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Import of Interval library

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[SVN r16980]
This commit is contained in:
Guillaume Melquiond
2003-01-21 17:20:32 +00:00
commit 21e378f40b
62 changed files with 8258 additions and 0 deletions
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test/io.cpp Normal file
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#include <boost/numeric/interval.hpp>
#include <boost/numeric/interval/io.hpp>
#include <boost/test/test_tools.hpp>
#include <string>
#include <iostream>
#include <sstream>
#include <iomanip>
using namespace boost;
using namespace interval_lib;
namespace my_namespace {
template<class T>
bool test(int precision) {
interval<T> pi_i( 3.1415926, 3.1415927 );
// write pi_i to a string
std::ostringstream oss;
oss.precision(precision);
oss << pi_i;
std::string pi_string = oss.str();
#ifdef BOOST_NUMERIC_INTERVAL_IO_VERBOSE
std::cerr << "FYI: printing [3.1415926,3.1415927] with precision "
<< precision << " as "
<< std::setprecision(precision) << pi_i << std::endl;
#endif
// read pi_o from same string
interval<T> pi_o;
std::istringstream iss(pi_string);
iss >> pi_o;
// the result should be at least as imprecise
#ifdef BOOST_NUMERIC_INTERVAL_IO_VERBOSE
if (!subset(pi_i, pi_o))
std::cerr << "Error: getting [3.1415926,3.1415927] with precision "
<< precision << " as " << std::setprecision(precision)
<< "[" << pi_o.lower() << std::setprecision(precision)
<< "," << pi_o.upper() << "]" << std::endl;
else
std::cerr << "Good: getting [3.1415926,3.1415927] with precision "
<< precision << " as " << std::setprecision(precision)
<< "[" << pi_o.lower() << std::setprecision(precision)
<< "," << pi_o.upper() << "]" << std::endl;
#endif
return subset(pi_i, pi_o);
}
} // namespace my_namespace
int test_main(int, char *[]) {
using my_namespace::test;
BOOST_TEST(test<float>(0));
BOOST_TEST(test<float>(1));
BOOST_TEST(test<float>(2));
BOOST_TEST(test<float>(3));
BOOST_TEST(test<float>(4));
BOOST_TEST(test<float>(5));
BOOST_TEST(test<float>(6));
BOOST_TEST(test<float>(7));
BOOST_TEST(test<float>(8));
BOOST_TEST(test<double>(0));
BOOST_TEST(test<double>(1));
BOOST_TEST(test<double>(2));
BOOST_TEST(test<double>(3));
BOOST_TEST(test<double>(4));
BOOST_TEST(test<double>(5));
BOOST_TEST(test<double>(6));
BOOST_TEST(test<double>(7));
BOOST_TEST(test<double>(8));
BOOST_TEST(test<double>(9));
BOOST_TEST(test<double>(10));
BOOST_TEST(test<double>(11));
BOOST_TEST(test<double>(12));
BOOST_TEST(test<double>(13));
BOOST_TEST(test<double>(14));
BOOST_TEST(test<double>(15));
BOOST_TEST(test<long double>(0));
BOOST_TEST(test<long double>(1));
BOOST_TEST(test<long double>(2));
BOOST_TEST(test<long double>(3));
BOOST_TEST(test<long double>(4));
BOOST_TEST(test<long double>(5));
BOOST_TEST(test<long double>(6));
BOOST_TEST(test<long double>(7));
BOOST_TEST(test<long double>(8));
BOOST_TEST(test<long double>(9));
BOOST_TEST(test<long double>(10));
BOOST_TEST(test<long double>(11));
BOOST_TEST(test<long double>(12));
BOOST_TEST(test<long double>(13));
BOOST_TEST(test<long double>(14));
BOOST_TEST(test<long double>(15));
return 0;
}