libstdc++-v3/testsuite/26_numerics/complex/50880.cc

   1 // { dg-options "-std=gnu++0x" }
   2 //
   3 // Copyright (C) 2011-2013 Free Software Foundation, Inc.
   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 #include <complex>
  21 #include <testsuite_hooks.h>
  22
  23 template<typename T>
  24   void test01_do()
  25   {
  26     bool test __attribute__((unused)) = true;
  27
  28     const std::complex<T> ca(T(-2), T(2));
  29     const std::complex<T> cb(T(-2), T(0));
  30     const std::complex<T> cc(T(-2), T(-2));
  31
  32     std::complex<T> cra = std::acosh(ca);
  33     std::complex<T> crb = std::acosh(cb);
  34     std::complex<T> crc = std::acosh(cc);
  35
  36     VERIFY( cra.real() > T(0) );
  37     VERIFY( crb.real() > T(0) );
  38     VERIFY( crc.real() > T(0) );
  39   }
  40
  41 // libstdc++/50880
  42 void test01()
  43 {
  44   test01_do<float>();
  45   test01_do<double>();
  46   test01_do<long double>();
  47 }
  48
  49 int main()
  50 {
  51   test01();
  52   return 0;
  53 }