| // { dg-options "-std=gnu++0x" } |
| // 2008-05-26 Paolo Carlini <paolo.carlini@oracle.com> |
| // |
| // Copyright (C) 2008-2014 Free Software Foundation, Inc. |
| // |
| // 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/>. |
| |
| #include <cmath> |
| #include <testsuite_hooks.h> |
| #include <testsuite_tr1.h> |
| |
| // DR 550. What should the return type of pow(float,int) be? |
| void test01() |
| { |
| bool test __attribute__((unused)) = true; |
| using __gnu_test::check_ret_type; |
| |
| const int i1 = 1; |
| const float f1 = 1.0f; |
| const double d1 = 1.0; |
| const long double ld1 = 1.0l; |
| |
| check_ret_type<double>(std::pow(f1, i1)); |
| VERIFY( std::pow(f1, i1) == std::pow(double(f1), double(i1)) ); |
| check_ret_type<double>(std::pow(d1, i1)); |
| check_ret_type<long double>(std::pow(ld1, i1)); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |
