Release 1.50.0

[SVN r79156]
2026-08-04 12:34:32 +02:00 · 2012-06-28 12:37:29 +00:00
45 changed files with 7311 additions and 1270 deletions
@@ -1,11 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
-
-version: 2
-updates:
-  - package-ecosystem: "github-actions" # See documentation for possible values
-    directory: "/" # Location of package manifests
-    schedule:
-        interval: "weekly"
@@ -1,182 +0,0 @@
-name: CI
-
-on:
-  pull_request:
-  push:
-    branches:
-      - master
-      - develop
-      - feature/**
-
-env:
-  UBSAN_OPTIONS: print_stacktrace=1
-
-jobs:
-  posix:
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - toolset: gcc-14  # Do not remove! It is the only toolset that tests CMake tests down below
-            cxxstd: "03,11,14,17,20"
-            os: ubuntu-24.04
-          - toolset: gcc-12
-            cxxstd: "03,11,14,17,2a"
-            os: ubuntu-22.04
-            cxxflags: "cxxflags=--coverage -fsanitize=address,leak,undefined -fno-sanitize-recover=undefined"
-            linkflags: "linkflags=--coverage -lasan -lubsan"
-            gcov_tool: "gcov-12"
-          - toolset: clang
-            compiler: clang++-14
-            cxxstd: "03,11,14,17,2a"
-            os: ubuntu-22.04
-
-    runs-on: ${{matrix.os}}
-
-    steps:
-      - uses: actions/checkout@v6
-
-      - name: Install packages
-        if: matrix.install
-        run: sudo apt install ${{matrix.install}}
-
-      - 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
-          cd ..
-          git clone -b $BOOST_BRANCH --depth 10 https://github.com/boostorg/boost.git boost-root
-          cd boost-root
-          git submodule update --init --depth 10 --jobs 2 tools/boostdep tools/inspect libs/filesystem
-          python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 3" filesystem
-          rm -rf libs/$LIBRARY/*
-          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
-          python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--depth 10 --jobs 3" $LIBRARY
-          ./bootstrap.sh
-          ./b2 -j4 variant=debug tools/inspect
-
-      - name: Run CMake tests
-        if: ${{matrix.toolset == 'gcc-14'}}
-        run: |
-          cd ../boost-root/
-          mkdir __build
-          cd __build
-          cmake -DBUILD_TESTING=1 -DBOOST_INCLUDE_LIBRARIES=conversion -DCMAKE_CXX_COMPILER=g++-14 -DCMAKE_C_COMPILER=gcc-14 ..
-          cmake --build . --target tests
-          ctest --output-on-failure --no-tests=error
-          cd ..
-          rm -rf __build
-
-      - name: Run tests
-        run: |
-          cd ../boost-root
-          ./b2 -j3 libs/$LIBRARY/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} variant=debug,release "${{matrix.cxxflags}}" "${{matrix.linkflags}}" "${{matrix.launcher}}"
-          dist/bin/inspect libs/$LIBRARY
-
-      - name: Prepare coverage data
-        if: matrix.gcov_tool
-        run: |
-          mkdir -p $GITHUB_WORKSPACE/coveralls
-
-          echo -e "#!/bin/bash\nexec ${{matrix.gcov_tool}} \"\$@\"" > $GITHUB_WORKSPACE/coveralls/gcov_wrapper.sh
-          chmod +x $GITHUB_WORKSPACE/coveralls/gcov_wrapper.sh
-          wget https://github.com/linux-test-project/lcov/archive/v1.16.zip
-          unzip v1.16.zip
-          LCOV="`pwd`/lcov-1.16/bin/lcov --gcov-tool $GITHUB_WORKSPACE/coveralls/gcov_wrapper.sh"
-
-          echo "$LCOV --directory ../boost-root/bin.v2/libs/$LIBRARY/ --base-directory `pwd`/libs/$LIBRARY/test --capture --output-file $GITHUB_WORKSPACE/coveralls/coverage.info"
-          $LCOV --directory ../boost-root/bin.v2/libs/$LIBRARY/ --base-directory ../boost-root/ --capture --output-file $GITHUB_WORKSPACE/coveralls/coverage.info
-          $LCOV --remove $GITHUB_WORKSPACE/coveralls/coverage.info "/usr*" "*/$LIBRARY/test/*" ${{matrix.ignore_coverage}} "*/$LIBRARY/tests/*" "*/$LIBRARY/examples/*" "*/$LIBRARY/example/*" -o $GITHUB_WORKSPACE/coveralls/coverage.info
-
-          cd ../boost-root
-          OTHER_LIBS=`grep "submodule .*" .gitmodules | sed 's/\[submodule\ "\(.*\)"\]/"\*\/boost\/\1\.hpp" "\*\/boost\/\1\/\*"/g'| sed "/\"\*\/boost\/$LIBRARY\/\*\"/d" | sed ':a;N;$!ba;s/\n/ /g'`
-          echo $OTHER_LIBS
-          eval "$LCOV --remove $GITHUB_WORKSPACE/coveralls/coverage.info $OTHER_LIBS -o $GITHUB_WORKSPACE/coveralls/coverage.info"
-
-      - name: Coveralls
-        uses: coverallsapp/github-action@master
-        if: matrix.gcov_tool
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          path-to-lcov: ./coveralls/coverage.info
-          parallel: true
-
-  windows:
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - toolset: msvc-14.3
-            cxxstd: "14,17,latest"
-            addrmd: 32,64
-            os: windows-2025
-          - toolset: gcc
-            cxxstd: "03,11,14,17,2a"
-            addrmd: 64
-            os: windows-2025
-
-    runs-on: ${{matrix.os}}
-
-    steps:
-      - uses: actions/checkout@v6
-
-      - name: Setup Boost
-        shell: cmd
-        run: |
-          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
-          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
-          echo LIBRARY: %LIBRARY%
-          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
-          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
-          echo GITHUB_REF: %GITHUB_REF%
-          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
-          set BOOST_BRANCH=develop
-          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
-          echo BOOST_BRANCH: %BOOST_BRANCH%
-          cd ..
-          git clone -b %BOOST_BRANCH% --depth 10 https://github.com/boostorg/boost.git boost-root
-          cd boost-root
-          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
-          git submodule update --init tools/boostdep
-          python tools/boostdep/depinst/depinst.py --include benchmark --include example --include examples --include tools --git_args "--jobs 3" %LIBRARY%
-          cmd /c bootstrap
-
-      - name: Run CMake tests
-        if: ${{matrix.toolset == 'msvc-14.3'}}
-        shell: cmd
-        run: |
-          choco install --no-progress ninja
-          call "C:/Program Files/Microsoft Visual Studio/2022/Enterprise/VC/Auxiliary/Build/vcvarsall.bat" x64
-          cd ../boost-root/
-          mkdir __build
-          cd __build
-          cmake -DBUILD_TESTING=1 -DBOOST_INCLUDE_LIBRARIES=conversion ..
-          cmake --build . --target tests --config Debug
-          ctest --output-on-failure --no-tests=error -C Debug
-          cd ..
-          rm -rf __build
-
-      - name: Run tests
-        shell: cmd
-        run: |
-          cd ../boost-root
-          b2 -j3 libs/%LIBRARY%/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} address-model=${{matrix.addrmd}} variant=debug,release
-
-  finish:
-    needs: posix
-    runs-on: ubuntu-latest
-    steps:
-    - name: Coveralls Finished
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.github_token }}
-        parallel-finished: true
@@ -1,22 +0,0 @@
-# Copyright 2019 Mike Dev
-# Distributed under the Boost Software License, Version 1.0.
-# See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
-
-cmake_minimum_required( VERSION 3.5...4.20 )
-project( boost_conversion VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX )
-
-add_library( boost_conversion INTERFACE )
-add_library( Boost::conversion ALIAS boost_conversion )
-
-target_include_directories( boost_conversion INTERFACE include )
-
-target_link_libraries( boost_conversion
-    INTERFACE
-        Boost::assert
-        Boost::config
-        Boost::throw_exception
-)
-
-if(BUILD_TESTING)
-  add_subdirectory(test)
-endif()
@@ -1,15 +0,0 @@
-# [Boost.Conversion](https://boost.org/libs/conversion)
-Boost.Conversion is one of the [Boost C++ Libraries](https://github.com/boostorg). This library improves program safety and clarity by performing otherwise messy conversions. 
-
-### Test results
-
-@               | Build         | Tests coverage | More info
----------------|-------------- | -------------- |-----------
-Develop branch: | [![CI](https://github.com/boostorg/conversion/actions/workflows/ci.yml/badge.svg?branch=develop)](https://github.com/boostorg/conversion/actions/workflows/ci.yml) [![Build status](https://ci.appveyor.com/api/projects/status/1cky1hrunfa46bdx/branch/develop?svg=true)](https://ci.appveyor.com/project/apolukhin/conversion/branch/develop) | [![Coverage Status](https://coveralls.io/repos/github/boostorg/conversion/badge.svg?branch=develop)](https://coveralls.io/github/boostorg/conversion?branch=develop) | [details...](https://regression.boost.io/develop/developer/conversion.html)
-Master branch:  | [![CI](https://github.com/boostorg/conversion/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/boostorg/conversion/actions/workflows/ci.yml) [![Build status](https://ci.appveyor.com/api/projects/status/1cky1hrunfa46bdx/branch/master?svg=true)](https://ci.appveyor.com/project/apolukhin/conversion/branch/master) | [![Coverage Status](https://coveralls.io/repos/github/boostorg/conversion/badge.svg?branch=master)](https://coveralls.io/github/boostorg/conversion?branch=master) | [details...](https://regression.boost.io/master/developer/conversion.html)
-
-[Latest developer documentation](https://www.boost.org/doc/libs/develop/doc/html/conversion.html)
-
-### License
-
-Distributed under the [Boost Software License, Version 1.0](https://boost.org/LICENSE_1_0.txt).
@@ -1,25 +0,0 @@
-# Copyright René Ferdinand Rivera Morell 2023-2024
-# Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
-
-require-b2 5.2 ;
-
-constant boost_dependencies :
-    /boost/assert//boost_assert
-    /boost/config//boost_config
-    /boost/throw_exception//boost_throw_exception ;
-
-project /boost/conversion
-    : common-requirements
-        <include>include
-    ;
-
-explicit
-    [ alias boost_conversion : : : : <library>$(boost_dependencies) ]
-    [ alias all : boost_conversion test ]
-    ;
-
-call-if : boost-library conversion
-    ;
-
@@ -0,0 +1,140 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+
+<html>
+  <head>
+    <meta name="generator" content=
+    "Microsoft FrontPage 5.0">
+    <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/cast.hpp Documentation</title>
+  </head>
+
+  <body bgcolor="#FFFFFF" text="#000000">
+    <h1><img src="../../boost.png" alt="boost.png (6897 bytes)" align=
+    "middle" width="277" height="86">Header <a href=
+    "../../boost/cast.hpp">boost/cast.hpp</a></h1>
+
+    <h2><a name="Cast Functions">Cast Functions</a></h2>
+
+    <p>The header <a href="../../boost/cast.hpp">boost/cast.hpp</a> provides <code>
+    <a href="#Polymorphic_cast">polymorphic_cast</a> and</code> <a href=
+    "#Polymorphic_cast"><code>polymorphic_downcast</code></a> function templates designed to
+    complement the C++ built-in casts.</p>
+
+    <p>The program <a href="cast_test.cpp">cast_test.cpp</a> can be used to
+    verify these function templates work as expected.</p>
+
+    <h3><a name="Polymorphic_cast">Polymorphic casts</a></h3>
+
+    <p>Pointers to polymorphic objects (objects of classes which define at
+    least one virtual function) are sometimes downcast or crosscast.
+    Downcasting means casting from a base class to a derived class.
+    Crosscasting means casting across an inheritance hierarchy diagram, such
+    as from one base to the other in a <code>Y</code> diagram hierarchy.</p>
+
+    <p>Such casts can be done with old-style casts, but this approach is
+    never to be recommended. Old-style casts are sorely lacking in type
+    safety, suffer poor readability, and are difficult to locate with search
+    tools.</p>
+
+    <p>The C++ built-in <code>static_cast</code> can be used for efficiently
+    downcasting pointers to polymorphic objects, but provides no error
+    detection for the case where the pointer being cast actually points to
+    the wrong derived class. The <code>polymorphic_downcast</code> template retains
+    the efficiency of <code>static_cast</code> for non-debug compilations, but for
+    debug compilations adds safety via an assert() that a <code>dynamic_cast</code>
+    succeeds.</p>
+
+    <p>The C++ built-in <code>dynamic_cast</code> can be used for downcasts and
+    crosscasts of pointers to polymorphic objects, but error notification in
+    the form of a returned value of 0 is inconvenient to test, or worse yet,
+    easy to forget to test. The throwing form of <code>dynamic_cast</code>, which
+    works on references, can be used on pointers through the ugly expression
+    &amp;<code>dynamic_cast&lt;T&amp;&gt;(*p)</code>, which causes undefined
+    behavior if <code>p</code> is <code>0</code>. The <code>polymorphic_cast</code>
+    template performs a <code>dynamic_cast</code> on a pointer, and throws an
+    exception if the <code>dynamic_cast</code> returns 0.</p>
+
+    <p>A <code>polymorphic_downcast</code> should be used for
+    downcasts that you are certain should succeed.  Error checking is
+    only performed in translation units where <code>NDEBUG</code> is
+    not defined, via
+<pre>  assert( dynamic_cast&lt;Derived&gt;(x) == x )
+</pre> where <code>x</code> is the source pointer.  This approach
+    ensures that not only is a non-zero pointer returned, but also
+    that it is correct in the presence of multiple inheritance.
+    Attempts to crosscast using <code>polymorphic_downcast</code> will
+    fail to compile.
+    <b>Warning:</b> Because <code>polymorphic_downcast</code> uses assert(), it
+    violates the One Definition Rule (ODR) if NDEBUG is inconsistently
+    defined across translation units. [See ISO Std 3.2]
+</p><p>
+    For crosscasts, or when the success of a cast can only be known at
+    runtime, or when efficiency is not important,
+    <code>polymorphic_cast</code> is preferred. </p>
+
+    <p>The C++ built-in <code>dynamic_cast</code> must be used to cast references
+    rather than pointers. It is also the only cast that can be used to check
+    whether a given interface is supported; in that case a return of 0 isn't
+    an error condition.</p>
+
+    <h3>polymorphic_cast and polymorphic_downcast synopsis</h3>
+
+    <blockquote>
+<pre>namespace boost {
+
+template &lt;class Derived, class Base&gt;
+inline Derived polymorphic_cast(Base* x);
+// Throws: std::bad_cast if ( dynamic_cast&lt;Derived&gt;(x) == 0 )
+// Returns: dynamic_cast&lt;Derived&gt;(x)
+
+template &lt;class Derived, class Base&gt;
+inline Derived polymorphic_downcast(Base* x);
+// Effects: assert( dynamic_cast&lt;Derived&gt;(x) == x );
+// Returns: static_cast&lt;Derived&gt;(x)
+
+}
+</pre>
+    </blockquote>
+
+    <h3>polymorphic_downcast example</h3>
+
+    <blockquote>
+<pre>#include &lt;boost/cast.hpp&gt;
+...
+class Fruit { public: virtual ~Fruit(){}; ... };
+class Banana : public Fruit { ... };
+...
+void f( Fruit * fruit ) {
+// ... logic which leads us to believe it is a Banana
+  Banana * banana = boost::polymorphic_downcast&lt;Banana*&gt;(fruit);
+  ...
+</pre>
+    </blockquote>
+
+    <h3>History</h3>
+
+    <p><code>polymorphic_cast</code> was suggested by Bjarne Stroustrup in "The C++
+    Programming Language".<br>
+     <code>polymorphic_downcast</code> was contributed by <a href=
+    "http://www.boost.org/people/dave_abrahams.htm">Dave Abrahams</a>.<code><br>
+     An old
+     numeric_cast</code> that was contributed by <a href=
+    "http://www.boost.org/people/kevlin_henney.htm">Kevlin Henney</a> is now superseeded by the <a href="../numeric/conversion/doc/html/index.html">Boost Numeric Conversion Library</a></p>
+    <hr>
+
+    <p>Revised
+    <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan
+                    -->June 23, 2005<!--webbot bot="Timestamp" endspan i-checksum="30348"
+                    --></p>
+
+    <p>&copy; Copyright boost.org 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 "as is" without express
+    or implied warranty, and with no claim as to its suitability for any
+    purpose.</p>
+  </body>
+</html>
@@ -14,8 +14,13 @@
 //    3 Aug 99  Initial Version

 #include <iostream>
-#include <boost/polymorphic_cast.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <climits>
+#include <cfloat>   // for DBL_MAX (Peter Schmid)
+#include <boost/cast.hpp>
+
+#  if SCHAR_MAX == LONG_MAX
+#      error "This test program doesn't work if SCHAR_MAX == LONG_MAX"
+#  endif

 using namespace boost;
 using std::cout;
@@ -38,48 +43,6 @@ namespace
    };
 }

-constexpr bool compile_time_polymorphic_cast_check() {
-#if defined(__cpp_constexpr) && __cpp_constexpr >= 201907L
-    Derived derived;
-    Base* base = &derived;
-    return polymorphic_cast<Derived*>(base) != nullptr;
-#endif
-    return true;
-}
-
-static_assert(
-    compile_time_polymorphic_cast_check(),
-    "polymorphic_cast does not work at compile time"
-);
-
-constexpr bool compile_time_polymorphic_downcast_check() {
-#if defined(__cpp_constexpr) && __cpp_constexpr >= 201907L
-    Derived derived;
-    Base* base = &derived;
-    return polymorphic_downcast<Derived*>(base) != nullptr;
-#endif
-    return true;
-}
-
-static_assert(
-    compile_time_polymorphic_downcast_check(),
-    "polymorphic_downcast does not work at compile time"
-);
-
-constexpr bool compile_time_polymorphic_downcast2_check() {
-#if defined(__cpp_constexpr) && __cpp_constexpr >= 201907L
-    Derived derived;
-    Base& base = derived;
-    Derived& derived_again = polymorphic_downcast<Derived&>(base);
-    (void)derived_again;
-#endif
-    return true;
-}
-
-static_assert(
-    compile_time_polymorphic_downcast2_check(),
-    "polymorphic_downcast does not work at compile time"
-);

 int main( int argc, char * argv[] )
 {
@@ -94,31 +57,35 @@ int main( int argc, char * argv[] )
 //  test polymorphic_cast  ---------------------------------------------------//

    //  tests which should succeed
-    Derived derived_instance;
-    Base * base = &derived_instance;
-    Derived * derived = polymorphic_downcast<Derived*>( base );  // downcast
-    BOOST_TEST( derived->kind() == 'D' );
+    Base *    base = new Derived;
+    Base2 *   base2 = 0;
+    Derived * derived = 0;
+    derived = polymorphic_downcast<Derived*>( base );  // downcast
+    assert( derived->kind() == 'D' );

+    derived = 0;
    derived = polymorphic_cast<Derived*>( base ); // downcast, throw on error
-    BOOST_TEST( derived->kind() == 'D' );
+    assert( derived->kind() == 'D' );

-    Base2 *   base2 =  polymorphic_cast<Base2*>( base ); // crosscast
-    BOOST_TEST( base2->kind2() == '2' );
+    base2 = polymorphic_cast<Base2*>( base ); // crosscast
+    assert( base2->kind2() == '2' );

     //  tests which should result in errors being detected
-    Base base_instance;
-    base = &base_instance;
+    int err_count = 0;
+    base = new Base;

    if ( argc > 1 && *argv[1] == '1' )
        { derived = polymorphic_downcast<Derived*>( base ); } // #1 assert failure

    bool caught_exception = false;
    try { derived = polymorphic_cast<Derived*>( base ); }
-    catch (const std::bad_cast&)
+    catch (std::bad_cast)
        { cout<<"caught bad_cast\n"; caught_exception = true; }
-    BOOST_TEST( caught_exception );
+    if ( !caught_exception ) ++err_count;
    //  the following is just so generated code can be inspected
-    BOOST_TEST( derived->kind() != 'B' );
+    if ( derived->kind() == 'B' ) ++err_count;

-    return boost::report_errors();
+    cout << err_count << " errors detected\nTest "
+         << (err_count==0 ? "passed\n" : "failed\n");
+    return err_count;
 }   // main
@@ -1,38 +1,16 @@
-#   Copyright (c) 2016 Mikhail Maximov <vigorous.activity -at- gmail.com>
-
-#   Distributed under the Boost Software License, Version 1.0.
-#   (See accompanying file LICENSE_1_0.txt or copy at
-#   http://www.boost.org/LICENSE_1_0.txt)
-
-project doc/conversion ;
+# Copyright Antony Polukhin 2011. Use, modification, and distribution are
+# subject to the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

 using quickbook ;
-import boostbook ;
+import boostbook : boostbook ;

-xml conversion : conversion.qbk ;
+xml lexical_cast : lexical_cast.qbk ;
 boostbook standalone
    :
-        conversion
+    lexical_cast
    :
        <xsl:param>boost.root=../../../..
-        # File name of HTML output:
-        <xsl:param>root.filename=conversion
-        # How far down we chunk nested sections, basically all of them:
-        <xsl:param>chunk.section.depth=0
-        # 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=2
-        # Max depth in each TOC:
-        <xsl:param>toc.max.depth=2
-        # How far down we go with TOC's
-        <xsl:param>generate.section.toc.level=0
+        <format>pdf:<xsl:param>boost.url.prefix=http://www.boost.org/doc/libs/release/doc/html
+    ;

