stdlib/testdiv.c

   1 /* Copyright (C) 1992-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20
  21 int
  22 main (void)
  23 {
  24   int err = 0;
  25   int i, j;
  26   while (scanf ("%d %d\n", &i, &j) == 2)
  27     {
  28       div_t d = div (i, j);
  29       printf ("%d / %d = %d + %d/%d", i, j, d.quot, d.rem, j);
  30       if (i == d.quot * j + d.rem)
  31         fputs ("  OK\n", stdout);
  32       else
  33         {
  34           fputs ("  FAILED\n", stdout);
  35           err = 1;
  36         }
  37     }
  38   return err;
  39 }