src/system/libroot/posix/stdlib/div.c

   1 /*
   2  * Copyright 2002-2010, Haiku Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Author:
   6  *              Daniel Reinhold, danielre@users.sf.net
   7  *              Tri-Edge AI, triedgeai@gmail.com
   8  */
   9
  10
  11 #include <stdlib.h>
  12
  13
  14 div_t
  15 div(int numerator, int denominator)
  16 {
  17         div_t val;
  18
  19         val.quot = numerator / denominator;
  20         val.rem  = numerator % denominator;
  21
  22         if (numerator >= 0 && val.rem < 0) {
  23                 val.rem -= denominator;
  24                 ++val.quot;
  25         }
  26
  27         return val;
  28 }
  29
  30
  31 ldiv_t
  32 ldiv(long numerator, long denominator)
  33 {
  34         ldiv_t val;
  35
  36         val.quot = numerator / denominator;
  37         val.rem  = numerator % denominator;
  38
  39         if (numerator >= 0 && val.rem < 0) {
  40                 val.rem -= denominator;
  41                 ++val.quot;
  42         }
  43
  44         return val;
  45 }
  46
  47
  48 lldiv_t
  49 lldiv(long long numerator, long long denominator)
  50 {
  51         lldiv_t val;
  52
  53         val.quot = numerator / denominator;
  54         val.rem  = numerator % denominator;
  55
  56         if (numerator >= 0 && val.rem < 0) {
  57                 val.rem -= denominator;
  58                 ++val.quot;
  59         }
  60
  61         return val;
  62 }