64 - 1
typedef long intmax_t;
typedef unsigned long uintmax_t;
typedef long int64_t;
typedef long int_least64_t;
typedef long int_fast64_t;
typedef unsigned long uint64_t;
typedef unsigned long uint_least64_t;
typedef unsigned long uint_fast64_t;
# else
# error defaults not correct; you must hand modify boost/stdint.hpp
# endif
# else // assume no 64-bit integers
typedef int32_t intmax_t;
typedef uint32_t uintmax_t;
# endif
#endif // BOOST_SYSTEM_HAS_STDINT_H not defined
#endif // BOOST_STDINT_H

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<title>Boost Integer Library</title>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<table border="1" bgcolor="#007F7F" cellpadding="2">
<tr>
<td bgcolor="#FFFFFF"><img src="../../c++boost.gif" alt="c++boost.gif (8819 bytes)" width="277" height="86"></td>
<td><a href="../../index.htm"><font face="Arial" color="#FFFFFF"><big>Home </big></font></a></td>
<td><a href="../../libraries.htm"><font face="Arial" color="#FFFFFF"><big>Libraries </big></font></a></td>
<td><a href="../../people.htm"><font face="Arial" color="#FFFFFF"><big>People </big></font></a></td>
<td><a href="../../more/faq.htm"><font face="Arial" color="#FFFFFF"><big>FAQ </big></font></a></td>
<td><a href="../../more/index.htm"><font face="Arial" color="#FFFFFF"><big>More </big></font></a></td>
</tr>
</table>
<h1>Boost Integer Library</h1>
<table border="1" cellpadding="5">
<tr>
<td align="center"><b><i>Header / Docs</i></b></td>
<td align="center"><b><i>Contents</i></b></td>
<td align="center"><b><i>Use</i></b></td>
</tr>
<tr>
<td align="center"><code><a href="../../boost/cstdint.hpp">&lt;boost/cstdint.hpp&gt;<br>
</a></code><a href="cstdint.htm"><br>
documentation</a>
</td>
<td valign="top">Contents of <code>&lt;boost/stdint.h&gt;</code> wrapped in namespace boost.</td>
<td valign="top">Supplies typedefs for standard integer types such as <code> int32_t</code> or <code>uint_least16_t</code>.
Use in preference to &lt;<code>stdint.h&gt;</code> or<code> &lt;boost/stdint.h&gt;</code>
because the names are safely placed in the boost namespace.</td>
</tr>
<tr>
<td align="center"><code><a href="../../boost/stdint.h">&lt;boost/stdint.h&gt;</a></code></td>
<td valign="top">Typedefs as defined in the C99 standard header &lt;<code>stdint.h&gt;</code>.
This implementation #includes the compiler
supplied &lt;<code>stdint.h&gt;</code>, if present.</td>
<td valign="top"> Supplied
for use in the implementation of &lt;boost/cstdint.hpp&gt; and to ease transition to the C99 standard.
Other uses are not recommended because this header places its names in the global namespace.&nbsp;</td>
</tr>
<tr>
<td align="center"><code><a href="../../boost/integer_traits.hpp">&lt;boost/integer_traits.hpp&gt;</a></code><br>
<br>
<a href="integer_traits.html">documentation</a>
</td>
<td valign="top">Template class <code>boost::integer_traits</code>, derived from <code>std::numeric_limits</code>.&nbsp;
Adds <code>const_min</code> and <code>const_max</code> members.</td>
<td valign="top">Use to obtain the characteristics of a known integer type.</td>
</tr>
<tr>
<td align="center"><code><a href="../../boost/integer.hpp">&lt;boost/integer.hpp&gt;</a><br>
<br>
</code><a href="integer.htm">documentation</a></td>
<td valign="top">Templates for integer type selection based on properties such as
maximum value or number of bits.</td>
<td valign="top">Use to select the type an integer when some property such as maximum value or number of bits is known.
Useful for generic programming. </td>
</tr>
</table>
<h2>Rationale</h2>
<p>The organization of boost integer headers and classes is designed to take
advantage of <code>&lt;stdint.h&gt;</code> types from in the 1999 C standard
without resorting to undefined behavior in terms of
the 1998 C++ standard.&nbsp; The header <code>&lt;boost/cstdint.hpp&gt;</code>
makes the standard integer types safely available in namespace boost without placing any names in the
global namespace or namespace std. As always, the intension is to complement rather than
compete with the C++ Standard Library.&nbsp; Should some future C++ standard
include <code>&lt;stdint.h&gt;</code> and <code>&lt;cstdint&gt;</code>, then <code>&lt;boost/stdint.h&gt;</code> and <code>&lt;boost/cstdint.hpp&gt;</code>
will continue to function, but will become redundant and may be safely deprecated.</p>
<p>Because these are boost headers, their names conform to boost header naming
conventions rather than C++ Standard Library header naming conventions.&nbsp; An
exception is <code>&lt;boost/stdint.h&gt; </code>which uses a <b> .h</b> extension to indicate its C rather than C++ heritage.</p>
<h2>Caveat emptor</h2>
<p>As an
implementation artifact, certain C &lt;limits.h&gt; macro names may possibly be
visible to users of &lt;boost/cstdint.hpp&gt;.&nbsp; Don't use these macros; they are not part of
any Boost specified interface.&nbsp;
Use boost:: integer_traits&lt;&gt; or std::numeric_limits&lt;&gt; instead.</p>
<hr>
<p>Revised: <!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %b %Y" startspan -->05 Mar 2000<!--webbot bot="Timestamp" endspan i-checksum="14882" -->
</p>
</body>
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<html>
<head>
<meta http-equiv="refresh" content="0; URL=doc/html/index.html">
</head>
<body>
Automatic redirection failed, please go to
<a href="doc/html/index.html">doc/html/index.html</a>.
<P>Copyright Beman Dawes, Daryle Walker, Gennaro Prota and John Maddock 2001-2009</P>
<P>Distributed under the Boost Software License, Version 1.0. (See accompanying file <A href="../../LICENSE_1_0.txt">
LICENSE_1_0.txt</A> or copy at <A href="https://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</A>).</P>
</body>
</html>

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<body bgcolor="#FFFFFF" text="#000000">
<h1><img src="../../c++boost.gif" alt="c++boost.gif (8819 bytes)" align="center" width="277" height="86">Integer
Type Selection Templates</h1>
<p>The <code><a href="../../boost/integer.hpp">&lt;boost/integer.hpp&gt;</a></code>
type selection templates allow integer types to be selected based on desired
characteristics such as number of bits or maximum value.&nbsp; This facility is
particularly useful for solving generic programming problems.</p>
<p>The templates <b>int_t&lt;&gt;</b> and <b>uint_t&lt;&gt;</b> supply typedefs <b>least</b>
and <b>fast</b>.&nbsp; The <b>least</b> type be the smallest type which holds at
least the number of bits (including sign) specified. The <b>fast</b> type will
be at least as large as the <b>least</b> type, but may possible be larger.&nbsp;
There is no guarantee that the <b>fast</b> type will actually be faster than
other possible types.</p>
<h2>Alternative</h2>
<p>If the number of bits required is known beforehand, it may be more
appropriate to use the types supplied in <code><a href="../../boost/cstdint.hpp">&lt;boost/cstdint.hpp&gt;</a></code>.</p>
<h2>Synopsis</h2>
<blockquote>
<pre>namespace boost
{
// fast integers from least integers
template&lt; typename LeastInt &gt; // Required: LeastInt is integral type, not bool
struct int_fast_t { typedef LeastInt fast; }; // implementations may specialize
// signed
template&lt; int Bits &gt; // bits (including sign) required, 0-32 valid
struct int_t
{
typedef <i>implementation-supplied</i> least;
typedef int_fast_t&lt;least&gt;::fast fast;
};
// unsigned
template&lt; int Bits &gt; // bits required, 0-32 valid
struct uint_t
{
typedef <i>implementation-supplied</i> least;
typedef int_fast_t&lt;least&gt;::fast fast;
};
} // namespace boost
</pre>
</blockquote>
<p>[Templates to select type based on maximum value are under development.]
</p>
<h2>Example</h2>
<blockquote>
<pre>#include &lt;boost/integer.hpp&gt;
using boost::int_t;
...
int_t&lt;24&gt;::least my_var; </pre>
</blockquote>
<h2>Demonstration Program</h2>
<p>The program <a href="integer_test.cpp">integer_test.cpp</a> is a not very
smart demonstration of the results from instantiating various <b>int_t&lt;&gt;</b>
and <b>uint_t&lt;&gt;</b> examples.</p>
<h2>Rationale</h2>
<p>The rationale for the design of the templates in this header includes:</p>
<ul>
<li>Avoid&nbsp; recursion because of concern about C++'s limited guaranteed
recursion depth (17).</li>
<li>Avoid macros on general principles.</li>
<li>Try to keep the design as simple as possible.</li>
</ul>
<h2>Credits</h2>
<p>The author of the Boost integer type choosing templates is <a href="../../people/beman_dawes.html">Beman
Dawes</a>.&nbsp; He thanks to <a href="../../people/valentin_bonnard.htm"> Valentin Bonnard</a> and
<a href="../../people/kevlin_henney.htm"> Kevlin Henney</a> for sharing their designs for similar templates.</p>
<hr>
<p>Revised&nbsp; August 31, 1999</p>
<p><EFBFBD> Copyright Beman Dawes 1999. Permission to copy, use, modify, sell
and distribute this document is granted provided this copyright notice appears in all
copies. This document is provided &quot;as is&quot; without express or implied warranty,
and with no claim as to its suitability for any purpose.</p>
<p></p>
<p>&nbsp;</p>
</body>
</html>