-        <xsl:param>generate.manifest=0
-     ;
-
-###############################################################################
-alias boostdoc : conversion ;
-explicit boostdoc ;
-alias boostrelease ;
-explicit boostrelease ;
@@ -1,215 +0,0 @@
-[/
-    Copyright 2016 Mikhail Maximov.
-    Copyright Antony Polukhin, 2020-2026.
-
-    Distributed under the Boost Software License, Version 1.0. (See accompanying
-    file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</a>)
-]
-
-[article The Conversion Library
-    [quickbook 1.6]
-    [compatibility-mode 1.5]
-    [id conversion]
-    [version 1.7]
-    [authors [Stroustrup, Bjarne], [Abrahams, Dave], [Rasin, Boris], [Polukhin, Antony]]
-    [copyright 2001 Beman Dawes, 2014-2026 Antony Polukhin]
-    [license
-        Distributed under the Boost Software License, Version 1.0.
-        (See accompanying file LICENSE_1_0.txt or copy at
-        [@http://www.boost.org/LICENSE_1_0.txt])
-    ]
-    [source-mode c++]
-]
-
-[/ QuickBook Document version 1.5 ]
-[/ Dec, 2016 ]
-
-[section Description]
-
-The Conversion Library improves program safety and clarity by performing
-otherwise messy conversions. It includes cast-style function templates designed 
-to complement the C++ Standard's built-in casts.
-
-To reduce coupling, the Boost Conversion Library is supplied by several headers:
-
-# The [@boost:boost/polymorphic_cast.hpp boost/polymorphic_cast.hpp] header
-  provides [link polymorphic_cast `polymorphic_cast<>`] and
-  [link polymorphic_downcast `polymorphic_downcast<>`]
-  to perform safe casting between polymorphic types.
-# The [@boost:boost/polymorphic_pointer_cast.hpp boost/polymorphic_pointer_cast.hpp] header
-  provides [link polymorphic_pointer_cast `polymorphic_pointer_cast<>`] and
-  [link polymorphic_pointer_cast `polymorphic_pointer_downcast<>`]
-# The [@boost:boost/implicit_cast.hpp boost/implicit_cast.hpp] header provides `implicit_cast<>` 
-  to perform implicit casts only (no down-cast, no void*->T*, no U->T if T has only explicit constructors for U).
-
-[endsect]
-
-[section Polymorphic casts]
-Pointers to polymorphic objects (objects of classes which define at
-least one virtual function) are sometimes downcast or crosscast.
-Downcasting means casting from a base class to a derived class.
-Crosscasting means casting across an inheritance hierarchy diagram, such
-as from one base to the other in a [^Y] diagram hierarchy.
-
-Such casts can be done with old-style casts, but this approach is
-never to be recommended. Old-style casts are sorely lacking in type
-safety, suffer poor readability, and are difficult to locate with search
-tools.
-
-[#polymorphic_downcast]
-[section polymorphic_downcast]
-
-The C++ built-in `static_cast` can be used for efficiently
-downcasting pointers to polymorphic objects, but provides no error
-detection for the case where the pointer being cast actually points to
-the wrong derived class. The `polymorphic_downcast` template retains
-the efficiency of `static_cast` for non-debug compilations, but for
-debug compilations adds safety via an `assert()` that a `dynamic_cast`
-succeeds.
-
-A `polymorphic_downcast` should be used for
-downcasts that you are certain should succeed. Error checking is
-only performed in translation units where `NDEBUG` is
-not defined, via
-```
-    assert( dynamic_cast<Derived>(x) == x )
-```
-where `x` is the source pointer.  This approach
-ensures that not only is a non-zero pointer returned, but also
-that it is correct in the presence of multiple inheritance.
-Attempts to crosscast using `polymorphic_downcast` will
-fail to compile.
-
-[warning Because `polymorphic_downcast` uses `assert()`, it
-violates the One Definition Rule (ODR) if `NDEBUG` is inconsistently
-defined across translation units. See ISO Std 3.2]
-
-[h4 Example:]
-```
-    #include <boost/polymorphic_cast.hpp>
-    ...
-    class Fruit { public: virtual ~Fruit(){}; ... };
-    class Banana : public Fruit { ... };
-    ...
-    void f( Fruit * fruit ) {
-      // ... logic which leads us to believe it is a Banana
-      Banana * banana = boost::polymorphic_downcast<Banana*>(fruit);
-      ...
-    }
-```
-[endsect]
-
-[#polymorphic_cast]
-[section polymorphic_cast]
-
-The C++ built-in `dynamic_cast` can be used for downcasts and
-crosscasts of pointers to polymorphic objects, but error notification in
-the form of a returned value of 0 is inconvenient to test, or worse yet,
-easy to forget to test. The throwing form of `dynamic_cast`, which
-works on references, can be used on pointers through the ugly expression
-`&dynamic_cast<T&>(*p)`, which causes undefined
-behavior if `p` is `0`. The `polymorphic_cast`
-template performs a `dynamic_cast` on a pointer, and throws an
-exception if the `dynamic_cast` returns 0.
-
-For crosscasts, or when the success of a cast can only be known at runtime, 
-or when efficiency is not important, `polymorphic_cast` is preferred.
-
-The C++ built-in `dynamic_cast` must be used to cast references rather than pointers.
-It is also the only cast that can be used to check whether a given interface is supported; in that case a return of 0 isn't an error condition.
-
-[endsect]
-
-
-[#polymorphic_pointer_cast]
-[section polymorphic_pointer_cast]
-While `polymorphic_downcast` and `polymorphic_cast` work with built-in pointer types only,
-`polymorphic_pointer_downcast` and `polymorphic_pointer_cast` are more generic versions
-with support for any pointer type for which the following expressions would be valid:
-
-For `polymorphic_pointer_downcast`:
-```
-    static_pointer_cast<Derived>(p);
-    dynamic_pointer_cast<Derived>(p);
-```
-For `polymorphic_pointer_cast`:
-```
-    dynamic_pointer_cast<Derived>(p);
-    !p; // conversion to bool with negation
-```
-
-This includes C++ built-in pointers, `std::shared_ptr`,
-`boost::shared_ptr`, `boost::intrusive_ptr`, etc.
-
-
-[h4 Example:]
-```
-    #include <boost/polymorphic_pointer_cast.hpp>
-
-    class Fruit { public: virtual ~Fruit(){} };
-    class Banana : public Fruit {};
-
-    // Use one of these:
-    using FruitPtr = Fruit*;
-    using FruitPtr = std::shared_ptr<Fruit>;
-    using FruitPtr = boost::shared_ptr<Fruit>;
-    using FruitPtr = boost::intrusive_ptr<Fruit>;
-
-    void f(FruitPtr fruit) {
-      // ... logic which leads us to believe it is a banana
-      auto banana = boost::polymorphic_pointer_downcast<Banana>(fruit);
-      ...
-    }
-```
-
-[endsect]
-
-[endsect]
-
-[section Synopsis]
-```
-    namespace boost {
-
-    // Throws: std::bad_cast if ( dynamic_cast<Derived>(x) == 0 )
-    // Returns: dynamic_cast<Derived>(x)
-    template <class Derived, class Base>
-    constexpr Derived polymorphic_cast(Base* x);
-
-    // Effects: assert( dynamic_cast<Derived>(x) == x );
-    // Returns: static_cast<Derived>(x)
-    template <class Derived, class Base>
-    constexpr Derived polymorphic_downcast(Base* x);
-
-    // Effects: assert( dynamic_cast<Derived>(&x) == &x );
-    // Returns: static_cast<Derived>(x)
-    template <class Derived, class Base>
-    constexpr Derived polymorphic_downcast(Base& x);
-
-    // Throws: std::bad_cast if ( dynamic_pointer_cast<Derived>(x) == 0 )
-    // Returns: dynamic_pointer_cast<Derived>(x)
-    template <class Derived, class Base>
-    inline auto polymorphic_pointer_cast(Base x);
-
-    // Effects: assert( dynamic_pointer_cast<Derived>(x) == x );
-    // Returns: static_pointer_cast<Derived>(x)
-    template <class Derived, class Base>
-    inline auto polymorphic_pointer_downcast(Base x);
-
-    }
-```
-[endsect]
-
-
-[section History]
-`polymorphic_cast` was suggested by Bjarne Stroustrup in "The C++ Programming Language".
-
-`polymorphic_downcast` was contributed by [@http://www.boost.org/people/dave_abrahams.htm Dave Abrahams].
-
-`polymorphic_pointer_downcast` was contributed by [@http://www.boost.org/people/boris_rasin.htm Boris Rasin]
-and `polymorphic_pointer_cast` by Antony Polukhin.
-
-`polymorphic_downcast` overload for references was contributed by Julien Delacroix.
-
-An old `numeric_cast` that was contributed by [@http://www.boost.org/people/kevlin_henney.htm Kevlin Henney]
-is now superseded by the [@boost:numeric_conversion/doc/html/html/boost_numericconversion/improved_numeric_cast__.html Boost Numeric Conversion Library]
-[endsect]
@@ -0,0 +1,752 @@
+[library Boost.Lexical_Cast
+    [quickbook 1.5]
+    [version 1.0]
+    [copyright 2000-2005 Kevlin Henney]
+    [copyright 2006-2010 Alexander Nasonov]
+    [copyright 2011-2012 Antony Polukhin]
+    [category String and text processing]
+    [category Miscellaneous]
+    [license
+        Distributed under the Boost Software License, Version 1.0.
+        (See accompanying file LICENSE_1_0.txt or copy at
+        [@http://www.boost.org/LICENSE_1_0.txt])
+    ]
+]
+
+[def __numericcast__  [@boost:libs/numeric/conversion/doc/html/boost_numericconversion/improved_numeric_cast__.html `boost::numeric_cast`]]
+[def __proposallong__ [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1973.html Lexical Conversion Library Proposal for TR2, N1973 by Kevlin Henney and Beman Dawes]]
+[def __proposalshort__ [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1973.html Lexical Conversion Library Proposal for TR2, N1973]]
+
+[section Motivation]
+Sometimes a value must be converted to a literal text form, such as an [c++] `int` represented as a `std::string`, or vice-versa, when a `std::string` is interpreted as an `int`. Such examples are common when converting between data types internal to a program and representation external to a program, such as windows and configuration files.
+
+The standard C and C++ libraries offer a number of facilities for performing such conversions. However, they vary with their ease of use, extensibility, and safety.
+
+For instance, there are a number of limitations with the family of standard C functions typified by `atoi`:
+
+* Conversion is supported in one direction only: from text to internal data type. Converting the other way using the C library requires either the inconvenience and compromised safety of the `sprintf` function, or the loss of portability associated with non-standard functions such as `itoa`.
+* The range of types supported is only a subset of the built-in numeric types, namely `int`, `long`, and `double`.
+* The range of types cannot be extended in a uniform manner. For instance, conversion from string representation to complex or rational.
+
+The standard C functions typified by `strtol` have the same basic limitations, but offer finer control over the conversion process. However, for the common case such control is often either not required or not used. The `scanf` family of functions offer even greater control, but also lack safety and ease of use.
+
+The standard C++ library offers `stringstream` for the kind of in-core formatting being discussed. It offers a great deal of control over the formatting and conversion of I/O to and from arbitrary types through text. However, for simple conversions direct use of `stringstream` can be either clumsy (with the introduction of extra local variables and the loss of infix-expression convenience) or obscure (where `stringstream` objects are created as temporary objects in an expression). Facets provide a comprehensive concept and facility for controlling textual representation, but their perceived complexity and high entry level requires an extreme degree of involvement for simple conversions, and excludes all but a few programmers.
+
+The `lexical_cast` function template offers a convenient and consistent form for supporting common conversions to and from arbitrary types when they are represented as text. The simplification it offers is in expression-level convenience for such conversions. For more involved conversions, such as where precision or formatting need tighter control than is offered by the default behavior of `lexical_cast`, the conventional `std::stringstream` approach is recommended. Where the conversions are numeric to numeric, __numericcast__ may offer more reasonable behavior than `lexical_cast`.
+
+For a good discussion of the options and issues involved in string-based formatting, including comparison of `stringstream`, `lexical_cast`, and others, see Herb Sutter's article, [@http://www.gotw.ca/publications/mill19.htm The String Formatters of Manor Farm]. Also, take a look at the [link boost_lexical_cast.performance Performance] section.
+[endsect]
+
+[section Examples]
+The following example treats command line arguments as a sequence of numeric data:
+``
+    int main(int argc, char * argv[])
+    {
+        using boost::lexical_cast;
+        using boost::bad_lexical_cast;
+
+        std::vector<short> args;
+
+        while(*++argv)
+        {
+            try
+            {
+                args.push_back(lexical_cast<short>(*argv));
+            }
+            catch(bad_lexical_cast &)
+            {
+                args.push_back(0);
+            }
+        }
+        ...
+    }
+``
+The following example uses numeric data in a string expression:
+``
+    void log_message(const std::string &);
+
+    void log_errno(int yoko)
+    {
+        log_message("Error " + boost::lexical_cast<std::string>(yoko) + ": " + strerror(yoko));
+    }
+``
+[endsect]
+
+[section Synopsis]
+Library features defined in [@boost:boost/lexical_cast.hpp boost/lexical_cast.hpp]:
+``
+    namespace boost
+    {
+        class bad_lexical_cast;
+        template<typename Target, typename Source>
+          Target lexical_cast(const Source& arg);
+    }
+``
+
+[section lexical_cast]
+``
+    template<typename Target, typename Source>
+      Target lexical_cast(const Source& arg);
+``
+Returns the result of streaming arg into a standard library string-based stream and then out as a Target object. Where Target is either `std::string` or `std::wstring`, stream extraction takes the whole content of the string, including spaces, rather than relying on the default `operator>>` behavior. If the conversion is unsuccessful, a `bad_lexical_cast` exception is thrown.
+
+The requirements on the argument and result types are:
+
+* Source is OutputStreamable, meaning that an `operator<<` is defined that takes a `std::ostream` or `std::wostream` object on the left hand side and an instance of the argument type on the right.
+* Target is InputStreamable, meaning that an `operator>>` is defined that takes a `std::istream` or `std::wistream` object on the left hand side and an instance of the result type on the right.
+* Target is CopyConstructible [20.1.3].
+* Target is DefaultConstructible, meaning that it is possible to default-initialize an object of that type [8.5, 20.1.4].
+
+The character type of the underlying stream is assumed to be `char` unless either the `Source` or the `Target` requires wide-character streaming, in which case the underlying stream uses `wchar_t`, `char16_t` or `char32_t`. Wide-character streaming is currently detected for:
+
+* Single character: `wchar_t`, `char16_t`, `char32_t`
+* Arrays of characters: `wchar_t *`, `char16_t *`, `char32_t *`, `const wchar_t *`, `const char16_t *`, `const char32_t *`
+* Strings: `std::basic_string`, `boost::containers::basic_string`
+* `boost::iterator_range<WideCharPtr>`, where `WideCharPtr` is a pointer to wide-character or pointer to const wide-character
+
+[important Many compilers and runtime libraries fail to make conversions using new Unicode characters. Make shure that the following code compiles and outputs nonzero values, before using new types:
+``
+    std::cout
+        << booat::lexical_cast<std::u32string>(1.0).size()
+        << "  "
+        << booat::lexical_cast<std::u16string>(1.0).size();
+``
+]
+
+Where a higher degree of control is required over conversions, `std::stringstream` and `std::wstringstream` offer a more appropriate path. Where non-stream-based conversions are required, `lexical_cast` is the wrong tool for the job and is not special-cased for such scenarios.
+[endsect]
+
+[section bad_lexical_cast]
+``
+    class bad_lexical_cast : public std::bad_cast
+    {
+    public:
+        ... // same member function interface as std::exception
+    };
+``
+Exception used to indicate runtime lexical_cast failure.
+[endsect]
+
+[endsect]
+
+[/ Commenting out bad advise (this will break the ability to get correct function pointers via &lexical_cast<Target, Source>)
+[section Tuning classes for fast lexical conversions]
+Because of `boost::lexical_cast` optimizations for `boost::iterator_range<character_type*>`, it is possibile to make very fast lexical conversions for non zero terminated strings, substrings and user-defined classes.
+
+Consider the following example:
+``
+    class example_class {
+        char non_zero_terminated_data[10];
+        std::size_t data_length;
+
+    public:
+        example_class();
+        void fill_data();
+
+        const char* data() const {
+            return non_zero_terminated_data;
+        }
+
+        std::size_t size() const {
+            return data_length;
+        }
+    };
+
+    inline std::ostream& operator << (std::ostream& ostr, const example_class& rhs) {
+        return ostr << boost::make_iterator_range(rhs.data(), rhs.data() + rhs.size());
+    }
+``
+
+This is a good generic solution for most use cases.
+But we can make it even faster for some performance critical applications. During conversion, we loose speed at:
+
+ * `std::ostream` construction     (it makes some heap allocations)
+ * `operator <<`                   (it copyies one by one all the symbols to an instance of `std::ostream`)
+ * `std::ostream` destruction      (it makes some heap deallocations)
+
+We can avoid all of this, by specifieng an overload for `boost::lexical_cast`:
+``
+namespace boost {
+    template <class OutT>
+    OutT lexical_cast(const example_class& rhs) {
+        return boost::lexical_cast<OutT>(
+            boost::make_iterator_range(rhs.data(), rhs.data() + rhs.size())
+        );
+    }
+}
+``
+Now `boost::lexical_cast<some_type>(example_class_instance)` conversions won't copy data and construct heavy STL stream objects. See [link boost_lexical_cast.performance Performance] section for info on `boost::iterator_range` conversion performance.
+[endsect]
+]
+
+[section Frequently Asked Questions]
+
+* [*Question:]    Why does `lexical_cast<int8_t>("127")` throw `bad_lexical_cast`?
+  * [*Answer:]      The type `int8_t` is a `typedef` to `char` or `signed char`. Lexical conversion to these types is simply reading a byte from source but since the source has more than one byte, the exception is thrown.
+Please use other integer types such as `int` or `short int`. If bounds checking is important, you can also
+call __numericcast__:
+`numeric_cast<int8_t>(lexical_cast<int>("127"));`
+
+[pre
+]
+
+* [*Question:]    Why does `lexical_cast<unsigned char>("127")` throw `bad_lexical_cast`?
+  * [*Answer:]      Lexical conversion to any char type is simply reading a byte from source. But since the source has more than one byte, the exception is thrown.
+Please use other integer types such as `int` or `short int`. If bounds checking is important, you can also
+call __numericcast__:
+`numeric_cast<unsigned char>(lexical_cast<int>("127"));`
+
+[pre
+]
+
+* [*Question:]    What does `lexical_cast<std::string>` of an `int8_t` or `uint8_t` not do what I expect?
+  * [*Answer:]      As above, note that int8_t and uint8_t are actually chars and are formatted as such. To avoid
+this, cast to an integer type first: `lexical_cast<std::string>(static_cast<int>(n));`
+
+[pre
+]
+
+* [*Question:]    The implementation always resets the `ios_base::skipws` flag of an underlying stream object.
+It breaks my `operator>>` that works only in presence of this flag. Can you remove code that resets the flag?
+  * [*Answer:]      May be in a future version. There is no requirement in
+__proposallong__ to reset the flag but
+remember that __proposalshort__ is not yet accepted by the committee. By the way, it's a great opportunity to
+make your `operator>>` conform to the standard.
+Read a good C++ book, study `std::sentry` and [@boost:libs/io/doc/ios_state.html `ios_state_saver`].
+
+[pre
+]
+
+* [*Question:]    Why `std::cout << boost::lexical_cast<unsigned int>("-1");` does not throw, but outputs 4294967295?
+  * [*Answer:]      `boost::lexical_cast` has the behavior of `std::stringstream`, which uses `num_get` functions of
+`std::locale` to convert numbers. If we look at the Programming languages — C++, we'll see, that `num_get` uses
+the rules of `scanf` for conversions. And in the C99 standard for unsigned input value minus sign is optional, so
+if a negative number is read, no errors will arise and the result will be the two's complement.
+
+[pre
+]
+
+* [*Question:]    Why `boost::lexical_cast<int>(L'A');` outputs 65 and `boost::lexical_cast<wchar_t>(L"65");` does not throw?
+  * [*Answer:]      If you are using an old version of Visual Studio or compile code with /Zc:wchar_t- flag,
+`boost::lexical_cast` sees single `wchar_t` character as `unsigned short`. It is not a `boost::lexical_cast` mistake, but a
+limitation of compiler options that you use.
+
+[pre
+]
+
+* [*Question:]    Why `boost::lexical_cast<double>("-1.#IND");` throws `boost::bad_lexical_cast`?
+  * [*Answer:]      `"-1.#IND"` is a compiler extension, that violates standard. You shall input `"-nan"`, `"nan"`, `"inf"`
+, `"-inf"` (case insensitive) strings to get NaN and Inf values. `boost::lexical_cast<string>` outputs `"-nan"`, `"nan"`,
+`"inf"`, `"-inf"` strings, when has NaN or Inf input values.
+
+* [*Question:]    What is the fastest way to convert a non zero terminated string or a substring using `boost::lexical_cast`?
+  * [*Answer:]      Use `boost::iterator_range` for conversion. For example, if you whant to convert to `int` two characters from a string `str`, you shall write `lexacal_cast<int>(make_iterator_range(str.c_str(), str.c_str() + 2));`.
+
+[endsect]
+
+[section Changes]
+* [*boost 1.50.0 :]
+
+    * `boost::bad_lexical_cast` exception is now globaly visible and can be catched even if code is compiled with -fvisibility=hidden.
+    * Now it is possible to compile library with disabled exceptions.
+    * Better performance, less memory usage and bugfixes for `boost::iterator_range<character_type*>` conversions.
+
+* [*boost 1.49.0 :]
+
+    * Restored work with typedefed wchar_t (compilation flag /Zc:wchar_t- for Visual Studio).
+    * Better performance and less memory usage for `boost::container::basic_string` conversions.
+
+* [*boost 1.48.0 :]
+
+    * Added code to work with Inf and NaN on any platform.
+    * Better performance and less memory usage for conversions to float type (and to double type, if `sizeof(double) < sizeof(long double)`).
+
+* [*boost 1.47.0 :]
+
+    * Optimizations for "C" and other locales without number grouping.
+    * Better performance and less memory usage for unsigned char and signed char conversions.
+    * Better performance and less memory usage for conversions to arithmetic types.
+    * Better performance and less memory usage for conversions from arithmetic type to arithmetic type.
+    * Directly construct Target from Source on some conversions (like conversions from string to string, from char array to string, from char to char and others).
+
+* [*boost 1.34.0 :]
+
+    * Better performance for many combinations of Source and Target types. For more details refer to Alexander Nasonovs article [@http://accu.org/index.php/journals/1375 Fine Tuning for lexical_cast, Overload #74, August 2006] [@http://www.accu.org/var/uploads/journals/overload74.pdf (PDF)].
+
+* [*boost 1.33.0 :]
+
+    * Call-by-const reference for the parameters. This requires partial specialization of class templates, so it doesn't work for MSVC 6, and it uses the original pass by value there.
+    * The MSVC 6 support is deprecated, and will be removed in a future Boost version.
+
+* [*Earlier :]
+
+    * The previous version of lexical_cast used the default stream precision for reading and writing floating-point numbers. For numerics that have a corresponding specialization of `std::numeric_limits`, the current version now chooses a precision to match.
+    * The previous version of lexical_cast did not support conversion to or from any wide-character-based types. For compilers with full language and library support for wide characters, `lexical_cast` now supports conversions from `wchar_t`, `wchar_t *`, and `std::wstring` and to `wchar_t` and `std::wstring`.
+    * The previous version of `lexical_cast` assumed that the conventional stream extractor operators were sufficient for reading values. However, string I/O is asymmetric, with the result that spaces play the role of I/O separators rather than string content. The current version fixes this error for `std::string` and, where supported, `std::wstring`: `lexical_cast<std::string>("Hello, World")` succeeds instead of failing with a `bad_lexical_cast` exception.
+    * The previous version of `lexical_cast` allowed unsafe and meaningless conversions to pointers. The current version now throws a `bad_lexical_cast` for conversions to pointers: `lexical_cast<char *>("Goodbye, World")` now throws an exception instead of causing undefined behavior.
+
+[endsect]
+
+[section Performance]
+
+In most cases `boost::lexical_cast` is faster than `scanf`, `printf`, `std::stringstream`. For more detailed info you can look at the tables below.
+
+[section Tests description]
+All the tests measure execution speed in milliseconds for 10000 iterations of the following code blocks:
+[table:legend Tests source code
+[[Test name] [Code]]
+[[lexical_cast]
+  [``
+            _out = boost::lexical_cast<OUTTYPE>(_in);
+  ``]
+  ]
+[[std::stringstream with construction]
+  [``
+            std::stringstream ss;
+            ss << _in;
+            if (ss.fail()) throw std::logic_error(descr);
+            ss >> _out;
+            if (ss.fail()) throw std::logic_error(descr);
+  ``]
+  ]
+[[std::stringstream without construction]
+  [``
+            ss << _in; // ss is an instance of std::stringstream
+            if (ss.fail()) throw std::logic_error(descr);
+            ss >> _out;
+            if (ss.fail()) throw std::logic_error(descr);
+            /* reseting std::stringstream to use it again */
+            ss.str(std::string());
+            ss.clear();
+  ``]
+  ]
+[[scanf/printf]
+  [``
+            typename OUTTYPE::value_type buffer[500];
+            sprintf( (char*)buffer, conv, _in);
+            _out = buffer;
+  ``]
+  ]
+]
+Fastest results are highlitened with "!!! *x* !!!".
+Do not use this results to compare compilers, because tests were taken on different hardware.
+
+[endsect]
+
+[/ BEGIN of section, generated by performance measuring program ]
+
+[section Clang version 2.9 (tags/RELEASE_29/final)]
+[table:id Performance Table ( Clang version 2.9 (tags/RELEASE_29/final))
