mirror of
https://github.com/boostorg/math.git
synced 2025-05-11 21:33:52 +00:00
78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
// (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/hypot.hpp>
|
|
#include <boost/math/ccmath/isnan.hpp>
|
|
#include <boost/math/ccmath/isinf.hpp>
|
|
#include <boost/math/ccmath/sqrt.hpp>
|
|
|
|
#ifdef BOOST_HAS_FLOAT128
|
|
#include <boost/multiprecision/float128.hpp>
|
|
#endif
|
|
|
|
#if !defined(BOOST_MATH_NO_CONSTEXPR_DETECTION) && !defined(BOOST_MATH_USING_BUILTIN_CONSTANT_P)
|
|
template <typename T>
|
|
constexpr void test()
|
|
{
|
|
// Error Handling
|
|
if constexpr (std::numeric_limits<T>::has_quiet_NaN)
|
|
{
|
|
static_assert(boost::math::ccmath::isnan(boost::math::ccmath::hypot(std::numeric_limits<T>::quiet_NaN(), T(1))), "If x is NaN, NaN is returned");
|
|
static_assert(boost::math::ccmath::isnan(boost::math::ccmath::hypot(T(1), std::numeric_limits<T>::quiet_NaN())), "If y is NaN, NaN is returned");
|
|
}
|
|
|
|
static_assert(boost::math::ccmath::isinf(boost::math::ccmath::hypot(std::numeric_limits<T>::infinity(), T(1))));
|
|
static_assert(boost::math::ccmath::isinf(boost::math::ccmath::hypot(-std::numeric_limits<T>::infinity(), T(1))));
|
|
static_assert(boost::math::ccmath::isinf(boost::math::ccmath::hypot(T(1), std::numeric_limits<T>::infinity())));
|
|
static_assert(boost::math::ccmath::isinf(boost::math::ccmath::hypot(T(1), -std::numeric_limits<T>::infinity())));
|
|
|
|
// Correct promoted types
|
|
if constexpr (!std::is_same_v<T, float>)
|
|
{
|
|
constexpr auto test_type = boost::math::ccmath::hypot(T(1), 1.0f);
|
|
static_assert(std::is_same_v<T, std::remove_cv_t<decltype(test_type)>>);
|
|
}
|
|
else
|
|
{
|
|
constexpr auto test_type = boost::math::ccmath::hypot(1.0f, 1);
|
|
static_assert(std::is_same_v<double, std::remove_cv_t<decltype(test_type)>>);
|
|
}
|
|
|
|
// Functionality
|
|
static_assert(boost::math::ccmath::hypot(T(1), T(1)) == boost::math::ccmath::sqrt(T(2)));
|
|
static_assert(boost::math::ccmath::hypot(T(-1), T(1)) == boost::math::ccmath::sqrt(T(2)));
|
|
static_assert(boost::math::ccmath::hypot(T(-1), T(-1)) == boost::math::ccmath::sqrt(T(2)));
|
|
static_assert(boost::math::ccmath::hypot(T(1), T(-1)) == boost::math::ccmath::sqrt(T(2)));
|
|
static_assert(boost::math::ccmath::hypot(T(1), T(2)) == boost::math::ccmath::sqrt(T(5)));
|
|
static_assert(boost::math::ccmath::hypot(T(2), T(2)) == boost::math::ccmath::sqrt(T(8)));
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test<float>();
|
|
test<double>();
|
|
|
|
#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
|
|
test<long double>();
|
|
#endif
|
|
|
|
#ifdef BOOST_HAS_FLOAT128
|
|
test<boost::multiprecision::float128>();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
int main()
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|