.\" Copyright (c) 1991, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\"	@(#)fabs.3	8.1 (Berkeley) 06/04/93
.\" %sccs.include.redist.man%
.\"
.\"     @(#)fabs.3	8.1 (Berkeley) 06/04/93
.\"
.Dd 
.Dt FABS 3
.Os
.Sh NAME
.Nm fabs
.Nd floating-point absolute value function
.Sh SYNOPSIS
.Fd #include <math.h>
.Ft double
.Fn fabs "double x"
.Sh DESCRIPTION
The
.Fn fabs
function computes the absolute value of a floating-point number
.Fa x .
.Sh RETURN VALUES
The
.Fn fabs
function returns the absolute value of
.Fa x .
.Sh SEE ALSO
.Xr abs 3 ,
.Xr ceil 3 ,
.Xr floor 3 ,
.Xr rint 3 ,
.Xr ieee 3 ,
.Xr math.3
.Sh STANDARDS
The
.Fn fabs
function conforms to
.St -ansiC .