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// (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/isnormal.hpp>
#ifdef BOOST_HAS_FLOAT128
#include <boost/multiprecision/float128.hpp>
#endif
// Determines if the given argument is normal, i.e. is neither zero, subnormal, infinite nor NaN.
template <typename T>
void test()
{
if constexpr (std::numeric_limits<T>::has_quiet_NaN)
{
static_assert(!boost::math::ccmath::isnormal(std::numeric_limits<T>::quiet_NaN()), "Wrong response to quiet NAN");
}
static_assert(!boost::math::ccmath::isnormal(T(0)), "Wrong response to 0");
if constexpr (!std::is_integral_v<T>)
{
static_assert(!boost::math::ccmath::isnormal((std::numeric_limits<T>::min)() / 2), "Wrong response to subnormal");
static_assert(!boost::math::ccmath::isnormal(std::numeric_limits<T>::infinity()), "Wrong response to infinity");
}
static_assert(boost::math::ccmath::isnormal(T(1)), "Wrong response to normal number");
}
#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)
test<boost::multiprecision::float128>();
#endif
test<int>();
test<unsigned>();
test<long>();
test<std::int32_t>();
test<std::int64_t>();
test<std::uint32_t>();
return 0;
}
#else
int main()
{
return 0;
}
#endif
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