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// boost integer.hpp test program ------------------------------------------//
// (C) Copyright Beman Dawes 1999. Permission to copy, use, modify, sell
// and distribute this software is granted provided this copyright
// notice appears in all copies. This software is provided "as is" without
// express or implied warranty, and with no claim as to its suitability for
// any purpose.
// See http://www.boost.org for most recent version including documentation.
// Revision History
// 31 Aug 99 Initial version
// This program is misnamed in that it is really a demonstration rather than
// a test. It doesn't detect failure, so isn't worthy of the name "test".
#include <iostream>
#include <boost/integer.hpp>
using namespace boost; // not the best practice, but useful for testing
namespace
{
void test( long ) { std::cout << "long\n"; }
void test( int ) { std::cout << "int\n"; }
void test( short ) { std::cout << "short\n"; }
void test( signed char ) { std::cout << "signed char\n"; }
void test( unsigned long ) { std::cout << "unsigned long\n"; }
void test( unsigned int ) { std::cout << "unsigned int\n"; }
void test( unsigned short ) { std::cout << "unsigned short\n"; }
void test( unsigned char ) { std::cout << "unsigned char\n"; }
} // unnamed namespace
// just to prove it works, specialize int_fast_t<short> to yield long
namespace boost
{
template<> struct int_fast_t<short> { typedef long fast; };
}
int main()
{
std::cout << 32 << ' '; test( int_t<32>::least() );
std::cout << 31 << ' '; test( int_t<31>::least() );
std::cout << 30 << ' '; test( int_t<30>::least() );
std::cout << 29 << ' '; test( int_t<29>::least() );
std::cout << 28 << ' '; test( int_t<28>::least() );
std::cout << 27 << ' '; test( int_t<27>::least() );
std::cout << 26 << ' '; test( int_t<26>::least() );
std::cout << 25 << ' '; test( int_t<25>::least() );
std::cout << 24 << ' '; test( int_t<24>::least() );
std::cout << 23 << ' '; test( int_t<23>::least() );
std::cout << 22 << ' '; test( int_t<22>::least() );
std::cout << 21 << ' '; test( int_t<21>::least() );
std::cout << 20 << ' '; test( int_t<20>::least() );
std::cout << 19 << ' '; test( int_t<19>::least() );
std::cout << 18 << ' '; test( int_t<18>::least() );
std::cout << 17 << ' '; test( int_t<17>::least() );
std::cout << 16 << ' '; test( int_t<16>::least() );
std::cout << 15 << ' '; test( int_t<15>::least() );
std::cout << 14 << ' '; test( int_t<14>::least() );
std::cout << 13 << ' '; test( int_t<13>::least() );
std::cout << 12 << ' '; test( int_t<12>::least() );
std::cout << 11 << ' '; test( int_t<11>::least() );
std::cout << 10 << ' '; test( int_t<10>::least() );
std::cout << 9 << ' '; test( int_t<9>::least() );
std::cout << 8 << ' '; test( int_t<8>::least() );
std::cout << 7 << ' '; test( int_t<7>::least() );
std::cout << 6 << ' '; test( int_t<6>::least() );
std::cout << 5 << ' '; test( int_t<5>::least() );
std::cout << 4 << ' '; test( int_t<4>::least() );
std::cout << 3 << ' '; test( int_t<3>::least() );
std::cout << 2 << ' '; test( int_t<2>::least() );
std::cout << 1 << ' '; test( int_t<1>::least() );
std::cout << 0 << ' '; test( int_t<0>::least() );
std::cout << 32 << ' '; test( int_t<32>::fast() );
std::cout << 31 << ' '; test( int_t<31>::fast() );
std::cout << 30 << ' '; test( int_t<30>::fast() );
std::cout << 29 << ' '; test( int_t<29>::fast() );
std::cout << 28 << ' '; test( int_t<28>::fast() );
std::cout << 27 << ' '; test( int_t<27>::fast() );
std::cout << 26 << ' '; test( int_t<26>::fast() );
std::cout << 25 << ' '; test( int_t<25>::fast() );
std::cout << 24 << ' '; test( int_t<24>::fast() );
std::cout << 23 << ' '; test( int_t<23>::fast() );
std::cout << 22 << ' '; test( int_t<22>::fast() );
std::cout << 21 << ' '; test( int_t<21>::fast() );
std::cout << 20 << ' '; test( int_t<20>::fast() );
std::cout << 19 << ' '; test( int_t<19>::fast() );
std::cout << 18 << ' '; test( int_t<18>::fast() );
std::cout << 17 << ' '; test( int_t<17>::fast() );
std::cout << 16 << ' '; test( int_t<16>::fast() );
std::cout << 15 << ' '; test( int_t<15>::fast() );
std::cout << 14 << ' '; test( int_t<14>::fast() );
std::cout << 13 << ' '; test( int_t<13>::fast() );
std::cout << 12 << ' '; test( int_t<12>::fast() );
std::cout << 11 << ' '; test( int_t<11>::fast() );
std::cout << 10 << ' '; test( int_t<10>::fast() );
std::cout << 9 << ' '; test( int_t<9>::fast() );
std::cout << 8 << ' '; test( int_t<8>::fast() );
std::cout << 7 << ' '; test( int_t<7>::fast() );
std::cout << 6 << ' '; test( int_t<6>::fast() );
std::cout << 5 << ' '; test( int_t<5>::fast() );
std::cout << 4 << ' '; test( int_t<4>::fast() );
std::cout << 3 << ' '; test( int_t<3>::fast() );
std::cout << 2 << ' '; test( int_t<2>::fast() );
std::cout << 1 << ' '; test( int_t<1>::fast() );
std::cout << 0 << ' '; test( int_t<0>::fast() );
std::cout << 32 << ' '; test( uint_t<32>::least() );
std::cout << 31 << ' '; test( uint_t<31>::least() );
std::cout << 30 << ' '; test( uint_t<30>::least() );
std::cout << 29 << ' '; test( uint_t<29>::least() );
std::cout << 28 << ' '; test( uint_t<28>::least() );
std::cout << 27 << ' '; test( uint_t<27>::least() );
std::cout << 26 << ' '; test( uint_t<26>::least() );
std::cout << 25 << ' '; test( uint_t<25>::least() );
std::cout << 24 << ' '; test( uint_t<24>::least() );
std::cout << 23 << ' '; test( uint_t<23>::least() );
std::cout << 22 << ' '; test( uint_t<22>::least() );
std::cout << 21 << ' '; test( uint_t<21>::least() );
std::cout << 20 << ' '; test( uint_t<20>::least() );
std::cout << 19 << ' '; test( uint_t<19>::least() );
std::cout << 18 << ' '; test( uint_t<18>::least() );
std::cout << 17 << ' '; test( uint_t<17>::least() );
std::cout << 16 << ' '; test( uint_t<16>::least() );
std::cout << 15 << ' '; test( uint_t<15>::least() );
std::cout << 14 << ' '; test( uint_t<14>::least() );
std::cout << 13 << ' '; test( uint_t<13>::least() );
std::cout << 12 << ' '; test( uint_t<12>::least() );
std::cout << 11 << ' '; test( uint_t<11>::least() );
std::cout << 10 << ' '; test( uint_t<10>::least() );
std::cout << 9 << ' '; test( uint_t<9>::least() );
std::cout << 8 << ' '; test( uint_t<8>::least() );
std::cout << 7 << ' '; test( uint_t<7>::least() );
std::cout << 6 << ' '; test( uint_t<6>::least() );
std::cout << 5 << ' '; test( uint_t<5>::least() );
std::cout << 4 << ' '; test( uint_t<4>::least() );
std::cout << 3 << ' '; test( uint_t<3>::least() );
std::cout << 2 << ' '; test( uint_t<2>::least() );
std::cout << 1 << ' '; test( uint_t<1>::least() );
std::cout << 0 << ' '; test( uint_t<0>::least() );
std::cout << 32 << ' '; test( uint_t<32>::fast() );
std::cout << 31 << ' '; test( uint_t<31>::fast() );
std::cout << 30 << ' '; test( uint_t<30>::fast() );
std::cout << 29 << ' '; test( uint_t<29>::fast() );
std::cout << 28 << ' '; test( uint_t<28>::fast() );
std::cout << 27 << ' '; test( uint_t<27>::fast() );
std::cout << 26 << ' '; test( uint_t<26>::fast() );
std::cout << 25 << ' '; test( uint_t<25>::fast() );
std::cout << 24 << ' '; test( uint_t<24>::fast() );
std::cout << 23 << ' '; test( uint_t<23>::fast() );
std::cout << 22 << ' '; test( uint_t<22>::fast() );
std::cout << 21 << ' '; test( uint_t<21>::fast() );
std::cout << 20 << ' '; test( uint_t<20>::fast() );
std::cout << 19 << ' '; test( uint_t<19>::fast() );
std::cout << 18 << ' '; test( uint_t<18>::fast() );
std::cout << 17 << ' '; test( uint_t<17>::fast() );
std::cout << 16 << ' '; test( uint_t<16>::fast() );
std::cout << 15 << ' '; test( uint_t<15>::fast() );
std::cout << 14 << ' '; test( uint_t<14>::fast() );
std::cout << 13 << ' '; test( uint_t<13>::fast() );
std::cout << 12 << ' '; test( uint_t<12>::fast() );
std::cout << 11 << ' '; test( uint_t<11>::fast() );
std::cout << 10 << ' '; test( uint_t<10>::fast() );
std::cout << 9 << ' '; test( uint_t<9>::fast() );
std::cout << 8 << ' '; test( uint_t<8>::fast() );
std::cout << 7 << ' '; test( uint_t<7>::fast() );
std::cout << 6 << ' '; test( uint_t<6>::fast() );
std::cout << 5 << ' '; test( uint_t<5>::fast() );
std::cout << 4 << ' '; test( uint_t<4>::fast() );
std::cout << 3 << ' '; test( uint_t<3>::fast() );
std::cout << 2 << ' '; test( uint_t<2>::fast() );
std::cout << 1 << ' '; test( uint_t<1>::fast() );
std::cout << 0 << ' '; test( uint_t<0>::fast() );
return 0;
}

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>integer_traits: Compile-Time Limits for Integral Types</title>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<h1><img src="../../c++boost.gif" alt="c++boost.gif (8819 bytes)" align="center" width="277" height="86">Compile-Time Integral
Type Limits</h1>
<p>
The C++ Standard Library &lt;limits&gt; header supplies a class template
numeric_limits&lt;&gt; with specializations for each fundamental
type.</p>
<p>
For integer types, the interesting members of std::numeric_limits&lt;&gt; are:
<pre> static const bool is_specialized; // will be true for integers
static T min() throw();
static T max() throw();
static const int digits; // for integers, # value bits
static const int digits10;
static const bool is_signed;
static const bool is_integer; // will be true for integers</pre>
For many uses, these are sufficient. But min() and max() are problematical because they are not constant expressions
(std::5.19), yet some usages require constant expressions.
<p>
The template class <code>integer_traits</code> addresses this
problem.
<h2>Header <code><a href="../../boost/integer_traits.hpp">integer_traits.hpp</a></code> Synopsis</h2>
<pre>namespace boost {
template&lt;class T&gt;
class integer_traits : public std::numeric_limits&lt;T&gt;
{
static const bool is_integral = false;
};
// specializations for all integral types
}</pre>
<h2>Description</h2>
Template class <code>integer_traits</code> is derived from
<code>std::numeric_limits</code>. In general, it adds the single
<code>bool</code> member <code>is_integral</code> with the
compile-time constant value <code>false</code>. However, for all
integral types <code>T</code> (std::3.9.1/7 [basic.fundamental]),
there are specializations provided with the following compile-time
constants defined:
<p>
<table border=1>
<tr><th>member</th><th>type</th><th>value</th></tr>
<tr><td><code>is_integral</code></td><td>bool</td><td><code>true</code></td></tr>
<tr><td><code>const_min</code></td><td><code>T</code></td><td>equivalent
to <code>std::numeric_limits&lt;T&gt;::min()</code></td></tr>
<tr><td><code>const_max</code></td><td><code>T</code></td><td>equivalent
to <code>std::numeric_limits&lt;T&gt;::max()</code></td></tr>
</table>
<p>
<em>Note:</em> A flag <code>is_integral</code> is provided, because a
user-defined integer class should specialize
<code>std::numeric_limits&lt;&gt;::is_integer = true</code>,
nonetheless compile-time constants <code>const_min</code> and
<code>const_max</code> cannot be provided for that user-defined class.
<h2>
Test Program</h2>
<p>
The program <code><a href="integer_traits_test.cpp">integer_traits_test.cpp</a></code>
exercises the <code>integer_traits</code> class.
<h2>Acknowledgements</h2>
Beman Dawes, Ed Brey, Steve Cleary, and Nathan Myers discussed the integer
traits idea on the boost mailing list in August 1999.
<hr>
<a href="../../people/jens_maurer.htm">
Jens Maurer</a>, 2000-02-20

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/* boost integer_traits.hpp tests
*
* Copyright Jens Maurer 2000
* Permission to use, copy, modify, sell, and distribute this software
* is hereby granted without free provided that the above copyright notice
* appears in all copies and that both that copyright notice and this
* permission notice appear in supporting documentation,
*
* Jens Maurer makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* $Id$
*
* Revision history
* 2000-02-22 Small improvements by Beman Dawes
* 2000-06-27 Rework for better MSVC and BCC co-operation
*/
#include <iostream>
#include <cassert>
#include <boost/integer_traits.hpp>
#ifdef NDEBUG
#error This test relies on assert() and thus makes no sense with NDEBUG defined
#endif
// enable if you have "long long" and the proper macros in <limits.h>
#undef HAVE_LONG_LONG
/*
* General portability note:
* MSVC mis-compiles explicit function template instantiations.
* For example, f<A>() and f<B>() are both compiled to call f<A>().
* BCC is unable to implicitly convert a "const char *" to a std::string
* when using explicit function template instantiations.
*
* Therefore, avoid explicit function template instantiations.
*/
template<class T>
void runtest(const char * type, T)
{
typedef boost::integer_traits<T> traits;
std::cout << "Checking " << type
<< "; min is " << traits::min()
<< ", max is " << traits::max()
<< std::endl;
assert(traits::is_specialized);
assert(traits::is_integer);
assert(traits::is_integral);
assert(traits::const_min == traits::min());
assert(traits::const_max == traits::max());
}
int main()
{
runtest("bool", bool());
runtest("char", char());
typedef signed char signed_char;
runtest("signed char", signed_char());
typedef unsigned char unsigned_char;
runtest("unsigned char", unsigned_char());
runtest("short", short());
typedef unsigned short unsigned_short;
runtest("unsigned short", unsigned_short());
runtest("int", int());
typedef unsigned int unsigned_int;
runtest("unsigned int", unsigned_int());
runtest("long", long());
typedef unsigned long unsigned_long;
runtest("unsigned long", unsigned_long());
#ifdef HAVE_LONG_LONG
typedef long long long_long;
runtest("long long", long_long());
typedef unsigned long long unsigned_long_long;
runtest("unsigned long long", unsigned_long_long());
#endif
// Some compilers don't pay attention to std:3.6.1/5 and issue a
// warning here if "return 0;" is omitted.
return 0;
}

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{
"key": "integer",
"name": "Integer",
"description": "The organization of boost integer headers and classes is designed to take advantage of <stdint.h> types from the 1999 C standard without resorting to undefined behavior in terms of the 1998 C++ standard. The header <boost/cstdint.hpp> makes the standard integer types safely available in namespace boost without placing any names in namespace std.",
"category": [
"Math"
],
"authors": "",
"maintainers": [
"Daryle Walker <darylew -at- hotmail.com>",
"Andrey Semashev <andrey.semashev -at- gmail.com>"
],
"cxxstd": "03"
}

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#~ Copyright Rene Rivera 2008
#~ Distributed under the Boost Software License, Version 1.0.
#~ (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
import testing ;
import ../../config/checks/config : requires ;
project : requirements <warnings>all <toolset>gcc:<cxxflags>-Wextra ;
obj has_gmpxx : has_gmpxx.cpp ;
explicit has_gmpxx ;
test-suite integer
:
[ run integer_traits_test.cpp ]
[ run integer_test.cpp : : : <toolset>gcc:<cxxflags>-Wno-long-long <toolset>darwin:<cxxflags>-Wno-long-long <toolset>sun:<cxxflags>"-Qoption ccfe -tmpldepth=128" ]
[ run integer_mask_test.cpp ]
[ run integer_log2_test.cpp ]
[ run static_log2_test.cpp ]
[ run static_min_max_test.cpp ]
[ run extended_euclidean_test.cpp ]
[ run mod_inverse_test.cpp ]
[ compile integer_traits_include_test.cpp ]
[ compile integer_include_test.cpp ]
[ compile integer_mask_include_test.cpp ]
[ compile static_log2_include_test.cpp ]
[ compile static_min_max_include_test.cpp ]
[ compile integer_fwd_include_test.cpp ]
[ compile gcd_constexpr14_test.cpp ]
[ compile gcd_noexcept_test.cpp ]
[ compile-fail fail_int_exact.cpp ]
[ compile-fail fail_int_fast.cpp ]
[ compile-fail fail_int_least.cpp ]
[ compile-fail fail_uint_exact.cpp ]
[ compile-fail fail_uint_fast.cpp ]
[ compile-fail fail_uint_least.cpp ]
[ compile-fail fail_uint_65.cpp ]
[ run common_factor_test.cpp : : : [ check-target-builds has_gmpxx "Checking for gmpxx.h" : <define>BOOST_INTEGER_HAS_GMPXX_H=1 <linkflags>-lgmp <linkflags>-lgmpxx ] ]
;

