// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-
#include <boost/multiprecision/cpp_bin_float.hpp>
int main()
{
- typedef boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<256> > ext_float_t;
+ typedef boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<256> > ext_float_t;
typedef boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<2046> > long_ext_float_t;
ext_float_t x = 5e15;
x += 0.5;
ext_float_t x1 = x + 255.0 / (1 << 20); // + 2^-12 - eps
ext_float_t x2 = x + 257.0 / (1 << 20); // + 2^-12 + eps
- double d1 = x1.convert_to<double>();
- double d2 = x2.convert_to<double>();
+ double d1 = x1.convert_to<double>();
+ double d2 = x2.convert_to<double>();
std::cout << std::setprecision(18) << d1 << std::endl;
std::cout << std::setprecision(18) << d2 << std::endl;
- x = 1e7 + 0.5;
- x1 = x + ldexp(255.0, -38); // + 2^-30 - eps
- x2 = x + ldexp(257.0, -38); // + 2^-30 + eps
+ x = 1e7 + 0.5;
+ x1 = x + ldexp(255.0, -38); // + 2^-30 - eps
+ x2 = x + ldexp(257.0, -38); // + 2^-30 + eps
float f1 = x1.convert_to<float>();
float f2 = x2.convert_to<float>();
return (d1 == d2) && (f1 == f2) && (f3 != 1) ? 0 : 1;
}
-