opendarwin man page for fabs

FABS(3) 						   BSD Library Functions Manual 						   FABS(3)

NAME
     fabs -- floating-point absolute value function

SYNOPSIS
     #include <math.h>

     double
     fabs(double x);

     float
     fabsf(float x);

DESCRIPTION
     The fabs() and fabsf() functions compute the absolute value of a floating-point number x.

SPECIAL VALUES
     fabs(+-0) returns 0.

     fabs(+-infinity) returns +infinity.

SEE ALSO
     abs(3), ceil(3), floor(3), rint(3), ieee(3), math(3)

STANDARDS
     The fabs() and fabsf() functions conform to ISO/IEC 9899:1999(E).

BSD
								 November 20, 2002							       BSD