1// { dg-do run { xfail broken_cplxf_arg } } 2 3// Copyright (C) 2004, 2009 Free Software Foundation 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 26.2.8 complex transcendentals 21 22#include <complex> 23#include <limits> 24#include <testsuite_hooks.h> 25 26template<typename T> 27 void test01_do(T a, T b) 28 { 29 using namespace std; 30 bool test __attribute__((unused)) = true; 31 typedef complex<T> cplx; 32 33 T eps = numeric_limits<T>::epsilon() * 100; 34 35 cplx ref = pow(cplx(a, T()), cplx(b, T())); 36 cplx res1 = pow(a, cplx(b, T())); 37 cplx res2 = pow(cplx(a, T()), b); 38 39 VERIFY( abs(ref - res1) < eps ); 40 VERIFY( abs(ref - res2) < eps ); 41 VERIFY( abs(res1 - res2) < eps ); 42 } 43 44// libstdc++/13450 45void test01() 46{ 47 float f1 = -1.0f; 48 float f2 = 0.5f; 49 test01_do(f1, f2); 50 51 f1 = -3.2f; 52 f2 = 1.4f; 53 test01_do(f1, f2); 54 55 double d1 = -1.0; 56 double d2 = 0.5; 57 test01_do(d1, d2); 58 59 d1 = -3.2; 60 d2 = 1.4; 61 test01_do(d1, d2); 62 63#if __LDBL_MANT_DIG__ != 106 64 /* For IBM long double, epsilon is too small (since 1.0 plus any 65 double is representable) to be able to expect results within 66 epsilon * 100 (which may be much less than 1ulp for a particular 67 long double value). */ 68 long double ld1 = -1.0l; 69 long double ld2 = 0.5l; 70 test01_do(ld1, ld2); 71 72 ld1 = -3.2l; 73 ld2 = 1.4l; 74 test01_do(ld1, ld2); 75#endif 76} 77 78int main() 79{ 80 test01(); 81 return 0; 82} 83