Update appveyor.yml

.appveyor.yml

@@ -29,6 +29,10 @@ environment:
       TOOLSET: msvc-14.2
       CXXSTD: 14,17,latest
       ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: clang-win
+      ADDRMD: 64
+      CXXSTD: 14,17,latest
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       TOOLSET: clang-win
       CXXSTD: 14,17,latest

.github/workflows/ci.yml

@@ -57,6 +57,11 @@ jobs:
             os: ubuntu-20.04
             install: g++-11-multilib
             address-model: 32,64
+          - toolset: gcc-12
+            cxxstd: "03,11,14,17,20"
+            os: ubuntu-22.04
+            install: g++-12-multilib
+            address-model: 32,64
           - toolset: clang
             compiler: clang++-3.9
             cxxstd: "03,11,14"
@@ -104,6 +109,16 @@ jobs:
             compiler: clang++-12
             cxxstd: "03,11,14,17,20"
             os: ubuntu-20.04
+          - toolset: clang
+            compiler: clang++-13
+            cxxstd: "03,11,14,17,20"
+            os: ubuntu-22.04
+            install: clang-13
+          - toolset: clang
+            compiler: clang++-14
+            cxxstd: "03,11,14,17,20"
+            os: ubuntu-22.04
+            install: clang-14
           - toolset: clang
             cxxstd: "03,11,14,17,2a"
             os: macos-10.15
@@ -210,3 +225,162 @@ jobs:
           cd ../boost-root
           b2 -j3 --verbose-test libs/%LIBRARY%/test//hash_info toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} address-model=${{matrix.addrmd}} variant=debug,release embed-manifest-via=linker
           b2 -j3 libs/%LIBRARY%/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} address-model=${{matrix.addrmd}} variant=debug,release embed-manifest-via=linker
+
+  posix-cmake-subdir:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-18.04
+          - os: ubuntu-20.04
+          - os: ubuntu-22.04
+          - os: macos-10.15
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - 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 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+
+      - name: Use library with add_subdirectory
+        run: |
+          cd ../boost-root/libs/$LIBRARY/test/cmake_subdir_test
+          mkdir __build__ && cd __build__
+          cmake ..
+          cmake --build .
+          ctest --output-on-failure --no-tests=error
+
+  posix-cmake-install:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-18.04
+          - os: ubuntu-20.04
+          - os: ubuntu-22.04
+          - os: macos-10.15
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - 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 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+
+      - name: Configure
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=$LIBRARY -DCMAKE_INSTALL_PREFIX=~/.local ..
+
+      - name: Install
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install
+
+      - name: Use the installed library
+        run: |
+          cd ../boost-root/libs/$LIBRARY/test/cmake_install_test && mkdir __build__ && cd __build__
+          cmake -DCMAKE_INSTALL_PREFIX=~/.local ..
+          cmake --build .
+          ctest --output-on-failure --no-tests=error
+
+  posix-cmake-test:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-18.04
+          - os: ubuntu-20.04
+          - os: ubuntu-22.04
+          - os: macos-10.15
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - 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 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+
+      - name: Configure
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=$LIBRARY -DBUILD_TESTING=ON ..
+
+      - name: Build tests
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests
+
+      - name: Run tests
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error

CMakeLists.txt

@@ -1,8 +1,10 @@
-# Copyright 2018 Mike Dev
+# Generated by `boostdep --cmake container_hash`
+# Copyright 2020, 2021 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
+# https://www.boost.org/LICENSE_1_0.txt
 
 cmake_minimum_required(VERSION 3.5...3.20)
+
 project(boost_container_hash VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
 add_library(boost_container_hash INTERFACE)
@@ -11,12 +13,13 @@ add_library(Boost::container_hash ALIAS boost_container_hash)
 target_include_directories(boost_container_hash INTERFACE include)
 
 target_link_libraries(boost_container_hash
-    INTERFACE
-        Boost::assert
-        Boost::config
-        Boost::core
-        Boost::detail
-        Boost::integer
-        Boost::static_assert
-        Boost::type_traits
+  INTERFACE
+    Boost::config
+    Boost::type_traits
 )
+
+if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
+
+  add_subdirectory(test)
+
+endif()

benchmark/char_seq.cpp

@@ -0,0 +1,101 @@
+// Copyright 2022 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#define _CRT_SECURE_NO_WARNINGS
+
+#include <boost/container_hash/hash.hpp>
+#include <boost/core/detail/splitmix64.hpp>
+#include <boost/core/type_name.hpp>
+#include <boost/config.hpp>
+#include <cstddef>
+#include <cstdio>
+#include <cstdint>
+#include <string>
+#include <vector>
+#include <deque>
+#include <list>
+#include <chrono>
+
+// test_hash_speed
+
+template<class T, class V> void test_hash_speed( int N, V const& v )
+{
+    std::vector<T> w;
+
+    w.reserve( N );
+
+    for( int i = 0; i < N; ++i )
+    {
+        w.emplace_back( v[i].begin(), v[i].end() );
+    }
+
+    typedef std::chrono::steady_clock clock_type;
+
+    clock_type::time_point t1 = clock_type::now();
+
+    std::size_t q = 0;
+
+    boost::hash<T> const h;
+
+    for( int i = 0; i < N; ++i )
+    {
+        q += h( w[i] );
+    }
+
+    clock_type::time_point t2 = clock_type::now();
+
+    long long ms1 = std::chrono::duration_cast<std::chrono::milliseconds>( t2 - t1 ).count();
+
+    std::string type = boost::core::type_name<T>();
+
+#if defined( _MSC_VER )
+
+    std::printf( "%25s : q=%20Iu, %lld ms\n", type.c_str(), q, ms1 );
+
+#else
+
+    std::printf( "%25s : q=%20zu, %lld ms\n", type.c_str(), q, ms1 );
+
+#endif
+}
+
+int main()
+{
+    int const N = 1048576 * 8;
+
+    std::vector<std::string> v;
+
+    {
+        v.reserve( N );
+
+        boost::detail::splitmix64 rnd;
+
+        for( int i = 0; i < N; ++i )
+        {
+            char buffer[ 64 ];
+
+            unsigned long long k = rnd();
+
+            if( k & 1 )
+            {
+                sprintf( buffer, "prefix_%llu_suffix", k );
+            }
+            else
+            {
+                sprintf( buffer, "{%u}", static_cast<unsigned>( k ) );
+            }
+
+            v.push_back( buffer );
+        }
+    }
+
+    std::puts( "Char sequence hashing test:\n" );
+
+    test_hash_speed< std::string >( N, v );
+    test_hash_speed< std::vector<char> >( N, v );
+    test_hash_speed< std::deque<char> >( N, v );
+    test_hash_speed< std::list<char> >( N, v );
+
+    std::puts( "" );
+}

benchmark/unordered.cpp

@@ -0,0 +1,389 @@
+// Copyright 2022 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#define _CRT_SECURE_NO_WARNINGS
+
+#include <boost/container_hash/hash.hpp>
+#include <boost/unordered_set.hpp>
+#include <boost/core/detail/splitmix64.hpp>
+#include <boost/core/type_name.hpp>
+#include <boost/config.hpp>
+#include <cstddef>
+#include <cstdio>
+#include <cstdint>
+#include <string>
+#include <vector>
+#include <chrono>
+#include <functional>
+
+// mul31_hash
+
+class mul31_hash
+{
+public:
+
+    std::size_t operator()( std::string const& st ) const BOOST_NOEXCEPT
+    {
+        char const * p = st.data();
+        std::size_t n = st.size();
+
+#if SIZE_MAX > UINT32_MAX
+        std::size_t h = 0xCBF29CE484222325ull;
+#else
+        std::size_t h = 0x811C9DC5u;
+#endif
+
+        for( std::size_t i = 0; i < n; ++i )
+        {
+            h = h * 31 + static_cast<unsigned char>( p[i] );
+        }
+
+        return h;
+    }
+};
+
+// mul31_unrolled_hash
+
+template<int Bits> struct mul31_unrolled_hash_impl;
+
+template<> struct mul31_unrolled_hash_impl<32>
+{
+    std::size_t operator()( std::string const& st ) const BOOST_NOEXCEPT
+    {
+        char const * p = st.data();
+        std::size_t n = st.size();
+
+        std::size_t h = 0x811C9DC5u;
+
+        while( n >= 4 )
+        {
+            h = h * (31u * 31u * 31u * 31u)
+                + static_cast<unsigned char>( p[0] ) * (31u * 31u * 31u)
+                + static_cast<unsigned char>( p[1] ) * (31u * 31u)
+                + static_cast<unsigned char>( p[2] ) * 31u
+                + static_cast<unsigned char>( p[3] );
+
+            p += 4;
+            n -= 4;
+        }
+
+        while( n > 0 )
+        {
+            h = h * 31u + static_cast<unsigned char>( *p );
+
+            ++p;
+            --n;
+        }
+
+        return h;
+    }
+};
+
+template<> struct mul31_unrolled_hash_impl<64>
+{
+    std::size_t operator()( std::string const& st ) const BOOST_NOEXCEPT
+    {
+        char const * p = st.data();
+        std::size_t n = st.size();
+
+        std::size_t h = 0xCBF29CE484222325ull;
+
+        while( n >= 8 )
+        {
+            h = h * (31ull * 31ull * 31ull * 31ull * 31ull * 31ull * 31ull * 31ull)
+                + static_cast<unsigned char>( p[0] ) * (31ull * 31ull * 31ull * 31ull * 31ull * 31ull * 31ull)
+                + static_cast<unsigned char>( p[1] ) * (31ull * 31ull * 31ull * 31ull * 31ull * 31ull)
+                + static_cast<unsigned char>( p[2] ) * (31ull * 31ull * 31ull * 31ull * 31ull)
+                + static_cast<unsigned char>( p[3] ) * (31ull * 31ull * 31ull * 31ull)
+                + static_cast<unsigned char>( p[4] ) * (31ull * 31ull * 31ull)
+                + static_cast<unsigned char>( p[5] ) * (31ull * 31ull)
+                + static_cast<unsigned char>( p[6] ) * 31ull
+                + static_cast<unsigned char>( p[7] );
+
+            p += 8;
+            n -= 8;
+        }
+
+        while( n > 0 )
+        {
+            h = h * 31u + static_cast<unsigned char>( *p );
+
+            ++p;
+            --n;
+        }
+
+        return h;
+    }
+};
+
+struct mul31_unrolled_hash: mul31_unrolled_hash_impl< std::numeric_limits<std::size_t>::digits > {};
+
+// fnv1a_hash
+
+template<int Bits> struct fnv1a_hash_impl;
+
+template<> struct fnv1a_hash_impl<32>
+{
+    std::size_t operator()( std::string const& s ) const
+    {
+        std::size_t h = 0x811C9DC5u;
+
+        char const * first = s.data();
+        char const * last = first + s.size();
+
+        for( ; first != last; ++first )
+        {
+            h ^= static_cast<unsigned char>( *first );
+            h *= 0x01000193ul;
+        }
+
+        return h;
+    }
+};
+
+template<> struct fnv1a_hash_impl<64>
+{
+    std::size_t operator()( std::string const& s ) const
+    {
+        std::size_t h = 0xCBF29CE484222325ull;
+
+        char const * first = s.data();
+        char const * last = first + s.size();
+
+        for( ; first != last; ++first )
+        {
+            h ^= static_cast<unsigned char>( *first );
+            h *= 0x00000100000001B3ull;
+        }
+
+        return h;
+    }
+};
+
+struct fnv1a_hash: fnv1a_hash_impl< std::numeric_limits<std::size_t>::digits > {};
+
+// old_boost_hash
+
+class old_boost_hash
+{
+public:
+
+    std::size_t operator()( std::string const& st ) const BOOST_NOEXCEPT
+    {
+        char const * p = st.data();
+        std::size_t n = st.size();
+
+        std::size_t h = 0;
+
+        for( std::size_t i = 0; i < n; ++i )
+        {
+            h ^= static_cast<unsigned char>( p[i] ) + 0x9e3779b9 + ( h << 6 ) + ( h >> 2 );
+        }
+
+        return h;
+    }
+};
+
+// test_hash_speed
+
+template<class H, class V> void test_hash_speed( int N, V const& v )
+{
+    typedef std::chrono::steady_clock clock_type;
+
+    clock_type::time_point t1 = clock_type::now();
+
+    std::size_t q = 0;
+
+    H const h;
+
+    for( int i = 0; i < N; ++i )
+    {
+        q += h( v[i] );
+    }
+
+    clock_type::time_point t2 = clock_type::now();
+
+    long long ms1 = std::chrono::duration_cast<std::chrono::milliseconds>( t2 - t1 ).count();
+
+    std::string hash = boost::core::type_name<H>();
+
+#if defined( _MSC_VER )
+
+    std::printf( "%25s : q=%20Iu, %lld ms\n", hash.c_str(), q, ms1 );
+
+#else
+
+    std::printf( "%25s : q=%20zu, %lld ms\n", hash.c_str(), q, ms1 );
+
+#endif
+}
+
+// test_hash_collision
+
+template<class H, class V> void test_hash_collision( int N, V const& v, std::size_t n )
+{
+    boost::unordered_set<std::size_t> s;
+    H const h;
+
+    for( int i = 0; i < N; ++i )
+    {
+        s.insert( h( v[i] ) );
+    }
+
+    std::string hash = boost::core::type_name<H>();
+
+#if defined( _MSC_VER )
+
+    std::printf( "%25s : c=%Iu\n", hash.c_str(), n - s.size() );
+
+#else
+
+    std::printf( "%25s : c=%zu\n", hash.c_str(), n - s.size() );
+
+#endif
+}
+
+// test_container_speed
+
+template<class V, class S> void test4( int N, V const& v, char const * hash, S s )
+{
+    typedef std::chrono::steady_clock clock_type;
+
+    clock_type::time_point t1 = clock_type::now();
+
+    for( int i = 0; i < N; ++i )
+    {
+        s.insert( v[ i * 16 ] );
+    }
+
+    clock_type::time_point t2 = clock_type::now();
+
+    std::size_t q = 0;
+
+    for( int i = 0; i < 16 * N; ++i )
+    {
+        q += s.count( v[ i ] );
+    }
+
+    clock_type::time_point t3 = clock_type::now();
+
+    long long ms1 = std::chrono::duration_cast<std::chrono::milliseconds>( t2 - t1 ).count();
+    long long ms2 = std::chrono::duration_cast<std::chrono::milliseconds>( t3 - t2 ).count();
+
+    std::size_t n = s.bucket_count();
+    std::size_t m = 0;
+    std::size_t c = 0;
+
+    for( std::size_t i = 0; i < n; ++i )
+    {
+        std::size_t k = s.bucket_size( i );
+
+        if( k > 1 )
+        {
+            c += k - 1;
+        }
+
+        if( k > m )
+        {
+            m = k;
+        }
+    }
+
+#if defined( _MSC_VER )
+
+    std::printf( "%25s : n=%Iu, m=%Iu, c=%Iu, q=%Iu, %lld + %lld ms\n", hash, n, m, c, q, ms1, ms2 );
+
+#else
+
+    std::printf( "%25s : n=%zu, m=%zu, c=%zu, q=%zu, %lld + %lld ms\n", hash, n, m, c, q, ms1, ms2 );
+
+#endif
+}
+
+template<class K, class H, class V> void test_container_speed( int N, V const& v )
+{
+    boost::unordered_set<K, H> s( 0 );
+    test4( N, v, boost::core::type_name<H>().c_str(), s );
+}
+
+int main()
+{
+    int const N = 1048576 / 2; // 1048576 is too much for 32 bit
+
+    std::vector<std::string> v;
+
+    {
+        v.reserve( N * 16 );
+
+        boost::detail::splitmix64 rnd;
+
+        for( int i = 0; i < 16 * N; ++i )
+        {
+            char buffer[ 64 ];
+
+            unsigned long long k = rnd();
+
+            if( k & 1 )
+            {
+                sprintf( buffer, "prefix_%llu_suffix", k );
+            }
+            else
+            {
+                sprintf( buffer, "{%u}", static_cast<unsigned>( k ) );
+            }
+
+            v.push_back( buffer );
+        }
+    }
+
+    std::puts( "Hash speed test:\n" );
+
+    test_hash_speed<mul31_hash>( N * 16, v );
+    test_hash_speed<mul31_unrolled_hash>( N * 16, v );
+    test_hash_speed<fnv1a_hash>( N * 16, v );
+    test_hash_speed<old_boost_hash>( N * 16, v );
+    test_hash_speed<boost::hash<std::string> >( N * 16, v );
+    test_hash_speed<std::hash<std::string> >( N * 16, v );
+
+    std::puts( "" );
+
+    std::puts( "Hash collision test:\n" );
+
+    {
+        std::size_t n = 0;
+
+        {
+            boost::unordered_set<std::string> s;
+
+            for( int i = 0; i < N * 16; ++i )
+            {
+                s.insert( v[i] );
+            }
+
+            n = s.size();
+        }
+
+        test_hash_collision<mul31_hash>( N * 16, v, n );
+        test_hash_collision<mul31_unrolled_hash>( N * 16, v, n );
+        test_hash_collision<fnv1a_hash>( N * 16, v, n );
+        test_hash_collision<old_boost_hash>( N * 16, v, n );
+        test_hash_collision<boost::hash<std::string> >( N * 16, v, n );
+        test_hash_collision<std::hash<std::string> >( N * 16, v, n );
+    }
+
+    std::puts( "" );
+
+    typedef std::string K;
+
+    std::puts( "Container speed test:\n" );
+
+    test_container_speed<K, mul31_hash>( N, v );
+    test_container_speed<K, mul31_unrolled_hash>( N, v );
+    test_container_speed<K, fnv1a_hash>( N, v );
+    test_container_speed<K, old_boost_hash>( N, v );
+    test_container_speed<K, boost::hash<std::string> >( N, v );
+    test_container_speed<K, std::hash<std::string> >( N, v );
+
+    std::puts( "" );
+}

