1// { dg-options "-std=gnu++11" }
2// 2008-05-26  Paolo Carlini  <paolo.carlini@oracle.com>
3//
4// Copyright (C) 2008-2015 Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11//
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16//
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21#include <cmath>
22#include <testsuite_hooks.h>
23#include <testsuite_tr1.h>
24
25// DR 550. What should the return type of pow(float,int) be?
26void test01()
27{
28  bool test __attribute__((unused)) = true;
29  using __gnu_test::check_ret_type;
30
31  const int          i1 = 1;
32  const float        f1 = 1.0f;
33  const double       d1 = 1.0;
34  const long double ld1 = 1.0l;
35
36  check_ret_type<double>(std::pow(f1, i1));
37  VERIFY( std::pow(f1, i1) == std::pow(double(f1), double(i1)) );
38  check_ret_type<double>(std::pow(d1, i1));
39  check_ret_type<long double>(std::pow(ld1, i1));
40}
41
42int main()
43{
44  test01();
45  return 0;
46}
47