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a4282229f5
Needed for tests to pass with 128 bit long double types Co-authored-by: Reimar Döffinger <reimar.doeffinger@arm.com>
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
// (C) Copyright Matt Borland 2021.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <cmath>
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#include <cfloat>
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#include <cstdint>
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#include <limits>
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#include <boost/math/ccmath/isinf.hpp>
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#include <boost/core/lightweight_test.hpp>
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#ifdef BOOST_HAS_FLOAT128
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#include <boost/multiprecision/float128.hpp>
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#endif
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template <typename T>
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void test()
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{
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using std::exp;
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// Integer types define infinity as 0
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// https://en.cppreference.com/w/cpp/types/numeric_limits/infinity
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if constexpr(std::is_integral_v<T>)
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{
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constexpr bool test_val = boost::math::ccmath::isinf(T(0));
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static_assert(test_val, "Not constexpr");
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}
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else
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{
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constexpr bool test_val = boost::math::ccmath::isinf(T(0));
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static_assert(!test_val, "Not constexpr");
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}
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if constexpr (std::numeric_limits<T>::has_quiet_NaN)
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{
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static_assert(!boost::math::ccmath::isinf(std::numeric_limits<T>::quiet_NaN()));
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}
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static_assert(boost::math::ccmath::isinf(std::numeric_limits<T>::infinity()));
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}
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// Only test on platforms that provide BOOST_MATH_IS_CONSTANT_EVALUATED
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#ifndef BOOST_MATH_NO_CONSTEXPR_DETECTION
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int main()
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{
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test<float>();
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test<double>();
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#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
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test<long double>();
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#endif
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#if defined(BOOST_MATH_TEST_FLOAT128) && !defined(BOOST_MATH_USING_BUILTIN_CONSTANT_P) && defined(BOOST_MATH_TEST_FLOAT128)
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test<boost::multiprecision::float128>();
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#endif
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test<int>();
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test<unsigned>();
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test<long>();
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test<std::int32_t>();
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test<std::int64_t>();
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test<std::uint32_t>();
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return boost::report_errors();
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}
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#else
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int main()
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{
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return 0;
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}
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#endif
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