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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;

}