+[[From->To] [lexical_cast] [std::stringstream with construction] [std::stringstream without construction][scanf/printf]]
+  [[ string->char ][ !!! *<1* !!! ][ 319 ][ 17 ][ 16 ]]
+  [[ string->signed char ][ !!! *<1* !!! ][ 192 ][ 16 ][ 9 ]]
+  [[ string->unsigned char ][ !!! *<1* !!! ][ 142 ][ 9 ][ 9 ]]
+  [[ string->int ][ !!! *7* !!! ][ 109 ][ 21 ][ 16 ]]
+  [[ string->short ][ !!! *6* !!! ][ 113 ][ 21 ][ 15 ]]
+  [[ string->long int ][ !!! *7* !!! ][ 110 ][ 22 ][ 15 ]]
+  [[ string->long long ][ !!! *7* !!! ][ 112 ][ 23 ][ 17 ]]
+  [[ string->unsigned int ][ !!! *6* !!! ][ 107 ][ 19 ][ 14 ]]
+  [[ string->unsigned short ][ !!! *6* !!! ][ 106 ][ 18 ][ 16 ]]
+  [[ string->unsigned long int ][ !!! *7* !!! ][ 108 ][ 20 ][ 15 ]]
+  [[ string->unsigned long long ][ !!! *7* !!! ][ 109 ][ 22 ][ 15 ]]
+  [[ string->float ][ !!! *14* !!! ][ 204 ][ 81 ][ 43 ]]
+  [[ string->double ][ !!! *24* !!! ][ 244 ][ 74 ][ 45 ]]
+  [[ string->long double ][ 121 ][ 170 ][ 62 ][ !!! *38* !!! ]]
+  [[ string->string ][ !!! *1* !!! ][ 124 ][ 25 ][ --- ]]
+  [[ string->container::string ][ !!! *3* !!! ][ 121 ][ 28 ][ --- ]]
+  [[ string->char ][ 6 ][ 115 ][ 26 ][ !!! *6* !!! ]]
+  [[ string->signed char ][ !!! *6* !!! ][ 115 ][ 23 ][ 21 ]]
+  [[ string->unsigned char ][ !!! *6* !!! ][ 113 ][ 25 ][ 22 ]]
+  [[ int->string ][ !!! *12* !!! ][ 128 ][ 29 ][ 19 ]]
+  [[ short->string ][ !!! *12* !!! ][ 128 ][ 29 ][ 21 ]]
+  [[ long int->string ][ !!! *12* !!! ][ 132 ][ 29 ][ 21 ]]
+  [[ long long->string ][ !!! *12* !!! ][ 127 ][ 29 ][ 22 ]]
+  [[ unsigned int->string ][ !!! *12* !!! ][ 137 ][ 33 ][ 19 ]]
+  [[ unsigned short->string ][ !!! *12* !!! ][ 137 ][ 31 ][ 20 ]]
+  [[ unsigned long int->string ][ !!! *12* !!! ][ 136 ][ 30 ][ 21 ]]
+  [[ unsigned long long->string ][ !!! *12* !!! ][ 128 ][ 27 ][ 23 ]]
+  [[ float->string ][ 51 ][ 187 ][ 82 ][ !!! *44* !!! ]]
+  [[ double->string ][ 56 ][ 190 ][ 83 ][ !!! *42* !!! ]]
+  [[ long double->string ][ 69 ][ 208 ][ 90 ][ !!! *54* !!! ]]
+  [[ char*->char ][ !!! *<1* !!! ][ 138 ][ 18 ][ 8 ]]
+  [[ char*->signed char ][ !!! *8* !!! ][ 126 ][ 10 ][ 9 ]]
+  [[ char*->unsigned char ][ !!! *<1* !!! ][ 98 ][ 9 ][ 9 ]]
+  [[ char*->int ][ !!! *8* !!! ][ 113 ][ 22 ][ 15 ]]
+  [[ char*->short ][ !!! *7* !!! ][ 113 ][ 22 ][ 17 ]]
+  [[ char*->long int ][ !!! *8* !!! ][ 111 ][ 23 ][ 15 ]]
+  [[ char*->long long ][ !!! *9* !!! ][ 112 ][ 24 ][ 18 ]]
+  [[ char*->unsigned int ][ !!! *8* !!! ][ 113 ][ 20 ][ 15 ]]
+  [[ char*->unsigned short ][ !!! *8* !!! ][ 113 ][ 20 ][ 15 ]]
+  [[ char*->unsigned long int ][ !!! *8* !!! ][ 112 ][ 21 ][ 16 ]]
+  [[ char*->unsigned long long ][ !!! *9* !!! ][ 110 ][ 23 ][ 14 ]]
+  [[ char*->float ][ !!! *14* !!! ][ 149 ][ 54 ][ 32 ]]
+  [[ char*->double ][ !!! *15* !!! ][ 166 ][ 59 ][ 33 ]]
+  [[ char*->long double ][ 122 ][ 171 ][ 63 ][ !!! *38* !!! ]]
+  [[ char*->string ][ !!! *7* !!! ][ 126 ][ 26 ][ --- ]]
+  [[ char*->container::string ][ !!! *2* !!! ][ 124 ][ 27 ][ --- ]]
+  [[ unsigned char*->char ][ !!! *<1* !!! ][ 99 ][ 10 ][ 8 ]]
+  [[ unsigned char*->signed char ][ !!! *<1* !!! ][ 102 ][ 10 ][ 9 ]]
+  [[ unsigned char*->unsigned char ][ !!! *<1* !!! ][ 98 ][ 10 ][ 9 ]]
+  [[ unsigned char*->int ][ !!! *7* !!! ][ 115 ][ 24 ][ 15 ]]
+  [[ unsigned char*->short ][ !!! *7* !!! ][ 115 ][ 25 ][ 17 ]]
+  [[ unsigned char*->long int ][ !!! *8* !!! ][ 115 ][ 22 ][ 16 ]]
+  [[ unsigned char*->long long ][ !!! *8* !!! ][ 116 ][ 23 ][ 16 ]]
+  [[ unsigned char*->unsigned int ][ !!! *8* !!! ][ 113 ][ 20 ][ 14 ]]
+  [[ unsigned char*->unsigned short ][ !!! *7* !!! ][ 114 ][ 21 ][ 15 ]]
+  [[ unsigned char*->unsigned long int ][ !!! *8* !!! ][ 114 ][ 21 ][ 14 ]]
+  [[ unsigned char*->unsigned long long ][ !!! *9* !!! ][ 112 ][ 23 ][ 16 ]]
+  [[ unsigned char*->float ][ !!! *14* !!! ][ 149 ][ 52 ][ 32 ]]
+  [[ unsigned char*->double ][ !!! *15* !!! ][ 165 ][ 59 ][ 33 ]]
+  [[ unsigned char*->long double ][ 122 ][ 172 ][ 63 ][ !!! *37* !!! ]]
+  [[ unsigned char*->string ][ !!! *8* !!! ][ 125 ][ 26 ][ --- ]]
+  [[ unsigned char*->container::string ][ !!! *4* !!! ][ 119 ][ 26 ][ --- ]]
+  [[ signed char*->char ][ !!! *<1* !!! ][ 98 ][ 10 ][ 8 ]]
+  [[ signed char*->signed char ][ !!! *<1* !!! ][ 95 ][ 10 ][ 9 ]]
+  [[ signed char*->unsigned char ][ !!! *<1* !!! ][ 98 ][ 9 ][ 9 ]]
+  [[ signed char*->int ][ !!! *8* !!! ][ 111 ][ 21 ][ 15 ]]
+  [[ signed char*->short ][ !!! *7* !!! ][ 114 ][ 22 ][ 16 ]]
+  [[ signed char*->long int ][ !!! *8* !!! ][ 113 ][ 22 ][ 17 ]]
+  [[ signed char*->long long ][ !!! *8* !!! ][ 116 ][ 24 ][ 17 ]]
+  [[ signed char*->unsigned int ][ !!! *8* !!! ][ 109 ][ 20 ][ 15 ]]
+  [[ signed char*->unsigned short ][ !!! *8* !!! ][ 111 ][ 20 ][ 14 ]]
+  [[ signed char*->unsigned long int ][ !!! *8* !!! ][ 109 ][ 22 ][ 15 ]]
+  [[ signed char*->unsigned long long ][ !!! *8* !!! ][ 111 ][ 23 ][ 15 ]]
+  [[ signed char*->float ][ !!! *14* !!! ][ 150 ][ 53 ][ 32 ]]
+  [[ signed char*->double ][ !!! *15* !!! ][ 168 ][ 59 ][ 30 ]]
+  [[ signed char*->long double ][ 123 ][ 174 ][ 62 ][ !!! *37* !!! ]]
+  [[ signed char*->string ][ !!! *8* !!! ][ 127 ][ 28 ][ --- ]]
+  [[ signed char*->container::string ][ !!! *4* !!! ][ 124 ][ 27 ][ --- ]]
+  [[ iterator_range<char*>->char ][ !!! *<1* !!! ][ 103 ][ 13 ][ 8 ]]
+  [[ iterator_range<char*>->signed char ][ !!! *<1* !!! ][ 107 ][ 13 ][ 9 ]]
+  [[ iterator_range<char*>->unsigned char ][ !!! *<1* !!! ][ 121 ][ 26 ][ 13 ]]
+  [[ iterator_range<char*>->int ][ !!! *6* !!! ][ 165 ][ 33 ][ 23 ]]
+  [[ iterator_range<char*>->short ][ !!! *8* !!! ][ 175 ][ 34 ][ 29 ]]
+  [[ iterator_range<char*>->long int ][ !!! *14* !!! ][ 160 ][ 33 ][ 23 ]]
+  [[ iterator_range<char*>->long long ][ !!! *10* !!! ][ 199 ][ 35 ][ 28 ]]
+  [[ iterator_range<char*>->unsigned int ][ !!! *6* !!! ][ 131 ][ 24 ][ 16 ]]
+  [[ iterator_range<char*>->unsigned short ][ !!! *7* !!! ][ 110 ][ 22 ][ 16 ]]
+  [[ iterator_range<char*>->unsigned long int ][ !!! *7* !!! ][ 111 ][ 22 ][ 14 ]]
+  [[ iterator_range<char*>->unsigned long long ][ !!! *8* !!! ][ 115 ][ 24 ][ 15 ]]
+  [[ iterator_range<char*>->float ][ !!! *13* !!! ][ 134 ][ 40 ][ 33 ]]
+  [[ iterator_range<char*>->double ][ !!! *15* !!! ][ 140 ][ 59 ][ 41 ]]
+  [[ iterator_range<char*>->long double ][ 131 ][ 146 ][ 53 ][ !!! *38* !!! ]]
+  [[ iterator_range<char*>->string ][ !!! *9* !!! ][ 121 ][ 31 ][ --- ]]
+  [[ iterator_range<char*>->container::string ][ !!! *4* !!! ][ 115 ][ 25 ][ --- ]]
+  [[ int->int ][ !!! *<1* !!! ][ 113 ][ 25 ][ --- ]]
+  [[ float->double ][ !!! *<1* !!! ][ 234 ][ 117 ][ --- ]]
+  [[ char->signed char ][ !!! *<1* !!! ][ 97 ][ 9 ][ --- ]]
+]
+[endsect]
+
+[section GNU C++ version 4.6.1]
+[table:id Performance Table ( GNU C++ version 4.6.1)
+[[From->To] [lexical_cast] [std::stringstream with construction] [std::stringstream without construction][scanf/printf]]
+  [[ string->char ][ !!! *<1* !!! ][ 140 ][ 17 ][ 13 ]]
+  [[ string->signed char ][ !!! *<1* !!! ][ 129 ][ 8 ][ 10 ]]
+  [[ string->unsigned char ][ !!! *<1* !!! ][ 91 ][ 8 ][ 10 ]]
+  [[ string->int ][ !!! *6* !!! ][ 110 ][ 20 ][ 14 ]]
+  [[ string->short ][ !!! *5* !!! ][ 106 ][ 20 ][ 14 ]]
+  [[ string->long int ][ !!! *7* !!! ][ 107 ][ 22 ][ 14 ]]
+  [[ string->long long ][ !!! *7* !!! ][ 112 ][ 21 ][ 14 ]]
+  [[ string->unsigned int ][ !!! *6* !!! ][ 110 ][ 20 ][ 14 ]]
+  [[ string->unsigned short ][ !!! *5* !!! ][ 107 ][ 18 ][ 14 ]]
+  [[ string->unsigned long int ][ !!! *7* !!! ][ 108 ][ 23 ][ 14 ]]
+  [[ string->unsigned long long ][ !!! *7* !!! ][ 108 ][ 21 ][ 14 ]]
+  [[ string->float ][ !!! *12* !!! ][ 154 ][ 57 ][ 32 ]]
+  [[ string->double ][ !!! *11* !!! ][ 151 ][ 61 ][ 33 ]]
+  [[ string->long double ][ 109 ][ 187 ][ 79 ][ !!! *55* !!! ]]
+  [[ string->string ][ !!! *2* !!! ][ 122 ][ 27 ][ --- ]]
+  [[ string->container::string ][ !!! *3* !!! ][ 123 ][ 22 ][ --- ]]
+  [[ string->char ][ !!! *7* !!! ][ 109 ][ 27 ][ 17 ]]
+  [[ string->signed char ][ !!! *7* !!! ][ 110 ][ 25 ][ 22 ]]
+  [[ string->unsigned char ][ !!! *7* !!! ][ 112 ][ 27 ][ 24 ]]
+  [[ int->string ][ !!! *12* !!! ][ 187 ][ 48 ][ 37 ]]
+  [[ short->string ][ !!! *18* !!! ][ 133 ][ 33 ][ 20 ]]
+  [[ long int->string ][ !!! *12* !!! ][ 129 ][ 32 ][ 21 ]]
+  [[ long long->string ][ !!! *12* !!! ][ 127 ][ 35 ][ 23 ]]
+  [[ unsigned int->string ][ !!! *15* !!! ][ 133 ][ 31 ][ 21 ]]
+  [[ unsigned short->string ][ !!! *12* !!! ][ 133 ][ 31 ][ 21 ]]
+  [[ unsigned long int->string ][ !!! *12* !!! ][ 132 ][ 31 ][ 21 ]]
+  [[ unsigned long long->string ][ !!! *12* !!! ][ 127 ][ 29 ][ 24 ]]
+  [[ float->string ][ 53 ][ 215 ][ 103 ][ !!! *40* !!! ]]
+  [[ double->string ][ 58 ][ 215 ][ 103 ][ !!! *41* !!! ]]
+  [[ long double->string ][ 67 ][ 227 ][ 112 ][ !!! *45* !!! ]]
+  [[ char*->char ][ !!! *<1* !!! ][ 132 ][ 12 ][ 8 ]]
+  [[ char*->signed char ][ !!! *<1* !!! ][ 98 ][ 11 ][ 9 ]]
+  [[ char*->unsigned char ][ !!! *<1* !!! ][ 96 ][ 10 ][ 9 ]]
+  [[ char*->int ][ !!! *6* !!! ][ 109 ][ 22 ][ 14 ]]
+  [[ char*->short ][ !!! *5* !!! ][ 109 ][ 26 ][ 14 ]]
+  [[ char*->long int ][ !!! *7* !!! ][ 111 ][ 23 ][ 14 ]]
+  [[ char*->long long ][ !!! *8* !!! ][ 112 ][ 25 ][ 16 ]]
+  [[ char*->unsigned int ][ !!! *6* !!! ][ 113 ][ 19 ][ 14 ]]
+  [[ char*->unsigned short ][ !!! *6* !!! ][ 111 ][ 20 ][ 14 ]]
+  [[ char*->unsigned long int ][ !!! *7* !!! ][ 109 ][ 21 ][ 14 ]]
+  [[ char*->unsigned long long ][ !!! *7* !!! ][ 111 ][ 22 ][ 14 ]]
+  [[ char*->float ][ !!! *12* !!! ][ 156 ][ 62 ][ 32 ]]
+  [[ char*->double ][ !!! *13* !!! ][ 156 ][ 65 ][ 33 ]]
+  [[ char*->long double ][ 108 ][ 156 ][ 59 ][ !!! *36* !!! ]]
+  [[ char*->string ][ !!! *7* !!! ][ 123 ][ 29 ][ --- ]]
+  [[ char*->container::string ][ !!! *2* !!! ][ 116 ][ 24 ][ --- ]]
+  [[ unsigned char*->char ][ !!! *<1* !!! ][ 96 ][ 12 ][ 8 ]]
+  [[ unsigned char*->signed char ][ !!! *<1* !!! ][ 97 ][ 9 ][ 9 ]]
+  [[ unsigned char*->unsigned char ][ !!! *<1* !!! ][ 93 ][ 10 ][ 9 ]]
+  [[ unsigned char*->int ][ !!! *6* !!! ][ 110 ][ 22 ][ 14 ]]
+  [[ unsigned char*->short ][ !!! *6* !!! ][ 111 ][ 22 ][ 15 ]]
+  [[ unsigned char*->long int ][ !!! *8* !!! ][ 110 ][ 23 ][ 14 ]]
+  [[ unsigned char*->long long ][ !!! *7* !!! ][ 111 ][ 25 ][ 14 ]]
+  [[ unsigned char*->unsigned int ][ !!! *6* !!! ][ 111 ][ 21 ][ 16 ]]
+  [[ unsigned char*->unsigned short ][ !!! *6* !!! ][ 110 ][ 21 ][ 15 ]]
+  [[ unsigned char*->unsigned long int ][ !!! *8* !!! ][ 114 ][ 21 ][ 14 ]]
+  [[ unsigned char*->unsigned long long ][ !!! *8* !!! ][ 108 ][ 23 ][ 15 ]]
+  [[ unsigned char*->float ][ !!! *12* !!! ][ 154 ][ 62 ][ 33 ]]
+  [[ unsigned char*->double ][ !!! *14* !!! ][ 157 ][ 65 ][ 32 ]]
+  [[ unsigned char*->long double ][ 107 ][ 154 ][ 56 ][ !!! *36* !!! ]]
+  [[ unsigned char*->string ][ !!! *9* !!! ][ 122 ][ 28 ][ --- ]]
+  [[ unsigned char*->container::string ][ !!! *4* !!! ][ 118 ][ 26 ][ --- ]]
+  [[ signed char*->char ][ !!! *<1* !!! ][ 94 ][ 10 ][ 8 ]]
+  [[ signed char*->signed char ][ !!! *<1* !!! ][ 94 ][ 12 ][ 9 ]]
+  [[ signed char*->unsigned char ][ !!! *<1* !!! ][ 95 ][ 12 ][ 9 ]]
+  [[ signed char*->int ][ !!! *7* !!! ][ 109 ][ 22 ][ 14 ]]
+  [[ signed char*->short ][ !!! *5* !!! ][ 108 ][ 22 ][ 14 ]]
+  [[ signed char*->long int ][ !!! *7* !!! ][ 110 ][ 23 ][ 14 ]]
+  [[ signed char*->long long ][ !!! *7* !!! ][ 110 ][ 25 ][ 15 ]]
+  [[ signed char*->unsigned int ][ !!! *6* !!! ][ 109 ][ 20 ][ 15 ]]
+  [[ signed char*->unsigned short ][ !!! *6* !!! ][ 107 ][ 21 ][ 14 ]]
+  [[ signed char*->unsigned long int ][ !!! *8* !!! ][ 111 ][ 21 ][ 14 ]]
+  [[ signed char*->unsigned long long ][ !!! *7* !!! ][ 109 ][ 23 ][ 14 ]]
+  [[ signed char*->float ][ !!! *12* !!! ][ 156 ][ 61 ][ 31 ]]
+  [[ signed char*->double ][ !!! *13* !!! ][ 156 ][ 68 ][ 33 ]]
+  [[ signed char*->long double ][ 109 ][ 159 ][ 56 ][ !!! *36* !!! ]]
+  [[ signed char*->string ][ !!! *9* !!! ][ 123 ][ 28 ][ --- ]]
+  [[ signed char*->container::string ][ !!! *4* !!! ][ 125 ][ 25 ][ --- ]]
+  [[ iterator_range<char*>->char ][ !!! *<1* !!! ][ 100 ][ 13 ][ 8 ]]
+  [[ iterator_range<char*>->signed char ][ !!! *<1* !!! ][ 98 ][ 14 ][ 9 ]]
+  [[ iterator_range<char*>->unsigned char ][ !!! *<1* !!! ][ 99 ][ 12 ][ 10 ]]
+  [[ iterator_range<char*>->int ][ !!! *6* !!! ][ 108 ][ 21 ][ 16 ]]
+  [[ iterator_range<char*>->short ][ !!! *5* !!! ][ 110 ][ 22 ][ 17 ]]
+  [[ iterator_range<char*>->long int ][ !!! *7* !!! ][ 107 ][ 22 ][ 15 ]]
+  [[ iterator_range<char*>->long long ][ !!! *7* !!! ][ 110 ][ 27 ][ 15 ]]
+  [[ iterator_range<char*>->unsigned int ][ !!! *6* !!! ][ 107 ][ 24 ][ 15 ]]
+  [[ iterator_range<char*>->unsigned short ][ !!! *5* !!! ][ 106 ][ 21 ][ 15 ]]
+  [[ iterator_range<char*>->unsigned long int ][ !!! *7* !!! ][ 110 ][ 21 ][ 16 ]]
+  [[ iterator_range<char*>->unsigned long long ][ !!! *7* !!! ][ 109 ][ 23 ][ 16 ]]
+  [[ iterator_range<char*>->float ][ !!! *11* !!! ][ 137 ][ 46 ][ 33 ]]
+  [[ iterator_range<char*>->double ][ !!! *11* !!! ][ 131 ][ 50 ][ 33 ]]
+  [[ iterator_range<char*>->long double ][ 107 ][ 136 ][ 44 ][ !!! *39* !!! ]]
+  [[ iterator_range<char*>->string ][ !!! *8* !!! ][ 117 ][ 32 ][ --- ]]
+  [[ iterator_range<char*>->container::string ][ !!! *3* !!! ][ 111 ][ 23 ][ --- ]]
+  [[ int->int ][ !!! *<1* !!! ][ 110 ][ 33 ][ --- ]]
+  [[ float->double ][ !!! *<1* !!! ][ 241 ][ 152 ][ --- ]]
+  [[ char->signed char ][ !!! *<1* !!! ][ 90 ][ 8 ][ --- ]]
+]
+[endsect]
+
+[section GNU C++ version 4.5.4]
+[table:id Performance Table ( GNU C++ version 4.5.4)
+[[From->To] [lexical_cast] [std::stringstream with construction] [std::stringstream without construction][scanf/printf]]
+  [[ string->char ][ !!! *<1* !!! ][ 147 ][ 12 ][ 8 ]]
+  [[ string->signed char ][ !!! *<1* !!! ][ 138 ][ 13 ][ 10 ]]
+  [[ string->unsigned char ][ !!! *<1* !!! ][ 86 ][ 12 ][ 9 ]]
+  [[ string->int ][ !!! *7* !!! ][ 103 ][ 20 ][ 15 ]]
+  [[ string->short ][ !!! *5* !!! ][ 103 ][ 20 ][ 15 ]]
+  [[ string->long int ][ !!! *7* !!! ][ 103 ][ 22 ][ 15 ]]
+  [[ string->long long ][ !!! *7* !!! ][ 104 ][ 22 ][ 16 ]]
+  [[ string->unsigned int ][ !!! *6* !!! ][ 108 ][ 19 ][ 15 ]]
+  [[ string->unsigned short ][ !!! *5* !!! ][ 104 ][ 19 ][ 15 ]]
+  [[ string->unsigned long int ][ !!! *7* !!! ][ 103 ][ 20 ][ 16 ]]
+  [[ string->unsigned long long ][ !!! *7* !!! ][ 101 ][ 22 ][ 14 ]]
+  [[ string->float ][ !!! *13* !!! ][ 148 ][ 58 ][ 35 ]]
+  [[ string->double ][ !!! *13* !!! ][ 147 ][ 60 ][ 34 ]]
+  [[ string->long double ][ 103 ][ 149 ][ 56 ][ !!! *38* !!! ]]
+  [[ string->string ][ !!! *2* !!! ][ 127 ][ 27 ][ --- ]]
+  [[ string->container::string ][ !!! *3* !!! ][ 101 ][ 24 ][ --- ]]
+  [[ string->char ][ !!! *7* !!! ][ 108 ][ 35 ][ 17 ]]
+  [[ string->signed char ][ !!! *7* !!! ][ 112 ][ 26 ][ 23 ]]
+  [[ string->unsigned char ][ !!! *7* !!! ][ 113 ][ 25 ][ 25 ]]
+  [[ int->string ][ !!! *11* !!! ][ 183 ][ 47 ][ 40 ]]
+  [[ short->string ][ !!! *14* !!! ][ 153 ][ 35 ][ 23 ]]
+  [[ long int->string ][ !!! *12* !!! ][ 135 ][ 32 ][ 22 ]]
+  [[ long long->string ][ !!! *11* !!! ][ 131 ][ 30 ][ 24 ]]
+  [[ unsigned int->string ][ !!! *12* !!! ][ 137 ][ 31 ][ 22 ]]
+  [[ unsigned short->string ][ !!! *11* !!! ][ 137 ][ 33 ][ 22 ]]
+  [[ unsigned long int->string ][ !!! *11* !!! ][ 136 ][ 36 ][ 23 ]]
+  [[ unsigned long long->string ][ !!! *11* !!! ][ 127 ][ 29 ][ 23 ]]
+  [[ float->string ][ 56 ][ 218 ][ 107 ][ !!! *44* !!! ]]
+  [[ double->string ][ 63 ][ 223 ][ 106 ][ !!! *44* !!! ]]
+  [[ long double->string ][ 69 ][ 229 ][ 118 ][ !!! *49* !!! ]]
+  [[ char*->char ][ !!! *<1* !!! ][ 91 ][ 12 ][ 9 ]]
+  [[ char*->signed char ][ !!! *<1* !!! ][ 100 ][ 11 ][ 11 ]]
+  [[ char*->unsigned char ][ !!! *<1* !!! ][ 97 ][ 12 ][ 10 ]]
+  [[ char*->int ][ !!! *7* !!! ][ 112 ][ 23 ][ 16 ]]
+  [[ char*->short ][ !!! *6* !!! ][ 116 ][ 23 ][ 16 ]]
+  [[ char*->long int ][ !!! *8* !!! ][ 113 ][ 23 ][ 16 ]]
+  [[ char*->long long ][ !!! *8* !!! ][ 122 ][ 28 ][ 16 ]]
+  [[ char*->unsigned int ][ !!! *6* !!! ][ 117 ][ 21 ][ 15 ]]
+  [[ char*->unsigned short ][ !!! *6* !!! ][ 113 ][ 21 ][ 16 ]]
+  [[ char*->unsigned long int ][ !!! *7* !!! ][ 118 ][ 22 ][ 16 ]]
+  [[ char*->unsigned long long ][ !!! *8* !!! ][ 113 ][ 22 ][ 17 ]]
+  [[ char*->float ][ !!! *11* !!! ][ 164 ][ 67 ][ 34 ]]
+  [[ char*->double ][ !!! *13* !!! ][ 163 ][ 66 ][ 35 ]]
+  [[ char*->long double ][ 110 ][ 164 ][ 63 ][ !!! *39* !!! ]]
+  [[ char*->string ][ !!! *8* !!! ][ 130 ][ 30 ][ --- ]]
+  [[ char*->container::string ][ !!! *2* !!! ][ 113 ][ 24 ][ --- ]]
+  [[ unsigned char*->char ][ !!! *<1* !!! ][ 98 ][ 11 ][ 10 ]]
+  [[ unsigned char*->signed char ][ !!! *<1* !!! ][ 97 ][ 12 ][ 10 ]]
+  [[ unsigned char*->unsigned char ][ !!! *<1* !!! ][ 97 ][ 11 ][ 10 ]]
+  [[ unsigned char*->int ][ !!! *7* !!! ][ 112 ][ 23 ][ 16 ]]
+  [[ unsigned char*->short ][ !!! *6* !!! ][ 115 ][ 22 ][ 20 ]]
+  [[ unsigned char*->long int ][ !!! *8* !!! ][ 112 ][ 23 ][ 15 ]]
+  [[ unsigned char*->long long ][ !!! *8* !!! ][ 115 ][ 29 ][ 17 ]]
+  [[ unsigned char*->unsigned int ][ !!! *6* !!! ][ 114 ][ 21 ][ 14 ]]
+  [[ unsigned char*->unsigned short ][ !!! *7* !!! ][ 112 ][ 22 ][ 15 ]]
+  [[ unsigned char*->unsigned long int ][ !!! *7* !!! ][ 115 ][ 23 ][ 14 ]]
+  [[ unsigned char*->unsigned long long ][ !!! *8* !!! ][ 112 ][ 24 ][ 15 ]]
+  [[ unsigned char*->float ][ !!! *12* !!! ][ 161 ][ 66 ][ 34 ]]
+  [[ unsigned char*->double ][ !!! *13* !!! ][ 162 ][ 66 ][ 36 ]]
+  [[ unsigned char*->long double ][ 112 ][ 161 ][ 63 ][ !!! *39* !!! ]]
+  [[ unsigned char*->string ][ !!! *9* !!! ][ 127 ][ 29 ][ --- ]]
+  [[ unsigned char*->container::string ][ !!! *4* !!! ][ 111 ][ 25 ][ --- ]]
+  [[ signed char*->char ][ !!! *<1* !!! ][ 104 ][ 11 ][ 8 ]]
+  [[ signed char*->signed char ][ !!! *<1* !!! ][ 98 ][ 11 ][ 11 ]]
+  [[ signed char*->unsigned char ][ !!! *<1* !!! ][ 98 ][ 11 ][ 11 ]]
+  [[ signed char*->int ][ !!! *7* !!! ][ 112 ][ 23 ][ 16 ]]
+  [[ signed char*->short ][ !!! *7* !!! ][ 113 ][ 23 ][ 15 ]]
+  [[ signed char*->long int ][ !!! *8* !!! ][ 112 ][ 22 ][ 14 ]]
+  [[ signed char*->long long ][ !!! *8* !!! ][ 115 ][ 25 ][ 16 ]]
+  [[ signed char*->unsigned int ][ !!! *8* !!! ][ 114 ][ 21 ][ 18 ]]
+  [[ signed char*->unsigned short ][ !!! *6* !!! ][ 112 ][ 22 ][ 15 ]]
+  [[ signed char*->unsigned long int ][ !!! *8* !!! ][ 116 ][ 22 ][ 15 ]]
+  [[ signed char*->unsigned long long ][ !!! *8* !!! ][ 113 ][ 23 ][ 16 ]]
+  [[ signed char*->float ][ !!! *13* !!! ][ 161 ][ 65 ][ 34 ]]
+  [[ signed char*->double ][ !!! *12* !!! ][ 172 ][ 67 ][ 34 ]]
+  [[ signed char*->long double ][ 110 ][ 164 ][ 63 ][ !!! *38* !!! ]]
+  [[ signed char*->string ][ !!! *9* !!! ][ 131 ][ 30 ][ --- ]]
+  [[ signed char*->container::string ][ !!! *4* !!! ][ 112 ][ 24 ][ --- ]]
+  [[ iterator_range<char*>->char ][ !!! *<1* !!! ][ 103 ][ 12 ][ 8 ]]
+  [[ iterator_range<char*>->signed char ][ !!! *<1* !!! ][ 101 ][ 13 ][ 9 ]]
+  [[ iterator_range<char*>->unsigned char ][ !!! *<1* !!! ][ 103 ][ 13 ][ 10 ]]
+  [[ iterator_range<char*>->int ][ !!! *7* !!! ][ 113 ][ 26 ][ 14 ]]
+  [[ iterator_range<char*>->short ][ !!! *5* !!! ][ 115 ][ 21 ][ 16 ]]
+  [[ iterator_range<char*>->long int ][ !!! *7* !!! ][ 115 ][ 22 ][ 15 ]]
+  [[ iterator_range<char*>->long long ][ !!! *7* !!! ][ 116 ][ 25 ][ 16 ]]
+  [[ iterator_range<char*>->unsigned int ][ !!! *6* !!! ][ 115 ][ 24 ][ 23 ]]
+  [[ iterator_range<char*>->unsigned short ][ !!! *5* !!! ][ 113 ][ 22 ][ 16 ]]
+  [[ iterator_range<char*>->unsigned long int ][ !!! *7* !!! ][ 117 ][ 20 ][ 16 ]]
+  [[ iterator_range<char*>->unsigned long long ][ !!! *7* !!! ][ 114 ][ 21 ][ 16 ]]
+  [[ iterator_range<char*>->float ][ !!! *11* !!! ][ 145 ][ 51 ][ 34 ]]
+  [[ iterator_range<char*>->double ][ !!! *11* !!! ][ 139 ][ 53 ][ 35 ]]
+  [[ iterator_range<char*>->long double ][ 109 ][ 147 ][ 44 ][ !!! *38* !!! ]]
+  [[ iterator_range<char*>->string ][ !!! *9* !!! ][ 123 ][ 36 ][ --- ]]
+  [[ iterator_range<char*>->container::string ][ !!! *3* !!! ][ 113 ][ 20 ][ --- ]]
+  [[ int->int ][ !!! *<1* !!! ][ 117 ][ 23 ][ --- ]]
+  [[ float->double ][ !!! *<1* !!! ][ 262 ][ 150 ][ --- ]]
+  [[ char->signed char ][ !!! *<1* !!! ][ 97 ][ 9 ][ --- ]]
+]
+[endsect]
+
+[section GNU C++ version 4.4.6]
+[table:id Performance Table ( GNU C++ version 4.4.6)
+[[From->To] [lexical_cast] [std::stringstream with construction] [std::stringstream without construction][scanf/printf]]
+  [[ string->char ][ !!! *<1* !!! ][ 162 ][ 17 ][ 8 ]]
+  [[ string->signed char ][ !!! *<1* !!! ][ 103 ][ 9 ][ 9 ]]
+  [[ string->unsigned char ][ !!! *<1* !!! ][ 91 ][ 9 ][ 9 ]]
+  [[ string->int ][ !!! *6* !!! ][ 104 ][ 21 ][ 14 ]]
+  [[ string->short ][ !!! *5* !!! ][ 107 ][ 22 ][ 14 ]]
+  [[ string->long int ][ !!! *7* !!! ][ 106 ][ 23 ][ 15 ]]
+  [[ string->long long ][ !!! *7* !!! ][ 104 ][ 21 ][ 16 ]]
+  [[ string->unsigned int ][ !!! *6* !!! ][ 100 ][ 20 ][ 16 ]]
+  [[ string->unsigned short ][ !!! *5* !!! ][ 102 ][ 20 ][ 16 ]]
+  [[ string->unsigned long int ][ !!! *7* !!! ][ 106 ][ 25 ][ 16 ]]
+  [[ string->unsigned long long ][ !!! *7* !!! ][ 109 ][ 25 ][ 14 ]]
+  [[ string->float ][ !!! *13* !!! ][ 142 ][ 48 ][ 32 ]]
+  [[ string->double ][ !!! *13* !!! ][ 162 ][ 62 ][ 33 ]]
+  [[ string->long double ][ 119 ][ 164 ][ 62 ][ !!! *37* !!! ]]
+  [[ string->string ][ !!! *2* !!! ][ 122 ][ 27 ][ --- ]]
+  [[ string->container::string ][ !!! *2* !!! ][ 107 ][ 23 ][ --- ]]
+  [[ string->char ][ !!! *6* !!! ][ 110 ][ 24 ][ 15 ]]
+  [[ string->signed char ][ !!! *6* !!! ][ 107 ][ 24 ][ 21 ]]
+  [[ string->unsigned char ][ !!! *6* !!! ][ 106 ][ 27 ][ 21 ]]
+  [[ int->string ][ !!! *12* !!! ][ 122 ][ 31 ][ 21 ]]
+  [[ short->string ][ !!! *12* !!! ][ 136 ][ 29 ][ 20 ]]
+  [[ long int->string ][ !!! *12* !!! ][ 127 ][ 32 ][ 19 ]]
+  [[ long long->string ][ !!! *12* !!! ][ 121 ][ 32 ][ 21 ]]
+  [[ unsigned int->string ][ !!! *12* !!! ][ 133 ][ 32 ][ 19 ]]
+  [[ unsigned short->string ][ !!! *12* !!! ][ 126 ][ 33 ][ 20 ]]
+  [[ unsigned long int->string ][ !!! *11* !!! ][ 126 ][ 34 ][ 19 ]]
+  [[ unsigned long long->string ][ !!! *12* !!! ][ 125 ][ 28 ][ 21 ]]
+  [[ float->string ][ 47 ][ 183 ][ 86 ][ !!! *43* !!! ]]
+  [[ double->string ][ 57 ][ 184 ][ 90 ][ !!! *42* !!! ]]
+  [[ long double->string ][ 64 ][ 199 ][ 87 ][ !!! *46* !!! ]]
+  [[ char*->char ][ !!! *<1* !!! ][ 95 ][ 10 ][ 8 ]]
+  [[ char*->signed char ][ !!! *<1* !!! ][ 90 ][ 12 ][ 9 ]]
+  [[ char*->unsigned char ][ !!! *<1* !!! ][ 93 ][ 12 ][ 9 ]]
+  [[ char*->int ][ !!! *6* !!! ][ 108 ][ 24 ][ 14 ]]
+  [[ char*->short ][ !!! *6* !!! ][ 106 ][ 23 ][ 14 ]]
+  [[ char*->long int ][ !!! *7* !!! ][ 107 ][ 24 ][ 17 ]]
+  [[ char*->long long ][ !!! *7* !!! ][ 109 ][ 25 ][ 17 ]]
+  [[ char*->unsigned int ][ !!! *6* !!! ][ 104 ][ 23 ][ 17 ]]
+  [[ char*->unsigned short ][ !!! *6* !!! ][ 102 ][ 22 ][ 17 ]]
+  [[ char*->unsigned long int ][ !!! *7* !!! ][ 107 ][ 23 ][ 17 ]]
+  [[ char*->unsigned long long ][ !!! *7* !!! ][ 115 ][ 26 ][ 14 ]]
+  [[ char*->float ][ !!! *12* !!! ][ 150 ][ 56 ][ 30 ]]
+  [[ char*->double ][ !!! *12* !!! ][ 165 ][ 66 ][ 32 ]]
+  [[ char*->long double ][ 116 ][ 173 ][ 66 ][ !!! *37* !!! ]]
+  [[ char*->string ][ !!! *7* !!! ][ 120 ][ 28 ][ --- ]]
+  [[ char*->container::string ][ !!! *2* !!! ][ 108 ][ 26 ][ --- ]]
+  [[ unsigned char*->char ][ !!! *<1* !!! ][ 90 ][ 12 ][ 8 ]]
+  [[ unsigned char*->signed char ][ !!! *<1* !!! ][ 91 ][ 11 ][ 9 ]]
+  [[ unsigned char*->unsigned char ][ !!! *<1* !!! ][ 91 ][ 12 ][ 9 ]]
+  [[ unsigned char*->int ][ !!! *6* !!! ][ 106 ][ 24 ][ 14 ]]
+  [[ unsigned char*->short ][ !!! *6* !!! ][ 108 ][ 24 ][ 14 ]]
+  [[ unsigned char*->long int ][ !!! *7* !!! ][ 116 ][ 23 ][ 14 ]]
+  [[ unsigned char*->long long ][ !!! *7* !!! ][ 108 ][ 28 ][ 14 ]]
+  [[ unsigned char*->unsigned int ][ !!! *6* !!! ][ 107 ][ 22 ][ 14 ]]
+  [[ unsigned char*->unsigned short ][ !!! *6* !!! ][ 105 ][ 21 ][ 16 ]]
+  [[ unsigned char*->unsigned long int ][ !!! *7* !!! ][ 106 ][ 25 ][ 16 ]]
+  [[ unsigned char*->unsigned long long ][ !!! *7* !!! ][ 105 ][ 24 ][ 17 ]]
+  [[ unsigned char*->float ][ !!! *14* !!! ][ 150 ][ 57 ][ 33 ]]
+  [[ unsigned char*->double ][ !!! *14* !!! ][ 171 ][ 72 ][ 34 ]]
+  [[ unsigned char*->long double ][ 118 ][ 171 ][ 73 ][ !!! *38* !!! ]]
+  [[ unsigned char*->string ][ !!! *8* !!! ][ 120 ][ 29 ][ --- ]]
+  [[ unsigned char*->container::string ][ !!! *3* !!! ][ 114 ][ 26 ][ --- ]]
+  [[ signed char*->char ][ !!! *<1* !!! ][ 92 ][ 12 ][ 8 ]]
+  [[ signed char*->signed char ][ !!! *<1* !!! ][ 92 ][ 12 ][ 9 ]]
+  [[ signed char*->unsigned char ][ !!! *<1* !!! ][ 91 ][ 14 ][ 9 ]]
+  [[ signed char*->int ][ !!! *6* !!! ][ 109 ][ 22 ][ 15 ]]
+  [[ signed char*->short ][ !!! *6* !!! ][ 106 ][ 24 ][ 17 ]]
+  [[ signed char*->long int ][ !!! *7* !!! ][ 107 ][ 24 ][ 16 ]]
+  [[ signed char*->long long ][ !!! *7* !!! ][ 106 ][ 24 ][ 14 ]]
+  [[ signed char*->unsigned int ][ !!! *6* !!! ][ 106 ][ 22 ][ 14 ]]
+  [[ signed char*->unsigned short ][ !!! *6* !!! ][ 104 ][ 20 ][ 14 ]]
+  [[ signed char*->unsigned long int ][ !!! *7* !!! ][ 105 ][ 22 ][ 16 ]]
+  [[ signed char*->unsigned long long ][ !!! *7* !!! ][ 108 ][ 24 ][ 15 ]]
+  [[ signed char*->float ][ !!! *14* !!! ][ 147 ][ 54 ][ 32 ]]
+  [[ signed char*->double ][ !!! *14* !!! ][ 170 ][ 68 ][ 37 ]]
+  [[ signed char*->long double ][ 133 ][ 167 ][ 66 ][ !!! *37* !!! ]]
+  [[ signed char*->string ][ !!! *8* !!! ][ 119 ][ 30 ][ --- ]]
+  [[ signed char*->container::string ][ !!! *3* !!! ][ 108 ][ 24 ][ --- ]]
+  [[ iterator_range<char*>->char ][ !!! *<1* !!! ][ 98 ][ 13 ][ 8 ]]
+  [[ iterator_range<char*>->signed char ][ !!! *<1* !!! ][ 98 ][ 15 ][ 9 ]]
+  [[ iterator_range<char*>->unsigned char ][ !!! *<1* !!! ][ 97 ][ 15 ][ 9 ]]
+  [[ iterator_range<char*>->int ][ !!! *6* !!! ][ 107 ][ 27 ][ 14 ]]
+  [[ iterator_range<char*>->short ][ !!! *5* !!! ][ 109 ][ 23 ][ 14 ]]
+  [[ iterator_range<char*>->long int ][ !!! *7* !!! ][ 109 ][ 22 ][ 14 ]]
+  [[ iterator_range<char*>->long long ][ !!! *7* !!! ][ 107 ][ 24 ][ 14 ]]
+  [[ iterator_range<char*>->unsigned int ][ !!! *6* !!! ][ 120 ][ 23 ][ 14 ]]
+  [[ iterator_range<char*>->unsigned short ][ !!! *5* !!! ][ 104 ][ 21 ][ 17 ]]
+  [[ iterator_range<char*>->unsigned long int ][ !!! *8* !!! ][ 108 ][ 25 ][ 16 ]]
+  [[ iterator_range<char*>->unsigned long long ][ !!! *7* !!! ][ 106 ][ 25 ][ 15 ]]
+  [[ iterator_range<char*>->float ][ !!! *13* !!! ][ 132 ][ 41 ][ 32 ]]
+  [[ iterator_range<char*>->double ][ !!! *12* !!! ][ 136 ][ 45 ][ 32 ]]
+  [[ iterator_range<char*>->long double ][ 113 ][ 138 ][ 50 ][ !!! *36* !!! ]]
+  [[ iterator_range<char*>->string ][ !!! *7* !!! ][ 114 ][ 33 ][ --- ]]
+  [[ iterator_range<char*>->container::string ][ !!! *2* !!! ][ 105 ][ 24 ][ --- ]]
+  [[ int->int ][ !!! *<1* !!! ][ 112 ][ 31 ][ --- ]]
+  [[ float->double ][ !!! *<1* !!! ][ 233 ][ 199 ][ --- ]]
+  [[ char->signed char ][ !!! *<1* !!! ][ 129 ][ 10 ][ --- ]]
+]
+[endsect]
+
+[/ END of section, generated by performance measuring program ]
+[endsect]
+
@@ -1,7 +1,6 @@
-//  boost polymorphic_cast.hpp header file  ----------------------------------------------//
+//  boost cast.hpp header file  ----------------------------------------------//

