fabs(3) - NetBSD Manual Pages

FABS(3)                   NetBSD Programmer's Manual                   FABS(3)


NAME

     fabs - floating-point absolute value function


LIBRARY

     Math Library (libm, -lm)


SYNOPSIS

     #include <math.h>

     double
     fabs(double x);

     float
     fabsf(float x);


DESCRIPTION

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


RETURN VALUES

     The fabs() function returns the absolute value of x.


SEE ALSO

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


STANDARDS

     The fabs() function conforms to ANSI X3.159-1989 (``ANSI C'').

NetBSD 1.4                        May 2, 1991                                1