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| author | Jonathan Wakely <jwakely@redhat.com> | 2019-06-24 13:09:47 +0100 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2019-06-24 13:09:47 +0100 |
| commit | ff164b601b75a9aba47edfaa9a215cb376ab055e (patch) | |
| tree | 79992f00c4ec2d5d269ac3af55a7aad0657cda71 | |
| parent | efe8764f72a2706136ca588c6ee734c48e803885 (diff) | |
| download | gcc-ff164b601b75a9aba47edfaa9a215cb376ab055e.zip gcc-ff164b601b75a9aba47edfaa9a215cb376ab055e.tar.gz gcc-ff164b601b75a9aba47edfaa9a215cb376ab055e.tar.bz2 | |
Define C11 macros such as FLT_DECIMAL_DIG for C++17
* testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
From-SVN: r272615
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ginclude/float.h | 3 | ||||
| -rw-r--r-- | libstdc++-v3/ChangeLog | 4 | ||||
| -rw-r--r-- | libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc | 37 |
4 files changed, 49 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4242c98..85c286a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-06-24 Jonathan Wakely <jwakely@redhat.com> + + * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG, LDBL_DECIMAL_DIG) + (FLT_HAS_SUBNORM, DBL_HAS_SUBNORM, LDBL_HAS_SUBNORM, FLT_TRUE_MIN) + (DBL_TRUE_MIN, LDBL_TRUE_MIN): Also define for C++17. + 2019-06-23 Iain Sandoe <iain@sandoe.co.uk> * config/rs6000/darwin.h: Handle GCC target pragma. diff --git a/gcc/ginclude/float.h b/gcc/ginclude/float.h index 9ebae05..4767d7b 100644 --- a/gcc/ginclude/float.h +++ b/gcc/ginclude/float.h @@ -210,7 +210,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #endif /* C99 */ -#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L +#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) \ + || (defined (__cplusplus) && __cplusplus >= 201703L) /* Versions of DECIMAL_DIG for each floating-point type. */ #undef FLT_DECIMAL_DIG #undef DBL_DECIMAL_DIG diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index ac98c0d..2acb150 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,7 @@ +2019-06-24 Jonathan Wakely <jwakely@redhat.com> + + * testsuite/18_support/headers/cfloat/values_c++17.cc: New test. + 2019-06-20 Jonathan Wakely <jwakely@redhat.com> * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final diff --git a/libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc b/libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc new file mode 100644 index 0000000..f3efd20 --- /dev/null +++ b/libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc @@ -0,0 +1,37 @@ +// { dg-options "-std=gnu++17" } +// { dg-do compile { target c++17 } } + +// Copyright (C) 2019 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +#include <cfloat> +#include "values.cc" + +namespace gnu17 +{ + double d1 = DBL_DECIMAL_DIG; + double d2 = DBL_HAS_SUBNORM; + double d3 = DBL_TRUE_MIN; + + float f1 = FLT_DECIMAL_DIG; + float f2 = FLT_HAS_SUBNORM; + float f3 = FLT_TRUE_MIN; + + long double ld1 = LDBL_DECIMAL_DIG; + long double ld2 = LDBL_HAS_SUBNORM; + long double ld3 = LDBL_TRUE_MIN; +} |