 //  (C) Copyright Kevlin Henney and Dave Abrahams 1999.
-//  (C) Copyright Boris Rasin 2014.
 //  Distributed under the Boost
 //  Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -9,12 +8,7 @@
 //  See http://www.boost.org/libs/conversion for Documentation.

 //  Revision History
-//  10 Nov 14  polymorphic_pointer_downcast moved to a separate header,
-//             minor improvements to stisfy latest Boost coding style
-//  08 Nov 14  Add polymorphic_pointer_downcast (Boris Rasin)
-//  09 Jun 14  "cast.hpp" was renamed to "polymorphic_cast.hpp" and
-//             inclusion of numeric_cast was removed (Antony Polukhin)
-//  23 Jun 05  numeric_cast removed and redirected to the new version (Fernando Cacciola)
+//  23 JUn 05  numeric_cast removed and redirected to the new verion (Fernando Cacciola)
 //  02 Apr 01  Removed BOOST_NO_LIMITS workarounds and included
 //             <boost/limits.hpp> instead (the workaround did not
 //             actually compile when BOOST_NO_LIMITS was defined in
@@ -31,7 +25,7 @@
 //  19 Oct 00  Fix numeric_cast for floating-point types (Dave Abrahams)
 //  15 Jul 00  Suppress numeric_cast warnings for GCC, Borland and MSVC
 //             (Dave Abrahams)
-//  30 Jun 00  More MSVC6 workarounds.  See comments below.  (Dave Abrahams)
+//  30 Jun 00  More MSVC6 wordarounds.  See comments below.  (Dave Abrahams)
 //  28 Jun 00  Removed implicit_cast<>.  See comment below. (Beman Dawes)
 //  27 Jun 00  More MSVC6 workarounds
 //  15 Jun 00  Add workarounds for MSVC6
@@ -46,27 +40,26 @@
 //             place in nested namespace.
 //   3 Aug 99  Initial version

-#ifndef BOOST_POLYMORPHIC_CAST_HPP
-#define BOOST_POLYMORPHIC_CAST_HPP
-
-#include <boost/config.hpp>
-
-#ifdef BOOST_HAS_PRAGMA_ONCE
-#   pragma once
-#endif
+#ifndef BOOST_CAST_HPP
+#define BOOST_CAST_HPP

+# include <boost/config.hpp>
 # include <boost/assert.hpp>
-# include <boost/throw_exception.hpp>
-
-# include <memory>  // std::addressof
 # include <typeinfo>
-# include <type_traits>
+# include <boost/type.hpp>
+# include <boost/limits.hpp>
+# include <boost/detail/select_type.hpp>

-#if defined(__cpp_constexpr) && __cpp_constexpr >= 201907L
-#define BOOST_CONVERSION_IMPL_CONSTEXPR_DYN_CAST constexpr
-#else
-#define BOOST_CONVERSION_IMPL_CONSTEXPR_DYN_CAST inline
-#endif
+//  It has been demonstrated numerous times that MSVC 6.0 fails silently at link
+//  time if you use a template function which has template parameters that don't
+//  appear in the function's argument list.
+//
+//  TODO: Add this to config.hpp?
+# if defined(BOOST_MSVC) && BOOST_MSVC < 1300
+#  define BOOST_EXPLICIT_DEFAULT_TARGET , ::boost::type<Target>* = 0
+# else
+#  define BOOST_EXPLICIT_DEFAULT_TARGET
+# endif

 namespace boost
 {
@@ -80,16 +73,16 @@ namespace boost
    //  section 15.8 exercise 1, page 425.

    template <class Target, class Source>
-    BOOST_CONVERSION_IMPL_CONSTEXPR_DYN_CAST Target polymorphic_cast(Source* x)
+    inline Target polymorphic_cast(Source* x BOOST_EXPLICIT_DEFAULT_TARGET)
    {
        Target tmp = dynamic_cast<Target>(x);
-        if ( tmp == 0 ) boost::throw_exception( std::bad_cast() );
+        if ( tmp == 0 ) throw std::bad_cast();
        return tmp;
    }

 //  polymorphic_downcast  ----------------------------------------------------//

-    //  BOOST_ASSERT() checked raw pointer polymorphic downcast.  Crosscasts prohibited.
+    //  BOOST_ASSERT() checked polymorphic downcast.  Crosscasts prohibited.

    //  WARNING: Because this cast uses BOOST_ASSERT(), it violates
    //  the One Definition Rule if used in multiple translation units
@@ -99,34 +92,16 @@ namespace boost
    //  Contributed by Dave Abrahams

    template <class Target, class Source>
-    BOOST_CONVERSION_IMPL_CONSTEXPR_DYN_CAST Target polymorphic_downcast(Source* x)
+    inline Target polymorphic_downcast(Source* x BOOST_EXPLICIT_DEFAULT_TARGET)
    {
        BOOST_ASSERT( dynamic_cast<Target>(x) == x );  // detect logic error
        return static_cast<Target>(x);
    }

-    //  BOOST_ASSERT() checked reference polymorphic downcast.  Crosscasts prohibited.
-
-    //  WARNING: Because this cast uses BOOST_ASSERT(), it violates
-    //  the One Definition Rule if used in multiple translation units
-    //  where BOOST_DISABLE_ASSERTS, BOOST_ENABLE_ASSERT_HANDLER
-    //  NDEBUG are defined inconsistently.
-
-    //  Contributed by Julien Delacroix
-
-    template <class Target, class Source>
-    BOOST_CONVERSION_IMPL_CONSTEXPR_DYN_CAST typename std::enable_if<
-        std::is_reference<Target>::value, Target
-    >::type polymorphic_downcast(Source& x)
-    {
-        using target_pointer_type = typename std::remove_reference<Target>::type*;
-        return *boost::polymorphic_downcast<target_pointer_type>(
-            std::addressof(x)
-        );
-    }
+#  undef BOOST_EXPLICIT_DEFAULT_TARGET

 } // namespace boost

-#undef BOOST_CONVERSION_IMPL_CONSTEXPR_DYN_CAST
+# include <boost/numeric/conversion/cast.hpp>

-#endif  // BOOST_POLYMORPHIC_CAST_HPP
+#endif  // BOOST_CAST_HPP
@@ -0,0 +1,184 @@
+// Copyright Alexander Nasonov & Paul A. Bristow 2006.
+
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_DETAIL_LCAST_PRECISION_HPP_INCLUDED
+#define BOOST_DETAIL_LCAST_PRECISION_HPP_INCLUDED
+
+#include <climits>
+#include <ios>
+#include <limits>
+
+#include <boost/config.hpp>
+#include <boost/integer_traits.hpp>
+
+#ifndef BOOST_NO_IS_ABSTRACT
+// Fix for SF:1358600 - lexical_cast & pure virtual functions & VC 8 STL
+#include <boost/mpl/if.hpp>
+#include <boost/type_traits/is_abstract.hpp>
+#endif
+
+#if defined(BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS) || \
+  (defined(BOOST_MSVC) && (BOOST_MSVC<1310))
+
+#define BOOST_LCAST_NO_COMPILE_TIME_PRECISION
+#endif
+
+#ifdef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
+#include <boost/assert.hpp>
+#else
+#include <boost/static_assert.hpp>
+#endif
+
+namespace boost { namespace detail {
+
+class lcast_abstract_stub {};
+
+#ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
+// Calculate an argument to pass to std::ios_base::precision from
+// lexical_cast. See alternative implementation for broken standard
+// libraries in lcast_get_precision below. Keep them in sync, please.
+template<class T>
+struct lcast_precision
+{
+#ifdef BOOST_NO_IS_ABSTRACT
+    typedef std::numeric_limits<T> limits; // No fix for SF:1358600.
+#else
+    typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_<
+        boost::is_abstract<T>
+      , std::numeric_limits<lcast_abstract_stub>
+      , std::numeric_limits<T>
+      >::type limits;
+#endif
+
+    BOOST_STATIC_CONSTANT(bool, use_default_precision =
+            !limits::is_specialized || limits::is_exact
+        );
+
+    BOOST_STATIC_CONSTANT(bool, is_specialized_bin =
+            !use_default_precision &&
+            limits::radix == 2 && limits::digits > 0
+        );
+
+    BOOST_STATIC_CONSTANT(bool, is_specialized_dec =
+            !use_default_precision &&
+            limits::radix == 10 && limits::digits10 > 0
+        );
+
+    BOOST_STATIC_CONSTANT(std::streamsize, streamsize_max =
+            boost::integer_traits<std::streamsize>::const_max
+        );
+
+    BOOST_STATIC_CONSTANT(unsigned int, precision_dec = limits::digits10 + 1U);
+
+    BOOST_STATIC_ASSERT(!is_specialized_dec ||
+            precision_dec <= streamsize_max + 0UL
+        );
+
+    BOOST_STATIC_CONSTANT(unsigned long, precision_bin =
+            2UL + limits::digits * 30103UL / 100000UL
+        );
+
+    BOOST_STATIC_ASSERT(!is_specialized_bin ||
+            (limits::digits + 0UL < ULONG_MAX / 30103UL &&
+            precision_bin > limits::digits10 + 0UL &&
+            precision_bin <= streamsize_max + 0UL)
+        );
+
+    BOOST_STATIC_CONSTANT(std::streamsize, value =
+            is_specialized_bin ? precision_bin
+                               : is_specialized_dec ? precision_dec : 6
+        );
+};
+#endif
+
+template<class T>
+inline std::streamsize lcast_get_precision(T* = 0)
+{
+#ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
+    return lcast_precision<T>::value;
+#else // Follow lcast_precision algorithm at run-time:
+
+#ifdef BOOST_NO_IS_ABSTRACT
+    typedef std::numeric_limits<T> limits; // No fix for SF:1358600.
+#else
+    typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_<
+        boost::is_abstract<T>
+      , std::numeric_limits<lcast_abstract_stub>
+      , std::numeric_limits<T>
+      >::type limits;
+#endif
+
+    bool const use_default_precision =
+        !limits::is_specialized || limits::is_exact;
+
+    if(!use_default_precision)
+    { // Includes all built-in floating-point types, float, double ...
+      // and UDT types for which digits (significand bits) is defined (not zero)
+
+        bool const is_specialized_bin =
+            limits::radix == 2 && limits::digits > 0;
+        bool const is_specialized_dec =
+            limits::radix == 10 && limits::digits10 > 0;
+        std::streamsize const streamsize_max =
+            (boost::integer_traits<std::streamsize>::max)();
+
+        if(is_specialized_bin)
+        { // Floating-point types with
+          // limits::digits defined by the specialization.
+
+            unsigned long const digits = limits::digits;
+            unsigned long const precision = 2UL + digits * 30103UL / 100000UL;
+            // unsigned long is selected because it is at least 32-bits
+            // and thus ULONG_MAX / 30103UL is big enough for all types.
+            BOOST_ASSERT(
+                    digits < ULONG_MAX / 30103UL &&
+                    precision > limits::digits10 + 0UL &&
+                    precision <= streamsize_max + 0UL
+                );
+            return precision;
+        }
+        else if(is_specialized_dec)
+        {   // Decimal Floating-point type, most likely a User Defined Type
+            // rather than a real floating-point hardware type.
+            unsigned int const precision = limits::digits10 + 1U;
+            BOOST_ASSERT(precision <= streamsize_max + 0UL);
+            return precision;
+        }
+    }
+
+    // Integral type (for which precision has no effect)
+    // or type T for which limits is NOT specialized,
+    // so assume stream precision remains the default 6 decimal digits.
+    // Warning: if your User-defined Floating-point type T is NOT specialized,
+    // then you may lose accuracy by only using 6 decimal digits.
+    // To avoid this, you need to specialize T with either
+    // radix == 2 and digits == the number of significand bits,
+    // OR
+    // radix = 10 and digits10 == the number of decimal digits.
+
+    return 6;
+#endif
+}
+
+template<class T>
+inline void lcast_set_precision(std::ios_base& stream, T*)
+{
+    stream.precision(lcast_get_precision<T>());
+}
+
+template<class Source, class Target>
+inline void lcast_set_precision(std::ios_base& stream, Source*, Target*)
+{
+    std::streamsize const s = lcast_get_precision(static_cast<Source*>(0));
+    std::streamsize const t = lcast_get_precision(static_cast<Target*>(0));
+    stream.precision(s > t ? s : t);
+}
+
+}}
+
+#endif //  BOOST_DETAIL_LCAST_PRECISION_HPP_INCLUDED
+
@@ -2,37 +2,28 @@
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
+#ifndef IMPLICIT_CAST_DWA200356_HPP
+# define IMPLICIT_CAST_DWA200356_HPP

-#ifndef BOOST_IMPLICIT_CAST_DWA200356_HPP
-#define BOOST_IMPLICIT_CAST_DWA200356_HPP
-
-#include <boost/config.hpp>
-#ifdef BOOST_HAS_PRAGMA_ONCE
-# pragma once
-#endif
+# include <boost/mpl/identity.hpp>

 namespace boost {

-namespace detail {
-
-template<class T> struct icast_identity
-{
-    using type = T;
-};
-
-} // namespace detail
-
 // implementation originally suggested by C. Green in
 // http://lists.boost.org/MailArchives/boost/msg00886.php

 // The use of identity creates a non-deduced form, so that the
 // explicit template argument must be supplied
 template <typename T>
-constexpr T implicit_cast (typename boost::detail::icast_identity<T>::type x) {
+inline T implicit_cast (typename mpl::identity<T>::type x) {
    return x;
 }

+// incomplete return type now is here
+//template <typename T>
+//void implicit_cast (...);
+
 } // namespace boost


