Linux Standard Base Core Specification, Generic Part
<<< Previous		Next >>>

__signbit

Name

__signbit -- test sign of floating point value

Synopsis

#include <math.h>

int __signbit(double arg);

Description

__signbit() has the same specification as signbit() in POSIX 1003.1-2008 (ISO/IEC 9945-2009), except that the argument type for __signbit() is known to be double.

__signbit() is not in the source standard; it is only in the binary standard.

<<< Previous	Home	Next >>>
__fpclassifyf	Up	__signbitf