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complex (operator==, !=): Mark constexpr.

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2010-11-08  Benjamin Kosnik  <bkoz@redhat.com>

        * include/std/complex (operator==, !=): Mark constexpr.
        * testsuite/26_numerics/complex/comparison_operators/constexpr.cc: New.

From-SVN: r166439
This commit is contained in:
Benjamin Kosnik 2010-11-08 16:18:10 +00:00 • committed by Benjamin Kosnik
parent 7606bd1197
commit 6684c44386
3 changed files with 50 additions and 6 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,3 +1,8 @@
2010-11-08 Benjamin Kosnik <bkoz@redhat.com>
* include/std/complex (operator==, !=): Mark constexpr.
* testsuite/26_numerics/complex/comparison_operators/constexpr.cc: New.
2010-11-08 Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/stl_tree.h (_Rb_tree<>::_M_erase_aux): Add.

12
libstdc++-v3/include/std/complex
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@ -447,17 +447,17 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
//@{
/// Return true if @a x is equal to @a y.
template<typename _Tp>
inline bool
inline _GLIBCXX_CONSTEXPR bool
operator==(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return __x.real() == __y.real() && __x.imag() == __y.imag(); }
template<typename _Tp>
inline bool
inline _GLIBCXX_CONSTEXPR bool
operator==(const complex<_Tp>& __x, const _Tp& __y)
{ return __x.real() == __y && __x.imag() == _Tp(); }
template<typename _Tp>
inline bool
inline _GLIBCXX_CONSTEXPR bool
operator==(const _Tp& __x, const complex<_Tp>& __y)
{ return __x == __y.real() && _Tp() == __y.imag(); }
//@}
@ -465,17 +465,17 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
//@{
/// Return false if @a x is equal to @a y.
template<typename _Tp>
inline bool
inline _GLIBCXX_CONSTEXPR bool
operator!=(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return __x.real() != __y.real() || __x.imag() != __y.imag(); }
template<typename _Tp>
inline bool
inline _GLIBCXX_CONSTEXPR bool
operator!=(const complex<_Tp>& __x, const _Tp& __y)
{ return __x.real() != __y || __x.imag() != _Tp(); }
template<typename _Tp>
inline bool
inline _GLIBCXX_CONSTEXPR bool
operator!=(const _Tp& __x, const complex<_Tp>& __y)
{ return __x != __y.real() || _Tp() != __y.imag(); }
//@}

39
libstdc++-v3/testsuite/26_numerics/complex/comparison_operators/constexpr.cc Normal file
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@ -0,0 +1,39 @@
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
// Copyright (C) 2010 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 <complex>
#include <testsuite_common_types.h>
int main()
{
__gnu_test::constexpr_comparison_eq_ne test;
test.operator()<std::complex<float>>();
test.operator()<std::complex<float>, float>();
test.operator()<float,std::complex<float>>();
test.operator()<std::complex<double>>();
test.operator()<std::complex<double>, double>();
test.operator()<double,std::complex<double>>();
test.operator()<std::complex<long double>>();
test.operator()<std::complex<long double>, long double>();
test.operator()<long double,std::complex<long double>>();
return 0;
}