examples/Jamfile.v2

@@ -6,4 +6,4 @@
 run books.cpp ;
 run point.cpp ;
 run portable.cpp ;
-run template.cpp ;
+run template.cpp : : : <toolset>msvc-8.0:<build>no ;

include/boost/container_hash/detail/float_functions.hpp

@@ -1,336 +0,0 @@
-
-// Copyright 2005-2009 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)
-
-#if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_FLOAT_FUNCTIONS_HPP)
-#define BOOST_FUNCTIONAL_HASH_DETAIL_FLOAT_FUNCTIONS_HPP
-
-#include <boost/config.hpp>
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
-#include <boost/config/no_tr1/cmath.hpp>
-
-// Set BOOST_HASH_CONFORMANT_FLOATS to 1 for libraries known to have
-// sufficiently good floating point support to not require any
-// workarounds.
-//
-// When set to 0, the library tries to automatically
-// use the best available implementation. This normally works well, but
-// breaks when ambiguities are created by odd namespacing of the functions.
-//
-// Note that if this is set to 0, the library should still take full
-// advantage of the platform's floating point support.
-
-#if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
-#   define BOOST_HASH_CONFORMANT_FLOATS 0
-#elif defined(__LIBCOMO__)
-#   define BOOST_HASH_CONFORMANT_FLOATS 0
-#elif defined(__STD_RWCOMPILER_H__) || defined(_RWSTD_VER)
-// Rogue Wave library:
-#   define BOOST_HASH_CONFORMANT_FLOATS 0
-#elif defined(_LIBCPP_VERSION)
-// libc++
-#   define BOOST_HASH_CONFORMANT_FLOATS 1
-#elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
-// GNU libstdc++ 3
-#   if defined(__GNUC__) && __GNUC__ >= 4
-#       define BOOST_HASH_CONFORMANT_FLOATS 1
-#   else
-#       define BOOST_HASH_CONFORMANT_FLOATS 0
-#   endif
-#elif defined(__STL_CONFIG_H)
-// generic SGI STL
-#   define BOOST_HASH_CONFORMANT_FLOATS 0
-#elif defined(__MSL_CPP__)
-// MSL standard lib:
-#   define BOOST_HASH_CONFORMANT_FLOATS 0
-#elif defined(__IBMCPP__)
-// VACPP std lib (probably conformant for much earlier version).
-#   if __IBMCPP__ >= 1210
-#       define BOOST_HASH_CONFORMANT_FLOATS 1
-#   else
-#       define BOOST_HASH_CONFORMANT_FLOATS 0
-#   endif
-#elif defined(MSIPL_COMPILE_H)
-// Modena C++ standard library
-#   define BOOST_HASH_CONFORMANT_FLOATS 0
-#elif (defined(_YVALS) && !defined(__IBMCPP__)) || defined(_CPPLIB_VER)
-// Dinkumware Library (this has to appear after any possible replacement libraries):
-#   if _CPPLIB_VER >= 405
-#       define BOOST_HASH_CONFORMANT_FLOATS 1
-#   else
-#       define BOOST_HASH_CONFORMANT_FLOATS 0
-#   endif
-#else
-#   define BOOST_HASH_CONFORMANT_FLOATS 0
-#endif
-
-#if BOOST_HASH_CONFORMANT_FLOATS
-
-// The standard library is known to be compliant, so don't use the
-// configuration mechanism.
-
-namespace boost {
-    namespace hash_detail {
-        template <typename Float>
-        struct call_ldexp {
-            typedef Float float_type;
-            inline Float operator()(Float x, int y) const {
-                return std::ldexp(x, y);
-            }
-        };
-
-        template <typename Float>
-        struct call_frexp {
-            typedef Float float_type;
-            inline Float operator()(Float x, int* y) const {
-                return std::frexp(x, y);
-            }
-        };
-
-        template <typename Float>
-        struct select_hash_type
-        {
-            typedef Float type;
-        };
-    }
-}
-
-#else // BOOST_HASH_CONFORMANT_FLOATS == 0
-
-// The C++ standard requires that the C float functions are overloarded
-// for float, double and long double in the std namespace, but some of the older
-// library implementations don't support this. On some that don't, the C99
-// float functions (frexpf, frexpl, etc.) are available.
-//
-// The following tries to automatically detect which are available.
-
-namespace boost {
-    namespace hash_detail {
-
-        // Returned by dummy versions of the float functions.
-    
-        struct not_found {
-            // Implicitly convertible to float and long double in order to avoid
-            // a compile error when the dummy float functions are used.
-
-            inline operator float() const { return 0; }
-            inline operator long double() const { return 0; }
-        };
-          
-        // A type for detecting the return type of functions.
-
-        template <typename T> struct is;
-        template <> struct is<float> { char x[10]; };
-        template <> struct is<double> { char x[20]; };
-        template <> struct is<long double> { char x[30]; };
-        template <> struct is<boost::hash_detail::not_found> { char x[40]; };
-            
-        // Used to convert the return type of a function to a type for sizeof.
-
-        template <typename T> is<T> float_type(T);
-
-        // call_ldexp
-        //
-        // This will get specialized for float and long double
-        
-        template <typename Float> struct call_ldexp
-        {
-            typedef double float_type;
-            
-            inline double operator()(double a, int b) const
-            {
-                using namespace std;
-                return ldexp(a, b);
-            }
-        };
-
-        // call_frexp
-        //
-        // This will get specialized for float and long double
-
-        template <typename Float> struct call_frexp
-        {
-            typedef double float_type;
-            
-            inline double operator()(double a, int* b) const
-            {
-                using namespace std;
-                return frexp(a, b);
-            }
-        };
-    }
-}
-            
-// A namespace for dummy functions to detect when the actual function we want
-// isn't available. ldexpl, ldexpf etc. might be added tby the macros below.
-//
-// AFAICT these have to be outside of the boost namespace, as if they're in
-// the boost namespace they'll always be preferable to any other function
-// (since the arguments are built in types, ADL can't be used).
-
-namespace boost_hash_detect_float_functions {
-    template <class Float> boost::hash_detail::not_found ldexp(Float, int);
-    template <class Float> boost::hash_detail::not_found frexp(Float, int*);    
-}
-
-// Macros for generating specializations of call_ldexp and call_frexp.
-//
-// check_cpp and check_c99 check if the C++ or C99 functions are available.
-//
-// Then the call_* functions select an appropriate implementation.
-//
-// I used c99_func in a few places just to get a unique name.
-//
-// Important: when using 'using namespace' at namespace level, include as
-// little as possible in that namespace, as Visual C++ has an odd bug which
-// can cause the namespace to be imported at the global level. This seems to
-// happen mainly when there's a template in the same namesapce.
-
-#define BOOST_HASH_CALL_FLOAT_FUNC(cpp_func, c99_func, type1, type2)    \
-namespace boost_hash_detect_float_functions {                           \
-    template <class Float>                                              \
-    boost::hash_detail::not_found c99_func(Float, type2);               \
-}                                                                       \
-                                                                        \
-namespace boost {                                                       \
-    namespace hash_detail {                                             \
-        namespace c99_func##_detect {                                   \
-            using namespace std;                                        \
-            using namespace boost_hash_detect_float_functions;          \
-                                                                        \
-            struct check {                                              \
-                static type1 x;                                         \
-                static type2 y;                                         \
-                BOOST_STATIC_CONSTANT(bool, cpp =                       \
-                    sizeof(float_type(cpp_func(x,y)))                   \
-                        == sizeof(is<type1>));                          \
-                BOOST_STATIC_CONSTANT(bool, c99 =                       \
-                    sizeof(float_type(c99_func(x,y)))                   \
-                        == sizeof(is<type1>));                          \
-            };                                                          \
-        }                                                               \
-                                                                        \
-        template <bool x>                                               \
-        struct call_c99_##c99_func :                                    \
-            boost::hash_detail::call_##cpp_func<double> {};             \
-                                                                        \
-        template <>                                                     \
-        struct call_c99_##c99_func<true> {                              \
-            typedef type1 float_type;                                   \
-                                                                        \
-            template <typename T>                                       \
-            inline type1 operator()(type1 a, T b)  const                \
-            {                                                           \
-                using namespace std;                                    \
-                return c99_func(a, b);                                  \
-            }                                                           \
-        };                                                              \
-                                                                        \
-        template <bool x>                                               \
-        struct call_cpp_##c99_func :                                    \
-            call_c99_##c99_func<                                        \
-                ::boost::hash_detail::c99_func##_detect::check::c99     \
-            > {};                                                       \
-                                                                        \
-        template <>                                                     \
-        struct call_cpp_##c99_func<true> {                              \
-            typedef type1 float_type;                                   \
-                                                                        \
-            template <typename T>                                       \
-            inline type1 operator()(type1 a, T b)  const                \
-            {                                                           \
-                using namespace std;                                    \
-                return cpp_func(a, b);                                  \
-            }                                                           \
-        };                                                              \
-                                                                        \
-        template <>                                                     \
-        struct call_##cpp_func<type1> :                                 \
-            call_cpp_##c99_func<                                        \
-                ::boost::hash_detail::c99_func##_detect::check::cpp     \
-            > {};                                                       \
-    }                                                                   \
-}
-
-#define BOOST_HASH_CALL_FLOAT_MACRO(cpp_func, c99_func, type1, type2)   \
-namespace boost {                                                       \
-    namespace hash_detail {                                             \
-                                                                        \
-        template <>                                                     \
-        struct call_##cpp_func<type1> {                                 \
-            typedef type1 float_type;                                   \
-            inline type1 operator()(type1 x, type2 y) const {           \
-                return c99_func(x, y);                                  \
-            }                                                           \
-        };                                                              \
-    }                                                                   \
-}
-
-#if defined(ldexpf)
-BOOST_HASH_CALL_FLOAT_MACRO(ldexp, ldexpf, float, int)
-#else
-BOOST_HASH_CALL_FLOAT_FUNC(ldexp, ldexpf, float, int)
-#endif
-
-#if defined(ldexpl)
-BOOST_HASH_CALL_FLOAT_MACRO(ldexp, ldexpl, long double, int)
-#else
-BOOST_HASH_CALL_FLOAT_FUNC(ldexp, ldexpl, long double, int)
-#endif
-
-#if defined(frexpf)
-BOOST_HASH_CALL_FLOAT_MACRO(frexp, frexpf, float, int*)
-#else
-BOOST_HASH_CALL_FLOAT_FUNC(frexp, frexpf, float, int*)
-#endif
-
-#if defined(frexpl)
-BOOST_HASH_CALL_FLOAT_MACRO(frexp, frexpl, long double, int*)
-#else
-BOOST_HASH_CALL_FLOAT_FUNC(frexp, frexpl, long double, int*)
-#endif
-
-#undef BOOST_HASH_CALL_FLOAT_MACRO
-#undef BOOST_HASH_CALL_FLOAT_FUNC
-
-
-namespace boost
-{
-    namespace hash_detail
-    {
-        template <typename Float1, typename Float2>
-        struct select_hash_type_impl {
-            typedef double type;
-        };
-
-        template <>
-        struct select_hash_type_impl<float, float> {
-            typedef float type;
-        };
-
-        template <>
-        struct select_hash_type_impl<long double, long double> {
-            typedef long double type;
-        };
-
-
-        // select_hash_type
-        //
-        // If there is support for a particular floating point type, use that
-        // otherwise use double (there's always support for double).
-             
-        template <typename Float>
-        struct select_hash_type : select_hash_type_impl<
-                BOOST_DEDUCED_TYPENAME call_ldexp<Float>::float_type,
-                BOOST_DEDUCED_TYPENAME call_frexp<Float>::float_type
-            > {};            
-    }
-}
-
-#endif // BOOST_HASH_CONFORMANT_FLOATS
-
-#endif

