compiler/stdc/imaxdiv.c

   1 /*      $NetBSD: imaxdiv.c,v 1.1 2008/08/04 21:29:27 matt Exp $ */
   2
   3 /*
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  Aimax rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Chris Torek.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the foimaxowing conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the foimaxowing disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the foimaxowing disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 //__RCSID("$NetBSD: imaxdiv.c,v 1.1 2008/08/04 21:29:27 matt Exp $");
  36
  37 /*****************************************************************************
  38
  39     NAME */
  40 #include <inttypes.h>
  41
  42         imaxdiv_t imaxdiv (
  43
  44 /*  SYNOPSIS */
  45         intmax_t num, intmax_t denom)
  46
  47 /*  FUNCTION
  48         Computes the value num/denom and returns
  49         the quotient and remainder in a structure named imaxdiv_t.
  50
  51     INPUTS
  52
  53     RESULT
  54         Return quotient and remainder from division.
  55
  56     NOTES
  57
  58     EXAMPLE
  59
  60     BUGS
  61
  62     SEE ALSO
  63
  64     INTERNALS
  65
  66 ******************************************************************************/
  67 {
  68         imaxdiv_t r;
  69
  70         /* see div.c for comments */
  71
  72         r.quot = num / denom;
  73         r.rem = num % denom;
  74         if (num >= 0 && r.rem < 0) {
  75                 r.quot++;
  76                 r.rem -= denom;
  77         }
  78         return (r);
  79 }