mirror of
https://github.com/boostorg/charconv.git
synced 2026-02-10 23:32:20 +00:00
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
// Copyright 2023 Matt Borland
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// https://www.boost.org/LICENSE_1_0.txt
|
|
|
|
#include <boost/charconv/detail/config.hpp>
|
|
|
|
#ifdef BOOST_CHARCONV_HAS_FLOAT128
|
|
|
|
#ifdef BOOST_CHARCONV_HAS_STDFLOAT128
|
|
#define BOOST_CHARCONV_HAS_FLOAT128_OSTREAM
|
|
#include <ostream>
|
|
#include <charconv>
|
|
|
|
std::ostream& operator<<( std::ostream& os, __float128 v )
|
|
{
|
|
char buffer[ 256 ] {};
|
|
std::to_chars(buffer, buffer + sizeof(buffer), static_cast<std::float128_t>(v));
|
|
os << buffer;
|
|
return os;
|
|
}
|
|
|
|
#endif // BOOST_CHARCONV_HAS_STDFLOAT128
|
|
|
|
#include <boost/charconv/detail/issignaling.hpp>
|
|
#include <boost/core/lightweight_test.hpp>
|
|
#include <limits>
|
|
|
|
void test_signaling_nan()
|
|
{
|
|
BOOST_TEST(boost::charconv::detail::issignaling(std::numeric_limits<__float128>::signaling_NaN()));
|
|
BOOST_TEST(!boost::charconv::detail::issignaling(std::numeric_limits<__float128>::quiet_NaN()));
|
|
BOOST_TEST(!boost::charconv::detail::issignaling(std::numeric_limits<__float128>::infinity()));
|
|
BOOST_TEST(boost::charconv::detail::issignaling(-std::numeric_limits<__float128>::signaling_NaN()));
|
|
BOOST_TEST(!boost::charconv::detail::issignaling(-std::numeric_limits<__float128>::quiet_NaN()));
|
|
BOOST_TEST(!boost::charconv::detail::issignaling(-std::numeric_limits<__float128>::infinity()));
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test_signaling_nan();
|
|
|
|
return boost::report_errors();
|
|
}
|
|
|
|
#else
|
|
|
|
int main()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif
|