76 lines
2.4 KiB
Groff
76 lines
2.4 KiB
Groff
.\" Copyright (c) 1990, 1991 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.
|
|
.\"
|
|
.\" $OpenBSD: abs.3,v 1.12 2019/01/18 07:32:17 schwarze Exp $
|
|
.\"
|
|
.Dd $Mdocdate: January 18 2019 $
|
|
.Dt ABS 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm abs
|
|
.Nd integer absolute value function
|
|
.Sh SYNOPSIS
|
|
.In limits.h
|
|
.In stdlib.h
|
|
.Ft int
|
|
.Fn abs "int j"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn abs
|
|
function computes the absolute value of the integer
|
|
.Fa j .
|
|
.Sh RETURN VALUES
|
|
The
|
|
.Fn abs
|
|
function returns the absolute value.
|
|
.Sh SEE ALSO
|
|
.Xr cabs 3 ,
|
|
.Xr floor 3 ,
|
|
.Xr hypot 3 ,
|
|
.Xr imaxabs 3 ,
|
|
.Xr labs 3
|
|
.Sh STANDARDS
|
|
The
|
|
.Fn abs
|
|
function conforms to
|
|
.St -ansiC .
|
|
.Sh HISTORY
|
|
The
|
|
.Fn abs
|
|
function first appeared in
|
|
.At v6 .
|
|
.Sh CAVEATS
|
|
The result of applying
|
|
.Fn abs
|
|
to
|
|
.Dv INT_MIN
|
|
is undefined.
|