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Diffstat (limited to 'libstdc++-v3/testsuite/26_numerics/headers/cmath/dr550.cc')
| -rw-r--r-- | libstdc++-v3/testsuite/26_numerics/headers/cmath/dr550.cc | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/26_numerics/headers/cmath/dr550.cc b/libstdc++-v3/testsuite/26_numerics/headers/cmath/dr550.cc new file mode 100644 index 000000000..c8f7c5cc5 --- /dev/null +++ b/libstdc++-v3/testsuite/26_numerics/headers/cmath/dr550.cc @@ -0,0 +1,46 @@ +// { dg-options "-std=gnu++0x" } +// 2008-05-26 Paolo Carlini <paolo.carlini@oracle.com> +// +// Copyright (C) 2008, 2009 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; +} |