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/* Boost test/pow.cpp
* test the pow function
*
* Copyright 2002-2003 Guillaume Melquiond
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or
* copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/numeric/interval.hpp>
#include <boost/core/lightweight_test.hpp>
#include "bugs.hpp"
bool test_pow(double al, double au, double bl, double bu, int p) {
typedef boost::numeric::interval<double> I;
I b = pow(I(al, au), p);
return b.lower() == bl && b.upper() == bu;
}
int main() {
BOOST_TEST(test_pow(2, 3, 8, 27, 3));
BOOST_TEST(test_pow(2, 3, 16, 81, 4));
BOOST_TEST(test_pow(-3, 2, -27, 8, 3));
BOOST_TEST(test_pow(-3, 2, 0, 81, 4));
BOOST_TEST(test_pow(-3, -2, -27, -8, 3));
BOOST_TEST(test_pow(-3, -2, 16, 81, 4));
BOOST_TEST(test_pow(2, 4, 1./64, 1./8, -3));
BOOST_TEST(test_pow(2, 4, 1./256, 1./16, -4));
BOOST_TEST(test_pow(-4, -2, -1./8, -1./64, -3));
BOOST_TEST(test_pow(-4, -2, 1./256, 1./16, -4));
BOOST_TEST(test_pow(2, 3, 1, 1, 0));
BOOST_TEST(test_pow(-3, 2, 1, 1, 0));
BOOST_TEST(test_pow(-3, -2, 1, 1, 0));
# ifdef BOOST_BORLANDC
::detail::ignore_warnings();
# endif
return boost::report_errors();
}
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