77 lines
2.4 KiB
Groff
77 lines
2.4 KiB
Groff
|
.\" $NetBSD: abs.3,v 1.13 2008/08/04 21:29:27 matt Exp $
|
||
|
|
.\"
|
||
|
|
.\" Copyright (c) 1990, 1991, 1993
|
||
|
|
.\" The Regents of the University of California. All rights reserved.
|
||
|
|
.\"
|
||
|
|
.\" This code is derived from software contributed to Berkeley by
|
||
|
|
.\" the American National Standards Committee X3, on Information
|
||
|
|
.\" Processing Systems.
|
||
|
|
.\"
|
||
|
|
.\" Redistribution and use in source and binary forms, with or without
|
||
|
|
.\" modification, are permitted provided that the following conditions
|
||
|
|
.\" are met:
|
||
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
||
|
|
.\" notice, this list of conditions and the following disclaimer.
|
||
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
||
|
|
.\" documentation and/or other materials provided with the distribution.
|
||
|
|
.\" 3. Neither the name of the University nor the names of its contributors
|
||
|
|
.\" may be used to endorse or promote products derived from this software
|
||
|
|
.\" without specific prior written permission.
|
||
|
|
.\"
|
||
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
.\" SUCH DAMAGE.
|
||
|
|
.\"
|
||
|
|
.\" from: @(#)abs.3 8.1 (Berkeley) 6/4/93
|
||
|
|
.\"
|
||
|
|
.Dd June 4, 1993
|
||
|
|
.Dt ABS 3
|
||
|
|
.Os
|
||
|
|
.Sh NAME
|
||
|
|
.Nm abs
|
||
|
|
.Nd integer absolute value function
|
||
|
|
.Sh LIBRARY
|
||
|
|
.Lb libc
|
||
|
|
.Sh SYNOPSIS
|
||
|
|
.In stdlib.h
|
||
|
|
.Ft int
|
||
|
|
.Fn abs "int j"
|
||
|
|
.Sh DESCRIPTION
|
||
|
|
The
|
||
|
|
.Fn abs
|
||
|
|
function
|
||
|
|
computes
|
||
|
|
the absolute value of the integer
|
||
|
|
.Ar j .
|
||
|
|
.Sh RETURN VALUES
|
||
|
|
The
|
||
|
|
.Fn abs
|
||
|
|
function
|
||
|
|
returns
|
||
|
|
the absolute value.
|
||
|
|
.Sh SEE ALSO
|
||
|
|
.Xr cabs 3 ,
|
||
|
|
.Xr fabs 3 ,
|
||
|
|
.Xr floor 3 ,
|
||
|
|
.Xr hypot 3 ,
|
||
|
|
.Xr imaxabs 3 ,
|
||
|
|
.Xr labs 3 ,
|
||
|
|
.Xr llabs 3 ,
|
||
|
|
.Xr math 3
|
||
|
|
.Sh STANDARDS
|
||
|
|
The
|
||
|
|
.Fn abs
|
||
|
|
function conforms to
|
||
|
|
.St -ansiC .
|
||
|
|
.Sh BUGS
|
||
|
|
The absolute value of the most negative integer remains negative.
|