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Add support for C++23 <stdfloat> types. (#183)
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* Add support for C++23 <stdfloat> types.

* Update CI scripts.
* Update C++20 testing in has_right_shift_test.cpp.
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@jzmaddock
jzmaddock committed Oct 15, 2023
1 parent 1ebd31e commit 821c53c
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45 changes: 11 additions & 34 deletions .drone.star
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Original file line number Diff line number Diff line change
Expand Up @@ -14,40 +14,17 @@ windowsglobalimage="cppalliance/dronevs2019"

def main(ctx):
return [
linux_cxx("TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=98,0x Job 1", "g++", packages="g++-4.4", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.4', 'CXXSTD': '98,0x'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-4.6 CXXSTD=03,0x Job 2", "g++", packages="g++-4.6", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.6', 'CXXSTD': '03,0x'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11 Job 3", "g++-4.7", packages="g++-4.7", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.7', 'CXXSTD': '03,11'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11 Job 4", "g++-4.8", packages="g++-4.8", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.8', 'CXXSTD': '03,11'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11 Job 5", "g++-4.9", packages="g++-4.9", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.9', 'CXXSTD': '03,11'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z Job 6", "g++-5", packages="g++-5", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-5', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z Job 7", "g++-5", packages="g++-5", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-5', 'CXXSTD': '03,11,14,1z', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z Job 8", "g++-6", packages="g++-6", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z Job 9", "g++-6", packages="g++-6", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': '03,11,14,1z', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17 Job 10", "g++-7", packages="g++-7", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-7', 'CXXSTD': '03,11,14,17'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17 Job 11", "g++-8", packages="g++-8", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-8', 'CXXSTD': '03,11,14,17'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17 Job 12", "g++-9", packages="g++-9", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-9', 'CXXSTD': '03,11,14,17,2a'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-10 CXXSTD=03,11,14,17,20 Job 13", "g++-10", packages="g++-10", image="cppalliance/droneubuntu2004:1", buildtype="boost", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-10', 'CXXSTD': '03,11,14,17,20'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03, Job 15", "clang++", packages="clang-3.5", llvm_os="precise", llvm_ver="3.5", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.5', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03, Job 16", "clang++", packages="clang-3.6", llvm_os="precise", llvm_ver="3.6", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.6', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03, Job 17", "clang++", packages="clang-3.7", llvm_os="precise", llvm_ver="3.7", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.7', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03, Job 18", "clang++-3.8", packages="clang-3.8", llvm_os="precise", llvm_ver="3.8", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.8', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03, Job 19", "clang++-3.9", packages="clang-3.9", llvm_os="precise", llvm_ver="3.9", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.9', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03, Job 20", "clang++-4.0", packages="clang-4.0", llvm_os="xenial", llvm_ver="4.0", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-4.0', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03, Job 21", "clang++-5.0", packages="clang-5.0", llvm_os="xenial", llvm_ver="5.0", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-5.0', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-5.0 -stdlib=libc++ CXXSTD=03,11,14 Job 22", "clang++-5.0 -stdlib=libc++", packages="libc++-dev clang-5.0", llvm_os="xenial", llvm_ver="5.0", buildtype="boost", image=linuxglobalimage, environment={'COMPILER': 'clang++-5.0 -stdlib=libc++', 'TOOLSET': 'clang', 'CXXSTD': '03,11,14'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,1z, Job 23", "clang++-6.0", packages="clang-6.0", llvm_os="xenial", llvm_ver="6.0", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-6.0', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-6.0 -stdlib=libc++ CXXSTD=03,11,14 Job 24", "clang++-6.0 -stdlib=libc++", packages="clang-6.0 libc++-dev", llvm_os="xenial", llvm_ver="6.0", buildtype="boost", image=linuxglobalimage, environment={'COMPILER': 'clang++-6.0 -stdlib=libc++', 'TOOLSET': 'clang', 'CXXSTD': '03,11,14'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,1z Job 25", "clang++-7", packages="clang-7", llvm_os="xenial", llvm_ver="7", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-7', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-8 CXXSTD=03,11,14,17 2a Job 26", "clang++-8", packages="clang-8", llvm_os="xenial", llvm_ver="8", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-8', 'CXXSTD': '03,11,14,17,2a'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11,14,17,2a Job 27", "clang++-9", packages="clang-9", llvm_os="xenial", llvm_ver="9", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-9', 'CXXSTD': '03,11,14,17,2a'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,11,14,17,20 Job 28", "clang++-10", packages="clang-10", llvm_os="xenial", llvm_ver="10", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-10', 'CXXSTD': '03,11,14,17,20'}, globalenv=globalenv),
osx_cxx("XCode-11.7 CXXSTD=03,11,14,17,2a Job 29", "clang++", packages="", buildtype="boost", xcode_version="11.7", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,17,2a', 'DRONE_JOB_OS_NAME': 'osx'}, globalenv=globalenv),
osx_cxx("XCode-10.2 CXXSTD=03,11,14,17,2a Job 30", "clang++", packages="", buildtype="boost", xcode_version="10.2", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,17,2a', 'DRONE_JOB_OS_NAME': 'osx'}, globalenv=globalenv),
osx_cxx("XCode-9.4 CXXSTD=03,11,14,1z Job 31", "clang++", packages="", buildtype="boost", xcode_version="9.4", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_OS_NAME': 'osx'}, globalenv=globalenv),
osx_cxx("XCode-9.0 CXXSTD=03,11,14,1z Job 32", "clang++", packages="", buildtype="boost", xcode_version="9", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_OS_NAME': 'osx'}, globalenv=globalenv),
osx_cxx("XCode-8.3 CXXSTD=03,11,14,1z Job 33", "clang++", packages="", buildtype="boost", xcode_version="8.3", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_OS_NAME': 'osx'}, globalenv=globalenv),
osx_cxx("XCode-8.0 CXXSTD=03,11,14,1z Job 34", "clang++", packages="", buildtype="boost", xcode_version="8", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_OS_NAME': 'osx'}, globalenv=globalenv),
osx_cxx("XCode-7.3 CXXSTD=03,11,14,1z Job 35", "clang++", packages="", buildtype="boost", xcode_version="7.3", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_OS_NAME': 'osx'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z", "g++-6", packages="g++-6", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': '03,11,14,1z'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z gnu++", "g++-6", packages="g++-6", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': '03,11,14,1z', 'CXXSTD_DIALECT': 'cxxstd-dialect=gnu'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17", "g++-7", packages="g++-7", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-7', 'CXXSTD': '03,11,14,17'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17", "g++-8", packages="g++-8", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-8', 'CXXSTD': '03,11,14,17'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17", "g++-9", packages="g++-9", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-9', 'CXXSTD': '03,11,14,17,2a'}, globalenv=globalenv),
linux_cxx("TOOLSET=gcc COMPILER=g++-10 CXXSTD=03,11,14,17,20", "g++-10", packages="g++-10", image="cppalliance/droneubuntu2004:1", buildtype="boost", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-10', 'CXXSTD': '03,11,14,17,20'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11,14,17,2a", "clang++-9", packages="clang-9", llvm_ver="9", buildtype="boost", image="cppalliance/droneubuntu2004:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-9', 'CXXSTD': '03,11,14,17,2a'}, globalenv=globalenv),
linux_cxx("TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,11,14,17,20", "clang++-10", packages="clang-10", llvm_ver="10", buildtype="boost", image="cppalliance/droneubuntu2004:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-10', 'CXXSTD': '03,11,14,17,20'}, globalenv=globalenv),
linux_cxx("Ubuntu g++-13", packages="g++-13", buildtype="boost", image="cppalliance/droneubuntu2304:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-13', 'CXXSTD': '14,17,20,23', }, globalenv=globalenv),
osx_cxx("XCode-11.7 03,11,17,2a", "clang++", packages="", buildtype="boost", xcode_version="11.7", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,17,2a', }, globalenv=globalenv),
osx_cxx("XCode-10.2 03,11,17,2a", "clang++", packages="", buildtype="boost", xcode_version="10.2", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,17,2a', }, globalenv=globalenv),
]

