1// { dg-do run { xfail broken_cplxf_arg } } 2// { dg-options "-O0" } 3// 2000-11-20 4// Benjamin Kosnik bkoz@redhat.com 5 6// Copyright (C) 2000-2015 Free Software Foundation, Inc. 7// 8// This file is part of the GNU ISO C++ Library. This library is free 9// software; you can redistribute it and/or modify it under the 10// terms of the GNU General Public License as published by the 11// Free Software Foundation; either version 3, or (at your option) 12// any later version. 13 14// This library is distributed in the hope that it will be useful, 15// but WITHOUT ANY WARRANTY; without even the implied warranty of 16// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17// GNU General Public License for more details. 18 19// You should have received a copy of the GNU General Public License along 20// with this library; see the file COPYING3. If not see 21// <http://www.gnu.org/licenses/>. 22 23#include <complex> 24#include <testsuite_hooks.h> 25 26void test01() 27{ 28 using namespace std; 29 bool test __attribute__((unused)) = true; 30 typedef complex<double> complex_type; 31 const double cd1 = -11.451; 32 const double cd2 = -442.1533; 33 34 complex_type a(cd1, cd2); 35 double d; 36 d = a.real(); 37 VERIFY( d == cd1 ); 38 39 d = a.imag(); 40 VERIFY( d == cd2 ); 41 42 complex_type c(cd1, cd2); 43 double d6 = abs(c); 44 VERIFY( d6 >= 0 ); 45 46 double d7 = arg(c); 47 double d8 = atan2(c.imag(), c.real()); 48 VERIFY( d7 == d8 ); 49 50 double d9 = norm(c); 51 double d10 = d6 * d6; 52 VERIFY( d9 - d10 == 0 ); 53 54 complex_type e __attribute__((unused)) = conj(c); 55 56 complex_type f = polar(c.imag(), 0.0); 57 VERIFY( f.real() != 0 ); 58} 59 60 61int main() 62{ 63 test01(); 64 return 0; 65} 66