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// Boost GCD & LCM common_factor.hpp test program --------------------------//
// (C) Copyright Daryle Walker 2001, 2006.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for most recent version including documentation.
// Revision History
// 01 Dec 2006 Various fixes for old compilers (Joaquin M Lopez Munoz)
// 10 Nov 2006 Make long long and __int64 mutually exclusive (Daryle Walker)
// 04 Nov 2006 Use more built-in numeric types, binary-GCD (Daryle Walker)
// 03 Nov 2006 Use custom numeric types (Daryle Walker)
// 02 Nov 2006 Change to Boost.Test's unit test system (Daryle Walker)
// 07 Nov 2001 Initial version (Daryle Walker)
#define BOOST_TEST_MAIN "Boost.integer GCD & LCM unit tests"
#include <boost/config.hpp> // for BOOST_MSVC, etc.
#include <boost/detail/workaround.hpp>
#include <boost/integer/common_factor.hpp> // for boost::integer::gcd, etc.
#include <boost/mpl/list.hpp> // for boost::mpl::list
#include <boost/operators.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int.hpp>
#include <boost/rational.hpp>
#include <istream> // for std::basic_istream
#include <limits> // for std::numeric_limits
#include <ostream> // for std::basic_ostream
#ifdef BOOST_INTEGER_HAS_GMPXX_H
#include <gmpxx.h>
#endif
#include "multiprecision_config.hpp"
#ifndef DISABLE_MP_TESTS
#include <boost/multiprecision/cpp_int.hpp>
#endif
namespace {
// TODO: add polynominal/non-real type; especially after any switch to the
// binary-GCD algorithm for built-in types
// Custom integer class (template)
template < typename IntType, int ID = 0 >
class my_wrapped_integer
: private ::boost::shiftable1<my_wrapped_integer<IntType, ID>,
::boost::operators<my_wrapped_integer<IntType, ID> > >
{
// Helper type-aliases
typedef my_wrapped_integer self_type;
typedef IntType self_type::* bool_type;
// Member data
IntType v_;
public:
// Template parameters
typedef IntType int_type;
BOOST_STATIC_CONSTANT(int,id = ID);
// Lifetime management (use automatic destructor and copy constructor)
my_wrapped_integer( int_type const &v = int_type() ) : v_( v ) {}
// Accessors
int_type value() const { return this->v_; }
// Operators (use automatic copy assignment)
operator bool_type() const { return this->v_ ? &self_type::v_ : 0; }
self_type & operator ++() { ++this->v_; return *this; }
self_type & operator --() { --this->v_; return *this; }
self_type operator ~() const { return self_type( ~this->v_ ); }
self_type operator !() const { return self_type( !this->v_ ); }
self_type operator +() const { return self_type( +this->v_ ); }
self_type operator -() const { return self_type( -this->v_ ); }
bool operator <( self_type const &r ) const { return this->v_ < r.v_; }
bool operator ==( self_type const &r ) const { return this->v_ == r.v_; }
self_type &operator *=(self_type const &r) {this->v_ *= r.v_; return *this;}
self_type &operator /=(self_type const &r) {this->v_ /= r.v_; return *this;}
self_type &operator %=(self_type const &r) {this->v_ %= r.v_; return *this;}
self_type &operator +=(self_type const &r) {this->v_ += r.v_; return *this;}
self_type &operator -=(self_type const &r) {this->v_ -= r.v_; return *this;}
self_type &operator<<=(self_type const &r){this->v_ <<= r.v_; return *this;}
self_type &operator>>=(self_type const &r){this->v_ >>= r.v_; return *this;}
self_type &operator &=(self_type const &r) {this->v_ &= r.v_; return *this;}
self_type &operator |=(self_type const &r) {this->v_ |= r.v_; return *this;}
self_type &operator ^=(self_type const &r) {this->v_ ^= r.v_; return *this;}
// Input & output
friend std::istream & operator >>( std::istream &i, self_type &x )
{ return i >> x.v_; }
friend std::ostream & operator <<( std::ostream &o, self_type const &x )
{ return o << x.v_; }
}; // my_wrapped_integer
template < typename IntType, int ID >
my_wrapped_integer<IntType, ID> abs( my_wrapped_integer<IntType, ID> const &x )
{ return ( x < my_wrapped_integer<IntType, ID>(0) ) ? -x : +x; }
typedef my_wrapped_integer<int> MyInt1;
typedef my_wrapped_integer<unsigned> MyUnsigned1;
typedef my_wrapped_integer<int, 1> MyInt2;
typedef my_wrapped_integer<unsigned, 1> MyUnsigned2;
// Without these explicit instantiations, MSVC++ 6.5/7.0 does not find
// some friend operators in certain contexts.
MyInt1 dummy1;
MyUnsigned1 dummy2;
MyInt2 dummy3;
MyUnsigned2 dummy4;
// Various types to test with each GCD/LCM
typedef ::boost::mpl::list<signed char, short, int, long,
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1500)
#elif defined(BOOST_HAS_LONG_LONG)
boost::long_long_type,
#elif defined(BOOST_HAS_MS_INT64)
__int64,
#endif
MyInt1
#ifndef DISABLE_MP_TESTS
, boost::multiprecision::cpp_int
#endif
> signed_test_types;
typedef ::boost::mpl::list<unsigned char, unsigned short, unsigned,
unsigned long,
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1500)
#elif defined(BOOST_HAS_LONG_LONG)
boost::ulong_long_type,
#elif defined(BOOST_HAS_MS_INT64)
unsigned __int64,
#endif
MyUnsigned1, MyUnsigned2 /*, boost::multiprecision::uint256_t*/> unsigned_test_types;
} // namespace
#define BOOST_NO_MACRO_EXPAND /**/
// Specialize numeric_limits for _some_ of our types
namespace std
{
template < >
class numeric_limits< MyInt1 >
{
typedef MyInt1::int_type int_type;
typedef numeric_limits<int_type> limits_type;
public:
BOOST_STATIC_CONSTANT(bool, is_specialized = limits_type::is_specialized);
static MyInt1 min BOOST_NO_MACRO_EXPAND() throw() { return (limits_type::min)(); }
static MyInt1 max BOOST_NO_MACRO_EXPAND() throw() { return (limits_type::max)(); }
BOOST_STATIC_CONSTANT(int, digits = limits_type::digits);
BOOST_STATIC_CONSTANT(int, digits10 = limits_type::digits10);
#ifndef BOOST_NO_CXX11_NUMERIC_LIMITS
BOOST_STATIC_CONSTANT(int, max_digits10 = limits_type::max_digits10);
#endif
BOOST_STATIC_CONSTANT(bool, is_signed = limits_type::is_signed);
BOOST_STATIC_CONSTANT(bool, is_integer = limits_type::is_integer);
BOOST_STATIC_CONSTANT(bool, is_exact = limits_type::is_exact);
BOOST_STATIC_CONSTANT(int, radix = limits_type::radix);
static MyInt1 epsilon() throw() { return limits_type::epsilon(); }
static MyInt1 round_error() throw() { return limits_type::round_error(); }
BOOST_STATIC_CONSTANT(int, min_exponent = limits_type::min_exponent);
BOOST_STATIC_CONSTANT(int, min_exponent10 = limits_type::min_exponent10);
BOOST_STATIC_CONSTANT(int, max_exponent = limits_type::max_exponent);
BOOST_STATIC_CONSTANT(int, max_exponent10 = limits_type::max_exponent10);
BOOST_STATIC_CONSTANT(bool, has_infinity = limits_type::has_infinity);
BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = limits_type::has_quiet_NaN);
BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = limits_type::has_signaling_NaN);
BOOST_STATIC_CONSTANT(float_denorm_style, has_denorm = limits_type::has_denorm);
BOOST_STATIC_CONSTANT(bool, has_denorm_loss = limits_type::has_denorm_loss);
static MyInt1 infinity() throw() { return limits_type::infinity(); }
static MyInt1 quiet_NaN() throw() { return limits_type::quiet_NaN(); }
static MyInt1 signaling_NaN() throw() {return limits_type::signaling_NaN();}
static MyInt1 denorm_min() throw() { return limits_type::denorm_min(); }
BOOST_STATIC_CONSTANT(bool, is_iec559 = limits_type::is_iec559);
BOOST_STATIC_CONSTANT(bool, is_bounded = limits_type::is_bounded);
BOOST_STATIC_CONSTANT(bool, is_modulo = limits_type::is_modulo);
BOOST_STATIC_CONSTANT(bool, traps = limits_type::traps);
BOOST_STATIC_CONSTANT(bool, tinyness_before = limits_type::tinyness_before);
BOOST_STATIC_CONSTANT(float_round_style, round_style = limits_type::round_style);
}; // std::numeric_limits<MyInt1>
template < >
class numeric_limits< MyUnsigned1 >
{
typedef MyUnsigned1::int_type int_type;
typedef numeric_limits<int_type> limits_type;
public:
BOOST_STATIC_CONSTANT(bool, is_specialized = limits_type::is_specialized);
static MyUnsigned1 min BOOST_NO_MACRO_EXPAND() throw() { return (limits_type::min)(); }
static MyUnsigned1 max BOOST_NO_MACRO_EXPAND() throw() { return (limits_type::max)(); }
BOOST_STATIC_CONSTANT(int, digits = limits_type::digits);
BOOST_STATIC_CONSTANT(int, digits10 = limits_type::digits10);
#ifndef BOOST_NO_CXX11_NUMERIC_LIMITS
BOOST_STATIC_CONSTANT(int, max_digits10 = limits_type::max_digits10);
#endif
BOOST_STATIC_CONSTANT(bool, is_signed = limits_type::is_signed);
BOOST_STATIC_CONSTANT(bool, is_integer = limits_type::is_integer);
BOOST_STATIC_CONSTANT(bool, is_exact = limits_type::is_exact);
BOOST_STATIC_CONSTANT(int, radix = limits_type::radix);
static MyUnsigned1 epsilon() throw() { return limits_type::epsilon(); }
static MyUnsigned1 round_error() throw(){return limits_type::round_error();}
BOOST_STATIC_CONSTANT(int, min_exponent = limits_type::min_exponent);
BOOST_STATIC_CONSTANT(int, min_exponent10 = limits_type::min_exponent10);
BOOST_STATIC_CONSTANT(int, max_exponent = limits_type::max_exponent);
BOOST_STATIC_CONSTANT(int, max_exponent10 = limits_type::max_exponent10);
BOOST_STATIC_CONSTANT(bool, has_infinity = limits_type::has_infinity);
BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = limits_type::has_quiet_NaN);
BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = limits_type::has_signaling_NaN);
BOOST_STATIC_CONSTANT(float_denorm_style, has_denorm = limits_type::has_denorm);
BOOST_STATIC_CONSTANT(bool, has_denorm_loss = limits_type::has_denorm_loss);
static MyUnsigned1 infinity() throw() { return limits_type::infinity(); }
static MyUnsigned1 quiet_NaN() throw() { return limits_type::quiet_NaN(); }
static MyUnsigned1 signaling_NaN() throw()
{ return limits_type::signaling_NaN(); }
static MyUnsigned1 denorm_min() throw(){ return limits_type::denorm_min(); }
BOOST_STATIC_CONSTANT(bool, is_iec559 = limits_type::is_iec559);
BOOST_STATIC_CONSTANT(bool, is_bounded = limits_type::is_bounded);
BOOST_STATIC_CONSTANT(bool, is_modulo = limits_type::is_modulo);
BOOST_STATIC_CONSTANT(bool, traps = limits_type::traps);
BOOST_STATIC_CONSTANT(bool, tinyness_before = limits_type::tinyness_before);
BOOST_STATIC_CONSTANT(float_round_style, round_style = limits_type::round_style);
}; // std::numeric_limits<MyUnsigned1>
#if BOOST_WORKAROUND(BOOST_MSVC,<1300)
// MSVC 6.0 lacks operator<< for __int64, see
// https://support.microsoft.com/kb/168440/
inline ostream& operator<<(ostream& os, __int64 i)
{
char buf[20];
sprintf(buf,"%I64d", i);
os << buf;
return os;
}
inline ostream& operator<<(ostream& os, unsigned __int64 i)
{
char buf[20];
sprintf(buf,"%I64u", i);
os << buf;
return os;
}
#endif
} // namespace std
// GCD tests
// GCD on signed integer types
template< class T > void gcd_int_test() // signed_test_types
{
#ifndef BOOST_MSVC
using boost::integer::gcd;
using boost::integer::gcd_evaluator;
#else
using namespace boost::integer;
#endif
// Originally from Boost.Rational tests
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(1), static_cast<T>(-1)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(-1), static_cast<T>(1)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(1), static_cast<T>(1)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(-1), static_cast<T>(-1)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(0), static_cast<T>(0)), static_cast<T>( 0) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(7), static_cast<T>(0)), static_cast<T>( 7) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(0), static_cast<T>(9)), static_cast<T>( 9) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(-7), static_cast<T>(0)), static_cast<T>( 7) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(0), static_cast<T>(-9)), static_cast<T>( 9) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(42), static_cast<T>(30)), static_cast<T>( 6) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(6), static_cast<T>(-9)), static_cast<T>( 3) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(-10), static_cast<T>(-10)), static_cast<T>(10) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(-25), static_cast<T>(-10)), static_cast<T>( 5) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(3), static_cast<T>(7)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(8), static_cast<T>(9)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(7), static_cast<T>(49)), static_cast<T>( 7) );
// Again with function object:
BOOST_TEST_EQ(gcd_evaluator<T>()(1, -1), static_cast<T>(1));
BOOST_TEST_EQ(gcd_evaluator<T>()(-1, 1), static_cast<T>(1));
BOOST_TEST_EQ(gcd_evaluator<T>()(1, 1), static_cast<T>(1));
BOOST_TEST_EQ(gcd_evaluator<T>()(-1, -1), static_cast<T>(1));
BOOST_TEST_EQ(gcd_evaluator<T>()(0, 0), static_cast<T>(0));
BOOST_TEST_EQ(gcd_evaluator<T>()(7, 0), static_cast<T>(7));
BOOST_TEST_EQ(gcd_evaluator<T>()(0, 9), static_cast<T>(9));
BOOST_TEST_EQ(gcd_evaluator<T>()(-7, 0), static_cast<T>(7));
BOOST_TEST_EQ(gcd_evaluator<T>()(0, -9), static_cast<T>(9));
BOOST_TEST_EQ(gcd_evaluator<T>()(42, 30), static_cast<T>(6));
BOOST_TEST_EQ(gcd_evaluator<T>()(6, -9), static_cast<T>(3));
BOOST_TEST_EQ(gcd_evaluator<T>()(-10, -10), static_cast<T>(10));
BOOST_TEST_EQ(gcd_evaluator<T>()(-25, -10), static_cast<T>(5));
BOOST_TEST_EQ(gcd_evaluator<T>()(3, 7), static_cast<T>(1));
BOOST_TEST_EQ(gcd_evaluator<T>()(8, 9), static_cast<T>(1));
BOOST_TEST_EQ(gcd_evaluator<T>()(7, 49), static_cast<T>(7));
}
// GCD on unmarked signed integer type
void gcd_unmarked_int_test()
{
#ifndef BOOST_MSVC
using boost::integer::gcd;
#else
using namespace boost::integer;
#endif
// The regular signed-integer GCD function performs the unsigned version,
// then does an absolute-value on the result. Signed types that are not
// marked as such (due to no std::numeric_limits specialization) may be off
// by a sign.
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(1), static_cast<MyInt2>(-1) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(-1), static_cast<MyInt2>(1) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(1), static_cast<MyInt2>(1) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(-1), static_cast<MyInt2>(-1) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(0), static_cast<MyInt2>(0) )), MyInt2( 0) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(7), static_cast<MyInt2>(0) )), MyInt2( 7) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(0), static_cast<MyInt2>(9) )), MyInt2( 9) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(-7), static_cast<MyInt2>(0) )), MyInt2( 7) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(0), static_cast<MyInt2>(-9) )), MyInt2( 9) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(42), static_cast<MyInt2>(30))), MyInt2( 6) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(6), static_cast<MyInt2>(-9) )), MyInt2( 3) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(-10), static_cast<MyInt2>(-10) )), MyInt2(10) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(-25), static_cast<MyInt2>(-10) )), MyInt2( 5) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(3), static_cast<MyInt2>(7) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(8), static_cast<MyInt2>(9) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::gcd(static_cast<MyInt2>(7), static_cast<MyInt2>(49) )), MyInt2( 7) );
}
// GCD on unsigned integer types
template< class T > void gcd_unsigned_test() // unsigned_test_types
{
#ifndef BOOST_MSVC
using boost::integer::gcd;
#else
using namespace boost::integer;
#endif
// Note that unmarked types (i.e. have no std::numeric_limits
// specialization) are treated like non/unsigned types
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(1u), static_cast<T>(1u)), static_cast<T>( 1u) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(0u), static_cast<T>(0u)), static_cast<T>( 0u) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(7u), static_cast<T>(0u)), static_cast<T>( 7u) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(0u), static_cast<T>(9u)), static_cast<T>( 9u) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(42u), static_cast<T>(30u)), static_cast<T>( 6u) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(3u), static_cast<T>(7u)), static_cast<T>( 1u) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(8u), static_cast<T>(9u)), static_cast<T>( 1u) );
BOOST_TEST_EQ( boost::integer::gcd(static_cast<T>(7u), static_cast<T>(49u)), static_cast<T>( 7u) );
}
// GCD at compile-time
void gcd_static_test()
{
#ifndef BOOST_MSVC
using boost::integer::static_gcd;
#else
using namespace boost::integer;
#endif
// Can't use "BOOST_TEST_EQ", otherwise the "value" member will be
// disqualified as compile-time-only constant, needing explicit definition
BOOST_TEST( (static_gcd< 1, 1>::value) == 1 );
BOOST_TEST( (static_gcd< 0, 0>::value) == 0 );
BOOST_TEST( (static_gcd< 7, 0>::value) == 7 );
BOOST_TEST( (static_gcd< 0, 9>::value) == 9 );
BOOST_TEST( (static_gcd<42, 30>::value) == 6 );
BOOST_TEST( (static_gcd< 3, 7>::value) == 1 );
BOOST_TEST( (static_gcd< 8, 9>::value) == 1 );
BOOST_TEST( (static_gcd< 7, 49>::value) == 7 );
}
void gcd_method_test()
{
// Verify that the 3 different methods all yield the same result:
boost::random::mt19937 gen;
boost::random::uniform_int_distribution<int> d(0, ((std::numeric_limits<int>::max)() / 2));
for (unsigned int i = 0; i < 10000; ++i)
{
int v1 = d(gen);
int v2 = d(gen);
int g = boost::integer::gcd_detail::Euclid_gcd(v1, v2);
BOOST_TEST(v1 % g == 0);
BOOST_TEST(v2 % g == 0);
BOOST_TEST_EQ(g, boost::integer::gcd_detail::mixed_binary_gcd(v1, v2));
BOOST_TEST_EQ(g, boost::integer::gcd_detail::Stein_gcd(v1, v2));
}
}
// LCM tests
// LCM on signed integer types
template< class T > void lcm_int_test() // signed_test_types
{
#ifndef BOOST_MSVC
using boost::integer::lcm;
using boost::integer::lcm_evaluator;
#else
using namespace boost::integer;
#endif
// Originally from Boost.Rational tests
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(1), static_cast<T>(-1)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(-1), static_cast<T>(1)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(1), static_cast<T>(1)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(-1), static_cast<T>(-1)), static_cast<T>( 1) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(0), static_cast<T>(0)), static_cast<T>( 0) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(6), static_cast<T>(0)), static_cast<T>( 0) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(0), static_cast<T>(7)), static_cast<T>( 0) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(-5), static_cast<T>(0)), static_cast<T>( 0) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(0), static_cast<T>(-4)), static_cast<T>( 0) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(18), static_cast<T>(30)), static_cast<T>(90) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(-6), static_cast<T>(9)), static_cast<T>(18) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(-10), static_cast<T>(-10)), static_cast<T>(10) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(25), static_cast<T>(-10)), static_cast<T>(50) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(3), static_cast<T>(7)), static_cast<T>(21) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(8), static_cast<T>(9)), static_cast<T>(72) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(7), static_cast<T>(49)), static_cast<T>(49) );
// Again with function object:
BOOST_TEST_EQ(lcm_evaluator<T>()(1, -1), static_cast<T>(1));
BOOST_TEST_EQ(lcm_evaluator<T>()(-1, 1), static_cast<T>(1));
BOOST_TEST_EQ(lcm_evaluator<T>()(1, 1), static_cast<T>(1));
BOOST_TEST_EQ(lcm_evaluator<T>()(-1, -1), static_cast<T>(1));
BOOST_TEST_EQ(lcm_evaluator<T>()(0, 0), static_cast<T>(0));
BOOST_TEST_EQ(lcm_evaluator<T>()(6, 0), static_cast<T>(0));
BOOST_TEST_EQ(lcm_evaluator<T>()(0, 7), static_cast<T>(0));
BOOST_TEST_EQ(lcm_evaluator<T>()(-5, 0), static_cast<T>(0));
BOOST_TEST_EQ(lcm_evaluator<T>()(0, -4), static_cast<T>(0));
BOOST_TEST_EQ(lcm_evaluator<T>()(18, 30), static_cast<T>(90));
BOOST_TEST_EQ(lcm_evaluator<T>()(-6, 9), static_cast<T>(18));
BOOST_TEST_EQ(lcm_evaluator<T>()(-10, -10), static_cast<T>(10));
BOOST_TEST_EQ(lcm_evaluator<T>()(25, -10), static_cast<T>(50));
BOOST_TEST_EQ(lcm_evaluator<T>()(3, 7), static_cast<T>(21));
BOOST_TEST_EQ(lcm_evaluator<T>()(8, 9), static_cast<T>(72));
BOOST_TEST_EQ(lcm_evaluator<T>()(7, 49), static_cast<T>(49));
}
// LCM on unmarked signed integer type
void lcm_unmarked_int_test()
{
#ifndef BOOST_MSVC
using boost::integer::lcm;
#else
using namespace boost::integer;
#endif
// The regular signed-integer LCM function performs the unsigned version,
// then does an absolute-value on the result. Signed types that are not
// marked as such (due to no std::numeric_limits specialization) may be off
// by a sign.
BOOST_TEST_EQ( abs(boost::integer::lcm( static_cast<MyInt2>(1), static_cast<MyInt2>(-1) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(-1), static_cast<MyInt2>(1) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(1), static_cast<MyInt2>(1) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(-1), static_cast<MyInt2>(-1) )), MyInt2( 1) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(0), static_cast<MyInt2>(0) )), MyInt2( 0) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(6), static_cast<MyInt2>(0) )), MyInt2( 0) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(0), static_cast<MyInt2>(7) )), MyInt2( 0) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(-5), static_cast<MyInt2>(0) )), MyInt2( 0) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(0), static_cast<MyInt2>(-4) )), MyInt2( 0) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(18), static_cast<MyInt2>(30) )), MyInt2(90) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(-6), static_cast<MyInt2>(9) )), MyInt2(18) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(-10), static_cast<MyInt2>(-10) )), MyInt2(10) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(25), static_cast<MyInt2>(-10) )), MyInt2(50) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(3), static_cast<MyInt2>(7) )), MyInt2(21) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(8), static_cast<MyInt2>(9) )), MyInt2(72) );
BOOST_TEST_EQ( abs(boost::integer::lcm(static_cast<MyInt2>(7), static_cast<MyInt2>(49) )), MyInt2(49) );
}
// LCM on unsigned integer types
template< class T > void lcm_unsigned_test() // unsigned_test_types
{
#ifndef BOOST_MSVC
using boost::integer::lcm;
#else
using namespace boost::integer;
#endif
// Note that unmarked types (i.e. have no std::numeric_limits
// specialization) are treated like non/unsigned types
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(1u), static_cast<T>(1u)), static_cast<T>( 1u) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(0u), static_cast<T>(0u)), static_cast<T>( 0u) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(6u), static_cast<T>(0u)), static_cast<T>( 0u) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(0u), static_cast<T>(7u)), static_cast<T>( 0u) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(18u), static_cast<T>(30u)), static_cast<T>(90u) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(3u), static_cast<T>(7u)), static_cast<T>(21u) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(8u), static_cast<T>(9u)), static_cast<T>(72u) );
BOOST_TEST_EQ( boost::integer::lcm(static_cast<T>(7u), static_cast<T>(49u)), static_cast<T>(49u) );
}
// LCM at compile-time
void lcm_static_test()
{
#ifndef BOOST_MSVC
using boost::integer::static_lcm;
#else
using namespace boost::integer;
#endif
// Can't use "BOOST_TEST_EQ", otherwise the "value" member will be
// disqualified as compile-time-only constant, needing explicit definition
BOOST_TEST( (static_lcm< 1, 1>::value) == 1 );
BOOST_TEST( (static_lcm< 0, 0>::value) == 0 );
BOOST_TEST( (static_lcm< 6, 0>::value) == 0 );
BOOST_TEST( (static_lcm< 0, 7>::value) == 0 );
BOOST_TEST( (static_lcm<18, 30>::value) == 90 );
BOOST_TEST( (static_lcm< 3, 7>::value) == 21 );
BOOST_TEST( (static_lcm< 8, 9>::value) == 72 );
BOOST_TEST( (static_lcm< 7, 49>::value) == 49 );
}
void variadics()
{
unsigned i[] = { 44, 56, 76, 88 };
BOOST_TEST_EQ(boost::integer::gcd_range(i, i + 4).first, 4);
BOOST_TEST_EQ(boost::integer::gcd_range(i, i + 4).second, i + 4);
BOOST_TEST_EQ(boost::integer::lcm_range(i, i + 4).first, 11704);
BOOST_TEST_EQ(boost::integer::lcm_range(i, i + 4).second, i + 4);
unsigned i_gcd_unity[] = { 44, 56, 1, 88 };
BOOST_TEST_EQ(boost::integer::gcd_range(i_gcd_unity, i_gcd_unity + 4).first, 1);
BOOST_TEST_EQ(boost::integer::gcd_range(i_gcd_unity, i_gcd_unity + 4).second, i_gcd_unity + 3);
unsigned i_lcm_unity[] = { 44, 56, 0, 88 };
BOOST_TEST_EQ(boost::integer::lcm_range(i_lcm_unity, i_lcm_unity + 4).first, 0);
BOOST_TEST_EQ(boost::integer::lcm_range(i_lcm_unity, i_lcm_unity + 4).second, i_lcm_unity + 3);
#ifndef BOOST_NO_CXX11_VARIADIC_TEMPLATES
BOOST_TEST_EQ(boost::integer::gcd(i[0], i[1], i[2], i[3]), 4);
BOOST_TEST_EQ(boost::integer::lcm(i[0], i[1], i[2], i[3]), 11704);
#endif
}
// Test case from Boost.Rational, need to make sure we don't break the rational lib:
template <class T> void gcd_and_lcm_on_rationals()
{
typedef boost::rational<T> rational;
BOOST_TEST_EQ(boost::integer::gcd(rational(1, 4), rational(1, 3)),
rational(1, 12));
BOOST_TEST_EQ(boost::integer::lcm(rational(1, 4), rational(1, 3)),
rational(1));
}
#ifndef DISABLE_MP_TESTS
#define TEST_SIGNED_( test ) \
test<signed char>(); \
test<short>(); \
test<int>(); \
test<long>(); \
test<MyInt1>(); \
test<boost::multiprecision::cpp_int>(); \
test<boost::multiprecision::int512_t>();
#else
#define TEST_SIGNED_( test ) \
test<signed char>(); \
test<short>(); \
test<int>(); \
test<long>(); \
test<MyInt1>();
#endif
#ifdef BOOST_HAS_LONG_LONG
# define TEST_SIGNED__( test ) \
TEST_SIGNED_( test ) \
test<boost::long_long_type>();
#elif defined(BOOST_HAS_MS_INT64)
# define TEST_SIGNED__( test ) \
TEST_SIGNED_( test ) \
test<__int64>();
#endif
#ifndef DISABLE_MP_TESTS
#define TEST_UNSIGNED_( test ) \
test<unsigned char>(); \
test<unsigned short>(); \
test<unsigned>(); \
test<unsigned long>(); \
test<MyUnsigned1>(); \
test<MyUnsigned2>(); \
test<boost::multiprecision::uint512_t>();
#else
#define TEST_UNSIGNED_( test ) \
test<unsigned char>(); \
test<unsigned short>(); \
test<unsigned>(); \
test<unsigned long>(); \
test<MyUnsigned1>(); \
test<MyUnsigned2>();
#endif
#ifdef BOOST_HAS_LONG_LONG
# define TEST_UNSIGNED( test ) \
TEST_UNSIGNED_( test ) \
test<boost::ulong_long_type>();
#elif defined(BOOST_HAS_MS_INT64)
# define TEST_UNSIGNED( test ) \
TEST_UNSIGNED_( test ) \
test<unsigned __int64>();
#endif
#ifdef BOOST_INTEGER_HAS_GMPXX_H
# define TEST_SIGNED(test)\
TEST_SIGNED__(test)\
test<mpz_class>();
# define TEST_SIGNED_NO_GMP(test) TEST_SIGNED__(test)
#else
# define TEST_SIGNED(test) TEST_SIGNED__(test)
# define TEST_SIGNED_NO_GMP(test) TEST_SIGNED__(test)
#endif
int main()
{
TEST_SIGNED(gcd_int_test)
gcd_unmarked_int_test();
TEST_UNSIGNED(gcd_unsigned_test)
gcd_static_test();
gcd_method_test();
TEST_SIGNED(lcm_int_test)
lcm_unmarked_int_test();
TEST_UNSIGNED(lcm_unsigned_test)
lcm_static_test();
variadics();
TEST_SIGNED_NO_GMP(gcd_and_lcm_on_rationals)
return boost::report_errors();
}

