half_float::literal Namespace Reference

Library-defined half-precision literals. More...

Functions
half	operator""_h (long double value)
	Half literal. More...

Detailed Description

Library-defined half-precision literals.

Import this namespace to enable half-precision floating-point literals:

using namespace half_float::literal;
half_float::half = 4.2_h;

Function Documentation

operator""_h()

half operator""_h ( long double  value )

inline

Half literal.

While this returns a properly rounded half-precision value, half literals can unfortunately not be constant expressions due to rather involved conversions. So don't expect this to be a literal literal without involving conversion operations at runtime. It is a convenience feature, not a performance optimization.

Parameters

value

literal value

Returns

half with of given value (possibly rounded)

Exceptions

FE_OVERFLOW,...UNDERFLOW,...INEXACT

according to rounding