-#endif // BOOST_IMPLICIT_CAST_DWA200356_HPP
+#endif // IMPLICIT_CAST_DWA200356_HPP
@@ -1,60 +0,0 @@
-//  boost polymorphic_pointer_cast.hpp header file  ----------------------------------------------//
-//  (C) Copyright Boris Rasin, 2014-2021.
-//  (C) Copyright Antony Polukhin, 2014-2026.
-//  Distributed under the Boost
-//  Software License, Version 1.0. (See accompanying file
-//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-
-//  See http://www.boost.org/libs/conversion for Documentation.
-
-#ifndef BOOST_CONVERSION_POLYMORPHIC_POINTER_CAST_HPP
-#define BOOST_CONVERSION_POLYMORPHIC_POINTER_CAST_HPP
-
-#include <boost/config.hpp>
-#ifdef BOOST_HAS_PRAGMA_ONCE
-#   pragma once
-#endif
-
-# include <boost/assert.hpp>
-# include <boost/pointer_cast.hpp>
-# include <boost/throw_exception.hpp>
-
-
-namespace boost
-{
-//  See the documentation for descriptions of how to choose between
-//  static_pointer_cast<>, dynamic_pointer_cast<>, polymorphic_pointer_cast<> and polymorphic_pointer_downcast<>
-
-//  polymorphic_pointer_downcast  --------------------------------------------//
-
-    //  BOOST_ASSERT() checked polymorphic downcast.  Crosscasts prohibited.
-    //  Supports any type with static_pointer_cast/dynamic_pointer_cast functions:
-    //  built-in pointers, std::shared_ptr, boost::shared_ptr, boost::intrusive_ptr, etc.
-
-    //  WARNING: Because this cast uses BOOST_ASSERT(), it violates
-    //  the One Definition Rule if used in multiple translation units
-    //  where BOOST_DISABLE_ASSERTS, BOOST_ENABLE_ASSERT_HANDLER
-    //  NDEBUG are defined inconsistently.
-
-    //  Contributed by Boris Rasin
-
-    template <typename Target, typename Source>
-    inline auto polymorphic_pointer_downcast (const Source& x)
-        -> decltype(static_pointer_cast<Target>(x))
-    {
-        BOOST_ASSERT(dynamic_pointer_cast<Target> (x) == x);
-        return static_pointer_cast<Target> (x);
-    }
-
-    template <typename Target, typename Source>
-    inline auto polymorphic_pointer_cast (const Source& x)
-        -> decltype(dynamic_pointer_cast<Target>(x))
-    {
-        auto tmp = dynamic_pointer_cast<Target> (x);
-        if ( !tmp ) boost::throw_exception( std::bad_cast() );
-        return tmp;
-    }
-
-} // namespace boost
-
-#endif  // BOOST_CONVERSION_POLYMORPHIC_POINTER_CAST_HPP
@@ -1,39 +1,38 @@
-<!DOCTYPE html>
-<!--
- Copyright (c) 2016 Mikhail Maximov
- vigorous.activity at gmail dot com
-
- Copyright (c) Antony Polukhin, 2021-2026
-
- 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)
-
-boost-no-inspect
-->
 <html>
+
 <head>
-<meta charset="utf-8">
-<meta http-equiv="refresh" content="0; url=../../doc/html/conversion.html">
-<title>Boost.Conversion</title>
-<style>
-  body {
-    background: #fff;
-    color: #000;
-  }
-  a {
-    color: #00f;
-    text-decoration: none;
-  }
-</style>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
+<meta name="ProgId" content="FrontPage.Editor.Document">
+<title>Boost Conversion Library</title>
 </head>
-<body>
-  <p>
-    Automatic redirection failed, please go to
-    <a href="../../doc/html/conversion.html">../../doc/html/conversion.html</a>
-  </p>
-  <p>
-    &copy; Antony Polukhin, 2014-2024
-  </p>
+
+<body bgcolor="#FFFFFF" text="#000000">
+
+<h1><img border="0" src="../../boost.png" align="center" width="277" height="86">Boost
+Conversion Library</h1>
+
+<p>The Conversion Library improves program safety and clarity by performing
+otherwise messy conversions.&nbsp; It includes cast-style function templates designed to complement the C++
+Standard's built-in casts.</p>
+<p>To reduce coupling, particularly to standard library IOStreams, the Boost
+Conversion Library is
+supplied by several headers:</p>
+<ul>
+  <li>The <a href="cast.htm">boost/cast</a> header provides <b>polymorphic_cast&lt;&gt;</b>
+    and <b>polymorphic_downcast&lt;&gt;</b> to perform safe casting between
+  polymorphic types.<br>
+  </li>
+  <li>The <a href="../../doc/html/boost_lexical_cast.html">boost/lexical_cast</a> header provides <b>lexical_cast&lt;&gt;</b>
+    general literal text conversions, such as an <code>int</code> represented as
+    a <code>string</code>, or vice-versa.</li>
+</ul>
+<hr>
+<p>Revised <!--webbot bot="Timestamp" S-Type="EDITED"
+S-Format="%d %B, %Y" startspan -->June 23, 2005<!--webbot bot="Timestamp" endspan i-checksum="30348" -->
+</p>
+
 </body>
-</html>
+
+</html>
@@ -0,0 +1,16 @@
+
+<!--
+Copyright 2005-2007 Daniel James.
+Distributed under the Boost Software License, Version 1.0. (See accompanying
+file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+-->
+
+<html>
+<head>
+    <meta http-equiv="refresh" content="0; URL=../../doc/html/boost_lexical_cast.html">
+</head>
+<body>
+Automatic redirection failed, please go to
+<a href="../../doc/html/boost_lexical_cast.html">../../doc/html/boost_lexical_cast.html</a>
+</body>
+</html>
@@ -1,16 +0,0 @@
-{
-    "key": "conversion",
-    "name": "Conversion",
-    "authors": [
-        "Dave Abrahams",
-        "Kevlin Henney"
-    ],
-    "description": "Polymorphic casts.",
-    "category": [
-        "Miscellaneous"
-    ],
-    "maintainers": [
-        "Antony Polukhin <antoshkka -at- gmail.com>"
-    ],
-    "cxxstd": "11"
-}
@@ -0,0 +1,100 @@
+//  boost utility cast test program  -----------------------------------------//
+
+//  (C) Copyright Beman Dawes, Dave Abrahams 1999. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for most recent version including documentation.
+
+//  Revision History
+//   28 Set 04  factored out numeric_cast<> test (Fernando Cacciola)
+//   20 Jan 01  removed use of <limits> for portability to raw GCC (David Abrahams)
+//   28 Jun 00  implicit_cast removed (Beman Dawes)
+//   30 Aug 99  value_cast replaced by numeric_cast
+//    3 Aug 99  Initial Version
+
+#include <iostream>
+#include <climits>
+#include <cfloat>   // for DBL_MAX (Peter Schmid)
+#include <boost/cast.hpp>
+
+#include "boost/test/minimal.hpp"
+
+#  if SCHAR_MAX == LONG_MAX
+#      error "This test program doesn't work if SCHAR_MAX == LONG_MAX"
+#  endif
+
+using namespace boost;
+using std::cout;
+
+
+int test_main( int argc, char * argv[] )
+{
+
+#   ifdef NDEBUG
+        cout << "NDEBUG is defined\n";
+#   else
+        cout << "NDEBUG is not defined\n";
+#   endif
+
+    cout << "\nBeginning tests...\n";
+
+//  test implicit_cast and numeric_cast  -------------------------------------//
+
+    //  tests which should succeed
+    long small_value = 1;
+    long small_negative_value = -1;
+    long large_value = LONG_MAX;
+    long large_negative_value = LONG_MIN;
+    signed char c = 0;
+
+    c = large_value;  // see if compiler generates warning
+
+    c = numeric_cast<signed char>( small_value );
+    BOOST_CHECK( c == 1 );
+    c = 0;
+    c = numeric_cast<signed char>( small_value );
+    BOOST_CHECK( c == 1 );
+    c = 0;
+    c = numeric_cast<signed char>( small_negative_value );
+    BOOST_CHECK( c == -1 );
+
+    // These tests courtesy of Joe R NWP Swatosh<joe.r.swatosh@usace.army.mil>
+    BOOST_CHECK( 0.0f == numeric_cast<float>( 0.0 ) );
+    BOOST_CHECK( 0.0 == numeric_cast<double>( 0.0 ) );
+
+    //  tests which should result in errors being detected
+
+    bool caught_exception = false;
+    try { c = numeric_cast<signed char>( large_value ); }
+    catch (bad_numeric_cast)
+        { cout<<"caught bad_numeric_cast #1\n"; caught_exception = true; }
+    BOOST_CHECK ( caught_exception );
+
+    caught_exception = false;
+    try { c = numeric_cast<signed char>( large_negative_value ); }
+    catch (bad_numeric_cast)
+        { cout<<"caught bad_numeric_cast #2\n"; caught_exception = true; }
+    BOOST_CHECK ( caught_exception );
+
+    unsigned long ul;
+    caught_exception = false;
+    try { ul = numeric_cast<unsigned long>( large_negative_value ); }
+    catch (bad_numeric_cast)
+        { cout<<"caught bad_numeric_cast #3\n"; caught_exception = true; }
+    BOOST_CHECK ( caught_exception );
+
+    caught_exception = false;
+    try { ul = numeric_cast<unsigned long>( small_negative_value ); }
+    catch (bad_numeric_cast)
+        { cout<<"caught bad_numeric_cast #4\n"; caught_exception = true; }
+    BOOST_CHECK ( caught_exception );
+
+    caught_exception = false;
+    try { numeric_cast<int>( DBL_MAX ); }
+    catch (bad_numeric_cast)
+        { cout<<"caught bad_numeric_cast #5\n"; caught_exception = true; }
+    BOOST_CHECK ( caught_exception );
+
+    return 0 ;
+}
@@ -0,0 +1,29 @@
+#==============================================================================
+#   Copyright (c) 2012 Antony Polukhin
+#
+#   Distributed under the Boost Software License, Version 1.0. (See accompanying
+#   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#==============================================================================
+
+# performance tests
+import testing ;
+import path ;
+
+path-constant TEST_DIR : . ;
+
+project performance/test
+    : source-location ./
+    : requirements
+#      <library>/boost/chrono//boost_chrono
+#      <library>/boost/system//boost_system
+      <link>static
+      <target-os>freebsd:<linkflags>"-lrt"
+      <target-os>linux:<linkflags>"-lrt"
+      <toolset>gcc:<cxxflags>-fvisibility=hidden
+      <toolset>intel-linux:<cxxflags>-fvisibility=hidden
+      <toolset>sun:<cxxflags>-xldscope=hidden
+    : default-build release
+ ;
+
+run performance_test.cpp : $(TEST_DIR) ;
+
@@ -0,0 +1,324 @@
+//  (C) Copyright Antony Polukhin 2012.
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for most recent version.
+
+//
+// Testing lexical_cast<> performance
+//
+
+#define BOOST_ERROR_CODE_HEADER_ONLY
+#define BOOST_CHRONO_HEADER_ONLY
+
+#include <boost/lexical_cast.hpp>
+#include <boost/chrono.hpp>
+#include <fstream>
+#include <cstring>
+#include <boost/container/string.hpp>
+
+// File to output data
+std::fstream fout;
+
+template <class OutT, class InT>
+static inline void test_lexical(const InT& in_val) {
+    OutT out_val = boost::lexical_cast<OutT>(in_val);
+    (void)out_val;
+}
+
+template <class OutT, class InT>
+static inline void test_ss_constr(const InT& in_val) {
+    OutT out_val;
+    std::stringstream ss;
+    ss << in_val;
+    if (ss.fail()) throw std::logic_error("descr");
+    ss >> out_val;
+    if (ss.fail()) throw std::logic_error("descr");
+}
+
+template <class OutT, class StringStreamT, class InT>
+static inline void test_ss_noconstr(StringStreamT& ss, const InT& in_val) {
+    OutT out_val;
+    ss << in_val; // ss is an instance of std::stringstream
+    if (ss.fail()) throw std::logic_error("descr");
+    ss >> out_val;
+    if (ss.fail()) throw std::logic_error("descr");
+    /* reseting std::stringstream to use it again */
+    ss.str(std::string());
+    ss.clear();
+}
+
+struct structure_sprintf {
+    template <class OutT, class BufferT, class InT>
+    static inline void test(BufferT* buffer, const InT& in_val, const char* const conv) {
+        sprintf(buffer, conv, in_val);
+        OutT out_val(buffer);
+    }
+
+    template <class OutT, class BufferT>
+    static inline void test(BufferT* buffer, const std::string& in_val, const char* const conv) {
+        sprintf(buffer, conv, in_val.c_str());
+        OutT out_val(buffer);
+    }
+};
+
+struct structure_sscanf {
+    template <class OutT, class BufferT, class InT>
+    static inline void test(BufferT* /*buffer*/, const InT& in_val, const char* const conv) {
+        OutT out_val;
+        sscanf(reinterpret_cast<const char*>(in_val), conv, &out_val);
+    }
+
+    template <class OutT, class BufferT>
+    static inline void test(BufferT* /*buffer*/, const std::string& in_val, const char* const conv) {
+        OutT out_val;
+        sscanf(in_val.c_str(), conv, &out_val);
+    }
+
+    template <class OutT, class BufferT>
+    static inline void test(BufferT* /*buffer*/, const boost::iterator_range<const char*>& in_val, const char* const conv) {
+        OutT out_val;
+        sscanf(in_val.begin(), conv, &out_val);
+    }
+};
+
+struct structure_fake {
+    template <class OutT, class BufferT, class InT>
+    static inline void test(BufferT* /*buffer*/, const InT& /*in_val*/, const char* const /*conv*/) {}
+};
+
+static const int fake_test_value = 9999;
+
+template <class T>
+static inline void min_fancy_output(T v1, T v2, T v3, T v4) {
+    const char beg_mark[] = "!!! *";
+    const char end_mark[] = "* !!!";
+    const char no_mark[] = "";
+
+    unsigned int res = 4;
+    if (v1 < v2 && v1 < v3 && v1 < v4) res = 1;
+    if (v2 < v1 && v2 < v3 && v2 < v4) res = 2;
+    if (v3 < v1 && v3 < v2 && v3 < v4) res = 3;
+
+    fout << "[ "
+         << (res == 1 ? beg_mark : no_mark)
+         ;
+
+    if (v1) fout << v1;
+    else fout << "<1";
+
+    fout << (res == 1 ? end_mark : no_mark)
+         << " ][ "
+         << (res == 2 ? beg_mark : no_mark)
+         ;
+
+       if (v2) fout << v2;
+       else fout << "<1";
+
+       fout << (res == 2 ? end_mark : no_mark)
+         << " ][ "
+         << (res == 3 ? beg_mark : no_mark)
+         ;
+
+       if (v3) fout << v3;
+       else fout << "<1";
+
+       fout << (res == 3 ? end_mark : no_mark)
+         << " ][ "
+         << (res == 4 ? beg_mark : no_mark)
+         ;
+
+       if (!v4) fout << "<1";
+       else if (v4 == fake_test_value) fout << "---";
+       else fout << v4;
+
+       fout
+         << (res == 4 ? end_mark : no_mark)
+         << " ]";
+}
+
+template <unsigned int IetartionsCountV, class ToT, class SprintfT, class FromT>
+static inline void perf_test_impl(const FromT& in_val, const char* const conv) {
+
+    typedef boost::chrono::steady_clock test_clock;
+    test_clock::time_point start;
+    typedef boost::chrono::milliseconds duration_t;
+    duration_t lexical_cast_time, ss_constr_time, ss_noconstr_time, printf_time;
+
+    start = test_clock::now();
+    for (unsigned int i = 0; i < IetartionsCountV; ++i) {
+        test_lexical<ToT>(in_val);
+        test_lexical<ToT>(in_val);
+        test_lexical<ToT>(in_val);
+        test_lexical<ToT>(in_val);
+    }
+    lexical_cast_time = boost::chrono::duration_cast<duration_t>(test_clock::now() - start);
+
+
+    start = test_clock::now();
+    for (unsigned int i = 0; i < IetartionsCountV; ++i) {
+        test_ss_constr<ToT>(in_val);
+        test_ss_constr<ToT>(in_val);
+        test_ss_constr<ToT>(in_val);
+        test_ss_constr<ToT>(in_val);
+    }
+    ss_constr_time = boost::chrono::duration_cast<duration_t>(test_clock::now() - start);
+
+    std::stringstream ss;
+    start = test_clock::now();
+    for (unsigned int i = 0; i < IetartionsCountV; ++i) {
+        test_ss_noconstr<ToT>(ss, in_val);
+        test_ss_noconstr<ToT>(ss, in_val);
+        test_ss_noconstr<ToT>(ss, in_val);
+        test_ss_noconstr<ToT>(ss, in_val);
+    }
+    ss_noconstr_time = boost::chrono::duration_cast<duration_t>(test_clock::now() - start);
+
+
+    char buffer[128];
+    start = test_clock::now();
+    for (unsigned int i = 0; i < IetartionsCountV; ++i) {
+        SprintfT::template test<ToT>(buffer, in_val, conv);
+        SprintfT::template test<ToT>(buffer, in_val, conv);
+        SprintfT::template test<ToT>(buffer, in_val, conv);
+        SprintfT::template test<ToT>(buffer, in_val, conv);
+    }
+    printf_time = boost::chrono::duration_cast<duration_t>(test_clock::now() - start);
+
+    min_fancy_output(
+                lexical_cast_time.count(),
+                ss_constr_time.count(),
+                ss_noconstr_time.count(),
+                boost::is_same<SprintfT, structure_fake>::value ? fake_test_value : printf_time.count()
+    );
+}
+
+template <class ToT, class SprintfT, class FromT>
+static inline void perf_test(const std::string& test_name, const FromT& in_val, const char* const conv) {
+    const unsigned int ITERATIONSCOUNT = 100000;
+    fout << "  [[ " << test_name << " ]";
+
+    perf_test_impl<ITERATIONSCOUNT/4, ToT, SprintfT>(in_val, conv);
+
+    fout << "]\n";
+}
+
+
+template <class ConverterT>
+void string_like_test_set(const std::string& from) {
+    typedef structure_sscanf ssc_t;
+    ConverterT conv;
+
+    perf_test<char, ssc_t>(from + "->char",               conv("c"), "%c");
+    perf_test<signed char, ssc_t>(from + "->signed char", conv("c"), "%hhd");
+    perf_test<unsigned char, ssc_t>(from + "->unsigned char", conv("c"), "%hhu");
+
+    perf_test<int, ssc_t>(from + "->int",             conv("100"), "%d");
+    perf_test<short, ssc_t>(from + "->short",         conv("100"), "%hd");
+    perf_test<long int, ssc_t>(from + "->long int",   conv("100"), "%ld");
+    perf_test<boost::long_long_type, ssc_t>(from + "->long long", conv("100"), "%lld");
+
+    perf_test<unsigned int, ssc_t>(from + "->unsigned int",             conv("100"), "%u");
+    perf_test<unsigned short, ssc_t>(from + "->unsigned short",         conv("100"), "%hu");
+    perf_test<unsigned long int, ssc_t>(from + "->unsigned long int",   conv("100"), "%lu");
+    perf_test<boost::ulong_long_type, ssc_t>(from + "->unsigned long long", conv("100"), "%llu");
+
+    // perf_test<bool, ssc_t>(from + "->bool", conv("1"), "%");
+
+    perf_test<float, ssc_t>(from + "->float",             conv("1.123"), "%f");
+    perf_test<double, ssc_t>(from + "->double",           conv("1.123"), "%lf");
+    perf_test<long double, ssc_t>(from + "->long double", conv("1.123"), "%Lf");
+
+
+    perf_test<std::string, structure_fake>(from + "->string", conv("string"), "%Lf");
+    perf_test<boost::container::string, structure_fake>(from + "->container::string"
+                                                        , conv("string"), "%Lf");
+
+}
+
+struct to_string_conv {
+    std::string operator()(const char* const c) const {
+        return c;
+    }
+};
+
+struct to_char_conv {
+    const char*  operator()(const char* const c) const {
+        return c;
+    }
+};
+
+struct to_uchar_conv {
+    const unsigned char*  operator()(const char* const c) const {
+        return reinterpret_cast<const unsigned char*>(c);
+    }
+};
+
+
+struct to_schar_conv {
+    const signed char*  operator()(const char* const c) const {
+        return reinterpret_cast<const signed char*>(c);
+    }
+};
+
+struct to_iterator_range {
+    boost::iterator_range<const char*>  operator()(const char* const c) const {
+        return boost::make_iterator_range(c, c + std::strlen(c));
+    }
+};
+
+int main(int argc, char** argv) {
+    BOOST_ASSERT(argc >= 2);
+    std::string output_path(argv[1]);
+    output_path += "/results.txt";
+    fout.open(output_path.c_str(), std::fstream::in | std::fstream::out | std::fstream::app);
+    BOOST_ASSERT(fout);
+
+    fout << "[section " << BOOST_COMPILER << "]\n"
+        << "[table:id Performance Table ( "<< BOOST_COMPILER << ")\n"
+        << "[[From->To] [lexical_cast] [std::stringstream with construction] "
+        << "[std::stringstream without construction][scanf/printf]]\n";
+
+
+    // From std::string to ...
+    string_like_test_set<to_string_conv>("string");
+
+    // From ... to std::string
+    perf_test<std::string, structure_sprintf>("string->char",                'c', "%c");
+    perf_test<std::string, structure_sprintf>("string->signed char",     static_cast<signed char>('c'), "%hhd");
+    perf_test<std::string, structure_sprintf>("string->unsigned char", static_cast<unsigned char>('c'), "%hhu");
+
+    perf_test<std::string, structure_sprintf>("int->string",                 100, "%d");
+    perf_test<std::string, structure_sprintf>("short->string",               static_cast<short>(100), "%hd");
+    perf_test<std::string, structure_sprintf>("long int->string",            100l, "%ld");
+    perf_test<std::string, structure_sprintf>("long long->string",           100ll, "%lld");
+
+    perf_test<std::string, structure_sprintf>("unsigned int->string",        static_cast<unsigned short>(100u), "%u");
+    perf_test<std::string, structure_sprintf>("unsigned short->string",      100u, "%hu");
+    perf_test<std::string, structure_sprintf>("unsigned long int->string",   100ul, "%lu");
+    perf_test<std::string, structure_sprintf>("unsigned long long->string",  static_cast<boost::ulong_long_type>(100), "%llu");
+
+    // perf_test<bool, structure_sscanf>("bool->string", std::string("1"), "%");
+
+    perf_test<std::string, structure_sprintf>("float->string",       1.123f, "%f");
+    perf_test<std::string, structure_sprintf>("double->string",      1.123, "%lf");
+    perf_test<std::string, structure_sprintf>("long double->string", 1.123L, "%Lf");
+
+
+    string_like_test_set<to_char_conv>("char*");
+    string_like_test_set<to_uchar_conv>("unsigned char*");
+    string_like_test_set<to_schar_conv>("signed char*");
+    string_like_test_set<to_iterator_range>("iterator_range<char*>");
+
+    perf_test<int, structure_fake>("int->int", 100, "");
+    perf_test<double, structure_fake>("float->double", 100.0f, "");
+    perf_test<signed char, structure_fake>("char->signed char", 'c', "");
+
+
+    fout << "]\n"
+        << "[endsect]\n\n";
+    return 0;
+}
+
+
@@ -0,0 +1,308 @@
+// what:  simple unit test framework
+// who:   developed by Kevlin Henney
+// when:  November 2000
+// where: tested with BCC 5.5, MSVC 6.0, and g++ 2.91
+//
+// ChangeLog:
+//      20 Jan 2001 - Fixed a warning for MSVC (Dave Abrahams)
+
+#ifndef TEST_INCLUDED
+#define TEST_INCLUDED
+
+#include <exception>
+#include <iostream>
+#include <strstream> // for out-of-the-box g++
+#include <string>
+
+namespace test // test tuple comprises name and nullary function (object)
+{
+    template<typename string_type, typename function_type>
+    struct test
+    {
+        string_type   name;
+        function_type action;
+
+        static test make(string_type name, function_type action)
+        {
+            test result; // MSVC aggreggate initializer bugs
+            result.name   = name;
+            result.action = action;
+            return result;
+        }
+    };
+}
+
+namespace test // failure exception used to indicate checked test failures
+{
+    class failure : public std::exception
+    {
+    public: // struction (default cases are OK)
+
+        failure(const std::string & why)
+          : reason(why)
+        {
+        }
+
+        // std::~string has no exception-specification (could throw anything),
+        // but we need to be compatible with std::~exception's empty one
+        // see std::15.4p13 and std::15.4p3
+        ~failure() throw()
+        {
+        }
+
+    public: // usage
+
+        virtual const char * what() const throw()
+        {
+            return reason.c_str();
+        }
+
+    private: // representation
+
+        std::string reason;
+
+    };
+}
+
+namespace test // not_implemented exception used to mark unimplemented tests
+{
+    class not_implemented : public std::exception
+    {
+    public: // usage (default ctor and dtor are OK)
+
+        virtual const char * what() const throw()
+        {
+            return "not implemented";
+        }
+
+    };
+}
+
+namespace test // test utilities
+{
+    inline void check(bool condition, const std::string & description)
+    {
+        if(!condition)
+        {
+            throw failure(description);
+        }
+    }
+
+    inline void check_true(bool value, const std::string & description)
+    {
+        check(value, "expected true: " + description);
+    }
+
+    inline void check_false(bool value, const std::string & description)
+    {
+        check(!value, "expected false: " + description);
+    }
+
+    template<typename lhs_type, typename rhs_type>
+    void check_equal(
+        const lhs_type & lhs, const rhs_type & rhs,
+        const std::string & description)
+    {
+        check(lhs == rhs, "expected equal values: " + description);
+    }
+
+    template<typename lhs_type, typename rhs_type>
+    void check_unequal(
+        const lhs_type & lhs, const rhs_type & rhs,
+        const std::string & description)
+    {
+        check(lhs != rhs, "expected unequal values: " + description);
+    }
+
+    inline void check_null(const void* ptr, const std::string & description)
+    {
+        check(!ptr, "expected null pointer: " + description);
+    }
+
+    inline void check_non_null(const void* ptr, const std::string & description)
+    {
+        check(ptr != 0, "expected non-null pointer: " + description);
+    }
+}
+
+#define TEST_CHECK_THROW(expression, exception, description) \
+    try \
+    { \
+        expression; \
+        throw ::test::failure(description); \
+    } \
+    catch(exception &) \
+    { \
+    }
+
+namespace test // memory tracking (enabled if test new and delete linked in)
+{
+    class allocations
+    {
+    public: // singleton access
+
+        static allocations & instance()
+        {
+            static allocations singleton;
+            return singleton;
+        }
+
+    public: // logging
+
+        void clear()
+        {
+            alloc_count = dealloc_count = 0;
+        }
+
+        void allocation()
+        {
+            ++alloc_count;
+        }
+
+        void deallocation()
+        {
+            ++dealloc_count;
+        }
+
+    public: // reporting
+
+        unsigned long allocated() const
+        {
+            return alloc_count;
+        }
+
+        unsigned long deallocated() const
+        {
+            return dealloc_count;
+        }
+
+        bool balanced() const
+        {
+            return alloc_count == dealloc_count;
+        }
+
+    private: // structors (default dtor is fine)
+    
+        allocations()
+          : alloc_count(0), dealloc_count(0)
+        {
+        }
+
+    private: // prevention
+
+        allocations(const allocations &);
+        allocations & operator=(const allocations &);
+
+    private: // state
+
+        unsigned long alloc_count, dealloc_count;
+
+    };
+}
+
+namespace test // tester is the driver class for a sequence of tests
+{
+    template<typename test_iterator>
+    class tester
+    {
+    public: // structors (default destructor is OK)
+
+        tester(test_iterator first_test, test_iterator after_last_test)
+          : begin(first_test), end(after_last_test)
+        {
+        }
+
+    public: // usage
+
+        bool operator()(); // returns true if all tests passed
+
+    private: // representation
+
+        test_iterator begin, end;
+
+    private: // prevention
+
+        tester(const tester &);
+        tester &operator=(const tester &);
+
+    };
+
+    template<typename test_iterator>
+    bool tester<test_iterator>::operator()()
+    {
+        using namespace std;
+
+        unsigned long passed = 0, failed = 0, unimplemented = 0;
+
+        for(test_iterator current = begin; current != end; ++current)
+        {
+            cerr << "[" << current->name << "] " << flush;
+            string result = "passed"; // optimistic
+
+            try
+            {
+                allocations::instance().clear();
+                current->action();
+
+                if(!allocations::instance().balanced())
+                {
+                    unsigned long allocated   = allocations::instance().allocated();
+                    unsigned long deallocated = allocations::instance().deallocated();
+                    ostrstream report;
+                    report << "new/delete ("
+                           << allocated << " allocated, "
+                           << deallocated << " deallocated)"
+                           << ends;
+                    const char * text = report.str();
+                    report.freeze(false);
+                    throw failure(text);
+                }
+
+                ++passed;
+            }
+            catch(const failure & caught)
+            {
+                (result = "failed: ") += caught.what();
+                ++failed;
+            }
+            catch(const not_implemented &)
+            {
+                result = "not implemented";
+                ++unimplemented;
+            }
+            catch(const exception & caught)
+            {
+                (result = "exception: ") += caught.what();
+                ++failed;
+            }
+            catch(...)
+            {
+                result = "failed with unknown exception";
+                ++failed;
+            }
+
+            cerr << result << endl;
+        }
+
+        cerr << passed + failed << " tests: "
+             << passed << " passed, "
+             << failed << " failed";
+
+        if(unimplemented)
+        {
+            cerr << " (" << unimplemented << " not implemented)";
+        }
+
+        cerr << endl;
+
+        return failed == 0;
+    }
+}
+
+#endif
+
+// Copyright Kevlin Henney, 2000. All rights reserved.
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
@@ -1,17 +0,0 @@
-# Copyright  (c) 2016-2026 Antony Polukhin
-# Distributed under the Boost Software License, Version 1.0.
-# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
-
-include(BoostTest OPTIONAL RESULT_VARIABLE HAVE_BOOST_TEST)
-
-if(NOT HAVE_BOOST_TEST)
-  return()
-endif()
-
-set(BOOST_TEST_LINK_LIBRARIES Boost::conversion Boost::core)
-
-boost_test(TYPE run SOURCES cast_test.cpp)
-boost_test(TYPE run SOURCES implicit_cast.cpp)
-boost_test(TYPE compile-fail SOURCES implicit_cast_fail.cpp)
-boost_test(TYPE compile-fail SOURCES implicit_cast_fail2.cpp)
-boost_test(TYPE run SOURCES polymorphic_cast_test.cpp LINK_LIBRARIES Boost::smart_ptr)
@@ -1,31 +1,51 @@
 # Copyright (C) 2001-2003 Douglas Gregor
-# Copyright (C) Antony Polukhin, 2011-2024
+# Copyright (C) 2011-2012 Antony Polukhin
 #
 # Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 #

