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ckormanyos
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
///////////////////////////////////////////////////////////////
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// Copyright 2012 John Maddock.
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// Copyright 2021 - 2025 Christopher Kormanyos.
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// Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
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#if defined(_MSC_VER)
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#define _SCL_SECURE_NO_WARNINGS
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#endif
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#include <boost/multiprecision/cpp_double_fp.hpp>
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#include "test_arithmetic.hpp"
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void test_constexpr_ness()
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{
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using boost::multiprecision::cpp_double_double;
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constexpr cpp_double_double one { 1 };
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static_assert(static_cast<int>(one) == 1, "Error: constexpr cpp_double_double construction failed");
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BOOST_CHECK(static_cast<int>(one) == 1);
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constexpr cpp_double_double dd_a { 1.23 };
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constexpr cpp_double_double dd_b { 4.56 };
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constexpr cpp_double_double dd_c { dd_a * dd_b };
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constexpr cpp_double_double dd_s { sqrt(dd_a) };
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constexpr cpp_double_double sqrt_hundred { sqrt(cpp_double_double(100)) };
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#if (defined(BOOST_GCC) && !defined(BOOST_CLANG) && (BOOST_GCC < 80000))
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const
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#else
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constexpr
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#endif
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cpp_double_double log_hundred { log(cpp_double_double(100)) };
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static_assert(dd_c > 5, "Error in constexpr multiplication");
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static_assert(dd_s > 1, "Error in constexpr square root");
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static_assert(sqrt_hundred == 10, "Error in constexpr square root");
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#if (defined(BOOST_GCC) && !defined(BOOST_CLANG) && (BOOST_GCC < 80000))
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#else
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static_assert(log_hundred > 4.605, "Error in constexpr logarithm");
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#endif
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BOOST_CHECK(dd_c > 5);
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BOOST_CHECK(dd_s > 1);
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BOOST_CHECK(sqrt_hundred == 10);
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BOOST_CHECK(log_hundred > 4.605);
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}
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int main()
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{
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::test_constexpr_ness();
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using boost::multiprecision::cpp_double_float;
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using boost::multiprecision::cpp_double_double;
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using boost::multiprecision::cpp_double_long_double;
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#ifdef BOOST_HAS_FLOAT128
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using boost::multiprecision::cpp_double_float128;
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#endif
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test<cpp_double_float>();
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test<cpp_double_double>();
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test<cpp_double_long_double>();
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#ifdef BOOST_HAS_FLOAT128
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test<cpp_double_float128>();
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#endif
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return boost::report_errors();
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}
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