83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
// { dg-do run { xfail broken_cplxf_arg } }
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// Copyright (C) 2004, 2009 Free Software Foundation
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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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// 26.2.8 complex transcendentals
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#include <complex>
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#include <limits>
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#include <testsuite_hooks.h>
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template<typename T>
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void test01_do(T a, T b)
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{
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using namespace std;
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bool test __attribute__((unused)) = true;
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typedef complex<T> cplx;
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T eps = numeric_limits<T>::epsilon() * 100;
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cplx ref = pow(cplx(a, T()), cplx(b, T()));
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cplx res1 = pow(a, cplx(b, T()));
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cplx res2 = pow(cplx(a, T()), b);
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VERIFY( abs(ref - res1) < eps );
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VERIFY( abs(ref - res2) < eps );
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VERIFY( abs(res1 - res2) < eps );
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}
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// libstdc++/13450
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void test01()
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{
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float f1 = -1.0f;
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float f2 = 0.5f;
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test01_do(f1, f2);
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f1 = -3.2f;
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f2 = 1.4f;
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test01_do(f1, f2);
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double d1 = -1.0;
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double d2 = 0.5;
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test01_do(d1, d2);
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d1 = -3.2;
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d2 = 1.4;
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test01_do(d1, d2);
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#if __LDBL_MANT_DIG__ != 106
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/* For IBM long double, epsilon is too small (since 1.0 plus any
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double is representable) to be able to expect results within
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epsilon * 100 (which may be much less than 1ulp for a particular
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long double value). */
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long double ld1 = -1.0l;
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long double ld2 = 0.5l;
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test01_do(ld1, ld2);
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ld1 = -3.2l;
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ld2 = 1.4l;
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test01_do(ld1, ld2);
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#endif
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}
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int main()
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{
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test01();
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return 0;
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}
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