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opt_int_div.*: label as a header-only library

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パチュリー・ノーレッジ
2024-03-24 16:02:31 +03:00
parent 76ec85397a
commit c2b3caf728
2 changed files with 3 additions and 5 deletions
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44
c-programming/math/opt_int_div.test.c Normal file
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/*
* opt_int_div.c
*
* "Optimized integer division"
*
* Author: Intel A80486DX2-66
* License: Creative Commons Zero 1.0 Universal
*/
#include "opt_int_div.h"
#include <inttypes.h>
#include <stdio.h>
int main(void) {
printf("Loop: a > 0, b > 0\n");
for (uint8_t a = 3; a <= 24; a++)
for (uint8_t b = 1; b <= 8; b++) {
if (b >= a)
break;
printf("%" PRIu8 " / %" PRIu8 " = %" PRIu8 "\n", a, b,
OPT_INT_DIV(a, b));
}
printf("Loop: a < 0, b > 0\n");
for (int8_t a = -3; a >= -24; a--)
for (int8_t b = 1; b <= 8; b++) {
if (b >= abs(a))
break;
printf("%" PRId8 " / %" PRId8 " = %" PRId8 "\n", a, b,
OPT_INT_DIV(a, b));
}
printf("Loop: a < 0, b < 0\n");
for (int8_t a = -3; a >= -24; a--)
for (int8_t b = -1; b >= -8; b--) {
if (b <= a)
break;
printf("%" PRId8 " / %" PRId8 " = %" PRId8 "\n", a, b,
OPT_INT_DIV(a, b));
}
return 0;
}