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// Distributed under the Boost Software License, Version 1.0.

// https://www.boost.org/LICENSE_1_0.txt

// See: https://github.com/boostorg/decimal/issues/1306

#include <boost/decimal.hpp>

#include <boost/core/lightweight_test.hpp>

#include <limits>

using namespace boost::decimal;

template <typename T>

void test()

{

const T downward {13, detail::etiny_v<T> + 3};

BOOST_TEST_EQ(downward * T{"1e-4"}, std::numeric_limits<T>::denorm_min());

const T upward {15, detail::etiny_v<T> + 3};

BOOST_TEST_EQ(upward * T{"1e-4"}, T(2, detail::etiny_v<T>));

const T non_rounded {1234, detail::etiny_v<T> - 3};

BOOST_TEST_EQ(non_rounded, std::numeric_limits<T>::denorm_min());

const T rounded {1999, detail::etiny_v<T> - 3};

BOOST_TEST_EQ(rounded, T(2, detail::etiny_v<T>));

}

int main()

{

test<decimal32_t>();

test<decimal64_t>();

test<decimal128_t>();

return boost::report_errors();

}

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