-require-b2 5.0.1 ;
-import-search /boost/config/checks ;
-import config : requires ;
 import testing ;
 import feature ;

 project
    : requirements
-        <library>/boost/conversion//boost_conversion
-        [ requires cxx11_decltype ]
-        # default to all warnings on:
-        <warnings>all
-        # set warnings as errors for those compilers we know we get warning free:
-        <toolset>gcc:<cxxflags>-Wextra
-        <toolset>gcc:<cxxflags>-Wno-uninitialized
+        <library>/boost/test//boost_unit_test_framework
+        <link>static
+        <toolset>gcc-4.8:<define>BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES
    ;

+# Thanks to Steven Watanabe for helping with <nowchar> feature
+feature.feature nowchar : on :
+ composite optional propagated link-incompatible ;
+feature.compose <nowchar>on : <cxxflags>/Zc:wchar_t- ;
+
 test-suite conversion
  : [ run implicit_cast.cpp ]
    [ compile-fail implicit_cast_fail.cpp ]
-    [ run cast_test.cpp ]
-    [ run polymorphic_cast_test.cpp : : : <library>/boost/smart_ptr//boost_smart_ptr ]
-    [ compile-fail implicit_cast_fail2.cpp ]
+    [ run ../cast_test.cpp ]
+    [ run ../numeric_cast_test.cpp ]
+    [ run ../lexical_cast_test.cpp ]
+    [ run lexical_cast_loopback_test.cpp ]
+    [ run lexical_cast_abstract_test.cpp ]
+    [ run lexical_cast_noncopyable_test.cpp ]
+    [ run lexical_cast_vc8_bug_test.cpp ]
+    [ run lexical_cast_wchars_test.cpp ]
+    [ run lexical_cast_float_types_test.cpp ]
+    [ run lexical_cast_inf_nan_test.cpp ]
+    [ run lexical_cast_containers_test.cpp ]
+    [ run lexical_cast_empty_input_test.cpp ]
+    [ run lexical_cast_pointers_test.cpp ]
+    [ compile lexical_cast_typedefed_wchar_test.cpp : <toolset>msvc:<nowchar>on ]
+    [ run lexical_cast_typedefed_wchar_test_runtime.cpp : : : <toolset>msvc:<nowchar>on <toolset>msvc,<stdlib>stlport:<build>no ]
+    [ run lexical_cast_no_locale_test.cpp : : : <define>BOOST_NO_STD_LOCALE <define>BOOST_LEXICAL_CAST_ASSUME_C_LOCALE ]
+    [ run lexical_cast_no_exceptions_test.cpp : : : <define>BOOST_NO_EXCEPTIONS
+      <toolset>gcc-4.3:<cflags>-fno-exceptions
+      <toolset>gcc-4.4:<cflags>-fno-exceptions
+      <toolset>gcc-4.5:<cflags>-fno-exceptions
+      <toolset>gcc-4.6:<cflags>-fno-exceptions
+      <toolset>gcc-4.7:<cflags>-fno-exceptions
+    ]
+    [ run lexical_cast_iterator_range_test.cpp ]
  ;
+
@@ -1,87 +0,0 @@
-# Use, modification, and distribution are
-# subject to the Boost Software License, Version 1.0. (See accompanying
-# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-#
-# Copyright Antony Polukhin, 2016-2025.
-
-#
-# See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file
-# and how it can be used with Boost libraries.
-#
-# File revision #6
-
-init:
-    # boost-local/libs/ folder to put this library into. This may be useful, if you're for example running Travis
-    # from `Boost.DLL` repo while Boost already has `dll` and with to replace `dll` with content of`Boost.DLL`.
-    #
-    # Otherwise just leave the default value - set BOOST_LIBS_FOLDER=%APPVEYOR_PROJECT_NAME%
-    - set BOOST_LIBS_FOLDER=%APPVEYOR_PROJECT_NAME%
-
-###############################################################################################################
-# From this point and below code is same for all the Boost libs
-###############################################################################################################
-
-version: 1.84.{build}-{branch}
- 
-# branches to build
-branches:
-  except:
-    - gh-pages
-
-skip_tags: true
-
-environment:
-  matrix:
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      TOOLSET: msvc-14.1,clang-win
-      CXXSTD: 14,17
-      ADDRMD: 32,64
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      ADDPATH: C:\cygwin\bin;
-      TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      ADDPATH: C:\cygwin64\bin;
-      TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      ADDPATH: C:\mingw\bin;
-      TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      ADDPATH: C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;
-      TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
-
-before_build:
-    - set BOOST_BRANCH=develop
-    - if "%APPVEYOR_REPO_BRANCH%" == "master" set BOOST_BRANCH=master
-    - echo "Testing %APPVEYOR_PROJECT_NAME%"
-    # Cloning Boost libraries (fast nondeep cloning)
-    - set BOOST=C:/boost-local
-    - git clone -b %BOOST_BRANCH% --depth 10 https://github.com/boostorg/boost.git %BOOST%
-    - cd %BOOST%
-    - git submodule update --init --depth 10 tools/build tools/boostdep
-
-    - rm -rf %BOOST%/libs/%BOOST_LIBS_FOLDER%
-    - mv -f %APPVEYOR_BUILD_FOLDER% %BOOST%/libs/%BOOST_LIBS_FOLDER%
-    - python tools/boostdep/depinst/depinst.py --git_args "--depth 10 --jobs 2" %BOOST_LIBS_FOLDER%
-
-build_script:
-    - cmd /c bootstrap
-    - b2.exe headers
-    - cd %BOOST%/libs/%BOOST_LIBS_FOLDER%/test
-
-after_build:
-before_test:
-test_script:
-  - PATH=%ADDPATH%%PATH%
-  - if not "%CXXSTD%" == "" set CXXSTD=cxxstd=%CXXSTD%
-  - if not "%ADDRMD%" == "" set ADDRMD=address-model=%ADDRMD%
-  - echo "Running command ..\..\..\b2 -j3 toolset=%TOOLSET% %CXXSTD% %ADDRMD% variant=debug,release"
-  - ..\..\..\b2.exe -j3 toolset=%TOOLSET% %CXXSTD% %ADDRMD% variant=debug,release cxxflags="-DBOOST_TRAVISCI_BUILD"
-
-after_test:
-on_success:
-on_failure:
-on_finish:
@@ -4,9 +4,8 @@
 // http://www.boost.org/LICENSE_1_0.txt)

 #include <boost/implicit_cast.hpp>
-#include <boost/core/lightweight_test.hpp>
+#include <boost/detail/lightweight_test.hpp>
 #include <boost/type.hpp>
-
 using boost::implicit_cast;
 using boost::type;

@@ -19,8 +18,8 @@ struct foo
    operator long() const { return 0; }
 };

-using long_type = type<long>;
-using foo_type = type<foo>;
+typedef type<long> long_type;
+typedef type<foo> foo_type;

 int main()
 {
@@ -29,15 +28,11 @@ int main()

    type<foo> f = check_return(boost::implicit_cast<foo>("hello"));
    type<long> z = check_return(boost::implicit_cast<long>(foo("hello")));
-
-    // warning suppression:
+    
+    // warning supression:
    (void)x;
    (void)f;
    (void)z;

-
-    constexpr long value = boost::implicit_cast<long>(42);
-    BOOST_TEST(value == 42L);
-
    return boost::report_errors();
 }
@@ -4,6 +4,10 @@
 // http://www.boost.org/LICENSE_1_0.txt)

 #include <boost/implicit_cast.hpp>
+#include <boost/type.hpp>
+
+#define BOOST_INCLUDE_MAIN
+#include <boost/test/test_tools.hpp>

 using boost::implicit_cast;

@@ -12,9 +16,7 @@ struct foo
    explicit foo(char const*) {}
 };

