__math_signbit.c File Reference

#include "../math.h"

Functions
int	__math_signbit (double x)
	The signbit determines whether the sign of its argument value is negative. More...

Function Documentation

__math_signbit()

int __math_signbit

(

double

x

)

The signbit determines whether the sign of its argument value is negative.

Parameters

arg	The value to check.

Returns

The signbit returns a nonzero value if and only if the sign of its argument value is negative.