# from https://github.com/boostorg/boost-ci
Expand Down
81 changes: 72 additions & 9 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,75 @@ on:
release:
types: [published, created, edited]
jobs:
ubuntu-focal:
runs-on: ubuntu-20.04
ubuntu-jammy:
runs-on: ubuntu-22.04
strategy:
fail-fast: false
matrix:
compiler: [ g++-9, g++-10, clang++-9, clang++-10 ]
compiler: [ g++-11, g++-12, clang++-14 ]
standard: [ c++03, c++11, c++14, c++17, c++2a, gnu++03, gnu++11, gnu++14, gnu++17, gnu++2a ]
steps:
- uses: actions/checkout@v2
with:
fetch-depth: '0'
- uses: mstachniuk/ci-skip@v1
with:
commit-filter: '[skip ci];[ci skip];[CI SKIP];[SKIP CI];***CI SKIP***;***SKIP CI***;[windows];[Windows];[WINDOWS];[apple];[Apple];[APPLE]'
commit-filter-separator: ';'
fail-fast: true
- name: Set TOOLSET
run: echo ${{ matrix.compiler }} | awk '/^g/ { print "TOOLSET=gcc" } /^clang/ { print "TOOLSET=clang" }' >> $GITHUB_ENV
- name: Add repository
continue-on-error: true
id: addrepo
run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
- name: Retry Add Repo
continue-on-error: true
id: retry1
if: steps.addrepo.outcome=='failure'
run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
- name: Retry Add Repo 2
continue-on-error: true
id: retry2
if: steps.retry1.outcome=='failure'
run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
- name: Install packages
run: sudo apt install g++-11 g++-12 clang-14
- name: Checkout main boost
run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
- name: Update tools/boostdep
run: git submodule update --init tools/boostdep
working-directory: ../boost-root
- name: Copy files
run: cp -r $GITHUB_WORKSPACE/* libs/type_traits
working-directory: ../boost-root
- name: Install deps
run: python tools/boostdep/depinst/depinst.py type_traits
working-directory: ../boost-root
- name: Bootstrap
run: ./bootstrap.sh
working-directory: ../boost-root
- name: Generate headers
run: ./b2 headers
working-directory: ../boost-root
- name: Generate user config
run: 'echo "using $TOOLSET : : ${{ matrix.compiler }} : <cxxflags>-std=${{ matrix.standard }} ;" > ~/user-config.jam'
working-directory: ../boost-root
- name: Config info install
run: ../../../b2 config_info_travis_install toolset=$TOOLSET
working-directory: ../boost-root/libs/config/test
- name: Config info
run: ./config_info_travis
working-directory: ../boost-root/libs/config/test
- name: Test
run: ../../../b2 toolset=$TOOLSET
working-directory: ../boost-root/libs/type_traits/test
ubuntu-jammy-clang:
runs-on: ubuntu-22.04
strategy:
fail-fast: false
matrix:
compiler: [ clang++-11, clang++-12, clang++-13 ]
standard: [ c++03, c++11, c++14, c++17, c++2a, gnu++03, gnu++11, gnu++14, gnu++17, gnu++2a ]
steps:
- uses: actions/checkout@v2
Expand Down Expand Up @@ -47,7 +110,7 @@ jobs:
if: steps.retry1.outcome=='failure'
run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
- name: Install packages
run: sudo apt install g++-9 g++-10 clang-9 clang-10 libgmp-dev libmpfr-dev libfftw3-dev
run: sudo apt install clang-11 clang-12 clang-13
- name: Checkout main boost
run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
- name: Update tools/boostdep
Expand Down Expand Up @@ -77,13 +140,13 @@ jobs:
- name: Test
run: ../../../b2 toolset=$TOOLSET
working-directory: ../boost-root/libs/type_traits/test
ubuntu-bionic:
runs-on: ubuntu-18.04
ubuntu-focal:
runs-on: ubuntu-20.04
strategy:
fail-fast: false
matrix:
compiler: [ g++-7, g++-8, clang++-7, clang++-8 ]
standard: [ c++03, c++11, c++14, c++17, gnu++03, gnu++11, gnu++14, gnu++17 ]
compiler: [ g++-9, g++-10, clang++-9, clang++-10 ]
standard: [ c++03, c++11, c++14, c++17, c++2a, gnu++03, gnu++11, gnu++14, gnu++17, gnu++2a ]
steps:
- uses: actions/checkout@v2
with:
Expand All @@ -110,7 +173,7 @@ jobs:
if: steps.retry1.outcome=='failure'
run: sudo apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
- name: Install packages
run: sudo apt install g++-7 g++-8 clang-7 clang-8 libgmp-dev libmpfr-dev libfftw3-dev
run: sudo apt install g++-9 g++-10 clang-9 clang-10
- name: Checkout main boost
run: git clone -b develop --depth 1 https://github.com/boostorg/boost.git ../boost-root
- name: Update tools/boostdep
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22 changes: 22 additions & 0 deletions include/boost/type_traits/is_floating_point.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,10 @@

