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Added a test program for division and modulo operation.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4906 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2011-01-11 17:19:16 +00:00
parent 4a32e84639
commit 57bd3bb346
1 changed files with 36 additions and 0 deletions
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36
testcode/lib/moddiv-test.c Normal file
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#include <stdlib.h>
#include <stdio.h>
int main (void)
{
int a, b;
int div, mod;
printf ("Please note that this program does an\n"
"exhaustive test for the division and\n"
"modulo operation and therefore runs for\n"
"almost ever. On my box, it's nearly two\n"
"days in warp mode of VICE.\n\n");
a = 0;
do {
b = 1;
do {
div = a / b;
mod = a % b;
if (div * b + mod != a) {
printf ("Found problems:\n"
" Result of %u / %u is %u\n"
" Result of %u %% %u is %u\n",
a, b, div, a, b, mod);
return EXIT_FAILURE;
}
++b;
} while (b != 0);
if ((a & 0xFF) == 0) {
printf ("%5u ", a);
}
++a;
} while (a != 0);
return EXIT_SUCCESS;
}