Added a workaround for C++20 ostream having deleted operator<< for wchar_t.

Due to the new overload resolution rules for comparison operators in C++20,
the comparison became ambiguous.

.travis.yml

@@ -1,4 +1,5 @@
 # Copyright 2016, 2017 Peter Dimov
+# 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)
 
@@ -6,31 +7,50 @@ language: cpp
 
 sudo: false
 
-python: "2.7"
-
-os:
-  - linux
-  - osx
+dist: trusty
 
 branches:
   only:
     - master
     - develop
+    - /feature\/.*/
 
 env:
   matrix:
-    - BOGUS_JOB=true
+    - EMPTY=true
 
 matrix:
 
   exclude:
-    - env: BOGUS_JOB=true
+    - env: EMPTY=true
 
   include:
+# gcc, Linux
     - os: linux
-      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03
+      dist: trusty
+      compiler: gcc-4.4
+      env: TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=98,0x
+      addons:
+        apt:
+          packages:
+            - g++-4.4
+          sources:
+            - ubuntu-toolchain-r-test
 
     - os: linux
+      dist: trusty
+      compiler: gcc-4.6
+      env: TOOLSET=gcc COMPILER=g++-4.6 CXXSTD=03,0x
+      addons:
+        apt:
+          packages:
+            - g++-4.6
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      dist: trusty
+      compiler: gcc-4.7
       env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11
       addons:
         apt:
@@ -40,6 +60,8 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
+      dist: xenial
+      compiler: gcc-4.8
       env: TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11
       addons:
         apt:
@@ -49,6 +71,8 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
+      dist: xenial
+      compiler: gcc-4.9
       env: TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11
       addons:
         apt:
@@ -58,7 +82,9 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14
+      dist: xenial
+      compiler: gcc-5
+      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z
       addons:
         apt:
           packages:
@@ -67,6 +93,8 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
+      dist: xenial
+      compiler: gcc-6
       env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z
       addons:
         apt:
@@ -76,7 +104,9 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      env: TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,1z
+      dist: xenial
+      compiler: gcc-7
+      env: TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17
       addons:
         apt:
           packages:
@@ -85,8 +115,9 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17
+      dist: xenial
+      compiler: gcc-8
+      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17,2a
       addons:
         apt:
           packages:
@@ -95,117 +126,285 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11
-
-    - os: linux
-      compiler: clang++-libc++
-      env: TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=03,11,14,1z
+      dist: bionic
+      compiler: gcc-9
+      env: TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17,2a
       addons:
         apt:
           packages:
-            - libc++-dev
+            - g++-9
+          sources:
+            - sourceline: "ppa:ubuntu-toolchain-r/test"
 
     - os: linux
-      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11
+      dist: bionic
+      compiler: gcc-10
+      env: TOOLSET=gcc COMPILER=g++-10 CXXSTD=03,11,14,17,20
+      addons:
+        apt:
+          packages:
+            - g++-10
+          sources:
+            - sourceline: "ppa:ubuntu-toolchain-r/test"
+
+    - os: linux
+      dist: bionic
+      compiler: gcc-UBSAN
+      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-10 CXXSTD=03,11,14,17,20 UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
+      addons:
+        apt:
+          packages:
+            - g++-10
+          sources:
+            - sourceline: "ppa:ubuntu-toolchain-r/test"
+
+# clang, Linux
+    - os: linux
+      dist: trusty
+      compiler: clang-3.4
+      env: TOOLSET=clang COMPILER=clang++-3.4 CXXSTD=03,11
+      addons:
+        apt:
+          packages:
+            - clang-3.4
+            - libstdc++-4.9-dev
+          sources:
+            - ubuntu-toolchain-r-test
+            - sourceline: "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.4 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+
+    - os: linux
+      dist: trusty
+      compiler: clang-3.5
+      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11,14,1z
       addons:
         apt:
           packages:
             - clang-3.5
+            - libstdc++-4.9-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.5
+            - sourceline: "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.5 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
 
     - os: linux
-      env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03,11
+      dist: trusty
+      compiler: clang-3.6
+      env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03,11,14,1z
       addons:
         apt:
           packages:
             - clang-3.6
+            - libstdc++-5-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.6
+            - sourceline: "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.6 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
 
     - os: linux
-      env: TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03,11
+      dist: trusty
+      compiler: clang-3.7
+      env: TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03,11,14,1z
       addons:
         apt:
           packages:
             - clang-3.7
+            - libstdc++-5-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.7
+            - sourceline: "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.7 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
 
     - os: linux
-      env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03,11
+      dist: xenial
+      compiler: clang-3.8
+      env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03,11,14,1z
       addons:
         apt:
           packages:
             - clang-3.8
+            - libstdc++-6-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-precise-3.8
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-3.8 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
 