#include <boost/type_traits/integral_constant.hpp>

#ifndef BOOST_NO_CXX23_HDR_STDFLOAT
#include <stdfloat>
#endif

namespace boost {

//* is a type T a floating-point type described in the standard (3.9.1p8)
Expand All @@ -25,6 +29,24 @@ namespace boost {
template<> struct is_floating_point<__float128> : public true_type{};
#endif

#ifndef BOOST_NO_CXX23_HDR_STDFLOAT
#if defined(__STDCPP_FLOAT16_T__)
template<> struct is_floating_point<std::float16_t> : public true_type {};
#endif
#if defined(__STDCPP_FLOAT32_T__)
template<> struct is_floating_point<std::float32_t> : public true_type {};
#endif
#if defined(__STDCPP_FLOAT64_T__)
template<> struct is_floating_point<std::float64_t> : public true_type {};
#endif
#if defined(__STDCPP_FLOAT128_T__)
template<> struct is_floating_point<std::float128_t> : public true_type {};
#endif
#if defined(__STDCPP_BFLOAT16_T__)
template<> struct is_floating_point<std::bfloat16_t> : public true_type {};
#endif
#endif

} // namespace boost

#endif // BOOST_TYPE_TRAITS_IS_FLOAT_HPP_INCLUDED
2 changes: 1 addition & 1 deletion test/has_right_shift_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -234,7 +234,7 @@ BOOST_TT_PROC void specific() {
BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< std::istream, char&, std::istream& >::value), 1);
BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< std::istream, signed char&, std::istream& >::value), 1);
BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< std::istream, unsigned char&, std::istream& >::value), 1);
#if !(defined(_LIBCPP_VERSION) && (_LIBCPP_VERSION >= 9000)) && !defined(_HAS_CXX20)
#if !(defined(_LIBCPP_VERSION) && (_LIBCPP_VERSION >= 9000)) && !defined(_HAS_CXX20) && (BOOST_CXX_VERSION < 202000)
BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< std::istream, char*, std::istream& >::value), 1);
BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< std::istream, signed char*, std::istream& >::value), 1);
BOOST_CHECK_INTEGRAL_CONSTANT((::boost::BOOST_TT_TRAIT_NAME< std::istream, unsigned char*, std::istream& >::value), 1);
Expand Down
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