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/*
* (C) Copyright Nick Thompson 2018.
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
*/
#include "multiprecision_config.hpp"
#ifndef DISABLE_MP_TESTS
#include <boost/integer/extended_euclidean.hpp>
#include <boost/cstdint.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/integer/common_factor.hpp>
using boost::multiprecision::int128_t;
using boost::multiprecision::int256_t;
using boost::integer::extended_euclidean;
using boost::integer::gcd;
template<class Z>
void test_extended_euclidean()
{
// Stress test:
//Z max_arg = std::numeric_limits<Z>::max();
Z max_arg = 500;
for (Z m = max_arg; m > 0; --m)
{
for (Z n = max_arg; n > 0; --n)
{
boost::integer::euclidean_result_t<Z> u = extended_euclidean(m, n);
int256_t gcdmn = gcd(m, n);
int256_t x = u.x;
int256_t y = u.y;
BOOST_TEST_EQ(u.gcd, gcdmn);
BOOST_TEST_EQ(m*x + n*y, gcdmn);
}
}
}
int main()
{
test_extended_euclidean<boost::int16_t>();
test_extended_euclidean<boost::int32_t>();
test_extended_euclidean<boost::int64_t>();
test_extended_euclidean<int128_t>();
return boost::report_errors();;
}
#else
int main()
{
return 0;
}
#endif