     - os: linux
-      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03,11
+      dist: xenial
+      compiler: clang-3.9
+      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03,11,14,1z
       addons:
         apt:
           packages:
             - clang-3.9
+            - libstdc++-6-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-3.9
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-3.9 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
 
     - os: linux
-      compiler: clang++-4.0
+      dist: xenial
+      compiler: clang-4
       env: TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03,11,14,1z
       addons:
         apt:
           packages:
             - clang-4.0
+            - libstdc++-6-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-4.0
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-4.0 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
 
     - os: linux
-      compiler: clang++-5.0
+      dist: xenial
+      compiler: clang-5
       env: TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03,11,14,1z
       addons:
         apt:
           packages:
             - clang-5.0
+            - libstdc++-7-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-5.0
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-5.0 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
 
     - os: linux
-      compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,17
+      dist: xenial
+      compiler: clang-6
+      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,17,2a
       addons:
         apt:
           packages:
             - clang-6.0
+            - libstdc++-8-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-6.0
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-6.0 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
 
     - os: linux
-      compiler: clang++-7
-      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,17
+      dist: xenial
+      compiler: clang-7
+      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,17,2a
       addons:
         apt:
           packages:
             - clang-7
+            - libstdc++-8-dev
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-7
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-7 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+
+    - os: linux
+      dist: xenial
+      compiler: clang-8
+      env: TOOLSET=clang COMPILER=clang++-8 CXXSTD=03,11,14,17,2a
+      addons:
+        apt:
+          packages:
+            - clang-8
+            - libstdc++-8-dev
+          sources:
+            - ubuntu-toolchain-r-test
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-8 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+
+    - os: linux
+      dist: xenial
+      compiler: clang-9
+      env: TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11,14,17,2a
+      addons:
+        apt:
+          packages:
+            - clang-9
+            - libstdc++-9-dev
+          sources:
+            - sourceline: "ppa:ubuntu-toolchain-r/test"
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+
+    - os: linux
+      dist: xenial
+      compiler: clang-10
+      env: TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,11,14,17,20
+      addons:
+        apt:
+          packages:
+            - clang-10
+            - libstdc++-9-dev
+          sources:
+            - sourceline: "ppa:ubuntu-toolchain-r/test"
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-10 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+
+    - os: linux
+      dist: xenial
+      compiler: clang-UBSAN
+      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,11,14,17,20 UBSAN_OPTIONS=print_stacktrace=1
+      addons:
+        apt:
+          packages:
+            - clang-10
+            - libstdc++-9-dev
+          sources:
+            - sourceline: "ppa:ubuntu-toolchain-r/test"
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-10 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+
+    - os: linux
+      dist: xenial
+      compiler: clang-libc++
+      env: TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,11,14,17,20 CXXFLAGS="-stdlib=libc++" LINKFLAGS="-stdlib=libc++"
+      addons:
+        apt:
+          packages:
+            - clang-10
+            - libc++-10-dev
+            - libc++abi-10-dev
+          sources:
+            - sourceline: "ppa:ubuntu-toolchain-r/test"
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-10 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+
+    - os: linux
+      dist: xenial
+      compiler: clang-libc++-UBSAN
+      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,11,14,17,20 UBSAN_OPTIONS=print_stacktrace=1 CXXFLAGS="-stdlib=libc++" LINKFLAGS="-stdlib=libc++"
+      addons:
+        apt:
+          packages:
+            - clang-10
+            - libc++-10-dev
+            - libc++abi-10-dev
+          sources:
+            - sourceline: "ppa:ubuntu-toolchain-r/test"
+            - sourceline: "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-10 main"
+              key_url: "https://apt.llvm.org/llvm-snapshot.gpg.key"
+
+# clang, OS X
+# OS X builds are slow on Travis CI
+#    - os: osx
+#      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+#      osx_image: xcode9.4
+#
+#    - os: osx
+#      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+#      osx_image: xcode10.3
 
     - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,17
+      osx_image: xcode11.2
 
 install:
   - GIT_FETCH_JOBS=8
+  - BOOST_BRANCH=develop
+  - if [ "$TRAVIS_BRANCH" = "master" ]; then BOOST_BRANCH=master; fi
   - cd ..
-  - git clone -b $TRAVIS_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+  - 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
@@ -222,7 +421,7 @@ 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
+  - ./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"}
 
 notifications:
   email:

appveyor.yml

@@ -1,4 +1,4 @@
-# Copyright 2016 Peter Dimov
+# 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)
 
