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