xref: /freebsd/lib/libc/stdlib/abs.3 (revision dc36d6f9bb1753f3808552f3afd30eda9a7b206a)
158f0484fSRodney W. Grimes.\" Copyright (c) 1990, 1991, 1993
258f0484fSRodney W. Grimes.\"	The Regents of the University of California.  All rights reserved.
358f0484fSRodney W. Grimes.\"
458f0484fSRodney W. Grimes.\" This code is derived from software contributed to Berkeley by
558f0484fSRodney W. Grimes.\" the American National Standards Committee X3, on Information
658f0484fSRodney W. Grimes.\" Processing Systems.
758f0484fSRodney W. Grimes.\"
858f0484fSRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without
958f0484fSRodney W. Grimes.\" modification, are permitted provided that the following conditions
1058f0484fSRodney W. Grimes.\" are met:
1158f0484fSRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright
1258f0484fSRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer.
1358f0484fSRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright
1458f0484fSRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer in the
1558f0484fSRodney W. Grimes.\"    documentation and/or other materials provided with the distribution.
163fb3b97cSEd Maste.\" 3. Neither the name of the University nor the names of its contributors
1758f0484fSRodney W. Grimes.\"    may be used to endorse or promote products derived from this software
1858f0484fSRodney W. Grimes.\"    without specific prior written permission.
1958f0484fSRodney W. Grimes.\"
2058f0484fSRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2158f0484fSRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2258f0484fSRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2358f0484fSRodney W. Grimes.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2458f0484fSRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2558f0484fSRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2658f0484fSRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2758f0484fSRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2858f0484fSRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2958f0484fSRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3058f0484fSRodney W. Grimes.\" SUCH DAMAGE.
3158f0484fSRodney W. Grimes.\"
32*4b7f35dbSGordon Bergling.Dd April 3, 2022
3358f0484fSRodney W. Grimes.Dt ABS 3
3458f0484fSRodney W. Grimes.Os
3558f0484fSRodney W. Grimes.Sh NAME
3658f0484fSRodney W. Grimes.Nm abs
3758f0484fSRodney W. Grimes.Nd integer absolute value function
3825bb73e0SAlexey Zelkin.Sh LIBRARY
3925bb73e0SAlexey Zelkin.Lb libc
4058f0484fSRodney W. Grimes.Sh SYNOPSIS
418aefde06SJeroen Ruigrok van der Werven.In stdlib.h
4258f0484fSRodney W. Grimes.Ft int
4358f0484fSRodney W. Grimes.Fn abs "int j"
4458f0484fSRodney W. Grimes.Sh DESCRIPTION
4558f0484fSRodney W. GrimesThe
4658f0484fSRodney W. Grimes.Fn abs
4758f0484fSRodney W. Grimesfunction
4858f0484fSRodney W. Grimescomputes
4958f0484fSRodney W. Grimesthe absolute value of the integer
505c564baeSRuslan Ermilov.Fa j .
5158f0484fSRodney W. Grimes.Sh RETURN VALUES
5258f0484fSRodney W. GrimesThe
5358f0484fSRodney W. Grimes.Fn abs
5458f0484fSRodney W. Grimesfunction
5558f0484fSRodney W. Grimesreturns
5658f0484fSRodney W. Grimesthe absolute value.
5758f0484fSRodney W. Grimes.Sh SEE ALSO
58e0e5145cSWolfram Schneider.Xr cabs 3 ,
59a70b5c6aSChris Costello.Xr fabs 3 ,
6075141cc9SWolfram Schneider.Xr floor 3 ,
61e0e5145cSWolfram Schneider.Xr hypot 3 ,
627a4a6327SMike Barcroft.Xr imaxabs 3 ,
6375141cc9SWolfram Schneider.Xr labs 3 ,
647a4a6327SMike Barcroft.Xr llabs 3 ,
6558f0484fSRodney W. Grimes.Xr math 3
6658f0484fSRodney W. Grimes.Sh STANDARDS
6758f0484fSRodney W. GrimesThe
6858f0484fSRodney W. Grimes.Fn abs
6958f0484fSRodney W. Grimesfunction conforms to
707a4a6327SMike Barcroft.St -isoC-99 .
71*4b7f35dbSGordon Bergling.Sh HISTORY
72*4b7f35dbSGordon BerglingThe
73*4b7f35dbSGordon Bergling.Fn abs
74*4b7f35dbSGordon Berglingfunction first appeared in
75*4b7f35dbSGordon Bergling.At v6 .
7658f0484fSRodney W. Grimes.Sh BUGS
7758f0484fSRodney W. GrimesThe absolute value of the most negative integer remains negative.
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