Merge pull request #173 from BoostGSoC21/elem_func_gnu128

Fix #173 via ensure everything works in gnu++XX

Author: ckormanyos

.github/workflows/multiprecision.yml

@@ -143,6 +143,65 @@ jobs:
       - name: b2 config
         run: cat bin.v2/config.log
         working-directory: ../boost-root/
+  ubuntu-jammy-gnu-df:
+    runs-on: ubuntu-22.04
+    defaults:
+      run:
+        shell: bash
+    strategy:
+      fail-fast: false
+      matrix:
+        compiler: [ g++ ]
+        suite: [ functions_df_gnu ]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: '0'
+      - 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: 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/multiprecision
+        working-directory: ../boost-root
+      - name: Install deps
+        run: python tools/boostdep/depinst/depinst.py multiprecision
+        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 : : ${{ matrix.compiler }} : <cxxflags>-std=gnu++14 ;" > ~/user-config.jam'
+        working-directory: ../boost-root
+      - name: Config Info
+        run: ../../../b2 print_config_info print_math_info toolset=$TOOLSET
+        working-directory: ../boost-root/libs/config/test
+      - name: Test
+        run: ../../../b2 -j2 toolset=$TOOLSET ${{ matrix.suite }} define=CI_SUPPRESS_KNOWN_ISSUES define=BOOST_MP_SF_CONCEPT_TESTS 
+        working-directory: ../boost-root/libs/multiprecision/test
+      - name: b2 config
+        run: cat bin.v2/config.log
+        working-directory: ../boost-root/
   ubuntu-focal:
     runs-on: ubuntu-20.04
     defaults:

include/boost/multiprecision/cpp_df_qf/cpp_df_qf_detail.hpp

@@ -12,15 +12,20 @@
 
 #include <boost/config.hpp>
 
-#ifdef BOOST_HAS_FLOAT128
-#  if __has_include(<quadmath.h>)
-#    include <quadmath.h>
-#      ifndef BOOST_MP_HAS_FLOAT128_SUPPORT
-#        define BOOST_MP_HAS_FLOAT128_SUPPORT
-#      endif
-#  endif
+#if defined(BOOST_HAS_FLOAT128)
+#if defined(__has_include)
+#if __has_include(<quadmath.h>)
+
+#include <quadmath.h>
+
+#if !defined(BOOST_MP_CPP_DOUBLE_FP_HAS_FLOAT128)
+#define BOOST_MP_CPP_DOUBLE_FP_HAS_FLOAT128
 #endif
 
+#endif // __has_include(<quadmath.h>)
+#endif // defined(__has_include)
+#endif // defined(BOOST_HAS_FLOAT128)
+
 #include <boost/multiprecision/number.hpp>
 #include <boost/multiprecision/detail/float128_functions.hpp>
 #include <boost/multiprecision/cpp_df_qf/cpp_df_qf_detail_ccmath.hpp>
@@ -30,13 +35,13 @@
 namespace boost { namespace multiprecision { namespace backends { namespace cpp_df_qf_detail {
 
 template <class FloatingPointType>
-struct is_floating_point_or_float128
+struct is_floating_point
 {
-   static constexpr auto value =    std::is_same<FloatingPointType, float>::value
-                                 || std::is_same<FloatingPointType, double>::value
-                                 || std::is_same<FloatingPointType, long double>::value
-#if defined(BOOST_HAS_FLOAT128)
-                                 || std::is_same<FloatingPointType, ::boost::float128_type>::value
+   static constexpr auto value =    ::std::is_same<FloatingPointType, float>::value
+                                 || ::std::is_same<FloatingPointType, double>::value
+                                 || ::std::is_same<FloatingPointType, long double>::value
+#if defined(BOOST_MP_CPP_DOUBLE_FP_HAS_FLOAT128)
+                                 || ::std::is_same<FloatingPointType, ::boost::float128_type>::value
 #endif
                                  ;
 };
@@ -77,8 +82,7 @@ struct exact_arithmetic
    // The exact_arithmetic<> struct implements extended precision
    // techniques that are used in cpp_double_fp_backend and cpp_quad_float.
 
-   static_assert(is_floating_point_or_float128<FloatingPointType>::value,
-                 "Error: exact_arithmetic<> invoked with unknown floating-point type");
+   static_assert(is_floating_point<FloatingPointType>::value, "Error: exact_arithmetic<> invoked with unknown floating-point type");
 
    using float_type  = FloatingPointType;
    using float_pair  = std::pair<float_type, float_type>;

include/boost/multiprecision/cpp_df_qf/cpp_df_qf_detail_ccmath_limits.hpp

@@ -27,7 +27,7 @@ struct numeric_limits<FloatingPointType,
                       typename std::enable_if<(   std::is_same<FloatingPointType, float>::value
                                                || std::is_same<FloatingPointType, double>::value
                                                || std::is_same<FloatingPointType, long double>::value
-#if defined(BOOST_HAS_FLOAT128)
+#if defined(BOOST_MP_CPP_DOUBLE_FP_HAS_FLOAT128)
                                                || std::is_same<FloatingPointType, ::boost::float128_type>::value
 #endif
                                                )>::type>