1 /* 2 FUNCTION 3 <<llabs>>---compute the absolute value of an long long integer. 4 5 INDEX 6 llabs 7 8 ANSI_SYNOPSIS 9 #include <stdlib.h> 10 long long llabs(long long j); 11 12 TRAD_SYNOPSIS 13 #include <stdlib.h> 14 long long llabs(<[j]>) 15 long long <[j]>; 16 17 DESCRIPTION 18 The <<llabs>> function computes the absolute value of the long long integer 19 argument <[j]> (also called the magnitude of <[j]>). 20 21 The similar function <<labs>> uses and returns <<long>> rather than 22 <<long long>> values. 23 24 RETURNS 25 A nonnegative long long integer. 26 27 PORTABILITY 28 <<llabs>> is ISO 9899 (C99) compatable. 29 30 No supporting OS subroutines are required. 31 */ 32 33 /*- 34 * Copyright (c) 2001 Mike Barcroft <mike@FreeBSD.org> 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 56 * SUCH DAMAGE. 57 */ 58 59 #include <stdlib.h> 60 61 long long 62 _DEFUN(llabs, (j), 63 long long j) 64 { 65 return (j < 0 ? -j : j); 66 } 67