minix/lib/libm/man/fabs.3

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.\" Copyright (c) 1991 The Regents of the University of California.
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.\" from: @(#)fabs.3 5.1 (Berkeley) 5/2/91
.\" $NetBSD: fabs.3,v 1.14 2003/08/07 16:44:47 agc Exp $
.\"
.Dd May 2, 1991
.Dt FABS 3
.Os
.Sh NAME
.Nm fabs ,
.Nm fabsf
.Nd floating-point absolute value function
.Sh LIBRARY
.Lb libm
.Sh SYNOPSIS
.In math.h
.Ft double
.Fn fabs "double x"
.Ft float
.Fn fabsf "float x"
.Sh DESCRIPTION
The
.Fn fabs
and
.Fn fabsf
functions compute 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 ieee 3 ,
.Xr math 3 ,
.Xr rint 3
.Sh STANDARDS
The
.Fn fabs
function conforms to
.St -ansiC .