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// Copyright John Maddock 2012.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer.hpp>
typedef boost::int_t<sizeof(boost::intmax_t)*CHAR_BIT + 1>::exact fail_int_exact;

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@ -1,8 +0,0 @@
// Copyright John Maddock 2012.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer.hpp>
typedef boost::int_t<sizeof(boost::intmax_t)*CHAR_BIT + 1>::fast fail_int_fast;

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@ -1,8 +0,0 @@
// Copyright John Maddock 2012.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer.hpp>
typedef boost::int_t<sizeof(boost::intmax_t)*CHAR_BIT + 1>::least fail_int_least;

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// Copyright John Maddock 2012.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer.hpp>
#include <iostream>
int main()
{
std::cout << std::numeric_limits<boost::uint_t<65>::least>::digits;
return 0;
}

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// Copyright John Maddock 2012.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer.hpp>
typedef boost::uint_t<sizeof(boost::intmax_t)*CHAR_BIT + 1>::exact fail_uint_exact;

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// Copyright John Maddock 2012.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer.hpp>
typedef boost::uint_t<sizeof(boost::intmax_t)*CHAR_BIT + 1>::fast fail_uint_fast;

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@ -1,8 +0,0 @@
// Copyright John Maddock 2012.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer.hpp>
typedef boost::uint_t<sizeof(boost::intmax_t)*CHAR_BIT + 1>::least fail_uint_least;

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// (C) Copyright John Maddock 2017.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer/common_factor.hpp>
#ifndef BOOST_NO_CXX14_CONSTEXPR
void test_constexpr1()
{
constexpr const boost::int64_t i = 347 * 463 * 727;
constexpr const boost::int64_t j = 191 * 347 * 281;
constexpr const boost::int64_t k = boost::integer::gcd(i, j);
constexpr const boost::int64_t l = boost::integer::lcm(i, j);
static_assert(k == 347, "Expected result not integer in constexpr gcd.");
static_assert(l == 6268802158037, "Expected result not integer in constexpr lcm.");
}
void test_constexpr2()
{
constexpr const boost::uint64_t i = 347 * 463 * 727;
constexpr const boost::uint64_t j = 191 * 347 * 281;
constexpr const boost::uint64_t k = boost::integer::gcd(i, j);
constexpr const boost::uint64_t l = boost::integer::lcm(i, j);
static_assert(k == 347, "Expected result not integer in constexpr gcd.");
static_assert(l == 6268802158037, "Expected result not integer in constexpr lcm.");
}
void test_constexpr3()
{
constexpr const boost::uint64_t i = 347 * 463 * 727;
constexpr const boost::uint64_t j = 191 * 347 * 281;
constexpr const boost::uint64_t k = boost::integer::gcd_detail::Euclid_gcd(i, j);
static_assert(k == 347, "Expected result not integer in constexpr gcd.");
}
void test_constexpr4()
{
constexpr const boost::uint64_t i = 347 * 463 * 727;
constexpr const boost::uint64_t j = 191 * 347 * 281;
constexpr const boost::uint64_t k = boost::integer::gcd_detail::mixed_binary_gcd(i, j);
static_assert(k == 347, "Expected result not integer in constexpr gcd.");
}
void test_constexpr5()
{
constexpr const boost::uint64_t i = 347 * 463 * 727;
constexpr const boost::uint64_t j = 191 * 347 * 281;
constexpr const boost::uint64_t k = boost::integer::gcd_detail::Stein_gcd(i, j);
static_assert(k == 347, "Expected result not integer in constexpr gcd.");
}
#endif

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// (C) Copyright John Maddock 2017.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer/common_factor.hpp>
#if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
//
// These tests don't pass with GCC-4.x:
//
#if !defined(BOOST_GCC) || (BOOST_GCC >= 50000)
void test_noexcept(unsigned char a, unsigned char b)
{
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned char>(a), static_cast<unsigned char>(b))), "Expected a noexcept function.");
#ifndef _MSC_VER
// This generates an internal compiler error if enabled as well as the following test:
static_assert(noexcept(boost::integer::gcd(static_cast<char>(a), static_cast<char>(b))), "Expected a noexcept function.");
#endif
static_assert(noexcept(boost::integer::gcd(static_cast<signed char>(a), static_cast<signed char>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<short>(a), static_cast<short>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned short>(a), static_cast<unsigned short>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<int>(a), static_cast<int>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned int>(a), static_cast<unsigned int>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<long>(a), static_cast<long>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned long>(a), static_cast<unsigned long>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<long long>(a), static_cast<long long>(b))), "Expected a noexcept function.");
static_assert(noexcept(boost::integer::gcd(static_cast<unsigned long long>(a), static_cast<unsigned long long>(b))), "Expected a noexcept function.");
}
#endif
#endif

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// Copyright John Maddock 2008.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <gmpxx.h>
// On Linux, libgmpxx is built with gcc and libstdc++. When the user application, such as tests, are built against libc++,
// linking fails because of the C++ standard library symbol names mismatch. So fail the test if we're not using libstdc++.
#if defined(__linux__) || defined(__linux) || defined(linux)
#include <utility>
#if !defined(__GLIBCPP__) && !defined(__GLIBCXX__)
#error "libgmpxx is not supported on this platform with this C++ standard library"
#endif
#endif

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@ -1,22 +0,0 @@
// Copyright John Maddock 2009.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer_fwd.hpp> // must be the only #include!
// just declare some functions that use the incomplete types in the header:
void f1(const boost::integer_traits<char>*);
void f2(const boost::int_fast_t<char>*);
void f3(const boost::int_t<12>*);
void f4(const boost::uint_t<31>*);
void f5(const boost::int_max_value_t<100>*);
void f6(const boost::int_min_value_t<-100>*);
void f7(const boost::uint_value_t<100>*);
void f8(const boost::high_bit_mask_t<10>*);
void f9(const boost::low_bits_mask_t<10>*);
void f10(boost::static_log2_argument_type, boost::static_log2_result_type, boost::static_log2<10>*);
void f11(boost::static_min_max_signed_type, boost::static_min_max_unsigned_type);
void f12(boost::static_signed_min<1, 2>*, boost::static_signed_max<1,2>*);
void f13(boost::static_unsigned_min<1,2>*, boost::static_unsigned_min<1,2>*);

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@ -1,36 +0,0 @@
// Copyright John Maddock 2009.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer.hpp> // must be the only #include!
int main()
{
boost::int_fast_t<char>::fast f = 0;
(void)f;
boost::int_t<16>::fast f2 = 0;
(void)f2;
boost::int_t<32>::exact e = 0;
(void)e;
boost::int_t<12>::least l = 0;
(void)l;
boost::uint_t<16>::fast uf2 = 0;
(void)uf2;
boost::uint_t<32>::exact ue = 0;
(void)ue;
boost::uint_t<12>::least ul = 0;
(void)ul;
boost::int_max_value_t<200>::fast v1 = 0;
(void)v1;
boost::int_max_value_t<2000>::least v2 = 0;
(void)v2;
boost::int_min_value_t<-200>::fast v3 = 0;
(void)v3;
boost::int_min_value_t<-2000>::least v4 = 0;
(void)v4;
boost::uint_value_t<200>::fast v5 = 0;
(void)v5;
boost::uint_value_t<2000>::least v6 = 0;
(void)v6;
}

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// Boost integer_log2.hpp test program --------------------------------------//
// (C) Copyright Andrey Semashev 2021.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for most recent version including documentation.
#include <boost/config.hpp>
#include <boost/cstdint.hpp>
#include <boost/integer/integer_log2.hpp>
#include <boost/core/lightweight_test.hpp>
#include <iostream>
#include "multiprecision_config.hpp"
#if !defined(DISABLE_MP_TESTS)
#include <boost/multiprecision/cpp_int.hpp>
#endif
// Macros to compact code
#define PRIVATE_LB_TEST( v, e ) BOOST_TEST( ::boost::integer_log2((v)) == e )
#define PRIVATE_PRINT_LB( v ) ::std::cout << "boost::integer_log2(" << (v) \
<< ") = " << ::boost::integer_log2((v)) << '.' << ::std::endl
// Control to check for a compile-time error
#ifndef CONTROL_LB_0_TEST
#define PRIVATE_LB_0_TEST
#else
#define PRIVATE_LB_0_TEST PRIVATE_PRINT_LB( 0 )
#endif
// Main testing function
int main()
{
std::cout << "Doing tests on integer_log2." << std::endl;
PRIVATE_LB_0_TEST;
PRIVATE_LB_TEST( (unsigned char)1, 0 );
PRIVATE_LB_TEST( (unsigned char)2, 1 );
PRIVATE_LB_TEST( 1, 0 );
PRIVATE_LB_TEST( 2, 1 );
PRIVATE_LB_TEST( 3, 1 );
PRIVATE_LB_TEST( 4, 2 );
PRIVATE_LB_TEST( 5, 2 );
PRIVATE_LB_TEST( 6, 2 );
PRIVATE_LB_TEST( 7, 2 );
PRIVATE_LB_TEST( 8, 3 );
PRIVATE_LB_TEST( 9, 3 );
PRIVATE_LB_TEST( 10, 3 );
PRIVATE_LB_TEST( 11, 3 );
PRIVATE_LB_TEST( 12, 3 );
PRIVATE_LB_TEST( 13, 3 );
PRIVATE_LB_TEST( 14, 3 );
PRIVATE_LB_TEST( 15, 3 );
PRIVATE_LB_TEST( 16, 4 );
PRIVATE_LB_TEST( 17, 4 );
PRIVATE_LB_TEST( 18, 4 );
PRIVATE_LB_TEST( 19, 4 );
PRIVATE_LB_TEST( 20, 4 );
PRIVATE_LB_TEST( 21, 4 );
PRIVATE_LB_TEST( 22, 4 );
PRIVATE_LB_TEST( 23, 4 );
PRIVATE_LB_TEST( 24, 4 );
PRIVATE_LB_TEST( 25, 4 );
PRIVATE_LB_TEST( 26, 4 );
PRIVATE_LB_TEST( 27, 4 );
PRIVATE_LB_TEST( 28, 4 );
PRIVATE_LB_TEST( 29, 4 );
PRIVATE_LB_TEST( 30, 4 );
PRIVATE_LB_TEST( 31, 4 );
PRIVATE_LB_TEST( 32, 5 );
PRIVATE_LB_TEST( 33, 5 );
PRIVATE_LB_TEST( 34, 5 );
PRIVATE_LB_TEST( 35, 5 );
PRIVATE_LB_TEST( 36, 5 );
PRIVATE_LB_TEST( 37, 5 );
PRIVATE_LB_TEST( 38, 5 );
PRIVATE_LB_TEST( 39, 5 );
PRIVATE_LB_TEST( 40, 5 );
PRIVATE_LB_TEST( 63, 5 );
PRIVATE_LB_TEST( 64, 6 );
PRIVATE_LB_TEST( 65, 6 );
PRIVATE_LB_TEST( 127, 6 );
PRIVATE_LB_TEST( 128, 7 );
PRIVATE_LB_TEST( 129, 7 );
PRIVATE_LB_TEST( 255, 7 );
PRIVATE_LB_TEST( 256, 8 );
PRIVATE_LB_TEST( 257, 8 );
PRIVATE_LB_TEST( 511, 8 );
PRIVATE_LB_TEST( 512, 9 );
PRIVATE_LB_TEST( 513, 9 );
PRIVATE_LB_TEST( 1023, 9 );
PRIVATE_LB_TEST( 1024, 10 );
PRIVATE_LB_TEST( 1025, 10 );
PRIVATE_LB_TEST( 2047, 10 );
PRIVATE_LB_TEST( 2048, 11 );
PRIVATE_LB_TEST( 2049, 11 );
PRIVATE_LB_TEST( 4095, 11 );
PRIVATE_LB_TEST( 4096, 12 );
PRIVATE_LB_TEST( 4097, 12 );
PRIVATE_LB_TEST( 8191, 12 );
PRIVATE_LB_TEST( 8192, 13 );
PRIVATE_LB_TEST( 8193, 13 );
PRIVATE_LB_TEST( 16383, 13 );
PRIVATE_LB_TEST( 16384, 14 );
PRIVATE_LB_TEST( 16385, 14 );
PRIVATE_LB_TEST( 32767, 14 );
PRIVATE_LB_TEST( 32768, 15 );
PRIVATE_LB_TEST( 32769, 15 );
PRIVATE_LB_TEST( 65535, 15 );
PRIVATE_LB_TEST( 65536, 16 );
PRIVATE_LB_TEST( 65537, 16 );
#if defined(UINT32_C)
PRIVATE_LB_TEST( UINT32_C(4294967295), 31 );
#endif
#if defined(UINT64_C) && !defined(BOOST_NO_INT64_T)
PRIVATE_LB_TEST( UINT64_C(4294967296), 32 );
PRIVATE_LB_TEST( UINT64_C(4294967297), 32 );
PRIVATE_LB_TEST( UINT64_C(18446744073709551615), 63 );
#endif
#if defined(BOOST_HAS_INT128)
PRIVATE_LB_TEST( boost::uint128_type(1u) << 64u, 64 );
PRIVATE_LB_TEST( (boost::uint128_type(1u) << 64u) + 1u, 64 );
PRIVATE_LB_TEST( ~boost::uint128_type(0u), 127 );
#endif
#if !defined(DISABLE_MP_TESTS)
PRIVATE_LB_TEST( boost::multiprecision::cpp_int(1), 0 );
PRIVATE_LB_TEST( boost::multiprecision::cpp_int(2), 1 );
PRIVATE_LB_TEST( boost::multiprecision::cpp_int(3), 1 );
PRIVATE_LB_TEST( boost::multiprecision::cpp_int(65535), 15 );
PRIVATE_LB_TEST( boost::multiprecision::cpp_int(65536), 16 );
PRIVATE_LB_TEST( boost::multiprecision::int1024_t(1), 0 );
PRIVATE_LB_TEST( boost::multiprecision::int1024_t(2), 1 );
PRIVATE_LB_TEST( boost::multiprecision::int1024_t(3), 1 );
PRIVATE_LB_TEST( boost::multiprecision::int1024_t(65535), 15 );
PRIVATE_LB_TEST( boost::multiprecision::int1024_t(65536), 16 );
PRIVATE_LB_TEST( boost::multiprecision::uint1024_t(1), 0 );
PRIVATE_LB_TEST( boost::multiprecision::uint1024_t(2), 1 );
PRIVATE_LB_TEST( boost::multiprecision::uint1024_t(3), 1 );
PRIVATE_LB_TEST( boost::multiprecision::uint1024_t(65535), 15 );
PRIVATE_LB_TEST( boost::multiprecision::uint1024_t(65536), 16 );
#endif
return boost::report_errors();
}