@@ -10,57 +10,70 @@ branches:
   only:
     - master
     - develop
-
-platform:
-  - x64
+    - /feature\/.*/
 
 environment:
   matrix:
-    - ARGS: --toolset=msvc-9.0  address-model=32
-    - ARGS: --toolset=msvc-10.0 address-model=32
-    - ARGS: --toolset=msvc-11.0 address-model=32
-    - ARGS: --toolset=msvc-12.0 address-model=32
-    - ARGS: --toolset=msvc-14.0 address-model=32
-    - ARGS: --toolset=msvc-12.0 address-model=64
-    - ARGS: --toolset=msvc-14.0 address-model=64
-    - ARGS: --toolset=msvc-14.0 address-model=64 cxxflags=-std:c++latest
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      ARGS: --toolset=msvc-14.1 address-model=64
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      ARGS: --toolset=msvc-14.1 address-model=32
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      ARGS: --toolset=msvc-14.1 address-model=64 cxxflags=-std:c++latest
-    - ARGS: --toolset=gcc address-model=64
-      PATH: C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin;%PATH%
-    - ARGS: --toolset=gcc address-model=64 cxxflags=-std=gnu++1z
-      PATH: C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin;%PATH%
-    - ARGS: --toolset=gcc address-model=32
-      PATH: C:\mingw-w64\i686-5.3.0-posix-dwarf-rt_v4-rev0\mingw32\bin;%PATH%
-    - ARGS: --toolset=gcc address-model=32 linkflags=-Wl,-allow-multiple-definition
-      PATH: C:\MinGW\bin;%PATH%
-
+    - TOOLSET: msvc-9.0,msvc-10.0,msvc-11.0,msvc-12.0
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+    - TOOLSET: msvc-14.0
+      ADDRMD: 32,64
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+    - TOOLSET: msvc-14.1
+      CXXSTD: 14,17
+      ADDRMD: 32,64
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+    - TOOLSET: msvc-14.2
+      ADDRMD: 32,64
+      CXXSTD: 14,17
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+    - TOOLSET: clang-win
+      ADDRMD: 32,64
+      CXXSTD: 14,17
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+    - TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+      ADDPATH: C:\cygwin\bin;
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+    - TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+      ADDPATH: C:\cygwin64\bin;
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+    - TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+      ADDPATH: C:\mingw\bin;
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+    - TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+      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: 03,11,14,1z
+      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 %APPVEYOR_REPO_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+  - 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/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
-  - bootstrap
-  - b2 headers
+  - cmd /c bootstrap
+  - b2 -d0 headers
 
 build: off
 
 test_script:
-  - cd libs\config\test
-  - ..\..\..\b2 config_info_travis_install %ARGS%
-  - config_info_travis
-  - cd ..\..\integer\test
-  - ..\..\..\b2 -j %NUMBER_OF_PROCESSORS% %ARGS% define=CI_SUPPRESS_KNOWN_ISSUES
+  - 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%

include/boost/integer.hpp

@@ -137,7 +137,7 @@ namespace boost
   {
      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(__BORLANDC__) || defined(__CODEGEAR__)) && defined(BOOST_NO_INTEGRAL_INT64_T)
+#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 +
@@ -219,7 +219,7 @@ namespace boost
 #endif
   struct uint_value_t
   {
-#if (defined(__BORLANDC__) || defined(__CODEGEAR__))
+#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 =

include/boost/integer/common_factor_ct.hpp

@@ -30,7 +30,7 @@ namespace detail
         BOOST_STATIC_CONSTANT( static_gcd_type, new_value1 = Value2 );
         BOOST_STATIC_CONSTANT( static_gcd_type, new_value2 = Value1 % Value2 );
 
-        #ifndef __BORLANDC__
+        #ifndef BOOST_BORLANDC
         #define BOOST_DETAIL_GCD_HELPER_VAL(Value) static_cast<static_gcd_type>(Value)
         #else
         typedef static_gcd_helper_t  self_type;

include/boost/integer/common_factor_rt.hpp

@@ -83,9 +83,9 @@ namespace boost {
          }
 #endif
 
-      template <class T, bool a = 
+      template <class T, bool a =
 #ifndef BOOST_NO_CXX11_HDR_TYPE_TRAITS
-         std::is_unsigned<T>::value || 
+         std::is_unsigned<T>::value ||
 #endif
          (std::numeric_limits<T>::is_specialized && !std::numeric_limits<T>::is_signed)>
       struct gcd_traits_abs_defaults
@@ -129,7 +129,7 @@ namespace boost {
          BOOST_FORCEINLINE static BOOST_CXX14_CONSTEXPR unsigned make_odd(T& val) BOOST_GCD_NOEXCEPT(T)
          {
             unsigned r = 0;
-            while(0 == (val & 1u))
+            while (T(0) == (val & 1u))
             {
 #ifdef _MSC_VER  // VC++ can't handle operator >>= in constexpr code for some reason
                val = val >> 1;
@@ -210,28 +210,28 @@ namespace boost {
       // 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> 
+      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> 
+      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> 
+      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> 
+      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> 
+      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> 
+      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> 
+      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> 
+      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> 
+      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> 
+      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
 