-int main()
+int test_main(int, char*[])
 {
    foo x = implicit_cast<foo>("foobar");
-    (void)x;            // warning suppression.
-    return 0;
 }
@@ -1,19 +0,0 @@
-//
-// Test that implicit_cast requires a template argument
-//
-// Copyright 2014 Peter Dimov
-//
-// Distributed under the Boost Software License, Version 1.0.
-//
-// See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
-//
-
-#include <boost/implicit_cast.hpp>
-
-int main()
-{
-    int x = boost::implicit_cast( 1 );
-    (void)x;
-
-    return 0;
-}
@@ -0,0 +1,61 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Sergey Shandar 2005, Alexander Nasonov, 2007.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+//
+// Test abstract class. Bug 1358600:
+// http://sf.net/tracker/?func=detail&aid=1358600&group_id=7586&atid=107586
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+
+using namespace boost;
+
+void test_abstract();
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast unit test");
+    suite->add(BOOST_TEST_CASE(&test_abstract));
+
+    return suite;
+}
+
+class A
+{
+public:
+    virtual void out(std::ostream &) const = 0;
+};
+
+class B: public A
+{
+public:
+    virtual void out(std::ostream &O) const { O << "B"; }
+};
+
+std::ostream &operator<<(std::ostream &O, const A &a)
+{
+    a.out(O);
+    return O;
+}
+
+void test_abstract()
+{
+    const A &a = B();
+    BOOST_CHECK(boost::lexical_cast<std::string>(a) == "B");
+}
+
@@ -0,0 +1,83 @@
+//  Testing boost::lexical_cast with boost::container::string.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2011.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/container/string.hpp>
+
+void testing_boost_containers_basic_string();
+void testing_boost_containers_string_std_string();
+void testing_boost_containers_string_widening();
+
+
+using namespace boost;
+
+boost::unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("Testing boost::lexical_cast with boost::container::string");
+    suite->add(BOOST_TEST_CASE(testing_boost_containers_basic_string));
+    suite->add(BOOST_TEST_CASE(testing_boost_containers_string_std_string));
+    suite->add(BOOST_TEST_CASE(testing_boost_containers_string_widening));
+
+    return suite;
+}
+
+void testing_boost_containers_basic_string()
+{
+    BOOST_CHECK("100" == lexical_cast<boost::container::string>("100"));
+    BOOST_CHECK(L"100" == lexical_cast<boost::container::wstring>(L"100"));
+
+    BOOST_CHECK("100" == lexical_cast<boost::container::string>(100));
+    boost::container::string str("1000");
+    BOOST_CHECK(1000 == lexical_cast<int>(str));
+}
+
+#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
+#define BOOST_LCAST_NO_WCHAR_T
+#endif
+
+void testing_boost_containers_string_std_string()
+{
+    std::string std_str("std_str");
+    boost::container::string boost_str("boost_str");
+    BOOST_CHECK(boost::lexical_cast<std::string>(boost_str) == "boost_str");
+    BOOST_CHECK(boost::lexical_cast<boost::container::string>(std_str) == "std_str");
+
+#ifndef BOOST_LCAST_NO_WCHAR_T
+    std::wstring std_wstr(L"std_wstr");
+    boost::container::wstring boost_wstr(L"boost_wstr");
+
+    BOOST_CHECK(boost::lexical_cast<std::wstring>(boost_wstr) == L"boost_wstr");
+    BOOST_CHECK(boost::lexical_cast<boost::container::wstring>(std_wstr) == L"std_wstr");
+
+#endif
+
+}
+
+void testing_boost_containers_string_widening()
+{
+    const char char_array[] = "Test string";
+
+#ifndef BOOST_LCAST_NO_WCHAR_T
+    const wchar_t wchar_array[] = L"Test string";
+    BOOST_CHECK(boost::lexical_cast<boost::container::wstring>(char_array) == wchar_array);
+#endif
+
+#if !defined(BOOST_NO_CHAR16_T) && !defined(BOOST_NO_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
+    const char16_t char16_array[] = u"Test string";
+    BOOST_CHECK(boost::lexical_cast<boost::container::basic_string<char16_t> >(char_array) == char16_array);
+#endif
+
+#if !defined(BOOST_NO_CHAR32_T) && !defined(BOOST_NO_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
+    const char32_t char32_array[] = U"Test string";
+    BOOST_CHECK(boost::lexical_cast<boost::container::basic_string<char32_t> >(char_array) == char32_array);
+#endif
+}
@@ -0,0 +1,165 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2011.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/range/iterator_range.hpp>
+
+using namespace boost;
+
+#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
+#define BOOST_LCAST_NO_WCHAR_T
+#endif
+
+template <class T>
+void do_test_on_empty_input(T& v)
+{
+    BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
+#if defined(BOOST_HAS_LONG_LONG)
+    BOOST_CHECK_THROW(lexical_cast<boost::ulong_long_type>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<boost::long_long_type>(v), bad_lexical_cast);
+#elif defined(BOOST_HAS_MS_INT64)
+    BOOST_CHECK_THROW(lexical_cast<unsigned __int64>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<__int64>(v), bad_lexical_cast);
+#endif
+}
+
+void test_empty_iterator_range()
+{
+
+    boost::iterator_range<char*> v;
+    do_test_on_empty_input(v);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
+    BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
+
+    boost::iterator_range<const char*> cv;
+    do_test_on_empty_input(cv);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(cv), std::string());
+    BOOST_CHECK_THROW(lexical_cast<char>(cv), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(cv), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(cv), bad_lexical_cast);
+
+    const boost::iterator_range<const char*> ccv;
+    do_test_on_empty_input(ccv);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(ccv), std::string());
+    BOOST_CHECK_THROW(lexical_cast<char>(ccv), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(ccv), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(ccv), bad_lexical_cast);
+}
+
+void test_empty_string()
+{
+    std::string v;
+    do_test_on_empty_input(v);
+    BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
+
+#ifndef BOOST_LCAST_NO_WCHAR_T
+    std::wstring vw;
+    do_test_on_empty_input(vw);
+    BOOST_CHECK_THROW(lexical_cast<wchar_t>(vw), bad_lexical_cast);
+#endif
+
+// Currently, no compiler and STL library fully support char16_t and char32_t
+//#ifndef BOOST_NO_CHAR16_T
+//    std::basic_string<char16_t> v16w;
+//    do_test_on_empty_input(v16w);
+//    BOOST_CHECK_THROW(lexical_cast<char16_t>(v16w), bad_lexical_cast);
+//#endif
+//#ifndef BOOST_NO_CHAR32_T
+//    std::basic_string<char32_t> v32w;
+//    do_test_on_empty_input(v32w);
+//    BOOST_CHECK_THROW(lexical_cast<char32_t>(v32w), bad_lexical_cast);
+//#endif
+}
+
+struct Escape
+{
+    Escape(const std::string& s)
+        : str_(s)
+    {}
+
+    std::string str_;
+};
+
+inline std::ostream& operator<< (std::ostream& o, const Escape& rhs)
+{
+    return o << rhs.str_;
+}
+
+void test_empty_user_class()
+{
+    Escape v("");
+    do_test_on_empty_input(v);
+    BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
+}
+
+namespace std {
+inline std::ostream & operator<<(std::ostream & out, const std::vector<long> & v)
+{
+    std::ostream_iterator<long> it(out);
+    std::copy(v.begin(), v.end(), it);
+    assert(out);
+    return out;
+}
+}
+
+void test_empty_vector()
+{
+    std::vector<long> v;
+    do_test_on_empty_input(v);
+    BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
+}
+
+
+struct my_string {
+    friend std::ostream &operator<<(std::ostream& sout, my_string const&/* st*/) {
+            return sout << "";
+    }
+};
+
+void test_empty_zero_terminated_string()
+{
+    my_string st;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(st), std::string());;
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast. Empty input unit test");
+    suite->add(BOOST_TEST_CASE(&test_empty_iterator_range));
+    suite->add(BOOST_TEST_CASE(&test_empty_string));
+    suite->add(BOOST_TEST_CASE(&test_empty_user_class));
+    suite->add(BOOST_TEST_CASE(&test_empty_vector));
+    suite->add(BOOST_TEST_CASE(&test_empty_zero_terminated_string));
+
+    return suite;
+}
@@ -0,0 +1,515 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2011.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+
+#include <boost/cstdint.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/test/floating_point_comparison.hpp>
+
+void test_conversion_from_to_float();
+void test_conversion_from_to_double();
+void test_conversion_from_to_long_double();
+
+using namespace boost;
+
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast float types unit test");
+    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_float));
+    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_double));
+    suite->add(BOOST_TEST_CASE(&test_conversion_from_to_long_double));
+
+    return suite;
+}
+
+
+// Replace "-,999" with "-999".
+template<class CharT>
+std::basic_string<CharT> to_str_gcc_workaround(std::basic_string<CharT> str)
+{
+    std::locale loc;
+    std::numpunct<CharT> const& np = BOOST_USE_FACET(std::numpunct<CharT>, loc);
+    std::ctype<CharT> const& ct = BOOST_USE_FACET(std::ctype<CharT>, loc);
+
+    if(np.grouping().empty())
+        return str;
+
+    CharT prefix[3] = { ct.widen('-'), np.thousands_sep(), CharT() };
+
+    if(str.find(prefix) != 0)
+        return str;
+
+    prefix[1] = CharT();
+    str.replace(0, 2, prefix);
+    return str;
+}
+
+template<class CharT, class T>
+std::basic_string<CharT> to_str(T t)
+{
+    std::basic_ostringstream<CharT> o;
+    o << t;
+    return to_str_gcc_workaround(o.str());
+}
+
+
+template<class T>
+void test_conversion_from_to_float_for_locale()
+{
+    std::locale current_locale;
+    typedef std::numpunct<char> numpunct;
+    numpunct const& np = BOOST_USE_FACET(numpunct, current_locale);
+    if ( !np.grouping().empty() )
+    {
+        BOOST_CHECK_THROW(
+                lexical_cast<T>( std::string("100") + np.thousands_sep() + np.thousands_sep() + "0" )
+                , bad_lexical_cast);
+        BOOST_CHECK_THROW(lexical_cast<T>( std::string("100") + np.thousands_sep() ), bad_lexical_cast);
+        BOOST_CHECK_THROW(lexical_cast<T>( np.thousands_sep() + std::string("100") ), bad_lexical_cast);
+        BOOST_CHECK_THROW(lexical_cast<T>( std::string("1") + np.thousands_sep() + np.decimal_point() + "e10" ), bad_lexical_cast);
+        BOOST_CHECK_THROW(lexical_cast<T>( std::string("1e10") + np.thousands_sep() ), bad_lexical_cast);
+        BOOST_CHECK_THROW(lexical_cast<T>( std::string("1") + np.thousands_sep() + "e10" ), bad_lexical_cast);
+
+        BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( to_str< char >(100000) ), 100000, (std::numeric_limits<T>::epsilon()) );
+        BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( to_str< char >(10000000u) ), 10000000u, (std::numeric_limits<T>::epsilon()) );
+        BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( to_str< char >(100) ), 100, (std::numeric_limits<T>::epsilon()) );
+#if !defined(BOOST_LCAST_NO_WCHAR_T) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
+        BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( to_str< wchar_t >(100000) ), 100000, (std::numeric_limits<T>::epsilon()) );
+        BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( to_str< wchar_t >(10000000u) ), 10000000u, (std::numeric_limits<T>::epsilon()) );
+        BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( to_str< wchar_t >(100) ), 100, (std::numeric_limits<T>::epsilon()) );
+#endif
+        // Exception must not be thrown, when we are using no separators at all
+        BOOST_CHECK_CLOSE_FRACTION( lexical_cast<T>("30000"), static_cast<T>(30000), (std::numeric_limits<T>::epsilon()) );
+    }
+}
+
+
+
+
+/*
+ * Converts char* [and wchar_t] to float number type and checks, that generated
+ * number is in interval [base_value-epsilon, base_value+epsilon].
+ */
+#ifndef BOOST_LCAST_NO_WCHAR_T
+#define CHECK_CLOSE_ABS_DIFF(VAL,PREFIX)                                                          \
+    converted_val = lexical_cast<test_t>(#VAL);                                                   \
+    BOOST_CHECK_CLOSE_FRACTION( (VAL ## L? VAL ## L : std::numeric_limits<test_t>::epsilon()),             \
+                       (converted_val ? converted_val : std::numeric_limits<test_t>::epsilon()),  \
+                       std::numeric_limits<test_t>::epsilon()                                     \
+                     );                                                                           \
+    BOOST_CHECK_EQUAL(converted_val, lexical_cast<test_t>(L## #VAL) );
+
+#else
+#define CHECK_CLOSE_ABS_DIFF(VAL,TYPE)                                                            \
+    converted_val = lexical_cast<test_t>(#VAL);                                                   \
+    BOOST_CHECK_CLOSE_FRACTION( (VAL ## L? VAL ## L : std::numeric_limits<test_t>::epsilon()),             \
+                       (converted_val ? converted_val : std::numeric_limits<test_t>::epsilon()),  \
+                       std::numeric_limits<test_t>::epsilon()                                     \
+                     );
+#endif
+
+template <class TestType>
+void test_converion_to_float_types()
+{
+    typedef TestType test_t;
+    test_t converted_val;
+
+    BOOST_CHECK_CLOSE_FRACTION(1.0, lexical_cast<test_t>('1'), (std::numeric_limits<test_t>::epsilon()));
+    BOOST_CHECK_EQUAL(0.0, lexical_cast<test_t>('0'));
+
+    unsigned char const uc_one = '1';
+    unsigned char const uc_zero ='0';
+    BOOST_CHECK_CLOSE_FRACTION(1.0, lexical_cast<test_t>(uc_one), (std::numeric_limits<test_t>::epsilon()));
+    BOOST_CHECK_EQUAL(0.0, lexical_cast<test_t>(uc_zero));
+
+    signed char const sc_one = '1';
+    signed char const sc_zero ='0';
+    BOOST_CHECK_CLOSE_FRACTION(1.0, lexical_cast<test_t>(sc_one), (std::numeric_limits<test_t>::epsilon()));
+    BOOST_CHECK_EQUAL(0.0, lexical_cast<test_t>(sc_zero));
+
+    BOOST_CHECK_CLOSE_FRACTION(1e34L, lexical_cast<test_t>( "10000000000000000000000000000000000"), (std::numeric_limits<test_t>::epsilon()) );
+
+//    VC failes the next test
+//    BOOST_CHECK_CLOSE_FRACTION(1e-35L, lexical_cast<test_t>("0.00000000000000000000000000000000001"), (std::numeric_limits<test_t>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(
+                                    0.1111111111111111111111111111111111111111111111111111111111111111111111111L
+            , lexical_cast<test_t>("0.1111111111111111111111111111111111111111111111111111111111111111111111111")
+            , (std::numeric_limits<test_t>::epsilon()) );
+
+    CHECK_CLOSE_ABS_DIFF(1,test_t);
+    BOOST_CHECK_EQUAL(0,lexical_cast<test_t>("0"));
+    CHECK_CLOSE_ABS_DIFF(-1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1.0, test_t);
+    CHECK_CLOSE_ABS_DIFF(0.0, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1.0,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1e1, test_t);
+    CHECK_CLOSE_ABS_DIFF(0e1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1e1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1.0e1, test_t);
+    CHECK_CLOSE_ABS_DIFF(0.0e1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1.0e1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1e-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(0e-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1e-1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1.0e-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(0.0e-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1.0e-1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1E1, test_t);
+    CHECK_CLOSE_ABS_DIFF(0E1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1E1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1.0E1, test_t);
+    CHECK_CLOSE_ABS_DIFF(0.0E1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1.0E1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(0E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1E-1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(1.0E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(0.0E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-1.0E-1, test_t);
+
+    CHECK_CLOSE_ABS_DIFF(.0E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(.0E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-.0E-1, test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10.0, test_t);
+    CHECK_CLOSE_ABS_DIFF(00.0, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10.0,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10e1, test_t);
+    CHECK_CLOSE_ABS_DIFF(00e1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10e1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10.0e1, test_t);
+    CHECK_CLOSE_ABS_DIFF(00.0e1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10.0e1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10e-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(00e-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10e-1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10.0e-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(00.0e-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10.0e-1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10E1, test_t);
+    CHECK_CLOSE_ABS_DIFF(00E1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10E1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10.0E1, test_t);
+    CHECK_CLOSE_ABS_DIFF(00.0E1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10.0E1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(00E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10E-1,test_t);
+
+    CHECK_CLOSE_ABS_DIFF(10.0E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(00.0E-1, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10.0E-1, test_t);
+
+    CHECK_CLOSE_ABS_DIFF(-10101.0E-011, test_t);
+    CHECK_CLOSE_ABS_DIFF(-10101093, test_t);
+    CHECK_CLOSE_ABS_DIFF(10101093, test_t);
+
+    CHECK_CLOSE_ABS_DIFF(-.34, test_t);
+    CHECK_CLOSE_ABS_DIFF(.34, test_t);
+    CHECK_CLOSE_ABS_DIFF(.34e10, test_t);
+
+    BOOST_CHECK_THROW(lexical_cast<test_t>("-1.e"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("-1.E"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.e"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.E"), bad_lexical_cast);
+
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.0e"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.0E"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("10E"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("10e"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.0e-"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.0E-"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("10E-"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("10e-"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("e1"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("e-1"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("e-"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>(".e"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>(".11111111111111111111111111111111111111111111111111111111111111111111ee"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>(".11111111111111111111111111111111111111111111111111111111111111111111e-"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("."), bad_lexical_cast);
+
+    BOOST_CHECK_THROW(lexical_cast<test_t>("-B"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("0xB"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("0x0"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("--1.0"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.0e--1"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.0.0"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1e1e1"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.0e-1e-1"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>(" 1.0"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1.0 "), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>(""), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("-"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>('\0'), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>('-'), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>('.'), bad_lexical_cast);
+}
+
+template <class T>
+void test_float_typess_for_overflows()
+{
+    typedef T test_t;
+    test_t minvalue = (std::numeric_limits<test_t>::min)();
+    std::string s_min_value = lexical_cast<std::string>(minvalue);
+    BOOST_CHECK_CLOSE_FRACTION(minvalue, lexical_cast<test_t>(minvalue), (std::numeric_limits<test_t>::epsilon()));
+    BOOST_CHECK_CLOSE_FRACTION(minvalue, lexical_cast<test_t>(s_min_value), (std::numeric_limits<test_t>::epsilon()));
+
+    test_t maxvalue = (std::numeric_limits<test_t>::max)();
+    std::string s_max_value = lexical_cast<std::string>(maxvalue);
+    BOOST_CHECK_CLOSE_FRACTION(maxvalue, lexical_cast<test_t>(maxvalue), (std::numeric_limits<test_t>::epsilon()));
+    BOOST_CHECK_CLOSE_FRACTION(maxvalue, lexical_cast<test_t>(s_max_value), (std::numeric_limits<test_t>::epsilon()));
+
+    BOOST_CHECK_THROW(lexical_cast<test_t>(s_max_value+"1"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>(s_max_value+"9"), bad_lexical_cast);
+
+    // VC9 can fail the fllowing tests on floats and doubles when using stingstream...
+    BOOST_CHECK_THROW(lexical_cast<test_t>("1"+s_max_value), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<test_t>("9"+s_max_value), bad_lexical_cast);
+
+    if ( is_same<test_t,float>::value )
+    {
+        BOOST_CHECK_THROW(lexical_cast<test_t>( (std::numeric_limits<double>::max)() ), bad_lexical_cast);
+        BOOST_CHECK(
+                (std::numeric_limits<double>::min)() - std::numeric_limits<test_t>::epsilon()
+                <= lexical_cast<test_t>( (std::numeric_limits<double>::min)() )
+                && lexical_cast<test_t>( (std::numeric_limits<double>::min)() )
+                <= (std::numeric_limits<double>::min)() + std::numeric_limits<test_t>::epsilon()
+        );
+    }
+
+    if ( sizeof(test_t) < sizeof(long double) )
+    {
+        BOOST_CHECK_THROW(lexical_cast<test_t>( (std::numeric_limits<long double>::max)() ), bad_lexical_cast);
+        BOOST_CHECK(
+                (std::numeric_limits<long double>::min)() - std::numeric_limits<test_t>::epsilon()
+                <= lexical_cast<test_t>( (std::numeric_limits<long double>::min)() )
+                && lexical_cast<test_t>( (std::numeric_limits<long double>::min)() )
+                <= (std::numeric_limits<long double>::min)() + std::numeric_limits<test_t>::epsilon()
+        );
+    }
+}
+
+#undef CHECK_CLOSE_ABS_DIFF
+
+#define TEST_TO_FROM_CAST_AROUND_TYPED(VAL,STRING_TYPE)                             \
+    test_value = VAL + std::numeric_limits<test_t>::epsilon() * i ;                 \
+    converted_val = lexical_cast<test_t>( lexical_cast<STRING_TYPE>(test_value) );  \
+    BOOST_CHECK_CLOSE_FRACTION(                                                              \
+            test_value,                                                             \
+            converted_val,                                                          \
+            std::numeric_limits<test_t>::epsilon()                                  \
+        );
+
+/*
+ * For interval [ from_mult*epsilon+VAL, to_mult*epsilon+VAL ], converts float type
+ * numbers to string[wstring] and then back to float type, then compares initial
+ * values and generated.
+ * Step is epsilon
+ */
+#ifndef BOOST_LCAST_NO_WCHAR_T
+#   define TEST_TO_FROM_CAST_AROUND(VAL)                    \
+    for(i=from_mult; i<=to_mult; ++i) {                     \
+        TEST_TO_FROM_CAST_AROUND_TYPED(VAL, std::string)    \
+        TEST_TO_FROM_CAST_AROUND_TYPED(VAL, std::wstring)   \
+    }
+#else
+#   define TEST_TO_FROM_CAST_AROUND(VAL)                    \
+    for(i=from_mult; i<=to_mult; ++i) {                     \
+        TEST_TO_FROM_CAST_AROUND_TYPED(VAL, std::string)    \
+    }
+#endif
+
+template <class TestType>
+void test_converion_from_to_float_types()
+{
+    typedef TestType test_t;
+    test_t test_value;
+    test_t converted_val;
+
+    int i;
+    int from_mult = -50;
+    int to_mult = 50;
+
+    TEST_TO_FROM_CAST_AROUND( 0.0 );
+
+    long double val1;
+    for(val1 = 1.0e-10L; val1 < 1e11; val1*=10 )
+        TEST_TO_FROM_CAST_AROUND( val1 );
+
+    long double val2;
+    for(val2 = -1.0e-10L; val2 > -1e11; val2*=10 )
+        TEST_TO_FROM_CAST_AROUND( val2 );
+
+    from_mult = -100;
+    to_mult = 0;
+    TEST_TO_FROM_CAST_AROUND( (std::numeric_limits<test_t>::max)() );
+
+    from_mult = 0;
+    to_mult = 100;
+    TEST_TO_FROM_CAST_AROUND( (std::numeric_limits<test_t>::min)() );
+}
+
+#undef TEST_TO_FROM_CAST_AROUND
+#undef TEST_TO_FROM_CAST_AROUND_TYPED
+
+
+template<class T, class CharT>
+void test_conversion_from_float_to_char(CharT zero)
+{
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(0)) == zero + 0);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(1)) == zero + 1);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(2)) == zero + 2);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(3)) == zero + 3);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(4)) == zero + 4);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(5)) == zero + 5);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(6)) == zero + 6);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(7)) == zero + 7);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(8)) == zero + 8);
+    BOOST_CHECK(lexical_cast<CharT>(static_cast<T>(9)) == zero + 9);
+
+    BOOST_CHECK_THROW(lexical_cast<CharT>(static_cast<T>(10)), bad_lexical_cast);
+
+    T t = (std::numeric_limits<T>::max)();
+    BOOST_CHECK_THROW(lexical_cast<CharT>(t), bad_lexical_cast);
+}
+
+template<class T, class CharT>
+void test_conversion_from_char_to_float(CharT zero)
+{
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 0)), static_cast<T>(0), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 1)), static_cast<T>(1), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 2)), static_cast<T>(2), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 3)), static_cast<T>(3), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 4)), static_cast<T>(4), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 5)), static_cast<T>(5), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 6)), static_cast<T>(6), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 7)), static_cast<T>(7), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 8)), static_cast<T>(8), (std::numeric_limits<T>::epsilon()) );
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>( static_cast<CharT>(zero + 9)), static_cast<T>(9), (std::numeric_limits<T>::epsilon()) );
+
+    BOOST_CHECK_THROW(lexical_cast<T>( static_cast<CharT>(zero + 10)), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<T>( static_cast<CharT>(zero - 1)), bad_lexical_cast);
+}
+
+struct restore_oldloc
+{
+    std::locale oldloc;
+    ~restore_oldloc() { std::locale::global(oldloc); }
+};
+
+template<class T>
+void test_conversion_from_to_float()
+{    char const zero = '0';
+    signed char const szero = '0';
+    unsigned char const uzero = '0';
+    test_conversion_from_float_to_char<T>(zero);
+    test_conversion_from_char_to_float<T>(zero);
+    test_conversion_from_float_to_char<T>(szero);
+    test_conversion_from_char_to_float<T>(szero);
+    test_conversion_from_float_to_char<T>(uzero);
+    test_conversion_from_char_to_float<T>(uzero);
+    #if !defined(BOOST_LCAST_NO_WCHAR_T) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
+    wchar_t const wzero = L'0';
+    test_conversion_from_float_to_char<T>(wzero);
+    test_conversion_from_char_to_float<T>(wzero);
+    #endif
+
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>("+1"), 1, std::numeric_limits<T>::epsilon());
+    BOOST_CHECK_CLOSE_FRACTION(lexical_cast<T>("+9"), 9, std::numeric_limits<T>::epsilon());
+
+    BOOST_CHECK_THROW(lexical_cast<T>("++1"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<T>("-+9"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<T>("--1"), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<T>("+-9"), bad_lexical_cast);
+
+    test_converion_to_float_types<T>();
+    test_float_typess_for_overflows<T>();
+    test_converion_from_to_float_types<T>();
+
+
+    typedef std::numpunct<char> numpunct;
+
+    restore_oldloc guard;
+    std::locale const& oldloc = guard.oldloc;
+
+    std::string grouping1 = BOOST_USE_FACET(numpunct, oldloc).grouping();
+    std::string grouping2(grouping1);
+
+    test_conversion_from_to_float_for_locale<T>();
+
+    try
+    {
+        std::locale newloc("");
+        std::locale::global(newloc);
+
+        grouping2 = BOOST_USE_FACET(numpunct, newloc).grouping();
+    }
+    catch(std::exception const& ex)
+    {
+        std::string msg("Failed to set system locale: ");
+        msg += ex.what();
+        BOOST_TEST_MESSAGE(msg);
+    }
+
+    if(grouping1 != grouping2)
+        test_conversion_from_to_float_for_locale<T>();
+
+    if(grouping1.empty() && grouping2.empty())
+        BOOST_TEST_MESSAGE("Formatting with thousands_sep has not been tested");
+}
+
+
+void test_conversion_from_to_float()
+{
+    test_conversion_from_to_float<float>();
+}
+void test_conversion_from_to_double()
+{
+    test_conversion_from_to_float<double>();
+}
+void test_conversion_from_to_long_double()
+{
+    test_conversion_from_to_float<long double>();
+}
+
+
+
+
+
+
+
@@ -0,0 +1,201 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2011.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+
+
+#include <boost/math/special_functions/sign.hpp>
+#include <boost/math/special_functions/fpclassify.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/test/floating_point_comparison.hpp>
+
+#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
+#define BOOST_LCAST_NO_WCHAR_T
+#endif
+
+using namespace boost;
+
+template <class T>
+bool is_pos_inf(T value)
+{
+    return (boost::math::isinf)(value) && !(boost::math::signbit)(value);
+}
+
+template <class T>
+bool is_neg_inf(T value)
+{
+    return (boost::math::isinf)(value) && (boost::math::signbit)(value);
+}
+
+template <class T>
+bool is_pos_nan(T value)
+{
+    return (boost::math::isnan)(value) && !(boost::math::signbit)(value);
+}
+
+template <class T>
+bool is_neg_nan(T value)
+{
+    /* There is some strange behaviour on Itanium platform with -nan nuber for long double.
+    * It is a IA64 feature, or it is a boost::math feature, not a lexical_cast bug */
+#if defined(__ia64__) || defined(_M_IA64)
+    return (boost::math::isnan)(value)
+            && ( boost::is_same<T, long double >::value || (boost::math::signbit)(value) );
+#else
+    return (boost::math::isnan)(value) && (boost::math::signbit)(value);
+#endif
+}
+
+template <class T>
+void test_inf_nan_templated()
+{
+    typedef T test_t;
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("inf") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("INF") ) );
+
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>("-inf") ) );
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>("-INF") ) );
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("+inf") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("+INF") ) );
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("infinity") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("INFINITY") ) );
+
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>("-infinity") ) );
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>("-INFINITY") ) );
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("+infinity") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("+INFINITY") ) );
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("iNfiNity") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>("INfinity") ) );
+
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>("-inFINITY") ) );
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>("-INFINITY") ) );
+
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("nan") ) );
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("NAN") ) );
+
+    BOOST_CHECK( is_neg_nan( lexical_cast<test_t>("-nan") ) );
+    BOOST_CHECK( is_neg_nan( lexical_cast<test_t>("-NAN") ) );
+
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("+nan") ) );
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("+NAN") ) );
+
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("nAn") ) );
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("NaN") ) );
+
+    BOOST_CHECK( is_neg_nan( lexical_cast<test_t>("-nAn") ) );
+    BOOST_CHECK( is_neg_nan( lexical_cast<test_t>("-NaN") ) );
+
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("+Nan") ) );
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("+nAN") ) );
+
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("nan()") ) );
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>("NAN(some string)") ) );
+    BOOST_CHECK_THROW( lexical_cast<test_t>("NAN(some string"), bad_lexical_cast );
+
+    BOOST_CHECK(lexical_cast<std::string>( (boost::math::changesign)(std::numeric_limits<test_t >::infinity()))
+                == "-inf" );
+    BOOST_CHECK(lexical_cast<std::string>( std::numeric_limits<test_t >::infinity()) == "inf" );
+    BOOST_CHECK(lexical_cast<std::string>( std::numeric_limits<test_t >::quiet_NaN()) == "nan" );
+#if !defined(__ia64__) && !defined(_M_IA64)
+    BOOST_CHECK(lexical_cast<std::string>(
+                (boost::math::changesign)(std::numeric_limits<test_t >::quiet_NaN()))
+                == "-nan" );
+#endif
+
+#ifndef  BOOST_LCAST_NO_WCHAR_T
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"inf") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"INF") ) );
+
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>(L"-inf") ) );
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>(L"-INF") ) );
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"+inf") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"+INF") ) );
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"infinity") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"INFINITY") ) );
+
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>(L"-infinity") ) );
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>(L"-INFINITY") ) );
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"+infinity") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"+INFINITY") ) );
+
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>(L"-infINIty") ) );
+    BOOST_CHECK( is_neg_inf( lexical_cast<test_t>(L"-INFiniTY") ) );
+
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"+inFINIty") ) );
+    BOOST_CHECK( is_pos_inf( lexical_cast<test_t>(L"+INfinITY") ) );
+
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>(L"nan") ) );
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>(L"NAN") ) );
+
+    BOOST_CHECK( is_neg_nan( lexical_cast<test_t>(L"-nan") ) );
+    BOOST_CHECK( is_neg_nan( lexical_cast<test_t>(L"-NAN") ) );
+
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>(L"+nan") ) );
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>(L"+NAN") ) );
+
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>(L"nan()") ) );
