// (C) Copyright Matt Borland 2021.

// Use, modification and distribution are subject to 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 <cmath>

#include <cfloat>

#include <cstdint>

#include <limits>

#include <type_traits>

#include <boost/math/ccmath/fpclassify.hpp>

#ifdef BOOST_HAS_FLOAT128

#include <boost/multiprecision/float128.hpp>

#endif

template <typename T>

void test()

{

if constexpr (std::numeric_limits<T>::has_quiet_NaN)

{

static_assert(boost::math::ccmath::fpclassify(std::numeric_limits<T>::quiet_NaN()) == FP_NAN);

}

static_assert(boost::math::ccmath::fpclassify(T(0)) == FP_ZERO);

static_assert(boost::math::ccmath::fpclassify(std::numeric_limits<T>::infinity()) == FP_INFINITE);

static_assert(boost::math::ccmath::fpclassify((std::numeric_limits<T>::min)() / T(2)) == FP_SUBNORMAL);

static_assert(boost::math::ccmath::fpclassify(T(1)) == FP_NORMAL);

}

#ifndef BOOST_MATH_NO_CONSTEXPR_DETECTION

int main()

{

test<float>();

test<double>();

#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS

test<long double>();

#endif

#if defined(BOOST_MATH_TEST_FLOAT128) && !defined(BOOST_MATH_USING_BUILTIN_CONSTANT_P) && defined(BOOST_MATH_TEST_FLOAT128)

test<boost::multiprecision::float128>();

#endif

return 0;

}

#else

int main()

{

return 0;

}

#endif