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// Copyright John Maddock 2009.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer/integer_mask.hpp> // must be the only #include!
int main()
{
boost::high_bit_mask_t<20>::least l = boost::high_bit_mask_t<20>::high_bit;
boost::high_bit_mask_t<12>::fast f = boost::high_bit_mask_t<12>::high_bit_fast;
l += f + boost::high_bit_mask_t<12>::bit_position;
(void)l;
boost::low_bits_mask_t<20>::least l2 = boost::low_bits_mask_t<20>::sig_bits;
boost::low_bits_mask_t<12>::fast f2 = boost::low_bits_mask_t<12>::sig_bits_fast;
l2 += f2 + boost::low_bits_mask_t<12>::bit_count;
(void)l2;
}

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@ -1,203 +0,0 @@
// boost integer_mask.hpp test program -------------------------------------//
// (C) Copyright Daryle Walker 2001.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for most recent version including documentation.
// Revision History
// 23 Sep 2001 Initial version (Daryle Walker)
#include <boost/core/lightweight_test.hpp>
#include <boost/cstdlib.hpp> // for boost::exit_success
#include <boost/integer/integer_mask.hpp> // for boost::high_bit_mask_t, etc.
#include <iostream> // for std::cout (std::endl indirectly)
#ifdef BOOST_MSVC
#pragma warning(disable:4127) // conditional expression is constant
#endif
#if defined(BOOST_HAS_LONG_LONG)
#define MASK_TYPE ::boost::ulong_long_type
#elif defined(BOOST_HAS_MS_INT64)
#define MASK_TYPE unsigned __int64
#else
#define MASK_TYPE unsigned long
#endif
#define ONE (static_cast<MASK_TYPE>(1))
#define PRIVATE_HIGH_BIT_SLOW_TEST(v) BOOST_TEST( ::boost::high_bit_mask_t< \
(v) >::high_bit == (ONE << (v)) );
#define PRIVATE_HIGH_BIT_FAST_TEST(v) BOOST_TEST( ::boost::high_bit_mask_t< \
(v) >::high_bit_fast == (ONE << (v)) );
#define PRIVATE_HIGH_BIT_TEST(v) do { PRIVATE_HIGH_BIT_SLOW_TEST(v); \
PRIVATE_HIGH_BIT_FAST_TEST(v); } while (false)
#define PRIVATE_LOW_BITS_SLOW_TEST(v) \
do{ \
MASK_TYPE mask = 0;\
if(v > 0)\
{ mask = ((ONE << (v-1)) - 1); mask <<= 1; mask |= 1; }\
BOOST_TEST( ::boost::low_bits_mask_t< (v) >::sig_bits == mask); \
}while(false);
#define PRIVATE_LOW_BITS_FAST_TEST(v) \
do{ \
MASK_TYPE mask = 0;\
if(v > 0)\
{ mask = ((ONE << (v-1)) - 1); mask <<= 1; mask |= 1; }\
BOOST_TEST( ::boost::low_bits_mask_t< (v) >::sig_bits_fast == mask);\
}while(false);
#define PRIVATE_LOW_BITS_TEST(v) do { PRIVATE_LOW_BITS_SLOW_TEST(v); \
PRIVATE_LOW_BITS_FAST_TEST(v); } while (false)
int main( int, char*[] )
{
using std::cout;
using std::endl;
cout << "Doing high_bit_mask_t tests." << endl;
#if defined(BOOST_HAS_LONG_LONG) || defined(BOOST_HAS_MS_INT64)
PRIVATE_HIGH_BIT_TEST( 63 );
PRIVATE_HIGH_BIT_TEST( 62 );
PRIVATE_HIGH_BIT_TEST( 61 );
PRIVATE_HIGH_BIT_TEST( 60 );
PRIVATE_HIGH_BIT_TEST( 59 );
PRIVATE_HIGH_BIT_TEST( 58 );
PRIVATE_HIGH_BIT_TEST( 57 );
PRIVATE_HIGH_BIT_TEST( 56 );
PRIVATE_HIGH_BIT_TEST( 55 );
PRIVATE_HIGH_BIT_TEST( 54 );
PRIVATE_HIGH_BIT_TEST( 53 );
PRIVATE_HIGH_BIT_TEST( 52 );
PRIVATE_HIGH_BIT_TEST( 51 );
PRIVATE_HIGH_BIT_TEST( 50 );
PRIVATE_HIGH_BIT_TEST( 49 );
PRIVATE_HIGH_BIT_TEST( 48 );
PRIVATE_HIGH_BIT_TEST( 47 );
PRIVATE_HIGH_BIT_TEST( 46 );
PRIVATE_HIGH_BIT_TEST( 45 );
PRIVATE_HIGH_BIT_TEST( 44 );
PRIVATE_HIGH_BIT_TEST( 43 );
PRIVATE_HIGH_BIT_TEST( 42 );
PRIVATE_HIGH_BIT_TEST( 41 );
PRIVATE_HIGH_BIT_TEST( 40 );
PRIVATE_HIGH_BIT_TEST( 39 );
PRIVATE_HIGH_BIT_TEST( 38 );
PRIVATE_HIGH_BIT_TEST( 37 );
PRIVATE_HIGH_BIT_TEST( 36 );
PRIVATE_HIGH_BIT_TEST( 35 );
PRIVATE_HIGH_BIT_TEST( 34 );
PRIVATE_HIGH_BIT_TEST( 33 );
PRIVATE_HIGH_BIT_TEST( 32 );
#endif
PRIVATE_HIGH_BIT_TEST( 31 );
PRIVATE_HIGH_BIT_TEST( 30 );
PRIVATE_HIGH_BIT_TEST( 29 );
PRIVATE_HIGH_BIT_TEST( 28 );
PRIVATE_HIGH_BIT_TEST( 27 );
PRIVATE_HIGH_BIT_TEST( 26 );
PRIVATE_HIGH_BIT_TEST( 25 );
PRIVATE_HIGH_BIT_TEST( 24 );
PRIVATE_HIGH_BIT_TEST( 23 );
PRIVATE_HIGH_BIT_TEST( 22 );
PRIVATE_HIGH_BIT_TEST( 21 );
PRIVATE_HIGH_BIT_TEST( 20 );
PRIVATE_HIGH_BIT_TEST( 19 );
PRIVATE_HIGH_BIT_TEST( 18 );
PRIVATE_HIGH_BIT_TEST( 17 );
PRIVATE_HIGH_BIT_TEST( 16 );
PRIVATE_HIGH_BIT_TEST( 15 );
PRIVATE_HIGH_BIT_TEST( 14 );
PRIVATE_HIGH_BIT_TEST( 13 );
PRIVATE_HIGH_BIT_TEST( 12 );
PRIVATE_HIGH_BIT_TEST( 11 );
PRIVATE_HIGH_BIT_TEST( 10 );
PRIVATE_HIGH_BIT_TEST( 9 );
PRIVATE_HIGH_BIT_TEST( 8 );
PRIVATE_HIGH_BIT_TEST( 7 );
PRIVATE_HIGH_BIT_TEST( 6 );
PRIVATE_HIGH_BIT_TEST( 5 );
PRIVATE_HIGH_BIT_TEST( 4 );
PRIVATE_HIGH_BIT_TEST( 3 );
PRIVATE_HIGH_BIT_TEST( 2 );
PRIVATE_HIGH_BIT_TEST( 1 );
PRIVATE_HIGH_BIT_TEST( 0 );
cout << "Doing low_bits_mask_t tests." << endl;
#if defined(BOOST_HAS_LONG_LONG) || defined(BOOST_HAS_MS_INT64)
PRIVATE_LOW_BITS_TEST( 64 );
PRIVATE_LOW_BITS_TEST( 63 );
PRIVATE_LOW_BITS_TEST( 62 );
PRIVATE_LOW_BITS_TEST( 61 );
PRIVATE_LOW_BITS_TEST( 60 );
PRIVATE_LOW_BITS_TEST( 59 );
PRIVATE_LOW_BITS_TEST( 58 );
PRIVATE_LOW_BITS_TEST( 57 );
PRIVATE_LOW_BITS_TEST( 56 );
PRIVATE_LOW_BITS_TEST( 55 );
PRIVATE_LOW_BITS_TEST( 54 );
PRIVATE_LOW_BITS_TEST( 53 );
PRIVATE_LOW_BITS_TEST( 52 );
PRIVATE_LOW_BITS_TEST( 51 );
PRIVATE_LOW_BITS_TEST( 50 );
PRIVATE_LOW_BITS_TEST( 49 );
PRIVATE_LOW_BITS_TEST( 48 );
PRIVATE_LOW_BITS_TEST( 47 );
PRIVATE_LOW_BITS_TEST( 46 );
PRIVATE_LOW_BITS_TEST( 45 );
PRIVATE_LOW_BITS_TEST( 44 );
PRIVATE_LOW_BITS_TEST( 43 );
PRIVATE_LOW_BITS_TEST( 42 );
PRIVATE_LOW_BITS_TEST( 41 );
PRIVATE_LOW_BITS_TEST( 40 );
PRIVATE_LOW_BITS_TEST( 39 );
PRIVATE_LOW_BITS_TEST( 38 );
PRIVATE_LOW_BITS_TEST( 37 );
PRIVATE_LOW_BITS_TEST( 36 );
PRIVATE_LOW_BITS_TEST( 35 );
PRIVATE_LOW_BITS_TEST( 34 );
PRIVATE_LOW_BITS_TEST( 33 );
#endif
PRIVATE_LOW_BITS_TEST( 32 );
PRIVATE_LOW_BITS_TEST( 31 );
PRIVATE_LOW_BITS_TEST( 30 );
PRIVATE_LOW_BITS_TEST( 29 );
PRIVATE_LOW_BITS_TEST( 28 );
PRIVATE_LOW_BITS_TEST( 27 );
PRIVATE_LOW_BITS_TEST( 26 );
PRIVATE_LOW_BITS_TEST( 25 );
PRIVATE_LOW_BITS_TEST( 24 );
PRIVATE_LOW_BITS_TEST( 23 );
PRIVATE_LOW_BITS_TEST( 22 );
PRIVATE_LOW_BITS_TEST( 21 );
PRIVATE_LOW_BITS_TEST( 20 );
PRIVATE_LOW_BITS_TEST( 19 );
PRIVATE_LOW_BITS_TEST( 18 );
PRIVATE_LOW_BITS_TEST( 17 );
PRIVATE_LOW_BITS_TEST( 16 );
PRIVATE_LOW_BITS_TEST( 15 );
PRIVATE_LOW_BITS_TEST( 14 );
PRIVATE_LOW_BITS_TEST( 13 );
PRIVATE_LOW_BITS_TEST( 12 );
PRIVATE_LOW_BITS_TEST( 11 );
PRIVATE_LOW_BITS_TEST( 10 );
PRIVATE_LOW_BITS_TEST( 9 );
PRIVATE_LOW_BITS_TEST( 8 );
PRIVATE_LOW_BITS_TEST( 7 );
PRIVATE_LOW_BITS_TEST( 6 );
PRIVATE_LOW_BITS_TEST( 5 );
PRIVATE_LOW_BITS_TEST( 4 );
PRIVATE_LOW_BITS_TEST( 3 );
PRIVATE_LOW_BITS_TEST( 2 );
PRIVATE_LOW_BITS_TEST( 1 );
return boost::report_errors();
}