include/boost/container_hash/detail/hash_float.hpp

@@ -1,271 +0,0 @@
-
-// Copyright 2005-2012 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)
-
-#if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_HASH_FLOAT_HEADER)
-#define BOOST_FUNCTIONAL_HASH_DETAIL_HASH_FLOAT_HEADER
-
-#include <boost/config.hpp>
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
-#include <boost/container_hash/detail/float_functions.hpp>
-#include <boost/container_hash/detail/limits.hpp>
-#include <boost/core/enable_if.hpp>
-#include <boost/integer/static_log2.hpp>
-#include <boost/cstdint.hpp>
-#include <boost/assert.hpp>
-#include <boost/limits.hpp>
-#include <cstring>
-
-#if defined(BOOST_MSVC)
-#pragma warning(push)
-#if BOOST_MSVC >= 1400
-#pragma warning(disable:6294) // Ill-defined for-loop: initial condition does
-                              // not satisfy test. Loop body not executed
-#endif
-#endif
-
-// Can we use fpclassify?
-
-// STLport
-#if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
-#define BOOST_HASH_USE_FPCLASSIFY 0
-
-// GNU libstdc++ 3
-#elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
-#  if (defined(__USE_ISOC99) || defined(_GLIBCXX_USE_C99_MATH)) && \
-      !(defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__))
-#    define BOOST_HASH_USE_FPCLASSIFY 1
-#  else
-#    define BOOST_HASH_USE_FPCLASSIFY 0
-#  endif
-
-// Everything else
-#else
-#  define BOOST_HASH_USE_FPCLASSIFY 0
-#endif
-
-namespace boost
-{
-    namespace hash_detail
-    {
-        inline void hash_float_combine(std::size_t& seed, std::size_t value)
-        {
-            seed ^= value + (seed<<6) + (seed>>2);
-        }
-
-        ////////////////////////////////////////////////////////////////////////
-        // Binary hash function
-        //
-        // Only used for floats with known iec559 floats, and certain values in
-        // numeric_limits
-
-        inline std::size_t hash_binary(char* ptr, std::size_t length)
-        {
-            std::size_t seed = 0;
-
-            if (length >= sizeof(std::size_t)) {
-                std::memcpy(&seed, ptr, sizeof(std::size_t));
-                length -= sizeof(std::size_t);
-                ptr += sizeof(std::size_t);
-
-                while(length >= sizeof(std::size_t)) {
-                    std::size_t buffer = 0;
-                    std::memcpy(&buffer, ptr, sizeof(std::size_t));
-                    hash_float_combine(seed, buffer);
-                    length -= sizeof(std::size_t);
-                    ptr += sizeof(std::size_t);
-                }
-            }
-
-            if (length > 0) {
-                std::size_t buffer = 0;
-                std::memcpy(&buffer, ptr, length);
-                hash_float_combine(seed, buffer);
-            }
-
-            return seed;
-        }
-
-        template <typename Float, unsigned digits, unsigned max_exponent>
-        struct enable_binary_hash
-        {
-            BOOST_STATIC_CONSTANT(bool, value =
-                std::numeric_limits<Float>::is_iec559 &&
-                std::numeric_limits<Float>::digits == digits &&
-                std::numeric_limits<Float>::radix == 2 &&
-                std::numeric_limits<Float>::max_exponent == max_exponent);
-        };
-
-        template <typename Float>
-        inline std::size_t float_hash_impl(Float v,
-            BOOST_DEDUCED_TYPENAME boost::enable_if_c<
-                enable_binary_hash<Float, 24, 128>::value,
-                std::size_t>::type)
-        {
-            return hash_binary((char*) &v, 4);
-        }
-
-
-        template <typename Float>
-        inline std::size_t float_hash_impl(Float v,
-            BOOST_DEDUCED_TYPENAME boost::enable_if_c<
-                enable_binary_hash<Float, 53, 1024>::value,
-                std::size_t>::type)
-        {
-            return hash_binary((char*) &v, 8);
-        }
-
-        template <typename Float>
-        inline std::size_t float_hash_impl(Float v,
-            BOOST_DEDUCED_TYPENAME boost::enable_if_c<
-                enable_binary_hash<Float, 64, 16384>::value,
-                std::size_t>::type)
-        {
-            return hash_binary((char*) &v, 10);
-        }
-
-        template <typename Float>
-        inline std::size_t float_hash_impl(Float v,
-            BOOST_DEDUCED_TYPENAME boost::enable_if_c<
-                enable_binary_hash<Float, 113, 16384>::value,
-                std::size_t>::type)
-        {
-            return hash_binary((char*) &v, 16);
-        }
-
-        ////////////////////////////////////////////////////////////////////////
-        // Portable hash function
-        //
-        // Used as a fallback when the binary hash function isn't supported.
-
-        template <class T>
-        inline std::size_t float_hash_impl2(T v)
-        {
-            boost::hash_detail::call_frexp<T> frexp;
-            boost::hash_detail::call_ldexp<T> ldexp;
-
-            int exp = 0;
-
-            v = frexp(v, &exp);
-
-            // A postive value is easier to hash, so combine the
-            // sign with the exponent and use the absolute value.
-            if(v < 0) {
-                v = -v;
-                exp += limits<T>::max_exponent -
-                    limits<T>::min_exponent;
-            }
-
-            v = ldexp(v, limits<std::size_t>::digits);
-            std::size_t seed = static_cast<std::size_t>(v);
-            v -= static_cast<T>(seed);
-
-            // ceiling(digits(T) * log2(radix(T))/ digits(size_t)) - 1;
-            std::size_t const length
-                = (limits<T>::digits *
-                        boost::static_log2<limits<T>::radix>::value
-                        + limits<std::size_t>::digits - 1)
-                / limits<std::size_t>::digits;
-
-            for(std::size_t i = 0; i != length; ++i)
-            {
-                v = ldexp(v, limits<std::size_t>::digits);
-                std::size_t part = static_cast<std::size_t>(v);
-                v -= static_cast<T>(part);
-                hash_float_combine(seed, part);
-            }
-
-            hash_float_combine(seed, static_cast<std::size_t>(exp));
-
-            return seed;
-        }
-
-#if !defined(BOOST_HASH_DETAIL_TEST_WITHOUT_GENERIC)
-        template <class T>
-        inline std::size_t float_hash_impl(T v, ...)
-        {
-            typedef BOOST_DEDUCED_TYPENAME select_hash_type<T>::type type;
-            return float_hash_impl2(static_cast<type>(v));
-        }
-#endif
-    }
-}
-
-#if BOOST_HASH_USE_FPCLASSIFY
-
-#include <boost/config/no_tr1/cmath.hpp>
-
-namespace boost
-{
-    namespace hash_detail
-    {
-        template <class T>
-        inline std::size_t float_hash_value(T v)
-        {
-#if defined(fpclassify)
-            switch (fpclassify(v))
-#elif BOOST_HASH_CONFORMANT_FLOATS
-            switch (std::fpclassify(v))
-#else
-            using namespace std;
-            switch (fpclassify(v))
-#endif
-            {
-            case FP_ZERO:
-                return 0;
-            case FP_INFINITE:
-                return (std::size_t)(v > 0 ? -1 : -2);
-            case FP_NAN:
-                return (std::size_t)(-3);
-            case FP_NORMAL:
-            case FP_SUBNORMAL:
-                return float_hash_impl(v, 0);
-            default:
-                BOOST_ASSERT(0);
-                return 0;
-            }
-        }
-    }
-}
-
-#else // !BOOST_HASH_USE_FPCLASSIFY
-
-namespace boost
-{
-    namespace hash_detail
-    {
-        template <class T>
-        inline bool is_zero(T v)
-        {
-#if !defined(__GNUC__) && !defined(__clang__)
-            return v == 0;
-#else
-            // GCC's '-Wfloat-equal' will complain about comparing
-            // v to 0, but because it disables warnings for system
-            // headers it won't complain if you use std::equal_to to
-            // compare with 0. Resulting in this silliness:
-            return std::equal_to<T>()(v, 0);
-#endif
-        }
-
-        template <class T>
-        inline std::size_t float_hash_value(T v)
-        {
-            return boost::hash_detail::is_zero(v) ? 0 : float_hash_impl(v, 0);
-        }
-    }
-}
-
-#endif // BOOST_HASH_USE_FPCLASSIFY
-
-#undef BOOST_HASH_USE_FPCLASSIFY
-
-#if defined(BOOST_MSVC)
-#pragma warning(pop)
-#endif
-
-#endif