@@ -360,7 +360,7 @@ namespace boost {
    }
 
     /** Stein gcd (aka 'binary gcd')
-     * 
+     *
      * From Mathematics to Generic Programming, Alexander Stepanov, Daniel Rose
      */
     template <typename SteinDomain>
@@ -388,11 +388,11 @@ namespace boost {
         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)
@@ -494,10 +494,10 @@ inline typename boost::enable_if_c<std::numeric_limits<Integer>::is_specialized,
  *
  * 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, 
+ *
+ * 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.
  */
@@ -507,12 +507,13 @@ 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++;
+
+    T d = *first;
+    ++first;
     while (d != T(1) && first != last)
     {
         d = gcd(d, *first);
-        first++;
+        ++first;
     }
     return std::make_pair(d, first);
 }
@@ -522,12 +523,13 @@ 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++;
-    while (d != T(1) && first != last)
+
+    T d = *first;
+    ++first;
+    while (d != T(0) && first != last)
     {
         d = lcm(d, *first);
-        first++;
+        ++first;
     }
     return std::make_pair(d, first);
 }
@@ -544,7 +546,7 @@ public:
    typedef IntegerType second_argument_type;
    typedef IntegerType result_type;
 #endif
-   IntegerType operator()(IntegerType const &a, IntegerType const &b)const
+   IntegerType operator()(IntegerType const &a, IntegerType const &b) const
    {
       return boost::integer::gcd(a, b);
    }

include/boost/integer/integer_log2.hpp

@@ -15,12 +15,12 @@
 #ifndef BOOST_INTEGER_INTEGER_LOG2_HPP
 #define BOOST_INTEGER_INTEGER_LOG2_HPP
 
-#include <assert.h>
-#ifdef __BORLANDC__
-#include <climits>
-#endif
 #include <boost/limits.hpp>
 #include <boost/config.hpp>
+#include <boost/assert.hpp>
+#if defined(BOOST_BORLANDC)
+#include <climits>
+#endif
 
 
 namespace boost {
@@ -75,7 +75,7 @@ namespace boost {
   template <typename T>
   struct width {
 
-#ifdef __BORLANDC__
+#ifdef BOOST_BORLANDC
       BOOST_STATIC_CONSTANT(int, value = sizeof(T) * CHAR_BIT);
 #else
       BOOST_STATIC_CONSTANT(int, value = (std::numeric_limits<T>::digits));
@@ -93,7 +93,7 @@ namespace boost {
  template <typename T>
  int integer_log2(T x) {
 
-     assert(x > 0);
+     BOOST_ASSERT(x > 0);
 
      const int n = detail::max_pow2_less<
                      detail::width<T> :: value, 4

include/boost/integer/static_log2.hpp

@@ -16,7 +16,8 @@
 #ifndef BOOST_INTEGER_STATIC_LOG2_HPP
 #define BOOST_INTEGER_STATIC_LOG2_HPP
 
-#include "boost/integer_fwd.hpp" // for boost::intmax_t
+#include <boost/config.hpp>
+#include <boost/integer_fwd.hpp>
 
 namespace boost {
 
@@ -122,6 +123,4 @@ namespace boost {
 
 }
 
-
-
 #endif // include guard

include/boost/integer/static_min_max.hpp

@@ -10,6 +10,7 @@
 #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

include/boost/integer_traits.hpp

@@ -103,7 +103,7 @@ class integer_traits<wchar_t>
     // 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(__BORLANDC__) || defined(__CYGWIN__) || defined(__MINGW32__) || (defined(__BEOS__) && defined(__GNUC__))
+#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))\

test/common_factor_test.cpp

@@ -254,7 +254,7 @@ public:
 
 #if BOOST_WORKAROUND(BOOST_MSVC,<1300)
 // MSVC 6.0 lacks operator<< for __int64, see
-// http://support.microsoft.com/default.aspx?scid=kb;en-us;168440
+// https://support.microsoft.com/kb/168440/
 
 inline ostream& operator<<(ostream& os, __int64 i)
 {
@@ -542,6 +542,15 @@ void variadics()
    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);

test/integer_test.cpp

@@ -27,7 +27,7 @@
 #ifdef BOOST_MSVC
 #pragma warning(disable:4127) // conditional expression is constant
 #endif
-#if defined( __BORLANDC__ )
+#if defined( BOOST_BORLANDC )
 # pragma option -w-8008 -w-8066 // condition is always true
 #endif
 

test/integer_traits_test.cpp

@@ -35,6 +35,7 @@ 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
@@ -42,6 +43,7 @@ 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>