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// boost integer.hpp test program ------------------------------------------//
// Copyright Beman Dawes 1999.
// Copyright Daryle Walker 2001.
// Copyright John Maddock 2009.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org/libs/integer for documentation.
// Revision History
// 04 Oct 01 Added tests for new templates; rewrote code (Daryle Walker)
// 10 Mar 01 Boost Test Library now used for tests (Beman Dawes)
// 31 Aug 99 Initial version
#include <boost/core/lightweight_test.hpp> // for main, BOOST_TEST
#include <boost/integer.hpp> // for boost::int_t, boost::uint_t
#include <boost/type_traits/is_same.hpp>
#include <boost/mpl/bool.hpp> // for mpl::true_ and false_
#include <climits> // for ULONG_MAX, LONG_MAX, LONG_MIN
#include <iostream> // for std::cout (std::endl indirectly)
#include <typeinfo> // for std::type_info
#ifdef BOOST_MSVC
#pragma warning(disable:4127) // conditional expression is constant
#endif
#if defined( BOOST_BORLANDC )
# pragma option -w-8008 -w-8066 // condition is always true
#endif
//
// Keep track of error count, so we can print out detailed
// info only if we need it:
//
int last_error_count = 0;
//
// Helpers to print out the name of a type,
// we use these as typeid(X).name() doesn't always
// return a human readable string:
//
template <class T> const char* get_name_of_type(T){ return typeid(T).name(); }
const char* get_name_of_type(signed char){ return "signed char"; }
const char* get_name_of_type(unsigned char){ return "unsigned char"; }
const char* get_name_of_type(short){ return "short"; }
const char* get_name_of_type(unsigned short){ return "unsigned short"; }
const char* get_name_of_type(int){ return "int"; }
const char* get_name_of_type(unsigned int){ return "unsigned int"; }
const char* get_name_of_type(long){ return "long"; }
const char* get_name_of_type(unsigned long){ return "unsigned long"; }
#ifdef BOOST_HAS_LONG_LONG
const char* get_name_of_type(boost::long_long_type){ return "boost::long_long_type"; }
const char* get_name_of_type(boost::ulong_long_type){ return "boost::ulong_long_type"; }
#endif
template <int Bits>
void do_test_exact(boost::mpl::true_ const&)
{
// Test the ::exact member:
typedef typename boost::int_t<Bits>::exact int_exact;
typedef typename boost::uint_t<Bits>::exact uint_exact;
typedef typename boost::int_t<Bits>::least least_int;
typedef typename boost::uint_t<Bits>::least least_uint;
BOOST_TEST((boost::is_same<int_exact, least_int>::value));
BOOST_TEST((boost::is_same<uint_exact, least_uint>::value));
}
template <int Bits>
void do_test_exact(boost::mpl::false_ const&)
{
// Nothing to do, type does not have an ::extact member.
}
template <int Bits>
void do_test_bits()
{
//
// Recurse to next smallest number of bits:
//
do_test_bits<Bits - 1>();
//
// Test exact types if we have them:
//
do_test_exact<Bits>(
boost::mpl::bool_<
(sizeof(unsigned char) * CHAR_BIT == Bits)
|| (sizeof(unsigned short) * CHAR_BIT == Bits)
|| (sizeof(unsigned int) * CHAR_BIT == Bits)
|| (sizeof(unsigned long) * CHAR_BIT == Bits)
#ifdef BOOST_HAS_LONG_LONG
|| (sizeof(boost::ulong_long_type) * CHAR_BIT == Bits)
#endif
>());
//
// We need to check all aspects of the members of int_t<Bits> and uint_t<Bits>:
//
typedef typename boost::int_t<Bits>::least least_int;
typedef typename boost::int_t<Bits>::least fast_int;
typedef typename boost::uint_t<Bits>::least least_uint;
typedef typename boost::uint_t<Bits>::fast fast_uint;
if(std::numeric_limits<least_int>::is_specialized)
{
BOOST_TEST(std::numeric_limits<least_int>::digits + 1 >= Bits);
}
if(std::numeric_limits<least_uint>::is_specialized)
{
BOOST_TEST(std::numeric_limits<least_uint>::digits >= Bits);
}
BOOST_TEST(sizeof(least_int) * CHAR_BIT >= Bits);
BOOST_TEST(sizeof(least_uint) * CHAR_BIT >= Bits);
BOOST_TEST(sizeof(fast_int) >= sizeof(least_int));
BOOST_TEST(sizeof(fast_uint) >= sizeof(least_uint));
//
// There should be no type smaller than least_* that also has enough bits:
//
if(!boost::is_same<signed char, least_int>::value)
{
BOOST_TEST(std::numeric_limits<signed char>::digits < Bits);
if(!boost::is_same<short, least_int>::value)
{
BOOST_TEST(std::numeric_limits<short>::digits < Bits);
if(!boost::is_same<int, least_int>::value)
{
BOOST_TEST(std::numeric_limits<int>::digits < Bits);
if(!boost::is_same<long, least_int>::value)
{
BOOST_TEST(std::numeric_limits<long>::digits < Bits);
}
}
}
}
// And again, but unsigned:
if(!boost::is_same<unsigned char, least_uint>::value)
{
BOOST_TEST(std::numeric_limits<unsigned char>::digits < Bits);
if(!boost::is_same<unsigned short, least_uint>::value)
{
BOOST_TEST(std::numeric_limits<unsigned short>::digits < Bits);
if(!boost::is_same<unsigned int, least_uint>::value)
{
BOOST_TEST(std::numeric_limits<unsigned int>::digits < Bits);
if(!boost::is_same<unsigned long, least_uint>::value)
{
BOOST_TEST(std::numeric_limits<unsigned long>::digits < Bits);
}
}
}
}
if(boost::detail::test_errors() != last_error_count)
{
last_error_count = boost::detail::test_errors();
std::cout << "Errors occurred while testing with bit count = " << Bits << std::endl;
std::cout << "Type int_t<" << Bits << ">::least was " << get_name_of_type(least_int(0)) << std::endl;
std::cout << "Type int_t<" << Bits << ">::fast was " << get_name_of_type(fast_int(0)) << std::endl;
std::cout << "Type uint_t<" << Bits << ">::least was " << get_name_of_type(least_uint(0)) << std::endl;
std::cout << "Type uint_t<" << Bits << ">::fast was " << get_name_of_type(fast_uint(0)) << std::endl;
}
}
template <>
void do_test_bits<-1>()
{
// Nothing to do here!!
}
template <class Traits, class Expected>
void test_min_max_type(Expected val)
{
typedef typename Traits::least least_type;
typedef typename Traits::fast fast_type;
BOOST_TEST((boost::is_same<least_type, Expected>::value));
BOOST_TEST(sizeof(fast_type) >= sizeof(least_type));
BOOST_TEST((std::numeric_limits<least_type>::min)() <= val);
BOOST_TEST((std::numeric_limits<least_type>::max)() >= val);
if(boost::detail::test_errors() != last_error_count)
{
last_error_count = boost::detail::test_errors();
std::cout << "Traits type is: " << typeid(Traits).name() << std::endl;
std::cout << "Least type is: " << get_name_of_type(least_type(0)) << std::endl;
std::cout << "Fast type is: " << get_name_of_type(fast_type(0)) << std::endl;
std::cout << "Expected type is: " << get_name_of_type(Expected(0)) << std::endl;
std::cout << "Required value is: " << val << std::endl;
}
}
// Test program
int main(int, char*[])
{
// Test int_t and unint_t first:
if(std::numeric_limits<boost::intmax_t>::is_specialized)
do_test_bits<std::numeric_limits<boost::uintmax_t>::digits>();
else
do_test_bits<std::numeric_limits<long>::digits>();
//
// Test min and max value types:
//
test_min_max_type<boost::int_max_value_t<SCHAR_MAX>, signed char>(SCHAR_MAX);
test_min_max_type<boost::int_min_value_t<SCHAR_MIN>, signed char>(SCHAR_MIN);
test_min_max_type<boost::uint_value_t<UCHAR_MAX>, unsigned char>(UCHAR_MAX);
#if(USHRT_MAX != UCHAR_MAX)
test_min_max_type<boost::int_max_value_t<SCHAR_MAX+1>, short>(SCHAR_MAX+1);
test_min_max_type<boost::int_min_value_t<SCHAR_MIN-1>, short>(SCHAR_MIN-1);
test_min_max_type<boost::uint_value_t<UCHAR_MAX+1>, unsigned short>(UCHAR_MAX+1);
test_min_max_type<boost::int_max_value_t<SHRT_MAX>, short>(SHRT_MAX);
test_min_max_type<boost::int_min_value_t<SHRT_MIN>, short>(SHRT_MIN);
test_min_max_type<boost::uint_value_t<USHRT_MAX>, unsigned short>(USHRT_MAX);
#endif
#if(UINT_MAX != USHRT_MAX)
test_min_max_type<boost::int_max_value_t<SHRT_MAX+1>, int>(SHRT_MAX+1);
test_min_max_type<boost::int_min_value_t<SHRT_MIN-1>, int>(SHRT_MIN-1);
test_min_max_type<boost::uint_value_t<USHRT_MAX+1>, unsigned int>(USHRT_MAX+1);
test_min_max_type<boost::int_max_value_t<INT_MAX>, int>(INT_MAX);
test_min_max_type<boost::int_min_value_t<INT_MIN>, int>(INT_MIN);
test_min_max_type<boost::uint_value_t<UINT_MAX>, unsigned int>(UINT_MAX);
#endif
#if(ULONG_MAX != UINT_MAX)
test_min_max_type<boost::int_max_value_t<INT_MAX+1L>, long>(INT_MAX+1L);
test_min_max_type<boost::int_min_value_t<INT_MIN-1L>, long>(INT_MIN-1L);
test_min_max_type<boost::uint_value_t<UINT_MAX+1uL>, unsigned long>(UINT_MAX+1uL);
test_min_max_type<boost::int_max_value_t<LONG_MAX>, long>(LONG_MAX);
test_min_max_type<boost::int_min_value_t<LONG_MIN>, long>(LONG_MIN);
test_min_max_type<boost::uint_value_t<ULONG_MAX>, unsigned long>(ULONG_MAX);
#endif
#ifndef BOOST_NO_INTEGRAL_INT64_T
#if defined(BOOST_HAS_LONG_LONG) && (defined(ULLONG_MAX) && (ULLONG_MAX != ULONG_MAX))
test_min_max_type<boost::int_max_value_t<LONG_MAX+1LL>, boost::long_long_type>(LONG_MAX+1LL);
test_min_max_type<boost::int_min_value_t<LONG_MIN-1LL>, boost::long_long_type>(LONG_MIN-1LL);
test_min_max_type<boost::uint_value_t<ULONG_MAX+1uLL>, boost::ulong_long_type>(ULONG_MAX+1uLL);
test_min_max_type<boost::int_max_value_t<LLONG_MAX>, boost::long_long_type>(LLONG_MAX);
test_min_max_type<boost::int_min_value_t<LLONG_MIN>, boost::long_long_type>(LLONG_MIN);
test_min_max_type<boost::uint_value_t<ULLONG_MAX>, boost::ulong_long_type>(ULLONG_MAX);
#endif
#if defined(BOOST_HAS_LONG_LONG) && (defined(ULONG_LONG_MAX) && (ULONG_LONG_MAX != ULONG_MAX))
test_min_max_type<boost::int_max_value_t<LONG_MAX+1LL>, boost::long_long_type>(LONG_MAX+1LL);
test_min_max_type<boost::int_min_value_t<LONG_MIN-1LL>, boost::long_long_type>(LONG_MIN-1LL);
test_min_max_type<boost::uint_value_t<ULONG_MAX+1uLL>, boost::ulong_long_type>(ULONG_MAX+1uLL);
test_min_max_type<boost::int_max_value_t<LONG_LONG_MAX>, boost::long_long_type>(LONG_LONG_MAX);
test_min_max_type<boost::int_min_value_t<LONG_LONG_MIN>, boost::long_long_type>(LONG_LONG_MIN);
test_min_max_type<boost::uint_value_t<ULONG_LONG_MAX>, boost::ulong_long_type>(ULONG_LONG_MAX);
#endif
#if defined(BOOST_HAS_LONG_LONG) && (defined(ULONGLONG_MAX) && (ULONGLONG_MAX != ULONG_MAX))
test_min_max_type<boost::int_max_value_t<LONG_MAX+1LL>, boost::long_long_type>(LONG_MAX+1LL);
test_min_max_type<boost::int_min_value_t<LONG_MIN-1LL>, boost::long_long_type>(LONG_MIN-1LL);
test_min_max_type<boost::uint_value_t<ULONG_MAX+1uLL>, boost::ulong_long_type>(ULONG_MAX+1uLL);
test_min_max_type<boost::int_max_value_t<LONGLONG_MAX>, boost::long_long_type>(LONGLONG_MAX);
test_min_max_type<boost::int_min_value_t<LONGLONG_MIN>, boost::long_long_type>(LONGLONG_MAX);
test_min_max_type<boost::uint_value_t<ULONGLONG_MAX>, boost::ulong_long_type>(ULONGLONG_MAX);
#endif
#if defined(BOOST_HAS_LONG_LONG) && (defined(_ULLONG_MAX) && defined(_LLONG_MIN) && (_ULLONG_MAX != ULONG_MAX))
test_min_max_type<boost::int_max_value_t<LONG_MAX+1LL>, boost::long_long_type>(LONG_MAX+1LL);
test_min_max_type<boost::int_min_value_t<LONG_MIN-1LL>, boost::long_long_type>(LONG_MIN-1LL);
test_min_max_type<boost::uint_value_t<ULONG_MAX+1uLL>, boost::ulong_long_type>(ULONG_MAX+1uLL);
test_min_max_type<boost::int_max_value_t<_LLONG_MAX>, boost::long_long_type>(_LLONG_MAX);
test_min_max_type<boost::int_min_value_t<_LLONG_MIN>, boost::long_long_type>(_LLONG_MIN);
test_min_max_type<boost::uint_value_t<_ULLONG_MAX>, boost::ulong_long_type>(_ULLONG_MAX);
#endif // BOOST_HAS_LONG_LONG
#endif // BOOST_NO_INTEGRAL_INT64_T
return boost::report_errors();
}

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// Copyright John Maddock 2009.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer_traits.hpp> // must be the only #include!
template <class T>
void check_numeric_limits_derived(const std::numeric_limits<T>&){}
template <class T>
void check()
{
typedef boost::integer_traits<T> traits;
check_numeric_limits_derived(traits());
bool b = traits::is_integral;
(void)b;
T v = traits::const_min + traits::const_max;
(void)v;
}
int main()
{
check<signed char>();
check<unsigned char>();
check<char>();
check<short>();
check<unsigned short>();
check<int>();
check<unsigned int>();
check<signed long>();
check<unsigned long>();
#if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
check<boost::long_long_type>();
check<boost::ulong_long_type>();
#endif
}

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/* boost integer_traits.hpp tests
*
* Copyright Jens Maurer 2000
* Distributed under the Boost Software License, Version 1.0. (See
* accompanying file LICENSE_1_0.txt or copy at
* https://www.boost.org/LICENSE_1_0.txt)
*
* $Id$
*
* Revision history
* 2000-02-22 Small improvements by Beman Dawes
* 2000-06-27 Rework for better MSVC and BCC co-operation
*/
#include <iostream>
#include <boost/integer_traits.hpp>
// use int64_t instead of long long for better portability
#include <boost/cstdint.hpp>
#include <boost/core/lightweight_test.hpp>
/*
* General portability note:
* MSVC mis-compiles explicit function template instantiations.
* For example, f<A>() and f<B>() are both compiled to call f<A>().
* BCC is unable to implicitly convert a "const char *" to a std::string
* when using explicit function template instantiations.
*
* Therefore, avoid explicit function template instantiations.
*/
#if defined(BOOST_MSVC) && (BOOST_MSVC <= 1300)
template<typename T> inline T make_char_numeric_for_streaming(T x) { return x; }
namespace fix{
inline int make_char_numeric_for_streaming(char c) { return c; }
inline int make_char_numeric_for_streaming(signed char c) { return c; }
inline int make_char_numeric_for_streaming(unsigned char c) { return c; }
inline long long int make_char_numeric_for_streaming(wchar_t c) { return c; }
}
using namespace fix;
#else
template<typename T> inline T make_char_numeric_for_streaming(T x) { return x; }
inline int make_char_numeric_for_streaming(char c) { return c; }
inline int make_char_numeric_for_streaming(signed char c) { return c; }
inline int make_char_numeric_for_streaming(unsigned char c) { return c; }
inline long long int make_char_numeric_for_streaming(wchar_t c) { return c; }
#endif
template<class T>
void runtest(const char * type, T)
{
typedef boost::integer_traits<T> traits;
std::cout << "Checking " << type
<< "; min is " << make_char_numeric_for_streaming((traits::min)())
<< ", max is " << make_char_numeric_for_streaming((traits::max)())
<< std::endl;
BOOST_TEST(traits::is_specialized);
#if defined(BOOST_MSVC) && (BOOST_MSVC <= 1200)
// MSVC++ 6.0 issues a LNK1179 error (duplicate comdat) when the compiler
// generates different symbol names with a very long common prefix:
// the dummy "&& true" disambiguates between the symbols generated by this
// BOOST_TEST instantiation and the preceding one.
BOOST_TEST(traits::is_integer && true);
#else
BOOST_TEST(traits::is_integer);
#endif
BOOST_TEST(traits::is_integral == true);
BOOST_TEST(traits::const_min == (traits::min)());
BOOST_TEST(traits::const_max == (traits::max)());
}
int main(int, char*[])
{
runtest("bool", bool());
runtest("char", char());
typedef signed char signed_char;
runtest("signed char", signed_char());
typedef unsigned char unsigned_char;
runtest("unsigned char", unsigned_char());
runtest("wchar_t", wchar_t());
runtest("short", short());
typedef unsigned short unsigned_short;
runtest("unsigned short", unsigned_short());
runtest("int", int());
typedef unsigned int unsigned_int;
runtest("unsigned int", unsigned_int());
runtest("long", long());
typedef unsigned long unsigned_long;
runtest("unsigned long", unsigned_long());
#ifndef BOOST_NO_INTEGRAL_INT64_T
//
// MS/Borland compilers can't support 64-bit member constants
// BeOS doesn't have specialisations for long long in SGI's <limits> header.
runtest("int64_t (possibly long long)", boost::int64_t());
runtest("uint64_t (possibly unsigned long long)", boost::uint64_t());
#else
std::cout << "Skipped int64_t and uint64_t" << std::endl;
#endif
// Some compilers don't pay attention to std:3.6.1/5 and issue a
// warning here if "return 0;" is omitted.
return boost::report_errors();
}