include/boost/container_hash/detail/hash_tuple.hpp

@@ -0,0 +1,133 @@
+// Copyright 2005-2009 Daniel James.
+// Copyright 2021 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_HASH_DETAIL_HASH_TUPLE_LIKE_HPP
+#define BOOST_HASH_DETAIL_HASH_TUPLE_LIKE_HPP
+
+#include <boost/container_hash/hash_fwd.hpp>
+#include <boost/type_traits/enable_if.hpp>
+#include <boost/config.hpp>
+
+#if defined(BOOST_NO_CXX11_HDR_TUPLE)
+
+// no support
+
+#else
+
+#include <tuple>
+
+namespace boost
+{
+namespace hash_detail
+{
+
+template <std::size_t I, typename T>
+inline typename boost::enable_if_<(I == std::tuple_size<T>::value),
+        void>::type
+    hash_combine_tuple(std::size_t&, T const&)
+{
+}
+
+template <std::size_t I, typename T>
+inline typename boost::enable_if_<(I < std::tuple_size<T>::value),
+        void>::type
+    hash_combine_tuple(std::size_t& seed, T const& v)
+{
+    boost::hash_combine(seed, std::get<I>(v));
+    boost::hash_detail::hash_combine_tuple<I + 1>(seed, v);
+}
+
+template <typename T>
+inline std::size_t hash_tuple(T const& v)
+{
+    std::size_t seed = 0;
+    boost::hash_detail::hash_combine_tuple<0>(seed, v);
+    return seed;
+}
+
+} // namespace hash_detail
+
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+
+template <typename... T>
+inline std::size_t hash_value(std::tuple<T...> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+#else
+
+inline std::size_t hash_value(std::tuple<> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0>
+inline std::size_t hash_value(std::tuple<A0> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1>
+inline std::size_t hash_value(std::tuple<A0, A1> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1, typename A2>
+inline std::size_t hash_value(std::tuple<A0, A1, A2> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1, typename A2, typename A3>
+inline std::size_t hash_value(std::tuple<A0, A1, A2, A3> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1, typename A2, typename A3, typename A4>
+inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
+inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
+inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5, A6> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5, A6, A7> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
+inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> const& v)
+{
+    return boost::hash_detail::hash_tuple(v);
+}
+
+#endif // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+
+} // namespace boost
+
+#endif // #if defined(BOOST_NO_CXX11_HDR_TUPLE)
+
+#endif // #ifndef BOOST_HASH_DETAIL_HASH_TUPLE_LIKE_HPP

include/boost/container_hash/detail/is_contiguous_range.hpp

@@ -0,0 +1,81 @@
+// Copyright 2017, 2018 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_HASH_DETAIL_IS_CONTIGUOUS_RANGE_HPP_INCLUDED
+#define BOOST_HASH_DETAIL_IS_CONTIGUOUS_RANGE_HPP_INCLUDED
+
+#include <boost/type_traits/integral_constant.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
+
+#if !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR) && !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+
+#include <boost/type_traits/is_integral.hpp>
+#include <boost/type_traits/declval.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <iterator>
+
+namespace boost
+{
+namespace hash_detail
+{
+
+template<class It, class T, class S>
+    integral_constant< bool, is_same<typename std::iterator_traits<It>::value_type, T>::value && is_integral<S>::value >
+        is_contiguous_range_check( It first, It last, T const*, T const*, S );
+
+template<class T> decltype( is_contiguous_range_check( declval<T const&>().begin(), declval<T const&>().end(), declval<T const&>().data(), declval<T const&>().data() + declval<T const&>().size(), declval<T const&>().size() ) ) is_contiguous_range_( int );
+template<class T> false_type is_contiguous_range_( ... );
+
+template<class T> struct is_contiguous_range: decltype( hash_detail::is_contiguous_range_<T>( 0 ) )
+{
+};
+
+} // namespace hash_detail
+} // namespace boost
+
+#else // !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR)
+
+#include <cstddef>
+#include <vector>
+#include <string>
+#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
+#include <array>
+#endif
+
+namespace boost
+{
+namespace hash_detail
+{
+
+template<class T> struct is_contiguous_range: false_type
+{
+};
+
+template<class E, class T, class A> struct is_contiguous_range< std::basic_string<E, T, A> >: true_type
+{
+};
+
+template<class E, class T, class A> struct is_contiguous_range< std::basic_string<E, T, A> const >: true_type
+{
+};
+
+#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
+
+template<class T, std::size_t N> struct is_contiguous_range< std::array<T, N> >: true_type
+{
+};
+
+template<class T, std::size_t N> struct is_contiguous_range< std::array<T, N> const >: true_type
+{
+};
+
+#endif
+
+} // namespace hash_detail
+} // namespace boost
+
+#endif // !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR)
+
+#endif // #ifndef BOOST_HASH_DETAIL_IS_CONTIGUOUS_RANGE_HPP_INCLUDED

include/boost/container_hash/detail/is_range.hpp

@@ -0,0 +1,57 @@
+// Copyright 2017 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_HASH_DETAIL_IS_RANGE_HPP_INCLUDED
+#define BOOST_HASH_DETAIL_IS_RANGE_HPP_INCLUDED
+
+#include <boost/type_traits/integral_constant.hpp>
+#include <boost/type_traits/is_integral.hpp>
+#include <boost/type_traits/declval.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/remove_cv.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
+#include <iterator>
+
+namespace boost
+{
+namespace hash_detail
+{
+
+#if !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR) && !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+
+template<class T, class It>
+    integral_constant< bool, !is_same<typename remove_cv<T>::type, typename std::iterator_traits<It>::value_type>::value >
+        is_range_check( It first, It last );
+
+template<class T> decltype( is_range_check<T>( declval<T const&>().begin(), declval<T const&>().end() ) ) is_range_( int );
+template<class T> false_type is_range_( ... );
+
+template<class T> struct is_range: decltype( is_range_<T>( 0 ) )
+{
+};
+
+#else
+
+template<class T, class E = true_type> struct is_range_: false_type
+{
+};
+
+template<class T> struct is_range_< T, integral_constant< bool,
+        is_same<typename T::value_type, typename std::iterator_traits<typename T::const_iterator>::value_type>::value &&
+        is_integral<typename T::size_type>::value
+    > >: true_type
+{
+};
+
+template<class T> struct is_range: is_range_<T>
+{
+};
+
+#endif // !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR)
+
+} // namespace hash_detail
+} // namespace boost
+
+#endif // #ifndef BOOST_HASH_DETAIL_IS_RANGE_HPP_INCLUDED

include/boost/container_hash/detail/is_unordered_range.hpp

@@ -0,0 +1,34 @@
+// Copyright 2017 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_HASH_DETAIL_IS_UNORDERED_RANGE_HPP_INCLUDED
+#define BOOST_HASH_DETAIL_IS_UNORDERED_RANGE_HPP_INCLUDED
+
+#include <boost/container_hash/detail/is_range.hpp>
+#include <boost/type_traits/integral_constant.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+namespace boost
+{
+namespace hash_detail
+{
+
+template<class T, class E = true_type> struct has_hasher_: false_type
+{
+};
+
+template<class T> struct has_hasher_< T, integral_constant< bool,
+        is_same<typename T::hasher, typename T::hasher>::value
+    > >: true_type
+{
+};
+
+template<class T> struct is_unordered_range: integral_constant< bool, is_range<T>::value && has_hasher_<T>::value >
+{
+};
+
+} // namespace hash_detail
+} // namespace boost
+
+#endif // #ifndef BOOST_HASH_DETAIL_IS_UNORDERED_RANGE_HPP_INCLUDED

include/boost/container_hash/detail/limits.hpp

@@ -1,28 +1,11 @@
-
 // Copyright 2005-2009 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)
-//
-// On some platforms std::limits gives incorrect values for long double.
-// This tries to work around them.
 
-#if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER)
+#ifndef BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER
 #define BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER
 
-#include <boost/config.hpp>
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
-#include <boost/limits.hpp>
-
-// On OpenBSD, numeric_limits is not reliable for long doubles, but
-// the macros defined in <float.h> are and support long double when STLport
-// doesn't.
-
-#if defined(__OpenBSD__) || defined(_STLP_NO_LONG_DOUBLE)
-#include <float.h>
-#endif
+#include <limits>
 
 namespace boost
 {
@@ -30,33 +13,7 @@ namespace boost
     {
         template <class T>
         struct limits : std::numeric_limits<T> {};
-
-#if defined(__OpenBSD__) || defined(_STLP_NO_LONG_DOUBLE)
-        template <>
-        struct limits<long double>
-             : std::numeric_limits<long double>
-        {
-            static long double epsilon() {
-                return LDBL_EPSILON;
-            }
-
-            static long double (max)() {
-                return LDBL_MAX;
-            }
-
-            static long double (min)() {
-                return LDBL_MIN;
-            }
-
-            BOOST_STATIC_CONSTANT(int, digits = LDBL_MANT_DIG);
-            BOOST_STATIC_CONSTANT(int, max_exponent = LDBL_MAX_EXP);
-            BOOST_STATIC_CONSTANT(int, min_exponent = LDBL_MIN_EXP);
-#if defined(_STLP_NO_LONG_DOUBLE)
-            BOOST_STATIC_CONSTANT(int, radix = FLT_RADIX);
-#endif
-        };
-#endif // __OpenBSD__
     }
 }
 
-#endif
+#endif // #ifndef BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER

include/boost/container_hash/extensions.hpp

@@ -1,361 +1,10 @@
-
 // Copyright 2005-2009 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)
 
-//  Based on Peter Dimov's proposal
-//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
-//  issue 6.18.
-
-// This implements the extensions to the standard.
-// It's undocumented, so you shouldn't use it....
-
-#if !defined(BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP)
+#ifndef BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP
 #define BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP
 
-#include <boost/config.hpp>
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
 #include <boost/container_hash/hash.hpp>
-#include <boost/detail/container_fwd.hpp>
-#include <boost/core/enable_if.hpp>
-#include <boost/static_assert.hpp>
 
