X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/1c15e88899094343f75aeba04122cd96a96b428e..ad7871609881e73855d0b04da49b486cd93efca7:/usr/src/lib/libc/stdlib/abs.3 diff --git a/usr/src/lib/libc/stdlib/abs.3 b/usr/src/lib/libc/stdlib/abs.3 index 1a02d99c9b..e12f7987c1 100644 --- a/usr/src/lib/libc/stdlib/abs.3 +++ b/usr/src/lib/libc/stdlib/abs.3 @@ -1,43 +1,73 @@ -.\" Copyright (c) 1990 The Regents of the University of California. -.\" All rights reserved. +.\" Copyright (c) 1990, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. .\" -.\" Redistribution and use in source and binary forms are permitted -.\" provided that: (1) source distributions retain this entire copyright -.\" notice and comment, and (2) distributions including binaries display -.\" the following acknowledgement: ``This product includes software -.\" developed by the University of California, Berkeley and its contributors'' -.\" in the documentation or other materials provided with the distribution -.\" and in all advertising materials mentioning features or use of this -.\" software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR -.\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED -.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +.\" This code is derived from software contributed to Berkeley by +.\" the American National Standards Committee X3, on Information +.\" Processing Systems. .\" -.\" @(#)abs.3 6.2 (Berkeley) 5/16/90 +.\" 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. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. 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. .\" -.TH ABS 3 "May 16, 1990" -.UC 7 -.SH NAME -abs \- return the absolute value of an integer -.SH SYNOPSIS -.nf -.ft B -#include - -int -abs(int j); -.ft R -.fi -.SH DESCRIPTION -.B Abs -returns the absolute value of the integer -.IR n . -.SH SEE ALSO -floor(3), labs(3) -.SH STANDARDS -.B Abs -conforms to ANSI X3.159-1989 (``ANSI C''). -.SH BUGS +.\" 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. +.\" +.\" @(#)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 SYNOPSIS +.Fd #include +.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 floor 3 , +.Xr labs 3 +.Xr cabs 3 +.Xr hypot 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.