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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/test/minimal.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 test_main(int, char *[]) {
- BOOST_CHECK(test_pow(2, 3, 8, 27, 3));
- BOOST_CHECK(test_pow(2, 3, 16, 81, 4));
- BOOST_CHECK(test_pow(-3, 2, -27, 8, 3));
- BOOST_CHECK(test_pow(-3, 2, 0, 81, 4));
- BOOST_CHECK(test_pow(-3, -2, -27, -8, 3));
- BOOST_CHECK(test_pow(-3, -2, 16, 81, 4));
- BOOST_CHECK(test_pow(2, 4, 1./64, 1./8, -3));
- BOOST_CHECK(test_pow(2, 4, 1./256, 1./16, -4));
- BOOST_CHECK(test_pow(-4, -2, -1./8, -1./64, -3));
- BOOST_CHECK(test_pow(-4, -2, 1./256, 1./16, -4));
- BOOST_CHECK(test_pow(2, 3, 1, 1, 0));
- BOOST_CHECK(test_pow(-3, 2, 1, 1, 0));
- BOOST_CHECK(test_pow(-3, -2, 1, 1, 0));
- # ifdef __BORLANDC__
- ::detail::ignore_warnings();
- # endif
- return 0;
- }
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