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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [26_numerics/] [complex/] [13450.cc] - Rev 742

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// { dg-do run { xfail broken_cplxf_arg } }
 
// Copyright (C) 2004, 2009 Free Software Foundation
//
// 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;
    bool test __attribute__((unused)) = true;
    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;
}
 

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