+++ /dev/null
-/* -*-c-*-
- *
- * $Id: gfx-sqr-mktab.c,v 1.2 2004/04/08 01:36:15 mdw Exp $
- *
- * Build table for squaring of binary polynomials
- *
- * (c) 2000 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of Catacomb.
- *
- * Catacomb is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * Catacomb is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with Catacomb; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-/*----- Header files ------------------------------------------------------*/
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <mLib/bits.h>
-
-/*----- Main code ---------------------------------------------------------*/
-
-static void mktab(uint16 *t)
-{
- unsigned i, j, x;
-
- for (i = 0; i < 256; i++) {
- x = 0;
- for (j = 0; j < 8; j++) {
- if (i & (1 << j))
- x |= 1 << (2 * j);
- }
- t[i] = x;
- }
-}
-
-int main(void)
-{
- uint16 t[256];
- unsigned i;
-
- mktab(t);
-fputs("\
-/* -*-c-*-\n\
- *\n\
- * Bit spacing table for binary polynomial squaring\n\
- */\n\
-\n\
-#ifndef GFX_SQR_TAB_H\n\
-#define GFX_SQR_TAB_H\n\
-\n\
-#define GFX_SQRTAB { \\\n\
- ", stdout);
-
- for (i = 0; i < 256; i++) {
- printf("0x%04x", t[i]);
- if (i == 255)
- puts(" \\\n}\n");
- else if (i % 8 == 7)
- fputs(", \\\n ", stdout);
- else
- fputs(", ", stdout);
- }
-
- fputs("#endif\n", stdout);
-
- if (fclose(stdout)) {
- fprintf(stderr, "error writing data\n");
- exit(EXIT_FAILURE);
- }
-
- return (0);
-}
-
-/*----- That's all, folks -------------------------------------------------*/