multiprecision/test/test_float_conversions.cpp

41 lines
1.5 KiB
C++

///////////////////////////////////////////////////////////////
// Copyright 2015 John Maddock. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
//
#ifdef _MSC_VER
#define _SCL_SECURE_NO_WARNINGS
#endif
#include <boost/detail/lightweight_test.hpp>
#include <boost/array.hpp>
#include "test.hpp"
#include <boost/multiprecision/cpp_bin_float.hpp>
#include <boost/math/constants/constants.hpp>
int main()
{
using namespace boost::multiprecision;
BOOST_STATIC_ASSERT((boost::is_convertible<float, cpp_bin_float_single>::value));
BOOST_STATIC_ASSERT(!(boost::is_convertible<double, cpp_bin_float_single>::value));
BOOST_STATIC_ASSERT(!(boost::is_convertible<long double, cpp_bin_float_single>::value));
cpp_bin_float_single s = boost::math::constants::pi<cpp_bin_float_single>();
typedef number<backends::cpp_bin_float<11, backends::digit_base_2, void, boost::int8_t, -14, 15>, et_off> cpp_bin_float_half;
BOOST_STATIC_ASSERT(!(boost::is_convertible<float, cpp_bin_float_half>::value));
BOOST_STATIC_ASSERT(!(boost::is_convertible<double, cpp_bin_float_half>::value));
BOOST_STATIC_ASSERT(!(boost::is_convertible<long double, cpp_bin_float_half>::value));
#ifdef BOOST_HAS_FLOAT128
BOOST_STATIC_ASSERT(!(boost::is_convertible<__float128, cpp_bin_float_half>::value));
#endif
cpp_bin_float_half hs = boost::math::constants::pi<cpp_bin_float_half>();
return boost::report_errors();
}