-#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
-#   include <array>
-#endif
-
-#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
-#   include <tuple>
-#endif
-
-#include <memory>
-
-#if defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
-#include <boost/type_traits/is_array.hpp>
-#endif
-
-namespace boost
-{
-    template <class A, class B>
-    std::size_t hash_value(std::pair<A, B> const&);
-    template <class T, class A>
-    std::size_t hash_value(std::vector<T, A> const&);
-    template <class T, class A>
-    std::size_t hash_value(std::list<T, A> const& v);
-    template <class T, class A>
-    std::size_t hash_value(std::deque<T, A> const& v);
-    template <class K, class C, class A>
-    std::size_t hash_value(std::set<K, C, A> const& v);
-    template <class K, class C, class A>
-    std::size_t hash_value(std::multiset<K, C, A> const& v);
-    template <class K, class T, class C, class A>
-    std::size_t hash_value(std::map<K, T, C, A> const& v);
-    template <class K, class T, class C, class A>
-    std::size_t hash_value(std::multimap<K, T, C, A> const& v);
-
-    template <class T>
-    std::size_t hash_value(std::complex<T> const&);
-
-    template <class A, class B>
-    std::size_t hash_value(std::pair<A, B> const& v)
-    {
-        std::size_t seed = 0;
-        boost::hash_combine(seed, v.first);
-        boost::hash_combine(seed, v.second);
-        return seed;
-    }
-
-    template <class T, class A>
-    std::size_t hash_value(std::vector<T, A> const& v)
-    {
-        return boost::hash_range(v.begin(), v.end());
-    }
-
-    template <class T, class A>
-    std::size_t hash_value(std::list<T, A> const& v)
-    {
-        return boost::hash_range(v.begin(), v.end());
-    }
-
-    template <class T, class A>
-    std::size_t hash_value(std::deque<T, A> const& v)
-    {
-        return boost::hash_range(v.begin(), v.end());
-    }
-
-    template <class K, class C, class A>
-    std::size_t hash_value(std::set<K, C, A> const& v)
-    {
-        return boost::hash_range(v.begin(), v.end());
-    }
-
-    template <class K, class C, class A>
-    std::size_t hash_value(std::multiset<K, C, A> const& v)
-    {
-        return boost::hash_range(v.begin(), v.end());
-    }
-
-    template <class K, class T, class C, class A>
-    std::size_t hash_value(std::map<K, T, C, A> const& v)
-    {
-        return boost::hash_range(v.begin(), v.end());
-    }
-
-    template <class K, class T, class C, class A>
-    std::size_t hash_value(std::multimap<K, T, C, A> const& v)
-    {
-        return boost::hash_range(v.begin(), v.end());
-    }
-
-    template <class T>
-    std::size_t hash_value(std::complex<T> const& v)
-    {
-        boost::hash<T> hasher;
-        std::size_t seed = hasher(v.imag());
-        seed ^= hasher(v.real()) + (seed<<6) + (seed>>2);
-        return seed;
-    }
-
-#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
-    template <class T, std::size_t N>
-    std::size_t hash_value(std::array<T, N> const& v)
-    {
-        return boost::hash_range(v.begin(), v.end());
-    }
-#endif
-
-#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
-    namespace hash_detail {
-        template <std::size_t I, typename T>
-        inline typename boost::enable_if_c<(I == std::tuple_size<T>::value),
-                void>::type
-            hash_combine_tuple(std::size_t&, T const&)
-        {
-        }
-
-        template <std::size_t I, typename T>
-        inline typename boost::enable_if_c<(I < std::tuple_size<T>::value),
-                void>::type
-            hash_combine_tuple(std::size_t& seed, T const& v)
-        {
-            boost::hash_combine(seed, std::get<I>(v));
-            boost::hash_detail::hash_combine_tuple<I + 1>(seed, v);
-        }
-
-        template <typename T>
-        inline std::size_t hash_tuple(T const& v)
-        {
-            std::size_t seed = 0;
-            boost::hash_detail::hash_combine_tuple<0>(seed, v);
-            return seed;
-        }
-    }
-
-#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
-    template <typename... T>
-    inline std::size_t hash_value(std::tuple<T...> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-#else
-
-    inline std::size_t hash_value(std::tuple<> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0>
-    inline std::size_t hash_value(std::tuple<A0> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1>
-    inline std::size_t hash_value(std::tuple<A0, A1> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1, typename A2>
-    inline std::size_t hash_value(std::tuple<A0, A1, A2> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1, typename A2, typename A3>
-    inline std::size_t hash_value(std::tuple<A0, A1, A2, A3> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1, typename A2, typename A3, typename A4>
-    inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
-    inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
-    inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5, A6> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
-    inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5, A6, A7> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
-    inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-    template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
-    inline std::size_t hash_value(std::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> const& v)
-    {
-        return boost::hash_detail::hash_tuple(v);
-    }
-
-#endif
-
-#endif
-
-#if !defined(BOOST_NO_CXX11_SMART_PTR)
-    template <typename T>
-    inline std::size_t hash_value(std::shared_ptr<T> const& x) {
-        return boost::hash_value(x.get());
-    }
-
-    template <typename T, typename Deleter>
-    inline std::size_t hash_value(std::unique_ptr<T, Deleter> const& x) {
-        return boost::hash_value(x.get());
-    }
-#endif
-
-    //
-    // call_hash_impl
-    //
-
-    // On compilers without function template ordering, this deals with arrays.
-
-#if defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
-    namespace hash_detail
-    {
-        template <bool IsArray>
-        struct call_hash_impl
-        {
-            template <class T>
-            struct inner
-            {
-                static std::size_t call(T const& v)
-                {
-                    using namespace boost;
-                    return hash_value(v);
-                }
-            };
-        };
-
-        template <>
-        struct call_hash_impl<true>
-        {
-            template <class Array>
-            struct inner
-            {
-                static std::size_t call(Array const& v)
-                {
-                    const int size = sizeof(v) / sizeof(*v);
-                    return boost::hash_range(v, v + size);
-                }
-            };
-        };
-
-        template <class T>
-        struct call_hash
-            : public call_hash_impl<boost::is_array<T>::value>
-                ::BOOST_NESTED_TEMPLATE inner<T>
-        {
-        };
-    }
-#endif // BOOST_NO_FUNCTION_TEMPLATE_ORDERING
-
-    //
-    // boost::hash
-    //
-
-
-#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
-
-    template <class T> struct hash
-        : boost::hash_detail::hash_base<T>
-    {
-#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
-        std::size_t operator()(T const& val) const
-        {
-            return hash_value(val);
-        }
-#else
-        std::size_t operator()(T const& val) const
-        {
-            return hash_detail::call_hash<T>::call(val);
-        }
-#endif
-    };
-
-#if BOOST_WORKAROUND(__DMC__, <= 0x848)
-    template <class T, unsigned int n> struct hash<T[n]>
-        : boost::hash_detail::hash_base<T[n]>
-    {
-        std::size_t operator()(const T* val) const
-        {
-            return boost::hash_range(val, val+n);
-        }
-    };
-#endif
-
-#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-
-    // On compilers without partial specialization, boost::hash<T>
-    // has already been declared to deal with pointers, so just
-    // need to supply the non-pointer version of hash_impl.
-
-    namespace hash_detail
-    {
-        template <bool IsPointer>
-        struct hash_impl;
-
-        template <>
-        struct hash_impl<false>
-        {
-            template <class T>
-            struct inner
-                : boost::hash_detail::hash_base<T>
-            {
-#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
-                std::size_t operator()(T const& val) const
-                {
-                    return hash_value(val);
-                }
-#else
-                std::size_t operator()(T const& val) const
-                {
-                    return hash_detail::call_hash<T>::call(val);
-                }
-#endif
-            };
-        };
-    }
-#endif  // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-}
-
-#endif
+#endif // #ifndef BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP

include/boost/container_hash/hash_fwd.hpp

@@ -1,23 +1,13 @@
-
 // Copyright 2005-2009 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)
+// Copyright 2021 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
 
-//  Based on Peter Dimov's proposal
-//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
-//  issue 6.18. 
-
-#if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP)
+#ifndef BOOST_FUNCTIONAL_HASH_FWD_HPP
 #define BOOST_FUNCTIONAL_HASH_FWD_HPP
 
-#include <boost/config/workaround.hpp>
 #include <cstddef>
 
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
-
 namespace boost
 {
     template <class T> struct hash;
@@ -27,10 +17,8 @@ namespace boost
     template <class It> std::size_t hash_range(It, It);
     template <class It> void hash_range(std::size_t&, It, It);
 
-#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x551))
-    template <class T> inline std::size_t hash_range(T*, T*);
-    template <class T> inline void hash_range(std::size_t&, T*, T*);
-#endif
+    template <class It> std::size_t hash_unordered_range(It, It);
+    template <class It> void hash_unordered_range(std::size_t&, It, It);
 }
 
-#endif
+#endif // #ifndef BOOST_FUNCTIONAL_HASH_FWD_HPP

test/CMakeLists.txt

@@ -0,0 +1,11 @@
+# Copyright 2018, 2019, 2021 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(BoostTestJamfile OPTIONAL RESULT_VARIABLE HAVE_BOOST_TEST)
+
+if(HAVE_BOOST_TEST)
+
+boost_test_jamfile(FILE Jamfile.v2 LINK_LIBRARIES Boost::container_hash Boost::core Boost::utility)
+
+endif()

test/Jamfile.v2

@@ -1,88 +1,83 @@
-
 # Copyright 2005-2012 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)
+# Copyright 2022 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# https://www.boost.org/LICENSE_1_0.txt
 
 import testing ;
 
+local gcc-flags = -Wunused-parameter -Wconversion -Wsign-conversion -Wfloat-equal -Wshadow -Wno-variadic-macros ;
+local clang-flags = $(gcc-flags) -Wno-c99-extensions ;
+
 project hash-tests
     : requirements
         <warnings>pedantic
         <toolset>intel:<warnings>on
-        <toolset>gcc:<cxxflags>"-Wstrict-aliasing -Wsign-promo -Wunused-parameter -Wconversion -Wfloat-equal -Wshadow"
-        <toolset>darwin:<cxxflags>"-Wstrict-aliasing -Wsign-promo -Wunused-parameter -Wconversion -Wfloat-equal -Wshadow"
-        <toolset>clang:<cxxflags>"-Wstrict-aliasing -Wsign-promo -Wunused-parameter -Wsign-conversion -Wconversion -Wfloat-equal -Wshadow"
+        <toolset>gcc:<cxxflags>$(gcc-flags)
+        <toolset>darwin:<cxxflags>$(gcc-flags)
+        <toolset>clang:<cxxflags>$(clang-flags)
         <toolset>msvc:<warnings-as-errors>on
         <toolset>gcc:<warnings-as-errors>on
         <toolset>clang:<warnings-as-errors>on
     ;
 
-test-suite container_hash/hash
-    :
-        [ run hash_info.cpp : : : <test-info>always_show_run_output ]
-        [ compile check_float_funcs.cpp ]
-        [ run hash_fwd_test_1.cpp ]
-        [ run hash_fwd_test_2.cpp ]
-        [ run hash_number_test.cpp ]
-        [ run hash_enum_test.cpp ]
-        [ run hash_pointer_test.cpp ]
-        [ run hash_function_pointer_test.cpp ]
-        [ run hash_float_test.cpp ]
-        [ run hash_long_double_test.cpp ]
-        [ run hash_string_test.cpp ]
-        [ run hash_range_test.cpp ]
-        [ run hash_custom_test.cpp ]
-        [ run hash_global_namespace_test.cpp ]
-        [ run hash_friend_test.cpp ]
-        [ run hash_built_in_array_test.cpp ]
-        [ run hash_value_array_test.cpp ]
-        [ run hash_vector_test.cpp ]
-        [ run hash_list_test.cpp ]
-        [ run hash_deque_test.cpp ]
-        [ run hash_set_test.cpp ]
-        [ run hash_map_test.cpp ]
-        [ run hash_complex_test.cpp ]
-        [ run hash_optional_test.cpp ]
-        [ run hash_variant_test.cpp ]
-        [ run hash_type_index_test.cpp ]
-        [ run hash_system_error_test.cpp ]
-        [ run hash_std_array_test.cpp ]
-        [ run hash_std_tuple_test.cpp ]
-        [ run hash_std_smart_ptr_test.cpp ]
-        [ run link_test.cpp link_test_2.cpp ]
-        [ run link_ext_test.cpp link_no_ext_test.cpp ]
-        [ run extensions_hpp_test.cpp ]
-        [ compile-fail hash_no_ext_fail_test.cpp ]
-        [ compile-fail namespace_fail_test.cpp ]
-        [ run implicit_test.cpp ]
-        [ run hash_no_ext_macro_1.cpp ]
-        [ run hash_no_ext_macro_2.cpp ]
-    ;
-
-test-suite container_hash/hash_no_ext
-    :
-        [ run hash_number_test.cpp : : : <define>BOOST_HASH_NO_EXTENSIONS : no_ext_number_test ]
-        [ run hash_pointer_test.cpp : : : <define>BOOST_HASH_NO_EXTENSIONS : no_ext_pointer_test ]
-        [ run hash_function_pointer_test.cpp : : : <define>BOOST_HASH_NO_EXTENSIONS : no_ext_function_pointer_test ]
-        [ run hash_float_test.cpp : : : <define>BOOST_HASH_NO_EXTENSIONS : no_ext_float_test ]
-        [ run hash_long_double_test.cpp : : : <define>BOOST_HASH_NO_EXTENSIONS : no_ext_long_double_test ]
-        [ run hash_string_test.cpp : : : <define>BOOST_HASH_NO_EXTENSIONS : no_ext_string_test ]
-        [ run link_test.cpp link_test_2.cpp : : : <define>BOOST_HASH_NO_EXTENSIONS : no_ext_link_test ]
-    ;
-
-# Tests to see if the floating point hash is using the binary hash.
-# Not run normally because on some platforms these should fail.
-test-suite container_hash/hash_no_generic_float
-    :
-        [ run hash_float_test.cpp
-            : : : <define>BOOST_HASH_DETAIL_TEST_WITHOUT_GENERIC
-            : hash_float_test_no_generic ]
-        [ run hash_long_double_test.cpp
-            : : : <define>BOOST_HASH_DETAIL_TEST_WITHOUT_GENERIC
-            : hash_long_double_test_no_generic ]
-    ;
-explicit container_hash/hash_no_generic_float ;
+run hash_info.cpp : : : <test-info>always_show_run_output ;
+compile check_float_funcs.cpp ;
+run hash_fwd_test_1.cpp ;
+run hash_fwd_test_2.cpp ;
+run hash_number_test.cpp ;
+run hash_enum_test.cpp ;
+run hash_pointer_test.cpp ;
+run hash_function_pointer_test.cpp ;
+run hash_float_test.cpp ;
+run hash_long_double_test.cpp ;
+run hash_string_test.cpp ;
+run hash_range_test.cpp ;
+run hash_custom_test.cpp ;
+run hash_global_namespace_test.cpp ;
+run hash_friend_test.cpp ;
+run hash_built_in_array_test.cpp ;
+run hash_value_array_test.cpp ;
+run hash_vector_test.cpp ;
+run hash_list_test.cpp ;
+run hash_deque_test.cpp ;
+run hash_set_test.cpp ;
+run hash_map_test.cpp ;
+run hash_complex_test.cpp ;
+run hash_optional_test.cpp ;
+run hash_variant_test.cpp ;
+run hash_type_index_test.cpp ;
+run hash_system_error_test.cpp ;
+run hash_std_array_test.cpp ;
+run hash_std_tuple_test.cpp ;
+run hash_std_smart_ptr_test.cpp ;
+run link_test.cpp link_test_2.cpp ;
+run link_ext_test.cpp link_no_ext_test.cpp ;
+run extensions_hpp_test.cpp ;
+compile-fail namespace_fail_test.cpp ;
+run implicit_test.cpp ;
+run hash_no_ext_macro_1.cpp ;
+run hash_no_ext_macro_2.cpp ;
 
