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test_compute_float64.cpp
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37 lines (29 loc) · 1.04 KB
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// Copyright 2023 Matt Borland
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/charconv/detail/compute_float64.hpp>
#include <boost/core/lightweight_test.hpp>
#include <random>
#include <limits>
#include <cstdint>
#include <cmath>
using boost::charconv::detail::compute_float64;
inline void simple_test()
{
bool success;
// Trivial verifcation
BOOST_TEST_EQ(compute_float64(1, 1, false, success), 1e1);
BOOST_TEST_EQ(compute_float64(0, 1, true, success), -1e0);
BOOST_TEST_EQ(compute_float64(308, 1, false, success), 1e308);
// out of range
BOOST_TEST_EQ(compute_float64(310, 5, false, success), HUGE_VAL);
BOOST_TEST_EQ(compute_float64(-325, 5, false, success), 0);
// Composite
BOOST_TEST_EQ(compute_float64(10, 123456789, false, success), 123456789e10);
BOOST_TEST_EQ(compute_float64(100, UINT64_C(4444444444444444444), false, success), 4444444444444444444e100);
}
int main(void)
{
simple_test();
return boost::report_errors();
}