// { dg-options "-std=gnu++11" } // 2008-05-26 Paolo Carlini // // Copyright (C) 2008-2015 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 // . #include #include #include // 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(std::pow(f1, i1)); VERIFY( std::pow(f1, i1) == std::pow(double(f1), double(i1)) ); check_ret_type(std::pow(d1, i1)); check_ret_type(std::pow(ld1, i1)); } int main() { test01(); return 0; }