 build-project ../examples ;
 
 run hash_reference_values.cpp ;
+
+run detail_is_range_test.cpp ;
+run detail_is_contiguous_range_test.cpp ;
+run detail_is_unordered_range_test.cpp ;
+
+run hash_forward_list_test.cpp ;
+
+run quick.cpp ;
+
+run hash_number_test2.cpp ;
+run hash_integral_test.cpp ;
+run hash_string_test2.cpp ;
+
+# for gcc-4.8
+local fs-path-req = "-<toolset>gcc:<cxxflags>-Wshadow" "-<toolset>gcc:<cxxflags>-Wconversion" ;
+
+run hash_fs_path_test.cpp /boost//filesystem/<warnings>off : : : $(fs-path-req) <toolset>msvc-14.0,<cxxstd>latest:<build>no ;
+run detail_is_range_test2.cpp : : : $(fs-path-req) ;
+
+run hash_container_test.cpp ;

test/cmake_install_test/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright 2018, 2019, 2021 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
+
+cmake_minimum_required(VERSION 3.5...3.20)
+
+project(cmake_install_test LANGUAGES CXX)
+
+find_package(boost_container_hash REQUIRED)
+
+add_executable(quick ../quick.cpp)
+target_link_libraries(quick Boost::container_hash)
+
+enable_testing()
+add_test(quick quick)
+
+add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)

test/cmake_subdir_test/CMakeLists.txt

@@ -0,0 +1,21 @@
+# Copyright 2018, 2019, 2021 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
+
+cmake_minimum_required(VERSION 3.5...3.20)
+
+project(cmake_subdir_test LANGUAGES CXX)
+
+add_subdirectory(../.. boostorg/container_hash)
+
+add_subdirectory(../../../config boostorg/config)
+add_subdirectory(../../../type_traits boostorg/type_traits)
+add_subdirectory(../../../static_assert boostorg/static_assert)
+
+add_executable(quick ../quick.cpp)
+target_link_libraries(quick Boost::container_hash)
+
+enable_testing()
+add_test(quick quick)
+
+add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)

test/detail_is_contiguous_range_test.cpp

@@ -0,0 +1,101 @@
+// Copyright 2017, 2018 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/container_hash/detail/is_contiguous_range.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <boost/config.hpp>
+#include <string>
+#include <vector>
+#include <list>
+#include <deque>
+#include <set>
+#include <map>
+#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
+# include <array>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+# include <forward_list>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET)
+# include <unordered_set>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP)
+# include <unordered_map>
+#endif
+
+struct X
+{
+};
+
+int main()
+{
+    using boost::hash_detail::is_contiguous_range;
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range<void>));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range<void const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range<int>));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range<int const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range<X>));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range<X const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range<int[2]>));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range<int const[2]>));
+
+    BOOST_TEST_TRAIT_TRUE((is_contiguous_range<std::string>));
+    BOOST_TEST_TRAIT_TRUE((is_contiguous_range<std::string const>));
+
+    BOOST_TEST_TRAIT_TRUE((is_contiguous_range<std::wstring>));
+    BOOST_TEST_TRAIT_TRUE((is_contiguous_range<std::wstring const>));
+
+// std::vector doesn't have data() in C++03
+#if !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR) && !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+    BOOST_TEST_TRAIT_TRUE((is_contiguous_range< std::vector<X> >));
+    BOOST_TEST_TRAIT_TRUE((is_contiguous_range< std::vector<X> const >));
+#endif
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::deque<X> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::deque<X> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::set<int> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::set<int> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::multiset<int> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::multiset<int> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::map<int, X> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::map<int, X> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::multimap<int, X> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::multimap<int, X> const >));
+
+#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
+    BOOST_TEST_TRAIT_TRUE((is_contiguous_range< std::array<X, 2> >));
+    BOOST_TEST_TRAIT_TRUE((is_contiguous_range< std::array<X, 2> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::forward_list<X> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::forward_list<X> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET)
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::unordered_set<int> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::unordered_set<int> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::unordered_multiset<int> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::unordered_multiset<int> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP)
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::unordered_map<int, X> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::unordered_map<int, X> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::unordered_multimap<int, X> >));
+    BOOST_TEST_TRAIT_FALSE((is_contiguous_range< std::unordered_multimap<int, X> const >));
+#endif
+
+    return boost::report_errors();
+}

test/detail_is_range_test.cpp

@@ -0,0 +1,98 @@
+// Copyright 2017 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/container_hash/detail/is_range.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <boost/config.hpp>
+#include <string>
+#include <vector>
+#include <list>
+#include <deque>
+#include <set>
+#include <map>
+#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
+# include <array>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+# include <forward_list>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET)
+# include <unordered_set>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP)
+# include <unordered_map>
+#endif
+
+struct X
+{
+};
+
+int main()
+{
+    using boost::hash_detail::is_range;
+
+    BOOST_TEST_TRAIT_FALSE((is_range<void>));
+    BOOST_TEST_TRAIT_FALSE((is_range<void const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_range<int>));
+    BOOST_TEST_TRAIT_FALSE((is_range<int const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_range<X>));
+    BOOST_TEST_TRAIT_FALSE((is_range<X const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_range<int[2]>));
+    BOOST_TEST_TRAIT_FALSE((is_range<int const[2]>));
+
+    BOOST_TEST_TRAIT_TRUE((is_range<std::string>));
+    BOOST_TEST_TRAIT_TRUE((is_range<std::string const>));
+
+    BOOST_TEST_TRAIT_TRUE((is_range<std::wstring>));
+    BOOST_TEST_TRAIT_TRUE((is_range<std::wstring const>));
+
+    BOOST_TEST_TRAIT_TRUE((is_range< std::vector<X> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::vector<X> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_range< std::deque<X> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::deque<X> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_range< std::set<int> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::set<int> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_range< std::multiset<int> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::multiset<int> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_range< std::map<int, X> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::map<int, X> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_range< std::multimap<int, X> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::multimap<int, X> const >));
+
+#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
+    BOOST_TEST_TRAIT_TRUE((is_range< std::array<X, 2> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::array<X, 2> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+    BOOST_TEST_TRAIT_TRUE((is_range< std::forward_list<X> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::forward_list<X> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET)
+    BOOST_TEST_TRAIT_TRUE((is_range< std::unordered_set<int> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::unordered_set<int> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_range< std::unordered_multiset<int> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::unordered_multiset<int> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP)
+    BOOST_TEST_TRAIT_TRUE((is_range< std::unordered_map<int, X> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::unordered_map<int, X> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_range< std::unordered_multimap<int, X> >));
+    BOOST_TEST_TRAIT_TRUE((is_range< std::unordered_multimap<int, X> const >));
+#endif
+
+    return boost::report_errors();
+}

test/detail_is_range_test2.cpp

@@ -0,0 +1,37 @@
+// Copyright 2022 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(_MSC_VER)
+# pragma warning(disable: 4714) // forceinline not inlined
+#endif
+
+#if defined(__GNUC__) || defined(__clang__)
+# pragma GCC diagnostic ignored "-Wsign-conversion"
+#endif
+
+#include <boost/container_hash/detail/is_range.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <boost/config.hpp>
+#include <boost/filesystem/path.hpp>
+
+#if !defined(BOOST_NO_CXX17_HDR_FILESYSTEM) && !defined(__MINGW32__)
+# include <filesystem>
+#endif
+
+int main()
+{
+    using boost::hash_detail::is_range;
+
+    BOOST_TEST_TRAIT_FALSE((is_range< boost::filesystem::path >));
+    BOOST_TEST_TRAIT_FALSE((is_range< boost::filesystem::path const >));
+
+#if !defined(BOOST_NO_CXX17_HDR_FILESYSTEM) && !defined(__MINGW32__)
+
+    BOOST_TEST_TRAIT_FALSE((is_range< std::filesystem::path >));
+    BOOST_TEST_TRAIT_FALSE((is_range< std::filesystem::path const >));
+
+#endif
+
+    return boost::report_errors();
+}

test/detail_is_unordered_range_test.cpp

@@ -0,0 +1,98 @@
+// Copyright 2017 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/container_hash/detail/is_unordered_range.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <boost/config.hpp>
+#include <string>
+#include <vector>
+#include <list>
+#include <deque>
+#include <set>
+#include <map>
+#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
+# include <array>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+# include <forward_list>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET)
+# include <unordered_set>
+#endif
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP)
+# include <unordered_map>
+#endif
+
+struct X
+{
+};
+
+int main()
+{
+    using boost::hash_detail::is_unordered_range;
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<void>));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<void const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<int>));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<int const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<X>));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<X const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<int[2]>));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<int const[2]>));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<std::string>));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<std::string const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<std::wstring>));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range<std::wstring const>));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::vector<X> >));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::vector<X> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::deque<X> >));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::deque<X> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::set<int> >));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::set<int> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::multiset<int> >));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::multiset<int> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::map<int, X> >));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::map<int, X> const >));
+
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::multimap<int, X> >));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::multimap<int, X> const >));
+
+#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::array<X, 2> >));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::array<X, 2> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::forward_list<X> >));
+    BOOST_TEST_TRAIT_FALSE((is_unordered_range< std::forward_list<X> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET)
+    BOOST_TEST_TRAIT_TRUE((is_unordered_range< std::unordered_set<int> >));
+    BOOST_TEST_TRAIT_TRUE((is_unordered_range< std::unordered_set<int> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_unordered_range< std::unordered_multiset<int> >));
+    BOOST_TEST_TRAIT_TRUE((is_unordered_range< std::unordered_multiset<int> const >));
+#endif
+
+#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP)
+    BOOST_TEST_TRAIT_TRUE((is_unordered_range< std::unordered_map<int, X> >));
+    BOOST_TEST_TRAIT_TRUE((is_unordered_range< std::unordered_map<int, X> const >));
+
+    BOOST_TEST_TRAIT_TRUE((is_unordered_range< std::unordered_multimap<int, X> >));
+    BOOST_TEST_TRAIT_TRUE((is_unordered_range< std::unordered_multimap<int, X> const >));
+#endif
+
+    return boost::report_errors();
+}

test/hash_complex_test.cpp

@@ -29,6 +29,7 @@ int main() {}
                                 // 'const std::complex<float>::_Ty'
 #pragma warning(disable:4309)   // truncation of constant value
 #pragma warning(disable:4512)   // assignment operator could not be generated
+#pragma warning(disable:4996)   // std::complex<Integer> is deprecated
 #if BOOST_MSVC < 1400
 #pragma warning(disable:4267)   // conversion from 'size_t' to 'unsigned int',
                                 // possible loss of data
@@ -39,9 +40,10 @@ int main() {}
 #pragma GCC diagnostic ignored "-Wfloat-equal"
 #endif
 
+#include <boost/limits.hpp>
 #include <complex>
 #include <sstream>
-#include <boost/limits.hpp>
+#include <set>
 
 template <class T>
 void generic_complex_tests(std::complex<T> v)
@@ -88,6 +90,21 @@ void complex_integral_tests(Integer*)
     generic_complex_tests(complex(Integer(-543),Integer(763)));
 }
 
+template<class T> void complex_grid_test( short N )
+{
+    std::set<std::size_t> hashes;
+
+    for( short i = 0; i < N; ++i )
+    {
+        for( short j = 0; j < N; ++j )
+        {
+            hashes.insert( boost::hash< std::complex<T> >()( std::complex<T>( i, j ) ) );
+        }
+    }
+
+    BOOST_TEST_EQ( hashes.size(), static_cast<std::size_t>( N * N ) );
+}
+
 int main()
 {
     // I've comments out the short and unsigned short tests
@@ -104,6 +121,11 @@ int main()
     complex_integral_tests((unsigned int*) 0);
     complex_integral_tests((unsigned long*) 0);
 
+    complex_grid_test<int>( 16 );
+    complex_grid_test<float>( 7 );
+    complex_grid_test<double>( 16 );
+    complex_grid_test<long double>( 15 );
+
     return boost::report_errors();
 }
 

test/hash_container_test.cpp

@@ -0,0 +1,52 @@
+// Copyright 2022 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/container_hash/hash.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <vector>
+#include <deque>
+#include <list>
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+# include <forward_list>
+#endif
+
+template<class T> std::size_t hv( T const& t )
+{
+    return boost::hash<T>()( t );
+}
+
+template<class T> void test()
+{
+    for( std::size_t i = 0; i < 8; ++i )
+    {
+        std::vector<T> v( i );
+        std::size_t h0 = hv( v );
+
+        std::deque<T> d( v.begin(), v.end() );
+        BOOST_TEST_EQ( h0, hv( d ) );
+
+        std::list<T> l( v.begin(), v.end() );
+        BOOST_TEST_EQ( h0, hv( l ) );
+
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+
+        std::forward_list<T> f( v.begin(), v.end() );
+        BOOST_TEST_EQ( h0, hv( f ) );
+
+#endif
+    }
+}
+
+int main()
+{
+    test<char>();
+    test<unsigned char>();
+    test<signed char>();
+    test<int>();
+    test<float>();
+    test<double>();
+
+    return boost::report_errors();
+}

test/hash_float_test.hpp

@@ -15,7 +15,6 @@
 
 #include <cmath>
 #include <boost/container_hash/detail/limits.hpp>
-#include <boost/container_hash/detail/float_functions.hpp>
 #include <boost/config/workaround.hpp>
 
 #include <iostream>
@@ -55,19 +54,6 @@ void float_tests(char const* name, T* = 0)
         <<  boost::hash_detail::limits<std::size_t>::digits
         <<  "\n"
         <<  "\n"
-        <<  "boost::hash_detail::call_ldexp<T>::float_type = "
-        <<  float_type(static_cast<BOOST_DEDUCED_TYPENAME
-                boost::hash_detail::call_ldexp<T>::float_type*>(0))
-        <<  "\n"
-        <<  "boost::hash_detail::call_frexp<T>::float_type = "
-        <<  float_type(static_cast<BOOST_DEDUCED_TYPENAME
-                boost::hash_detail::call_frexp<T>::float_type*>(0))
-        <<  "\n"
-        <<  "boost::hash_detail::select_hash_type<T>::type = "
-        <<  float_type(static_cast<BOOST_DEDUCED_TYPENAME
-                boost::hash_detail::select_hash_type<T>::type*>(0))
-        <<  "\n"
-        <<  "\n"
         ;
 
     BOOST_HASH_TEST_NAMESPACE::hash<T> x1;

test/hash_forward_list_test.cpp

@@ -0,0 +1,59 @@
+// Copyright 2021 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(__GNUC__) && __GNUC__ == 8
+# pragma GCC diagnostic ignored "-Wsign-conversion"
+#endif
+
+#include <boost/container_hash/hash.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <boost/config/pragma_message.hpp>
+
+#if defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+
+BOOST_PRAGMA_MESSAGE( "Test skipped, BOOST_NO_CXX11_HDR_FORWARD_LIST is defined" )
+int main() {}
+
+#else
+
+#include <forward_list>
+
+template<class T> void test()
+{
+    typedef std::forward_list<T> list;
+    typedef boost::hash<list> hash;
+
+    int const N = 32;
+
+    std::size_t h[ N ];
+
+    list v;
+
+    for( int i = 0; i < N; ++i )
+    {
+        h[ i ] = hash()( v );
+
+        BOOST_TEST_EQ( h[ i ], hash()( v ) );
+
+        for( int j = 0; j < i; ++j )
+        {
+            BOOST_TEST_NE( h[ j ], h[ i ] );
+        }
+
+        v.push_front( T() );
+    }
+}
+
+int main()
+{
+    test<int>();
+    test<float>();
+    test<double>();
+    test< std::forward_list<int> >();
+
+    return boost::report_errors();
+}
+
+#endif

test/hash_fs_path_test.cpp

@@ -0,0 +1,30 @@
+// Copyright 2022 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#if defined(_MSC_VER)
+# pragma warning(disable: 4714) // forceinline not inlined
+#endif
+
+#if defined(__GNUC__) || defined(__clang__)
+# pragma GCC diagnostic ignored "-Wsign-conversion"
+#endif
+
+#include <boost/filesystem/path.hpp>
+#include <boost/container_hash/hash.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+template<class T> std::size_t hv( T const& t )
+{
+    return boost::hash<T>()( t );
+}
+
+int main()
+{
+    boost::filesystem::path p1( "/foo/bar" );
+    boost::filesystem::path p2( "/foo/baz" );
+
+    BOOST_TEST_NE( hv( p1 ), hv( p2 ) );
+
+    return boost::report_errors();
+}

test/hash_info.cpp

@@ -8,6 +8,8 @@
 #include <boost/container_hash/hash.hpp>
 #include <iostream>
 #include <algorithm>
+#include <limits>
+#include <climits>
 
 #if defined(BOOST_MSVC)
 
@@ -37,10 +39,9 @@ void write_compiler_info() {
         {1700, "Visual C++ 11.0, VS2012"},
         {1800, "Visual C++ 12.0, VS2013"},
         {1900, "Visual C++ 14.00, VS2015"},
-        {1910, "Visual C++ 14.10, VS2017 15.1/2"},
-        {1911, "Visual C++ 14.11, VS2017 15.3/4"},
-        {1912, "Visual C++ 14.12, VS2017 15.5"},
-        {1913, "Visual C++ 14.13, VS2017 15.6"}
+        {1910, "Visual C++ 14.1x, VS2017"},
+        {1920, "Visual C++ 14.2x, VS2019"},
+        {1930, "Visual C++ 14.3x, VS2022"},
     };
 
     msvc_version msvc = { BOOST_MSVC, "" };
@@ -62,41 +63,62 @@ void write_compiler_info() {
 
 #endif
 
+#define PRINT(x) std::cout << #x ": " << x << std::endl
+
 int main() {
     write_compiler_info();
+    std::cout << std::endl;
 
-#if defined(__cplusplus)
-    std::cout << "__cplusplus: "
-        << __cplusplus
-        << std::endl;
+    PRINT(__cplusplus);
+    PRINT(BOOST_CXX_VERSION);
+    std::cout << std::endl;
+
+#if defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
+    std::cout << "No <string_view>" << std::endl;
+#else
+    std::cout << "Has <string_view>" << std::endl;
 #endif
 
-    std::cout << "BOOST_HASH_CXX17: "
-        << BOOST_HASH_CXX17
-        << std::endl;
+#if defined(BOOST_NO_CXX17_HDR_OPTIONAL)
+    std::cout << "No <optional>" << std::endl;
+#else
+    std::cout << "Has <optional>" << std::endl;
+#endif
 
-    std::cout << "BOOST_HASH_HAS_STRING_VIEW: "
-        << BOOST_HASH_HAS_STRING_VIEW
-        << std::endl;
-
-    std::cout << "BOOST_HASH_HAS_OPTIONAL: "
-        << BOOST_HASH_HAS_OPTIONAL
-        << std::endl;
-
-    std::cout << "BOOST_HASH_HAS_VARIANT: "
-        << BOOST_HASH_HAS_VARIANT
-        << std::endl;
+#if defined(BOOST_NO_CXX17_HDR_VARIANT)
+    std::cout << "No <variant>" << std::endl;
+#else
+    std::cout << "Has <variant>" << std::endl;
+#endif
 
 #if defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
     std::cout << "No <typeindex>" << std::endl;
 #else
-    std::cout << "<typeindex>" << std::endl;
+    std::cout << "Has <typeindex>" << std::endl;
 #endif
 
 #if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
     std::cout << "No <system_error>" << std::endl;
 #else
-    std::cout << "<system_error>" << std::endl;
+    std::cout << "Has <system_error>" << std::endl;
 #endif
 
+    std::cout << std::endl;
+
+    PRINT(CHAR_BIT);
+    std::cout << std::endl;
+
+    PRINT(sizeof(std::size_t)*CHAR_BIT);
+    std::cout << std::endl;
+
+    PRINT(sizeof(float)*CHAR_BIT);
+    PRINT(std::numeric_limits<float>::digits);
+    std::cout << std::endl;
+
+    PRINT(sizeof(double)*CHAR_BIT);
+    PRINT(std::numeric_limits<double>::digits);
+    std::cout << std::endl;
+
+    PRINT(sizeof(long double)*CHAR_BIT);
+    PRINT(std::numeric_limits<long double>::digits);
 }

test/hash_integral_test.cpp

@@ -0,0 +1,75 @@
+// Copyright 2005-2009 Daniel James.
+// Copyright 2021 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/container_hash/hash.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/core/type_name.hpp>
+#include <boost/type_traits/is_signed.hpp>
+#include <set>
+
+#if defined(BOOST_MSVC)
+#pragma warning(disable: 4127) // conditional expression is constant
+#endif
+
+// This test checks that small numbers hash to themselves even if
+// their type is wider than size_t
+
+template<class T>
+void identity_test()
+{
+    if( boost::is_signed<T>::value )
+    {
+        for( int i = -128; i <= 127; ++i )
+        {
+            BOOST_TEST_EQ( boost::hash<T>()( static_cast<T>( i ) ), static_cast<std::size_t>( i ) );
+        }
+    }
+    else
+    {
+        for( int i = 0; i <= 255; ++i )
+        {
+            BOOST_TEST_EQ( boost::hash<T>()( static_cast<T>( i ) ), static_cast<std::size_t>( i ) );
+        }
+    }
+}
+
+#define TEST(type) std::cerr << "Testing: " #type " (" << boost::core::type_name<type>() << ")\n"; identity_test<type>();
+
+int main()
+{
+    TEST(char)
+    TEST(signed char)
+    TEST(unsigned char)
+#ifndef BOOST_NO_INTRINSIC_WCHAR_T
+    TEST(wchar_t)
+#endif
+#ifndef BOOST_NO_CXX11_CHAR16_T
+    TEST(char16_t)
+#endif
+#ifndef BOOST_NO_CXX11_CHAR32_T
+    TEST(char32_t)
+#endif
+    TEST(short)
+    TEST(unsigned short)
+    TEST(int)
+    TEST(unsigned int)
+    TEST(long)
+    TEST(unsigned long)
+
+#if !defined(BOOST_NO_LONG_LONG)
+    TEST(boost::long_long_type)
+    TEST(boost::ulong_long_type)
+#endif
+
+#if defined(BOOST_HAS_INT128)
+    TEST(boost::int128_type)
+    TEST(boost::uint128_type)
+#endif
+
+    TEST(std::size_t)
+    TEST(std::ptrdiff_t)
+
+    return boost::report_errors();
+}

test/hash_map_test.hpp

@@ -13,6 +13,11 @@
 #pragma warning(disable:4245) // signed/unsigned mismatch
 #endif
 
+#if defined(__GNUC__) && __GNUC__ == 8
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wsign-conversion"
+#endif
+
 namespace HASH_TEST_CAT(CONTAINER_TYPE, _tests)
 {
     template <class T>
@@ -66,6 +71,10 @@ namespace HASH_TEST_CAT(CONTAINER_TYPE, _tests)
     }
 }
 
