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
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2019-06-24 Jonathan Wakely <jwakely@redhat.com>
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* ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG, LDBL_DECIMAL_DIG)
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(FLT_HAS_SUBNORM, DBL_HAS_SUBNORM, LDBL_HAS_SUBNORM, FLT_TRUE_MIN)
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(DBL_TRUE_MIN, LDBL_TRUE_MIN): Also define for C++17.
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2019-06-23 Iain Sandoe <iain@sandoe.co.uk>
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* config/rs6000/darwin.h: Handle GCC target pragma.
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@ -210,7 +210,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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#endif /* C99 */
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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
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#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) \
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|| (defined (__cplusplus) && __cplusplus >= 201703L)
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/* Versions of DECIMAL_DIG for each floating-point type. */
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#undef FLT_DECIMAL_DIG
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#undef DBL_DECIMAL_DIG
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@ -1,3 +1,7 @@
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2019-06-24 Jonathan Wakely <jwakely@redhat.com>
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* testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
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2019-06-20 Jonathan Wakely <jwakely@redhat.com>
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* acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
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// { dg-options "-std=gnu++17" }
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// { dg-do compile { target c++17 } }
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// Copyright (C) 2019 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <cfloat>
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#include "values.cc"
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namespace gnu17
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{
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double d1 = DBL_DECIMAL_DIG;
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double d2 = DBL_HAS_SUBNORM;
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double d3 = DBL_TRUE_MIN;
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float f1 = FLT_DECIMAL_DIG;
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float f2 = FLT_HAS_SUBNORM;
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float f3 = FLT_TRUE_MIN;
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long double ld1 = LDBL_DECIMAL_DIG;
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long double ld2 = LDBL_HAS_SUBNORM;
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long double ld3 = LDBL_TRUE_MIN;
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}
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