+    BOOST_CHECK( is_pos_nan( lexical_cast<test_t>(L"NAN(some string)") ) );
+    BOOST_CHECK_THROW( lexical_cast<test_t>(L"NAN(some string"), bad_lexical_cast );
+
+    BOOST_CHECK(lexical_cast<std::wstring>( (boost::math::changesign)(std::numeric_limits<test_t >::infinity()))
+                == L"-inf" );
+    BOOST_CHECK(lexical_cast<std::wstring>( std::numeric_limits<test_t >::infinity()) == L"inf" );
+    BOOST_CHECK(lexical_cast<std::wstring>( std::numeric_limits<test_t >::quiet_NaN()) == L"nan" );
+#if !defined(__ia64__) && !defined(_M_IA64)
+    BOOST_CHECK(lexical_cast<std::wstring>(
+                (boost::math::changesign)(std::numeric_limits<test_t >::quiet_NaN()))
+                == L"-nan" );
+#endif
+
+#endif
+}
+
+void test_inf_nan_float()
+{
+    test_inf_nan_templated<float >();
+}
+
+void test_inf_nan_double()
+{
+    test_inf_nan_templated<double >();
+}
+
+void test_inf_nan_long_double()
+{
+    test_inf_nan_templated<long double >();
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast inf anf nan parsing unit test");
+    suite->add(BOOST_TEST_CASE(&test_inf_nan_float));
+    suite->add(BOOST_TEST_CASE(&test_inf_nan_double));
+    suite->add(BOOST_TEST_CASE(&test_inf_nan_long_double));
+
+    return suite;
+}
@@ -0,0 +1,217 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2012.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+
+#include <boost/test/unit_test.hpp>
+#include <boost/range/iterator_range.hpp>
+
+using namespace boost;
+
+#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
+#define BOOST_LCAST_NO_WCHAR_T
+#endif
+
+struct class_with_user_defined_sream_operators {
+    int i;
+
+    operator int() const {
+        return i;
+    }
+};
+
+template <class CharT>
+inline std::basic_istream<CharT>& operator >> (std::basic_istream<CharT>& istr, class_with_user_defined_sream_operators& rhs)
+{
+    return istr >> rhs.i;
+}
+
+
+template <class RngT>
+void do_test_iterator_range_impl(const RngT& rng)
+{
+    BOOST_CHECK_EQUAL(lexical_cast<int>(rng), 1);
+    BOOST_CHECK_EQUAL(lexical_cast<unsigned int>(rng), 1u);
+    BOOST_CHECK_EQUAL(lexical_cast<short>(rng), 1);
+    BOOST_CHECK_EQUAL(lexical_cast<unsigned short>(rng), 1u);
+    BOOST_CHECK_EQUAL(lexical_cast<long int>(rng), 1);
+    BOOST_CHECK_EQUAL(lexical_cast<unsigned long int>(rng), 1u);
+
+#ifdef BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES
+    BOOST_CHECK_EQUAL(lexical_cast<float>(rng), 1.0f);
+    BOOST_CHECK_EQUAL(lexical_cast<double>(rng), 1.0);
+    BOOST_CHECK_EQUAL(lexical_cast<long double>(rng), 1.0L);
+    BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(rng), 1);
+#endif
+#if defined(BOOST_HAS_LONG_LONG)
+    BOOST_CHECK_EQUAL(lexical_cast<boost::ulong_long_type>(rng), 1u);
+    BOOST_CHECK_EQUAL(lexical_cast<boost::long_long_type>(rng), 1);
+#elif defined(BOOST_HAS_MS_INT64)
+    BOOST_CHECK_EQUAL(lexical_cast<unsigned __int64>(rng), 1u);
+    BOOST_CHECK_EQUAL(lexical_cast<__int64>(rng), 1);
+#endif
+}
+
+template <class CharT>
+void test_it_range_using_any_chars(CharT* one, CharT* eleven)
+{
+    typedef CharT test_char_type;
+
+    // Zero terminated
+    iterator_range<test_char_type*> rng1(one, one + 1);
+    do_test_iterator_range_impl(rng1);
+
+    iterator_range<const test_char_type*> crng1(one, one + 1);
+    do_test_iterator_range_impl(crng1);
+
+    // Non zero terminated
+    iterator_range<test_char_type*> rng2(eleven, eleven + 1);
+    do_test_iterator_range_impl(rng2);
+
+    iterator_range<const test_char_type*> crng2(eleven, eleven + 1);
+    do_test_iterator_range_impl(crng2);
+}
+
+template <class CharT>
+void test_it_range_using_char(CharT* one, CharT* eleven)
+{
+    typedef CharT test_char_type;
+
+    iterator_range<test_char_type*> rng1(one, one + 1);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(rng1), "1");
+
+    iterator_range<const test_char_type*> crng1(one, one + 1);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(crng1), "1");
+
+    iterator_range<test_char_type*> rng2(eleven, eleven + 1);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(rng2), "1");
+
+    iterator_range<const test_char_type*> crng2(eleven, eleven + 1);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(crng2), "1");
+
+    BOOST_CHECK_EQUAL(lexical_cast<float>(rng1), 1.0f);
+    BOOST_CHECK_EQUAL(lexical_cast<double>(rng1), 1.0);
+    BOOST_CHECK_EQUAL(lexical_cast<long double>(rng1), 1.0L);
+    BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(rng1), 1);
+
+    BOOST_CHECK_EQUAL(lexical_cast<float>(crng2), 1.0f);
+    BOOST_CHECK_EQUAL(lexical_cast<double>(crng2), 1.0);
+    BOOST_CHECK_EQUAL(lexical_cast<long double>(crng2), 1.0L);
+    BOOST_CHECK_EQUAL(lexical_cast<class_with_user_defined_sream_operators>(crng2), 1);
+
+#ifndef BOOST_LCAST_NO_WCHAR_T
+    BOOST_CHECK(lexical_cast<std::wstring>(rng1) == L"1");
+    BOOST_CHECK(lexical_cast<std::wstring>(crng1) == L"1");
+    BOOST_CHECK(lexical_cast<std::wstring>(rng2) == L"1");
+    BOOST_CHECK(lexical_cast<std::wstring>(crng2) == L"1");
+#endif
+
+#if !defined(BOOST_NO_CHAR16_T) && !defined(BOOST_NO_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
+    typedef std::basic_string<char16_t> my_char16_string;
+    BOOST_CHECK(lexical_cast<my_char16_string>(rng1) == u"1");
+    BOOST_CHECK(lexical_cast<my_char16_string>(crng1) == u"1");
+    BOOST_CHECK(lexical_cast<my_char16_string>(rng2) == u"1");
+    BOOST_CHECK(lexical_cast<my_char16_string>(crng2) == u"1");
+#endif
+
+#if !defined(BOOST_NO_CHAR32_T) && !defined(BOOST_NO_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
+    typedef std::basic_string<char32_t> my_char32_string;
+    BOOST_CHECK(lexical_cast<my_char32_string>(rng1) == U"1");
+    BOOST_CHECK(lexical_cast<my_char32_string>(crng1) == U"1");
+    BOOST_CHECK(lexical_cast<my_char32_string>(rng2) == U"1");
+    BOOST_CHECK(lexical_cast<my_char32_string>(crng2) == U"1");
+#endif
+}
+
+void test_char_iterator_ranges()
+{
+    typedef char test_char_type;
+    test_char_type data1[] = "1";
+    test_char_type data2[] = "11";
+    test_it_range_using_any_chars(data1, data2);
+    test_it_range_using_char(data1, data2);
+}
+
+
+
+void test_unsigned_char_iterator_ranges()
+{
+    typedef unsigned char test_char_type;
+    test_char_type data1[] = "1";
+    test_char_type data2[] = "11";
+    test_it_range_using_any_chars(data1, data2);
+    test_it_range_using_char(data1, data2);
+}
+
+void test_signed_char_iterator_ranges()
+{
+    typedef signed char test_char_type;
+    test_char_type data1[] = "1";
+    test_char_type data2[] = "11";
+    test_it_range_using_any_chars(data1, data2);
+    test_it_range_using_char(data1, data2);
+}
+
+void test_wchar_iterator_ranges()
+{
+#ifndef BOOST_LCAST_NO_WCHAR_T
+    typedef wchar_t test_char_type;
+    test_char_type data1[] = L"1";
+    test_char_type data2[] = L"11";
+    test_it_range_using_any_chars(data1, data2);
+#endif
+
+    BOOST_CHECK(true);
+}
+
+void test_char16_iterator_ranges()
+{
+#if !defined(BOOST_NO_CHAR16_T) && !defined(BOOST_NO_UNICODE_LITERALS)
+    typedef char16_t test_char_type;
+    test_char_type data1[] = u"1";
+    test_char_type data2[] = u"11";
+    test_it_range_using_any_chars(data1, data2);
+#endif
+
+    BOOST_CHECK(true);
+}
+
+void test_char32_iterator_ranges()
+{
+#if !defined(BOOST_NO_CHAR32_T) && !defined(BOOST_NO_UNICODE_LITERALS)
+    typedef char32_t test_char_type;
+    test_char_type data1[] = U"1";
+    test_char_type data2[] = U"11";
+    test_it_range_using_any_chars(data1, data2);
+#endif
+
+    BOOST_CHECK(true);
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite = BOOST_TEST_SUITE("lexical_cast. Testing conversions using iterator_range<>");
+    suite->add(BOOST_TEST_CASE(&test_char_iterator_ranges));
+    suite->add(BOOST_TEST_CASE(&test_unsigned_char_iterator_ranges));
+    suite->add(BOOST_TEST_CASE(&test_signed_char_iterator_ranges));
+    suite->add(BOOST_TEST_CASE(&test_wchar_iterator_ranges));
+    suite->add(BOOST_TEST_CASE(&test_char16_iterator_ranges));
+    suite->add(BOOST_TEST_CASE(&test_char32_iterator_ranges));
+
+    return suite;
+}
@@ -0,0 +1,92 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Alexander Nasonov, 2006.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+//
+//  Test round-tripping conversion FPT -> string -> FPT,
+//  where FPT is Floating Point Type.
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+
+using namespace boost;
+
+void test_round_conversion_float();
+void test_round_conversion_double();
+void test_round_conversion_long_double();
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast unit test");
+    suite->add(BOOST_TEST_CASE(&test_round_conversion_float));
+    suite->add(BOOST_TEST_CASE(&test_round_conversion_double));
+    suite->add(BOOST_TEST_CASE(&test_round_conversion_long_double));
+
+    return suite;
+}
+
+template<class T>
+void test_round_conversion()
+{
+    T epsilon = std::numeric_limits<T>::epsilon();
+    std::string const epsilon_s = boost::lexical_cast<std::string>(epsilon);
+    BOOST_CHECK(epsilon == lexical_cast<T>(epsilon_s));
+
+    T max_ = (std::numeric_limits<T>::max)();
+    std::string const max_s = boost::lexical_cast<std::string>(max_);
+    BOOST_CHECK(max_ == lexical_cast<T>(max_s));
+
+    T min_ = (std::numeric_limits<T>::min)();
+    std::string const min_s = boost::lexical_cast<std::string>(min_);
+    BOOST_CHECK(min_ == lexical_cast<T>(min_s));
+
+    T max_div137 = max_ / 137;
+    std::string max_div137_s = boost::lexical_cast<std::string>(max_div137);
+    BOOST_CHECK(max_div137 == lexical_cast<T>(max_div137_s));
+
+    T epsilon_mult137 = epsilon * 137;
+    std::string epsilon_mult137_s(lexical_cast<std::string>(epsilon_mult137));
+    BOOST_CHECK(epsilon_mult137 == lexical_cast<T>(epsilon_mult137_s));
+
+}
+
+// See bug http://tinyurl.com/vhpvo
+template<class T>
+void test_msvc_magic_values()
+{
+    T magic_msvc = 0.00010000433948393407;
+    std::string magic_msvc_s = boost::lexical_cast<std::string>(magic_msvc);
+    BOOST_CHECK(magic_msvc == lexical_cast<T>(magic_msvc_s));
+}
+
+void test_round_conversion_float()
+{
+    test_round_conversion<float>();
+}
+
+void test_round_conversion_double()
+{
+    test_round_conversion<double>();
+    test_msvc_magic_values<double>();
+}
+
+void test_round_conversion_long_double()
+{
+    test_round_conversion<long double>();
+    test_msvc_magic_values<long double>();
+}
+
@@ -0,0 +1,95 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2012.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/range/iterator_range.hpp>
+
+#ifndef BOOST_NO_EXCEPTIONS
+#error "This test must be compiled with -DBOOST_NO_EXCEPTIONS"
+#endif
+
+bool g_was_exception = false;
+
+namespace boost {
+
+void throw_exception(std::exception const & ) {
+    g_was_exception = true;
+}
+
+}
+
+using namespace boost;
+
+
+struct Escape
+{
+    Escape(){}
+    Escape(const std::string& s)
+        : str_(s)
+    {}
+
+    std::string str_;
+};
+
+inline std::ostream& operator<< (std::ostream& o, const Escape& rhs)
+{
+    return o << rhs.str_;
+}
+
+inline std::istream& operator>> (std::istream& i, Escape& rhs)
+{
+    return i >> rhs.str_;
+}
+
+void test_exceptions_off()
+{
+    Escape v("");
+
+    g_was_exception = false;
+    lexical_cast<char>(v);
+    BOOST_CHECK(g_was_exception);
+
+    g_was_exception = false;
+    lexical_cast<unsigned char>(v);
+    BOOST_CHECK(g_was_exception);
+
+    v = lexical_cast<Escape>(100);
+    BOOST_CHECK_EQUAL(lexical_cast<int>(v), 100);
+    BOOST_CHECK_EQUAL(lexical_cast<unsigned int>(v), 100u);
+
+    v = lexical_cast<Escape>(0.0);
+    BOOST_CHECK_EQUAL(lexical_cast<double>(v), 0.0);
+
+    BOOST_CHECK_EQUAL(lexical_cast<short>(100), 100);
+    BOOST_CHECK_EQUAL(lexical_cast<float>(0.0), 0.0);
+
+    g_was_exception = false;
+    lexical_cast<short>(700000);
+    BOOST_CHECK(g_was_exception);
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast. Testing with BOOST_NO_EXCEPTIONS");
+    suite->add(BOOST_TEST_CASE(&test_exceptions_off));
+
+    return suite;
+}
+
@@ -0,0 +1,166 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2012.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/range/iterator_range.hpp>
+
+using namespace boost;
+
+// Testing compilation and some basic usage with BOOST_NO_STD_LOCALE
+// Tests are mainly copyied from lexical_cast_empty_input_test.cpp (something
+// new added to test_empty_3)
+
+#ifndef BOOST_NO_STD_LOCALE
+#error "This test must be compiled with -DBOOST_NO_STD_LOCALE"
+#endif
+
+
+template <class T>
+void do_test_on_empty_input(T& v)
+{
+    BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
+#if defined(BOOST_HAS_LONG_LONG)
+    BOOST_CHECK_THROW(lexical_cast<boost::ulong_long_type>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<boost::long_long_type>(v), bad_lexical_cast);
+#elif defined(BOOST_HAS_MS_INT64)
+    BOOST_CHECK_THROW(lexical_cast<unsigned __int64>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<__int64>(v), bad_lexical_cast);
+#endif
+}
+
+void test_empty_1()
+{
+    boost::iterator_range<char*> v;
+    do_test_on_empty_input(v);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
+    BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
+
+    boost::iterator_range<const char*> cv;
+    do_test_on_empty_input(cv);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(cv), std::string());
+    BOOST_CHECK_THROW(lexical_cast<char>(cv), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(cv), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(cv), bad_lexical_cast);
+
+    const boost::iterator_range<const char*> ccv;
+    do_test_on_empty_input(ccv);
+    BOOST_CHECK_EQUAL(lexical_cast<std::string>(ccv), std::string());
+    BOOST_CHECK_THROW(lexical_cast<char>(ccv), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(ccv), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(ccv), bad_lexical_cast);
+}
+
+void test_empty_2()
+{
+    std::string v;
+    do_test_on_empty_input(v);
+    BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
+}
+
+struct Escape
+{
+    Escape(){}
+    Escape(const std::string& s)
+        : str_(s)
+    {}
+
+    std::string str_;
+};
+
+inline std::ostream& operator<< (std::ostream& o, const Escape& rhs)
+{
+    return o << rhs.str_;
+}
+
+inline std::istream& operator>> (std::istream& i, Escape& rhs)
+{
+    return i >> rhs.str_;
+}
+
+void test_empty_3()
+{
+    Escape v("");
+    do_test_on_empty_input(v);
+
+    BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
+
+    v = lexical_cast<Escape>(100);
+    BOOST_CHECK_EQUAL(lexical_cast<int>(v), 100);
+    BOOST_CHECK_EQUAL(lexical_cast<unsigned int>(v), 100u);
+
+    v = lexical_cast<Escape>(0.0);
+    BOOST_CHECK_EQUAL(lexical_cast<double>(v), 0.0);
+}
+
+namespace std {
+inline std::ostream & operator<<(std::ostream & out, const std::vector<long> & v)
+{
+    std::ostream_iterator<long> it(out);
+    std::copy(v.begin(), v.end(), it);
+    assert(out);
+    return out;
+}
+}
+
+void test_empty_4()
+{
+    std::vector<long> v;
+    do_test_on_empty_input(v);
+    BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
+    BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
+}
+
+
+struct my_string {
+    friend std::ostream &operator<<(std::ostream& sout, my_string const&/* st*/) {
+            return sout << "";
+    }
+};
+
+void test_empty_5()
+{
+    my_string st;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(st), std::string());;
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast. Testing with BOOST_NO_STD_LOCALE");
+    suite->add(BOOST_TEST_CASE(&test_empty_1));
+    suite->add(BOOST_TEST_CASE(&test_empty_2));
+    suite->add(BOOST_TEST_CASE(&test_empty_3));
+    suite->add(BOOST_TEST_CASE(&test_empty_4));
+    suite->add(BOOST_TEST_CASE(&test_empty_5));
+
+    return suite;
+}
+
@@ -0,0 +1,54 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Alexander Nasonov, 2007.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+//
+//  Test that Source can be non-copyable.
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+#include <boost/noncopyable.hpp>
+#include <boost/test/unit_test.hpp>
+
+using namespace boost;
+
+void test_noncopyable();
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast unit test");
+    suite->add(BOOST_TEST_CASE(&test_noncopyable));
+
+    return suite;
+}
+
+class Noncopyable : private boost::noncopyable
+{
+public:
+    Noncopyable() {}
+};
+
+inline std::ostream &operator<<(std::ostream &out, const Noncopyable&)
+{
+    return out << "Noncopyable";
+}
+
+void test_noncopyable()
+{
+    Noncopyable x;
+    BOOST_CHECK(boost::lexical_cast<std::string>(x) == "Noncopyable");
+}
+
@@ -0,0 +1,96 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2012.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+
+using namespace boost;
+
+#if defined(BOOST_NO_STRINGSTREAM)
+            typedef std::strstream ss_t;
+#else
+            typedef std::stringstream ss_t;
+#endif
+
+void test_void_pointers_conversions()
+{
+    void *p_to_null = NULL;
+    const void *cp_to_data = "Some data";
+    char nonconst_data[5];
+    void *p_to_data = nonconst_data;
+    ss_t ss;
+
+    ss << p_to_null;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(p_to_null), ss.str());
+    ss.str(std::string());
+
+    ss << cp_to_data;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(cp_to_data), ss.str());
+    ss.str(std::string());
+
+    ss << p_to_data;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(p_to_data), ss.str());
+    ss.str(std::string());
+}
+
+struct incomplete_type;
+
+void test_incomplete_type_pointers_conversions()
+{
+    incomplete_type *p_to_null = NULL;
+    const incomplete_type *cp_to_data = NULL;
+    char nonconst_data[5];
+    incomplete_type *p_to_data = reinterpret_cast<incomplete_type*>(nonconst_data);
+    ss_t ss;
+
+    ss << p_to_null;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(p_to_null), ss.str());
+    ss.str(std::string());
+
+    ss << cp_to_data;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(cp_to_data), ss.str());
+    ss.str(std::string());
+
+    ss << p_to_data;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(p_to_data), ss.str());
+    ss.str(std::string());
+}
+
+struct ble;
+typedef struct ble *meh;
+std::ostream& operator <<(std::ostream &o, meh) {
+  o << "yay";
+  return o;
+}
+
+void test_inomplete_type_with_overloaded_ostream_op() {
+    meh heh = NULL;
+    ss_t ss;
+    ss << heh;
+    BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(heh), ss.str());
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast pinters test");
+    suite->add(BOOST_TEST_CASE(&test_void_pointers_conversions));
+    suite->add(BOOST_TEST_CASE(&test_incomplete_type_pointers_conversions));
+    suite->add(BOOST_TEST_CASE(&test_inomplete_type_with_overloaded_ostream_op));
+    return suite;
+}
@@ -0,0 +1,40 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2011.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#include <boost/static_assert.hpp>
+#include <boost/lexical_cast.hpp>
+
+#include <boost/date_time/gregorian/gregorian.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+
+void parseDate()
+{
+  std::locale locale;
+  boost::date_time::format_date_parser<boost::gregorian::date, wchar_t> parser(L"", locale);
+  boost::date_time::special_values_parser<boost::gregorian::date, wchar_t> svp;
+
+  boost::gregorian::date date = parser.parse_date(L"", L"", svp);
+  (void)date;
+}
+
+
+int main()
+{
+#ifdef BOOST_MSVC
+    BOOST_STATIC_ASSERT((boost::is_same<wchar_t, unsigned short>::value));
+#endif
+
+    parseDate();
+    return ::boost::lexical_cast<int>(L"1000") == 1000;
+}
+
+
@@ -0,0 +1,48 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2011.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+
+#include <boost/test/unit_test.hpp>
+using namespace boost;
+
+void test_typedefed_wchar_t_runtime()
+{
+#ifndef BOOST_LCAST_NO_WCHAR_T
+#ifdef BOOST_MSVC
+    BOOST_STATIC_ASSERT((boost::is_same<wchar_t, unsigned short>::value));
+
+
+    BOOST_CHECK_EQUAL(boost::lexical_cast<int>(L'A'), 65);
+    BOOST_CHECK_EQUAL(boost::lexical_cast<int>(L'B'), 66);
+
+    BOOST_CHECK_EQUAL(boost::lexical_cast<wchar_t>(L"65"), 65);
+    BOOST_CHECK_EQUAL(boost::lexical_cast<wchar_t>(L"66"), 66);
+#endif
+#endif
+    BOOST_CHECK(1);
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast typedefed wchar_t runtime test");
+    suite->add(BOOST_TEST_CASE(&test_typedefed_wchar_t_runtime));
+
+    return suite;
+}
@@ -0,0 +1,67 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Alexander Nasonov, 2007.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+//
+// This tests now must pass on vc8, because lexical_cast
+// implementation has changed and it does not use stringstream for casts
+// to integral types
+
+#include <boost/config.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/test/unit_test.hpp>
+
+#include <string>
+
+using namespace boost;
+
+// See also test_conversion_from_string_to_integral(CharT)
+// in libs/conversion/lexical_cast_test.cpp
+template<class T, class CharT>
+void test_too_long_number(CharT zero)
+{
+    typedef std::numeric_limits<T> limits;
+
+    std::basic_string<CharT> s;
+
+    std::basic_ostringstream<CharT> o;
+    o << (limits::max)() << zero;
+    s = o.str();
+    BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
+    s[s.size()-1] += 9; // '0' -> '9'
+    BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
+
+    if(limits::is_signed)
+    {
+        std::basic_ostringstream<CharT> o;
+        o << (limits::min)() << zero;
+        s = o.str();
+        BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
+        s[s.size()-1] += 9; // '0' -> '9'
+        BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
+    }
+}
+
+void test_vc8_bug()
+{
+    test_too_long_number<boost::intmax_t>('0');
+    test_too_long_number<boost::uintmax_t>('0');
+#if !defined(BOOST_LCAST_NO_WCHAR_T)
+    test_too_long_number<boost::intmax_t>(L'0');
+    test_too_long_number<boost::uintmax_t>(L'0');
+#endif
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast vc8 bug unit test");
+    suite->add(BOOST_TEST_CASE(test_vc8_bug));
+    return suite;
+}
@@ -0,0 +1,86 @@
+//  Unit test for boost::lexical_cast.
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2011-2012.
+//
+//  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
+
+#include <boost/config.hpp>
+
+#if defined(__INTEL_COMPILER)
+#pragma warning(disable: 193 383 488 981 1418 1419)
+#elif defined(BOOST_MSVC)
+#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
+#endif
+
+#include <boost/lexical_cast.hpp>
+#include <boost/test/unit_test.hpp>
+
+using namespace boost;
+
+#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
+#define BOOST_LCAST_NO_WCHAR_T
+#endif
+
+template <class CharT>
+void test_impl(const CharT* wc_arr)
+{
+    typedef CharT                       wide_char;
+    typedef std::basic_string<CharT>    wide_string;
+    const char c_arr[]            = "Test array of chars";
+    const unsigned char uc_arr[]  = "Test array of chars";
+    const signed char sc_arr[]    = "Test array of chars";
+
+    // Following tests depend on realization of std::locale
+    // and pass for popular compilers and STL realizations
+    BOOST_CHECK(boost::lexical_cast<wide_char>(c_arr[0]) == wc_arr[0]);
+    BOOST_CHECK(boost::lexical_cast<wide_string>(c_arr) == wide_string(wc_arr));
+
+    BOOST_CHECK(boost::lexical_cast<wide_string>(sc_arr) == wide_string(wc_arr) );
+    BOOST_CHECK(boost::lexical_cast<wide_string>(uc_arr) == wide_string(wc_arr) );
+
+    BOOST_CHECK_EQUAL(boost::lexical_cast<wide_char>(uc_arr[0]), wc_arr[0]);
+    BOOST_CHECK_EQUAL(boost::lexical_cast<wide_char>(sc_arr[0]), wc_arr[0]);
+}
+
+
+void test_char_types_conversions_wchar_t()
+{
+#ifndef BOOST_LCAST_NO_WCHAR_T
+    test_impl(L"Test array of chars");
+#endif
+
+    BOOST_CHECK(true);
+}
+
+void test_char_types_conversions_char16_t()
+{
+#if !defined(BOOST_NO_CHAR16_T) && !defined(BOOST_NO_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
+    test_impl(u"Test array of chars");
+#endif
+
+    BOOST_CHECK(true);
+}
+
+void test_char_types_conversions_char32_t()
+{
+#if !defined(BOOST_NO_CHAR32_T) && !defined(BOOST_NO_UNICODE_LITERALS) && defined(BOOST_STL_SUPPORTS_NEW_UNICODE_LOCALES)
+    test_impl(U"Test array of chars");
+#endif
+
+    BOOST_CHECK(true);
+}
+
+unit_test::test_suite *init_unit_test_suite(int, char *[])
+{
+    unit_test::test_suite *suite =
+        BOOST_TEST_SUITE("lexical_cast char => wide characters unit test (widening test)");
+    suite->add(BOOST_TEST_CASE(&test_char_types_conversions_wchar_t));
+    suite->add(BOOST_TEST_CASE(&test_char_types_conversions_char16_t));
+    suite->add(BOOST_TEST_CASE(&test_char_types_conversions_char32_t));
+
+    return suite;
+}
@@ -1,383 +0,0 @@
-//
-// Test boost::polymorphic_cast, boost::polymorphic_downcast and 
-// boost::polymorphic_pointer_cast, boost::polymorphic_pointer_downcast
-//
-// Copyright 1999 Beman Dawes
-// Copyright 1999 Dave Abrahams
-// Copyright 2014 Peter Dimov
-// Copyright 2014 Boris Rasin, Antony Polukhin
-// Copyright 2023 Antony Polukhin
-//
-// Distributed under the Boost Software License, Version 1.0.
-//
-// See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
-//
-
-#define BOOST_ENABLE_ASSERT_HANDLER
-#include <boost/polymorphic_cast.hpp>
-#include <boost/polymorphic_pointer_cast.hpp>
-#include <boost/smart_ptr/shared_ptr.hpp>
-#include <boost/smart_ptr/intrusive_ptr.hpp>
-#include <boost/smart_ptr/intrusive_ref_counter.hpp>
-#include <boost/core/lightweight_test.hpp>
-#include <string>
-#include <memory>
-
-static bool expect_assertion = false;
-static int assertion_failed_count = 0;
-
-//assertion handler throws it to exit like assert, but to be able to catch it and stop
-//usage: BOOST_TEST_THROWS( function_with_assert(), expected_assertion );
-struct expected_assertion {};
-
-// BOOST_ASSERT custom handler
-void boost::assertion_failed( char const * expr, char const * function, char const * file, long line )
-{
-    if( expect_assertion )
-    {
-        ++assertion_failed_count;
-        throw expected_assertion();
-    }
-    else
-    {
-        BOOST_ERROR( "unexpected assertion" );
-
-        BOOST_LIGHTWEIGHT_TEST_OSTREAM
-          << file << "(" << line << "): assertion '" << expr << "' failed in function '"
-          << function << "'" << std::endl;
-    }
-}
-
-//
-
-struct Base : boost::intrusive_ref_counter<Base>
-{
-    virtual ~Base() {}
-    virtual std::string kind() { return "Base"; }
-};
-
-struct Base2
-{
-    virtual ~Base2() {}
-    virtual std::string kind2() { return "Base2"; }
-};
-
-struct Derived : public Base, Base2
-{
-    virtual std::string kind() { return "Derived"; }
-};
-
-static void test_polymorphic_cast()
-{
-    Base * base = new Derived;
-
-    Derived * derived;
-    
-    try
-    {
-        derived = boost::polymorphic_cast<Derived*>( base );
-
-        BOOST_TEST( derived != 0 );
-
-        if( derived != 0 )
-        {
-            BOOST_TEST_EQ( derived->kind(), "Derived" );
-        }
-    }
-    catch( std::bad_cast const& )
-    {
-        BOOST_ERROR( "boost::polymorphic_cast<Derived*>( base ) threw std::bad_cast" );
-    }
-
-    Base2 * base2;
-
-    try
-    {
-        base2 = boost::polymorphic_cast<Base2*>( base ); // crosscast
-
-        BOOST_TEST( base2 != 0 );
-
-        if( base2 != 0 )
-        {
-            BOOST_TEST_EQ( base2->kind2(), "Base2" );
-        }
-    }
-    catch( std::bad_cast const& )
-    {
-        BOOST_ERROR( "boost::polymorphic_cast<Base2*>( base ) threw std::bad_cast" );
-    }
-
-    delete base;
-}
-
-static void test_polymorphic_pointer_cast()
-{
-    Base * base = new Derived;
-
-    Derived * derived;
-
-    try
-    {
-        derived = boost::polymorphic_pointer_cast<Derived>( base );
-
-        BOOST_TEST( derived != 0 );
-
-        if( derived != 0 )
-        {
-            BOOST_TEST_EQ( derived->kind(), "Derived" );
-        }
-    }
-    catch( std::bad_cast const& )
-    {
-        BOOST_ERROR( "boost::polymorphic_pointer_cast<Derived>( base ) threw std::bad_cast" );
-    }
-
-    Base2 * base2;
-
-    try
-    {
-        base2 = boost::polymorphic_pointer_cast<Base2>( base ); // crosscast
-
-        BOOST_TEST( base2 != 0 );
-
-        if( base2 != 0 )
-        {
-            BOOST_TEST_EQ( base2->kind2(), "Base2" );
-        }
-    }
-    catch( std::bad_cast const& )
-    {
-        BOOST_ERROR( "boost::polymorphic_pointer_cast<Base2>( base ) threw std::bad_cast" );
-    }
-
-    boost::shared_ptr<Base> sp_base( base );
-    boost::shared_ptr<Base2> sp_base2;
-    try
-    {
-        sp_base2 = boost::polymorphic_pointer_cast<Base2>( sp_base ); // crosscast
-
-        BOOST_TEST( sp_base2 != 0 );
-
-        if( sp_base2 != 0 )
-        {
-            BOOST_TEST_EQ( sp_base2->kind2(), "Base2" );
-        }
-    }
-    catch( std::bad_cast const& )
-    {
-        BOOST_ERROR( "boost::polymorphic_pointer_cast<Base2>( sp_base ) threw std::bad_cast" );
-    }
-
-    // we do not `delete base;` because sahred_ptr is holding base
-}
-
-static void test_polymorphic_downcast()
-{
-    Base *base_pointer = new Derived;
-
-    // test raw pointer cast
-    Derived *derived_pointer = boost::polymorphic_downcast<Derived *>(base_pointer);
-
-    BOOST_TEST(derived_pointer != 0);
-
-    if (derived_pointer != 0)
-    {
-        BOOST_TEST_EQ(derived_pointer->kind(), "Derived");
-    }
-
-    // test reference cast
-    Derived& derived_ref = boost::polymorphic_downcast<Derived&>(*base_pointer);
-    BOOST_TEST_EQ(derived_ref.kind(), "Derived");
-
-    delete base_pointer;
-}
-
-static void test_polymorphic_pointer_downcast_builtin()
-{
-    Base * base = new Derived;
-
-    Derived * derived = boost::polymorphic_pointer_downcast<Derived>( base );
-
-    BOOST_TEST( derived != 0 );
-
-    if( derived != 0 )
-    {
-        BOOST_TEST_EQ( derived->kind(), "Derived" );
-    }
-
-    // polymorphic_pointer_downcast can't do crosscasts
-
-    delete base;
-}
-
-static void test_polymorphic_pointer_downcast_boost_shared()
-{
-    boost::shared_ptr<Base> base (new Derived);
-
-    boost::shared_ptr<Derived> derived = boost::polymorphic_pointer_downcast<Derived>( base );
-
-    BOOST_TEST( derived != 0 );
-
-    if( derived != 0 )
-    {
-        BOOST_TEST_EQ( derived->kind(), "Derived" );
-    }
-}
-
-static void test_polymorphic_pointer_downcast_intrusive()
-{
-    boost::intrusive_ptr<Base> base (new Derived);
-
-    boost::intrusive_ptr<Derived> derived = boost::polymorphic_pointer_downcast<Derived>( base );
-
-    BOOST_TEST( derived != 0 );
-
-    if( derived != 0 )
-    {
-        BOOST_TEST_EQ( derived->kind(), "Derived" );
-    }
-}
-
-static void test_polymorphic_pointer_downcast_std_shared()
-{
-    std::shared_ptr<Base> base (new Derived);
-
-    std::shared_ptr<Derived> derived = boost::polymorphic_pointer_downcast<Derived>( base );
-
-    BOOST_TEST( derived != 0 );
-
-    if( derived != 0 )
-    {
-        BOOST_TEST_EQ( derived->kind(), "Derived" );
-    }
-}
-
-static void test_polymorphic_cast_fail()
-{
-    Base * base = new Base;
-
-    BOOST_TEST_THROWS( boost::polymorphic_cast<Derived*>( base ), std::bad_cast );
-
-    delete base;
-}
-
-static void test_polymorphic_pointer_cast_fail()
-{
-    Base * base = new Base;
-    BOOST_TEST_THROWS( boost::polymorphic_pointer_cast<Derived>( base ), std::bad_cast );
-    delete base;
-
-    BOOST_TEST_THROWS( boost::polymorphic_pointer_cast<Derived>( boost::shared_ptr<Base>(new Base) ), std::bad_cast );
-
-    BOOST_TEST_THROWS( boost::polymorphic_pointer_cast<Derived>( std::shared_ptr<Base>(new Base) ), std::bad_cast );
-
-    BOOST_TEST_THROWS( boost::polymorphic_pointer_cast<Derived>( boost::intrusive_ptr<Base>(new Base) ), std::bad_cast );
-}
-
-static void test_polymorphic_downcast_fail()
-{
-    Base * base_pointer = new Base;
-
-    {
-        // test raw pointer cast
-
-        int old_count = assertion_failed_count;
-        expect_assertion = true;
-
-        BOOST_TEST_THROWS(boost::polymorphic_downcast<Derived *>(base_pointer), expected_assertion); // should assert
-
-        BOOST_TEST_EQ(assertion_failed_count, old_count + 1);
-        expect_assertion = false;
-    }
-    {
-        // test reference cast
-
-        int old_count = assertion_failed_count;
-        expect_assertion = true;
-
-        BOOST_TEST_THROWS(boost::polymorphic_downcast<Derived &>(*base_pointer), expected_assertion); // should assert
-
-        BOOST_TEST_EQ(assertion_failed_count, old_count + 1);
-        expect_assertion = false;
-    }
-
-    delete base_pointer;
-}
-
-static void test_polymorphic_pointer_downcast_builtin_fail()
-{
-    Base * base = new Base;
-
-    int old_count = assertion_failed_count;
-    expect_assertion = true;
-
-    BOOST_TEST_THROWS( boost::polymorphic_pointer_downcast<Derived>( base ), expected_assertion ); // should assert
-
-    BOOST_TEST_EQ( assertion_failed_count, old_count + 1 );
-    expect_assertion = false;
-
-    delete base;
-}
-
-static void test_polymorphic_pointer_downcast_boost_shared_fail()
-{
-    boost::shared_ptr<Base> base (new Base);
-
-    int old_count = assertion_failed_count;
-    expect_assertion = true;
-
-    BOOST_TEST_THROWS( boost::polymorphic_pointer_downcast<Derived>( base ), expected_assertion ); // should assert
-
-    BOOST_TEST_EQ( assertion_failed_count, old_count + 1 );
-    expect_assertion = false;
-}
-
-
-static void test_polymorphic_pointer_downcast_std_shared_fail()
-{
-    std::shared_ptr<Base> base (new Base);
-
-    int old_count = assertion_failed_count;
-    expect_assertion = true;
-
-    BOOST_TEST_THROWS( boost::polymorphic_pointer_downcast<Derived>( base ), expected_assertion ); // should assert
-
-    BOOST_TEST_EQ( assertion_failed_count, old_count + 1 );
-    expect_assertion = false;
-}
-
-
-static void test_polymorphic_pointer_downcast_intrusive_fail()
-{
-    boost::intrusive_ptr<Base> base (new Base);
-
-    int old_count = assertion_failed_count;
-    expect_assertion = true;
-
-    BOOST_TEST_THROWS( boost::polymorphic_pointer_downcast<Derived>( base ), expected_assertion); // should assert
-
-    BOOST_TEST_EQ( assertion_failed_count, old_count + 1 );
-    expect_assertion = false;
-}
-
-int main()
-{
-    test_polymorphic_cast();
-    test_polymorphic_pointer_cast();
-    test_polymorphic_downcast();
-    test_polymorphic_pointer_downcast_builtin();
-    test_polymorphic_pointer_downcast_boost_shared();
-    test_polymorphic_pointer_downcast_intrusive();
-    test_polymorphic_cast_fail();
-    test_polymorphic_pointer_cast_fail();
-    test_polymorphic_downcast_fail();
-    test_polymorphic_pointer_downcast_builtin_fail();
-    test_polymorphic_pointer_downcast_boost_shared_fail();
-    test_polymorphic_pointer_downcast_intrusive_fail();
-
-    test_polymorphic_pointer_downcast_std_shared();
-    test_polymorphic_pointer_downcast_std_shared_fail();
-
-
-    return boost::report_errors();
-}