+#if defined(__GNUC__) && __GNUC__ == 8
+# pragma GCC diagnostic pop
+#endif
+
 #if defined(BOOST_MSVC)
 #pragma warning(pop)
 #endif

test/hash_no_ext_fail_test.cpp

@@ -1,28 +0,0 @@
-
-// Copyright 2006-2009 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)
-
-#include "./config.hpp"
-
-// Simple test to make sure BOOST_HASH_NO_EXTENSIONS does disable extensions
-// (or at least one of them).
-#if !defined(BOOST_HASH_NO_EXTENSIONS)
-#  define BOOST_HASH_NO_EXTENSIONS
-#endif
-
-#ifdef BOOST_HASH_TEST_STD_INCLUDES
-#  include <functional>
-#else
-#  include <boost/container_hash/hash.hpp>
-#endif
-
-template <class T> void ignore(T const&) {}
-
-int main()
-{
-    BOOST_HASH_TEST_NAMESPACE::hash< int[10] > hasher;
-    ignore(hasher);
-
-    return 0;
-}

test/hash_number_test.cpp

@@ -103,10 +103,8 @@ void limits_test(T*)
 
         if (limits::is_integer)
         {
-            BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(min_value)
-                    == std::size_t(min_value));
-            BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_value(max_value)
-                    == std::size_t(max_value));
+            BOOST_TEST_EQ(BOOST_HASH_TEST_NAMESPACE::hash_value(min_value), std::size_t(min_value));
+            BOOST_TEST_EQ(BOOST_HASH_TEST_NAMESPACE::hash_value(max_value), std::size_t(max_value));
         }
 #endif
     }

test/hash_number_test2.cpp

@@ -0,0 +1,90 @@
+// Copyright 2005-2009 Daniel James.
+// Copyright 2021 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/container_hash/hash.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/core/type_name.hpp>
+#include <set>
+
+#if defined(BOOST_MSVC)
+# pragma warning(disable: 4244) // conversion from int to float
+#endif
+
+#if defined(__GNUC__) || defined(__clang__)
+# pragma GCC diagnostic ignored "-Wconversion"
+# pragma GCC diagnostic ignored "-Wsign-conversion"
+#endif
+
+// This test checks for collisions in a small range of numbers
+
+template<class T, int M>
+void collision_test_()
+{
+    std::set<std::size_t> hashes;
+
+    for( int i = -128; i <= 127; ++i )
+    {
+        hashes.insert( boost::hash<T>()( i * M ) );
+    }
+
+    BOOST_TEST_EQ( hashes.size(), 256u );
+}
+
+template <class T>
+void collision_test()
+{
+    collision_test_<T, 1>();
+    collision_test_<T, 2>();
+    collision_test_<T, 3>();
+    collision_test_<T, 4>();
+    collision_test_<T, 5>();
+    collision_test_<T, 8>();
+    collision_test_<T, 10>();
+    collision_test_<T, 16>();
+    collision_test_<T, 32>();
+    collision_test_<T, 64>();
+    collision_test_<T, 100>();
+    collision_test_<T, 128>();
+}
+
+#define TEST(type) std::cerr << "Testing: " #type " (" << boost::core::type_name<type>() << ")\n"; collision_test<type>();
+
+int main()
+{
+#ifndef BOOST_NO_INTRINSIC_WCHAR_T
+    TEST(wchar_t)
+#endif
+#ifndef BOOST_NO_CXX11_CHAR16_T
+    TEST(char16_t)
+#endif
+#ifndef BOOST_NO_CXX11_CHAR32_T
+    TEST(char32_t)
+#endif
+    TEST(short)
+    TEST(unsigned short)
+    TEST(int)
+    TEST(unsigned int)
+    TEST(long)
+    TEST(unsigned long)
+
+#if !defined(BOOST_NO_LONG_LONG)
+    TEST(boost::long_long_type)
+    TEST(boost::ulong_long_type)
+#endif
+
+#if defined(BOOST_HAS_INT128)
+    TEST(boost::int128_type)
+    TEST(boost::uint128_type)
+#endif
+
+    TEST(float)
+    TEST(double)
+    TEST(long double)
+
+    TEST(std::size_t)
+    TEST(std::ptrdiff_t)
+
+    return boost::report_errors();
+}

test/hash_optional_test.cpp

@@ -11,7 +11,7 @@
 #include <boost/config.hpp>
 #include <boost/core/lightweight_test.hpp>
 
-#if BOOST_HASH_HAS_OPTIONAL
+#if !defined(BOOST_NO_CXX17_HDR_OPTIONAL)
 
 #include <optional>
 #include <string>
@@ -60,7 +60,7 @@ void test_optional_string()
 
 int main()
 {
-#if BOOST_HASH_HAS_OPTIONAL
+#if !defined(BOOST_NO_CXX17_HDR_OPTIONAL)
     test_optional_int();
     test_optional_string();
 #else

test/hash_reference_values.cpp

@@ -2,6 +2,8 @@
 // Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
+#define _SILENCE_NONFLOATING_COMPLEX_DEPRECATION_WARNING
+
 #include <boost/config/pragma_message.hpp>
 
 #if defined(__GNUC__) && !defined(__clang__) && __cplusplus < 201100L
@@ -15,6 +17,10 @@ int main() {}
 # pragma clang diagnostic ignored "-Wlong-long"
 #endif
 
+#if defined(__GNUC__)
+# pragma GCC diagnostic ignored "-Wsign-conversion"
+#endif
+
 #include <boost/container_hash/hash.hpp>
 #include <boost/core/lightweight_test.hpp>
 #include <string>
@@ -152,24 +158,9 @@ int main()
     BOOST_TEST_EQ( hv(-1e-38f), 2154619886U );
     BOOST_TEST_EQ( hv(1e+38f), 2123789977U );
     BOOST_TEST_EQ( hv(-1e+38f), 4271273625U );
-
-#if !defined(__GLIBCXX__)
-
     BOOST_TEST_EQ( hv(std::numeric_limits<float>::infinity()), 2139095040U );
     BOOST_TEST_EQ( hv(-std::numeric_limits<float>::infinity()), 4286578688U );
 
-#elif SIZE_MAX == 4294967295U
-
-    BOOST_TEST_EQ( hv(std::numeric_limits<float>::infinity()), 4294967295U );
-    BOOST_TEST_EQ( hv(-std::numeric_limits<float>::infinity()), 4294967294U );
-
-#else
-
-    BOOST_TEST_EQ( hv(std::numeric_limits<float>::infinity()), 18446744073709551615ULL );
-    BOOST_TEST_EQ( hv(-std::numeric_limits<float>::infinity()), 18446744073709551614ULL );
-
-#endif
-
     // double
     BOOST_TEST_EQ( hv(0.0), 0 );
     BOOST_TEST_EQ( hv(-0.0), 0 );
@@ -184,19 +175,9 @@ int main()
     BOOST_TEST_EQ( hv(-1e-308), 3701356376U );
     BOOST_TEST_EQ( hv(1e+308), 2577739707U );
     BOOST_TEST_EQ( hv(-1e+308), 430256059U );
-
-#if !defined(__GLIBCXX__)
-
     BOOST_TEST_EQ( hv(std::numeric_limits<double>::infinity()), 2146435072U );
     BOOST_TEST_EQ( hv(-std::numeric_limits<double>::infinity()), 4293918720U );
 
-#else
-
-    BOOST_TEST_EQ( hv(std::numeric_limits<double>::infinity()), 4294967295U );
-    BOOST_TEST_EQ( hv(-std::numeric_limits<double>::infinity()), 4294967294U );
-
-#endif
-
 #else
 
     BOOST_TEST_EQ( hv(1.0), 4607182418800017408ULL );
@@ -207,19 +188,9 @@ int main()
     BOOST_TEST_EQ( hv(-1e-308), 9225396059387848914ULL );
     BOOST_TEST_EQ( hv(1e+308), 9214871658872686752ULL );
     BOOST_TEST_EQ( hv(-1e+308), 18438243695727462560ULL );
-
-#if !defined(__GLIBCXX__)
-
     BOOST_TEST_EQ( hv(std::numeric_limits<double>::infinity()), 9218868437227405312ULL );
     BOOST_TEST_EQ( hv(-std::numeric_limits<double>::infinity()), 18442240474082181120ULL );
 
-#else
-
-    BOOST_TEST_EQ( hv(std::numeric_limits<double>::infinity()), 18446744073709551615ULL );
-    BOOST_TEST_EQ( hv(-std::numeric_limits<double>::infinity()), 18446744073709551614ULL );
-
-#endif
-
 #endif
 
     // long double
@@ -256,38 +227,18 @@ int main()
     BOOST_TEST_EQ( hv(-1.0L), 2684403711U );
     BOOST_TEST_EQ( hv(3.14L), 83002659U );
     BOOST_TEST_EQ( hv(-3.14L), 82969891U );
-
-#if !defined(__GLIBCXX__)
-
     BOOST_TEST_EQ( hv(std::numeric_limits<long double>::infinity()), 0xA0007FFFu );
     BOOST_TEST_EQ( hv(-std::numeric_limits<long double>::infinity()), 0xA000FFFFu );
 
-#else
-
-    BOOST_TEST_EQ( hv(std::numeric_limits<long double>::infinity()), 4294967295U );
-    BOOST_TEST_EQ( hv(-std::numeric_limits<long double>::infinity()), 4294967294U );
-
-#endif
-
 #else
 
     BOOST_TEST_EQ( hv(1.0L), 11529215046068486143ULL );
     BOOST_TEST_EQ( hv(-1.0L), 11529215046068518911ULL );
     BOOST_TEST_EQ( hv(3.14L), 12059468778148142067ULL );
     BOOST_TEST_EQ( hv(-3.14L), 12059468778147191795ULL );
-
-#if !defined(__GLIBCXX__)
-
     BOOST_TEST_EQ( hv(std::numeric_limits<long double>::infinity()), 11529215046068502527ULL );
     BOOST_TEST_EQ( hv(-std::numeric_limits<long double>::infinity()), 11529215046068535295ULL );
 
-#else
-
-    BOOST_TEST_EQ( hv(std::numeric_limits<long double>::infinity()), 18446744073709551615ULL );
-    BOOST_TEST_EQ( hv(-std::numeric_limits<long double>::infinity()), 18446744073709551614ULL );
-
-#endif
-
 #endif
 
 #endif

test/hash_sequence_test.hpp

@@ -12,6 +12,11 @@
 #pragma warning(disable:4245) // signed/unsigned mismatch
 #endif
 
+#if defined(__GNUC__) && __GNUC__ == 8
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wsign-conversion"
+#endif
+
 namespace HASH_TEST_CAT(CONTAINER_TYPE, _tests)
 {
     template <class T>
@@ -68,6 +73,10 @@ namespace HASH_TEST_CAT(CONTAINER_TYPE, _tests)
     }
 }
 
+#if defined(__GNUC__) && __GNUC__ == 8
+# pragma GCC diagnostic pop
+#endif
+
 #if defined(BOOST_MSVC)
 #pragma warning(pop)
 #endif

test/hash_set_test.hpp

@@ -12,6 +12,11 @@
 #pragma warning(disable:4245) // signed/unsigned mismatch
 #endif
 
+#if defined(__GNUC__) && __GNUC__ == 8
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wsign-conversion"
+#endif
+
 namespace HASH_TEST_CAT(CONTAINER_TYPE, _tests)
 {
     template <class T>
@@ -71,6 +76,10 @@ namespace HASH_TEST_CAT(CONTAINER_TYPE, _tests)
     }
 }
 
+#if defined(__GNUC__) && __GNUC__ == 8
+# pragma GCC diagnostic pop
+#endif
+
 #if defined(BOOST_MSVC)
 #pragma warning(pop)
 #endif

test/hash_string_test.cpp

@@ -176,7 +176,7 @@ int main()
 #endif
 
     generic_string_tests((std::string*) 0);
-#if BOOST_HASH_HAS_STRING_VIEW
+#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
     generic_string_tests((std::string_view*) 0);
 #endif
 

test/hash_string_test2.cpp

@@ -0,0 +1,51 @@
+// Copyright 2022 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/utility/string_view.hpp>
+#include <boost/core/detail/string_view.hpp>
+#include <boost/container_hash/hash.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <string>
+#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
+#include <string_view>
+#endif
+#include <vector>
+#include <deque>
+#include <list>
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+# include <forward_list>
+#endif
+
+// Test whether the hash values of a string and a
+// string_view that refers to it match. This is
+// important for unordered heterogeneous lookups.
+
+template<class T> std::size_t hv( T const& t )
+{
+    return boost::hash<T>()( t );
+}
+
+int main()
+{
+    std::string s( "Test." );
+    std::size_t h0 = hv( s );
+
+    BOOST_TEST_EQ( h0, hv( boost::string_view( s ) ) );
+    BOOST_TEST_EQ( h0, hv( boost::core::string_view( s ) ) );
+
+#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
+    BOOST_TEST_EQ( h0, hv( std::string_view( s ) ) );
+#endif
+
+    BOOST_TEST_EQ( h0, hv( std::vector<char>( s.begin(), s.end() ) ) );
+    BOOST_TEST_EQ( h0, hv( std::deque<char>( s.begin(), s.end() ) ) );
+    BOOST_TEST_EQ( h0, hv( std::list<char>( s.begin(), s.end() ) ) );
+
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+    BOOST_TEST_EQ( h0, hv( std::forward_list<char>( s.begin(), s.end() ) ) );
+#endif
+
+    return boost::report_errors();
+}

test/hash_variant_test.cpp

@@ -11,7 +11,7 @@
 #include <boost/config.hpp>
 #include <boost/core/lightweight_test.hpp>
 
-#if BOOST_HASH_HAS_VARIANT
+#if !defined(BOOST_NO_CXX17_HDR_VARIANT)
 
 #include <variant>
 #include <string>
@@ -90,7 +90,7 @@ void test_variant_unique_types()
 
 int main()
 {
-#if BOOST_HASH_HAS_VARIANT
+#if !defined(BOOST_NO_CXX17_HDR_VARIANT)
     test_variant_int();
     test_variant_unique_types();
 #else

test/quick.cpp

@@ -0,0 +1,17 @@
+// Copyright 2006-2009 Daniel James.
+// Copyright 2021 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/container_hash/hash.hpp>
+#include <deque>
+
+int main()
+{
+    std::deque<int> x;
+
+    x.push_back( 1 );
+    x.push_back( 2 );
+
+    return boost::hash< std::deque<int> >()( x ) == boost::hash_value( x )? 0: 1;
+}