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/* Boost test/overflow.cpp
* test if extended precision exponent does not disturb interval computation
*
* 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"
template<class I>
void test_one(typename I::base_type x, typename I::base_type f) {
I y = x;
typename I::base_type g = 1 / f;
const int nb = 10000;
for(int i = 0; i < nb; i++) y *= f;
for(int i = 0; i < nb; i++) y *= g;
BOOST_TEST(in(x, y));
# ifdef BOOST_BORLANDC
::detail::ignore_unused_variable_warning(nb);
# endif
}
template<class I>
void test() {
test_one<I>(1., 25.);
test_one<I>(1., 0.04);
test_one<I>(-1., 25.);
test_one<I>(-1., 0.04);
}
int main() {
test<boost::numeric::interval<float> >();
test<boost::numeric::interval<double> >();
//test<boost::numeric::interval<long double> >();
# ifdef BOOST_BORLANDC
::detail::ignore_warnings();
# endif
return boost::report_errors();
}
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