gcc/libstdc++-v3/testsuite/26_numerics/complex/dr781_dr1137.cc
Paolo Carlini 681f05d4f0 complex (proj): Change return type per DR 1137.
2010-02-21  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/complex (proj): Change return type per DR 1137.
	(conj): Copy from tr1_impl, likewise adjust return type.
	* include/tr1_impl/complex (conj): Remove.
	* include/tr1/complex (conj): Add both overloads.
	* testsuite/26_numerics/complex/dr781.cc: Rename to...
	* testsuite/26_numerics/complex/dr781_dr1137.cc: ... this, and extend.

	* include/tr1_impl/complex (arg): Optimize.

From-SVN: r156940
2010-02-21 19:55:17 +00:00

71 lines
2.3 KiB
C++

// { dg-options "-std=gnu++0x" }
// 2008-05-22 Paolo Carlini <paolo.carlini@oracle.com>
//
// Copyright (C) 2008, 2009, 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_hooks.h>
#include <testsuite_tr1.h>
// DR 781. std::complex should add missing C99 functions.
// DR 1137. Return type of conj and proj.
void test01()
{
bool test __attribute__((unused)) = true;
using __gnu_test::check_ret_type;
typedef std::complex<float> cmplx_f_type;
typedef std::complex<double> cmplx_d_type;
typedef std::complex<long double> cmplx_ld_type;
const int i1 = 1;
const float f1 = 1.0f;
const double d1 = 1.0;
const long double ld1 = 1.0l;
const cmplx_f_type c_f1(f1, f1);
const cmplx_d_type c_d1(d1, d1);
const cmplx_ld_type c_ld1(ld1, ld1);
check_ret_type<cmplx_f_type>(std::proj(c_f1));
check_ret_type<cmplx_d_type>(std::proj(c_d1));
check_ret_type<cmplx_ld_type>(std::proj(c_ld1));
check_ret_type<float>(std::proj(f1));
check_ret_type<double>(std::proj(d1));
check_ret_type<double>(std::proj(i1));
VERIFY( std::proj(i1) == std::proj(double(i1)) );
check_ret_type<long double>(std::proj(ld1));
check_ret_type<cmplx_f_type>(std::conj(c_f1));
check_ret_type<cmplx_d_type>(std::conj(c_d1));
check_ret_type<cmplx_ld_type>(std::conj(c_ld1));
check_ret_type<float>(std::conj(f1));
check_ret_type<double>(std::conj(d1));
check_ret_type<double>(std::conj(i1));
VERIFY( std::conj(i1) == std::conj(double(i1)) );
check_ret_type<long double>(std::conj(ld1));
}
int main()
{
test01();
return 0;
}