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/*
* (C) Copyright Nick Thompson 2018.
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
*/
#include "multiprecision_config.hpp"
#ifndef DISABLE_MP_TESTS
#include <boost/integer/mod_inverse.hpp>
#include <boost/cstdint.hpp>
#include <boost/optional/optional.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/integer/common_factor.hpp>
using boost::multiprecision::int128_t;
using boost::multiprecision::int256_t;
using boost::integer::mod_inverse;
using boost::integer::gcd;
template<class Z>
void test_mod_inverse()
{
//Z max_arg = std::numeric_limits<Z>::max();
Z max_arg = 500;
for (Z modulus = 2; modulus < max_arg; ++modulus)
{
if (modulus % 1000 == 0)
{
std::cout << "Testing all inverses modulo " << modulus << std::endl;
}
for (Z a = 1; a < modulus; ++a)
{
Z gcdam = gcd(a, modulus);
Z inv_a = mod_inverse(a, modulus);
// Should fail if gcd(a, mod) != 1:
if (gcdam > 1)
{
BOOST_TEST(inv_a == 0);
}
else
{
BOOST_TEST(inv_a > 0);
// Cast to a bigger type so the multiplication won't overflow.
int256_t a_inv = inv_a;
int256_t big_a = a;
int256_t m = modulus;
int256_t outta_be_one = (a_inv*big_a) % m;
BOOST_TEST_EQ(outta_be_one, 1);
}
}
}
}
int main()
{
test_mod_inverse<boost::int16_t>();
test_mod_inverse<boost::int32_t>();
test_mod_inverse<boost::int64_t>();
test_mod_inverse<int128_t>();
return boost::report_errors();
}
#else
int main()
{
return 0;
}
#endif

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// Copyright (c) 2018 Andrey Semashev
//
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_INTEGER_TEST_MULTIPRECISION_CONFIG_HPP_INCLUDED_
#define BOOST_INTEGER_TEST_MULTIPRECISION_CONFIG_HPP_INCLUDED_
#include <boost/config.hpp>
#include <boost/config/workaround.hpp>
#if (defined(BOOST_MSVC) && (BOOST_MSVC < 1500)) || \
(defined(__clang_major__) && (__clang_major__ == 3) && (__clang_minor__ < 2)) || \
(defined(BOOST_GCC) && defined(BOOST_GCC_CXX11) && BOOST_GCC < 40800)
#define DISABLE_MP_TESTS
#endif
// This list of checks matches those in Boost.Multiprecision, boost/multiprecision/detail/number_base.hpp,
// as it no longer supports C++03 since 2021.
#if !defined(DISABLE_MP_TESTS) && \
(\
defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) || defined(BOOST_NO_CXX11_HDR_ARRAY) || defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)\
|| defined(BOOST_NO_CXX11_ALLOCATOR) || defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) || defined(BOOST_NO_CXX11_CONSTEXPR)\
|| (defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS) || BOOST_WORKAROUND(__SUNPRO_CC, < 0x5140)) || defined(BOOST_NO_CXX11_REF_QUALIFIERS) || defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)\
|| defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_NO_CXX11_USER_DEFINED_LITERALS) || defined(BOOST_NO_CXX11_THREAD_LOCAL)\
|| defined(BOOST_NO_CXX11_DECLTYPE) || defined(BOOST_NO_CXX11_STATIC_ASSERT) || defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS)\
|| defined(BOOST_NO_CXX11_NOEXCEPT) || defined(BOOST_NO_CXX11_REF_QUALIFIERS)\
)
#define DISABLE_MP_TESTS
#endif
#endif // BOOST_INTEGER_TEST_MULTIPRECISION_CONFIG_HPP_INCLUDED_

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// Copyright John Maddock 2009.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer/static_log2.hpp> // must be the only #include!
int main()
{
boost::static_log2_argument_type arg = 0;
(void)arg;
boost::static_log2_result_type result = boost::static_log2<30>::value;
(void)result;
}

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// Boost static_log2.hpp test program --------------------------------------//
// (C) Copyright Daryle Walker 2001.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for most recent version including documentation.
// Revision History
// 01 Oct 2001 Initial version (Daryle Walker)
#include <boost/core/lightweight_test.hpp> // for main
#include <boost/cstdlib.hpp> // for boost::exit_success
#include <boost/integer/static_log2.hpp> // for boost::static_log2
#include <iostream> // for std::cout (std::endl indirectly)
// Macros to compact code
#define PRIVATE_LB_TEST( v, e ) BOOST_TEST( ::boost::static_log2<v>::value == e )
#define PRIVATE_PRINT_LB( v ) ::std::cout << "boost::static_log2<" << (v) \
<< "> = " << ::boost::static_log2< (v) >::value << '.' << ::std::endl
// Control to check for a compile-time error
#ifndef CONTROL_LB_0_TEST
#define PRIVATE_LB_0_TEST
#else
#define PRIVATE_LB_0_TEST PRIVATE_PRINT_LB( 0 )
#endif
// Main testing function
int
main
(
int , // "argc" is unused
char * [] // "argv" is unused
)
{
std::cout << "Doing tests on static_log2." << std::endl;
PRIVATE_LB_0_TEST;
PRIVATE_LB_TEST( 1, 0 );
PRIVATE_LB_TEST( 2, 1 );
PRIVATE_LB_TEST( 3, 1 );
PRIVATE_LB_TEST( 4, 2 );
PRIVATE_LB_TEST( 5, 2 );
PRIVATE_LB_TEST( 6, 2 );
PRIVATE_LB_TEST( 7, 2 );
PRIVATE_LB_TEST( 8, 3 );
PRIVATE_LB_TEST( 9, 3 );
PRIVATE_LB_TEST( 10, 3 );
PRIVATE_LB_TEST( 11, 3 );
PRIVATE_LB_TEST( 12, 3 );
PRIVATE_LB_TEST( 13, 3 );
PRIVATE_LB_TEST( 14, 3 );
PRIVATE_LB_TEST( 15, 3 );
PRIVATE_LB_TEST( 16, 4 );
PRIVATE_LB_TEST( 17, 4 );
PRIVATE_LB_TEST( 18, 4 );
PRIVATE_LB_TEST( 19, 4 );
PRIVATE_LB_TEST( 20, 4 );
PRIVATE_LB_TEST( 21, 4 );
PRIVATE_LB_TEST( 22, 4 );
PRIVATE_LB_TEST( 23, 4 );
PRIVATE_LB_TEST( 24, 4 );
PRIVATE_LB_TEST( 25, 4 );
PRIVATE_LB_TEST( 26, 4 );
PRIVATE_LB_TEST( 27, 4 );
PRIVATE_LB_TEST( 28, 4 );
PRIVATE_LB_TEST( 29, 4 );
PRIVATE_LB_TEST( 30, 4 );
PRIVATE_LB_TEST( 31, 4 );
PRIVATE_LB_TEST( 32, 5 );
PRIVATE_LB_TEST( 33, 5 );
PRIVATE_LB_TEST( 34, 5 );
PRIVATE_LB_TEST( 35, 5 );
PRIVATE_LB_TEST( 36, 5 );
PRIVATE_LB_TEST( 37, 5 );
PRIVATE_LB_TEST( 38, 5 );
PRIVATE_LB_TEST( 39, 5 );
PRIVATE_LB_TEST( 40, 5 );
PRIVATE_LB_TEST( 63, 5 );
PRIVATE_LB_TEST( 64, 6 );
PRIVATE_LB_TEST( 65, 6 );
PRIVATE_LB_TEST( 127, 6 );
PRIVATE_LB_TEST( 128, 7 );
PRIVATE_LB_TEST( 129, 7 );
PRIVATE_LB_TEST( 255, 7 );
PRIVATE_LB_TEST( 256, 8 );
PRIVATE_LB_TEST( 257, 8 );
PRIVATE_LB_TEST( 511, 8 );
PRIVATE_LB_TEST( 512, 9 );
PRIVATE_LB_TEST( 513, 9 );
PRIVATE_LB_TEST( 1023, 9 );
PRIVATE_LB_TEST( 1024, 10 );
PRIVATE_LB_TEST( 1025, 10 );
PRIVATE_LB_TEST( 2047, 10 );
PRIVATE_LB_TEST( 2048, 11 );
PRIVATE_LB_TEST( 2049, 11 );
PRIVATE_LB_TEST( 4095, 11 );
PRIVATE_LB_TEST( 4096, 12 );
PRIVATE_LB_TEST( 4097, 12 );
PRIVATE_LB_TEST( 8191, 12 );
PRIVATE_LB_TEST( 8192, 13 );
PRIVATE_LB_TEST( 8193, 13 );
PRIVATE_LB_TEST( 16383, 13 );
PRIVATE_LB_TEST( 16384, 14 );
PRIVATE_LB_TEST( 16385, 14 );
PRIVATE_LB_TEST( 32767, 14 );
PRIVATE_LB_TEST( 32768, 15 );
PRIVATE_LB_TEST( 32769, 15 );
PRIVATE_LB_TEST( 65535, 15 );
PRIVATE_LB_TEST( 65536, 16 );
PRIVATE_LB_TEST( 65537, 16 );
return boost::report_errors();
}

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@ -1,14 +0,0 @@
// Copyright John Maddock 2009.
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
#include <boost/integer/static_min_max.hpp> // must be the only #include!
int main()
{
boost::static_min_max_signed_type m = boost::static_signed_min<2, 3>::value + boost::static_signed_max<2, 3>::value;
(void)m;
boost::static_min_max_unsigned_type u = boost::static_unsigned_min<2, 3>::value + boost::static_unsigned_max<2, 3>::value;
(void)u;
}

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@ -1,92 +0,0 @@
// Boost static_min_max.hpp test program -----------------------------------//
// (C) Copyright Daryle Walker 2001.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// See https://www.boost.org for most recent version including documentation.
// Revision History
// 23 Sep 2001 Initial version (Daryle Walker)
#include <boost/core/lightweight_test.hpp> // for main, BOOST_TEST
#include <boost/cstdlib.hpp> // for boost::exit_success
#include <boost/integer/static_min_max.hpp> // for boost::static_signed_min, etc.
#include <iostream> // for std::cout (std::endl indirectly)
// Main testing function
int
main
(
int , // "argc" is unused
char * [] // "argv" is unused
)
{
using std::cout;
using std::endl;
using boost::static_signed_min;
using boost::static_signed_max;
using boost::static_unsigned_min;
using boost::static_unsigned_max;
// Two positives
cout << "Doing tests with two positive values." << endl;
BOOST_TEST( (static_signed_min< 9, 14>::value) == 9 );
BOOST_TEST( (static_signed_max< 9, 14>::value) == 14 );
BOOST_TEST( (static_signed_min<14, 9>::value) == 9 );
BOOST_TEST( (static_signed_max<14, 9>::value) == 14 );
BOOST_TEST( (static_unsigned_min< 9, 14>::value) == 9 );
BOOST_TEST( (static_unsigned_max< 9, 14>::value) == 14 );
BOOST_TEST( (static_unsigned_min<14, 9>::value) == 9 );
BOOST_TEST( (static_unsigned_max<14, 9>::value) == 14 );
// Two negatives
cout << "Doing tests with two negative values." << endl;
BOOST_TEST( (static_signed_min< -8, -101>::value) == -101 );
BOOST_TEST( (static_signed_max< -8, -101>::value) == -8 );
BOOST_TEST( (static_signed_min<-101, -8>::value) == -101 );
BOOST_TEST( (static_signed_max<-101, -8>::value) == -8 );
// With zero
cout << "Doing tests with zero and a positive or negative value." << endl;
BOOST_TEST( (static_signed_min< 0, 14>::value) == 0 );
BOOST_TEST( (static_signed_max< 0, 14>::value) == 14 );
BOOST_TEST( (static_signed_min<14, 0>::value) == 0 );
BOOST_TEST( (static_signed_max<14, 0>::value) == 14 );
BOOST_TEST( (static_unsigned_min< 0, 14>::value) == 0 );
BOOST_TEST( (static_unsigned_max< 0, 14>::value) == 14 );
BOOST_TEST( (static_unsigned_min<14, 0>::value) == 0 );
BOOST_TEST( (static_unsigned_max<14, 0>::value) == 14 );
BOOST_TEST( (static_signed_min< 0, -101>::value) == -101 );
BOOST_TEST( (static_signed_max< 0, -101>::value) == 0 );
BOOST_TEST( (static_signed_min<-101, 0>::value) == -101 );
BOOST_TEST( (static_signed_max<-101, 0>::value) == 0 );
// With identical
cout << "Doing tests with two identical values." << endl;
BOOST_TEST( (static_signed_min<0, 0>::value) == 0 );
BOOST_TEST( (static_signed_max<0, 0>::value) == 0 );
BOOST_TEST( (static_unsigned_min<0, 0>::value) == 0 );
BOOST_TEST( (static_unsigned_max<0, 0>::value) == 0 );
BOOST_TEST( (static_signed_min<14, 14>::value) == 14 );
BOOST_TEST( (static_signed_max<14, 14>::value) == 14 );
BOOST_TEST( (static_unsigned_min<14, 14>::value) == 14 );
BOOST_TEST( (static_unsigned_max<14, 14>::value) == 14 );
BOOST_TEST( (static_signed_min< -101, -101>::value) == -101 );
BOOST_TEST( (static_signed_max< -101, -101>::value) == -101 );
return boost::report_errors();
}