blob: 72e814008c526a9adc38394863944422997aef0e [file] [log] [blame]
// { dg-do run { xfail broken_cplxf_arg } }
// Copyright (C) 2004-2022 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/>.
// 26.2.8 complex transcendentals
#include <complex>
#include <limits>
#include <testsuite_hooks.h>
template<typename T>
void test01_do(T a, T b)
{
using namespace std;
typedef complex<T> cplx;
T eps = numeric_limits<T>::epsilon() * 100;
cplx ref = pow(cplx(a, T()), cplx(b, T()));
cplx res1 = pow(a, cplx(b, T()));
cplx res2 = pow(cplx(a, T()), b);
VERIFY( abs(ref - res1) < eps );
VERIFY( abs(ref - res2) < eps );
VERIFY( abs(res1 - res2) < eps );
}
// libstdc++/13450
void test01()
{
float f1 = -1.0f;
float f2 = 0.5f;
test01_do(f1, f2);
f1 = -3.2f;
f2 = 1.4f;
test01_do(f1, f2);
double d1 = -1.0;
double d2 = 0.5;
test01_do(d1, d2);
d1 = -3.2;
d2 = 1.4;
test01_do(d1, d2);
#if __LDBL_MANT_DIG__ != 106
/* For IBM long double, epsilon is too small (since 1.0 plus any
double is representable) to be able to expect results within
epsilon * 100 (which may be much less than 1ulp for a particular
long double value). */
long double ld1 = -1.0l;
long double ld2 = 0.5l;
test01_do(ld1, ld2);
ld1 = -3.2l;
ld2 = 1.4l;
test01_do(ld1, ld2);
#endif
}
int main()
{
test01();
return 0;
}