| 1 | // Copyright 2023 Matt Borland |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // https://www.boost.org/LICENSE_1_0.txt |
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| 4 | |
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| 5 | #include <boost/charconv/detail/compute_float64.hpp> |
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| 6 | #include <boost/core/lightweight_test.hpp> |
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| 7 | #include <random> |
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| 8 | #include <limits> |
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| 9 | #include <cstdint> |
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| 10 | #include <cmath> |
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| 11 | |
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| 12 | using boost::charconv::detail::compute_float64; |
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| 13 | |
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| 14 | inline void simple_test() |
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| 15 | { |
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| 16 | bool success; |
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| 17 | |
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| 18 | // Trivial verifcation |
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| 19 | BOOST_TEST_EQ(compute_float64(1, 1, false, success), 1e1); |
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| 20 | BOOST_TEST_EQ(compute_float64(0, 1, true, success), -1e0); |
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| 21 | BOOST_TEST_EQ(compute_float64(308, 1, false, success), 1e308); |
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| 22 | |
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| 23 | // out of range |
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| 24 | BOOST_TEST_EQ(compute_float64(310, 5, false, success), HUGE_VAL); |
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| 25 | BOOST_TEST_EQ(compute_float64(-325, 5, false, success), 0); |
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| 26 | |
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| 27 | // Composite |
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| 28 | BOOST_TEST_EQ(compute_float64(10, 123456789, false, success), 123456789e10); |
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| 29 | BOOST_TEST_EQ(compute_float64(100, UINT64_C(4444444444444444444), false, success), 4444444444444444444e100); |
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| 30 | } |
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| 31 | |
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| 32 | int main(void) |
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| 33 | { |
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| 34 | simple_test(); |
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| 35 | |
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| 36 | return boost::report_errors(); |
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| 37 | } |
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| 38 | |
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