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Diffstat (limited to 'libstdc++-v3/testsuite/26_numerics/headers/cmath/powi.cc')
-rw-r--r-- | libstdc++-v3/testsuite/26_numerics/headers/cmath/powi.cc | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/26_numerics/headers/cmath/powi.cc b/libstdc++-v3/testsuite/26_numerics/headers/cmath/powi.cc new file mode 100644 index 000000000..2af912357 --- /dev/null +++ b/libstdc++-v3/testsuite/26_numerics/headers/cmath/powi.cc @@ -0,0 +1,63 @@ +// 2005-02-13 Paolo Carlini <pcarlini@suse.de> + +// Copyright (C) 2005, 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/>. + +// 26.5 C Library + +#include <cmath> +#include <testsuite_hooks.h> + +template<typename T> + void test01_do() + { + using namespace std; + bool test __attribute__((unused)) = true; + + VERIFY( pow(T(1.0), 0) == T(1.0) ); + VERIFY( pow(T(2.0), 0) == T(1.0) ); + VERIFY( pow(T(-1.0), 0) == T(1.0) ); + VERIFY( pow(T(-4.0), 0) == T(1.0) ); + + VERIFY( pow(T(1.0), 1) == T(1.0) ); + VERIFY( pow(T(2.0), 1) == T(2.0) ); + VERIFY( pow(T(-1.0), 1) == T(-1.0) ); + VERIFY( pow(T(-4.0), 1) == T(-4.0) ); + + VERIFY( pow(T(1.0), -1) == T(1.0) / T(1.0) ); + VERIFY( pow(T(2.0), -1) == T(1.0) / T(2.0) ); + VERIFY( pow(T(-1.0), -1) == T(1.0) / T(-1.0) ); + VERIFY( pow(T(-4.0), -1) == T(1.0) / T(-4.0) ); + + VERIFY( pow(T(1.0), 2) == T(1.0) * T(1.0) ); + VERIFY( pow(T(2.0), 2) == T(2.0) * T(2.0) ); + VERIFY( pow(T(-1.0), 2) == T(-1.0) * T(-1.0) ); + VERIFY( pow(T(-4.0), 2) == T(-4.0) * T(-4.0) ); + } + +void test01() +{ + test01_do<float>(); + test01_do<double>(); + test01_do<long double>(); +} + +int main() +{ + test01(); + return 0; +} |