+++ /dev/null
-/* -*-c-*-
- *
- * $Id: exp.c,v 1.2 2004/04/08 01:36:15 mdw Exp $
- *
- * Generalized exponentiation
- *
- * (c) 2001 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 ------------------------------------------------------*/
-
-#define EXP_TYPE /* Hack */
-#include "exp.h"
-
-/*----- Main code ---------------------------------------------------------*/
-
-/* --- @exp_simulnext@ --- *
- *
- * Arguments: @exp_simul *e@ = pointer to state structure
- * @size_t x@ = a current accumulator
- *
- * Returns: The next column of bits.
- *
- * Use: Scans the next column of bits for a simultaneous
- * exponentiation.
- */
-
-size_t exp_simulnext(exp_simul *e, size_t x)
-{
- size_t i;
-
- /* --- Move to the next word along --- */
-
- if (!e->b) {
- e->o--;
- for (i = 0; i < e->n; i++)
- e->s[i].w = e->o < e->s[i].len ? e->s[i].v[e->o] : 0;
- e->b = MPW_BITS;
- }
-
- /* --- Scan out a column of bits --- */
-
- for (i = 0; i < e->n; i++) {
- x = (x << 1) | ((e->s[i].w >> (MPW_BITS - 1)) & 1u);
- e->s[i].w <<= 1;
- }
- e->b--;
- return (x);
-}
-
-/*----- That's all, folks -------------------------------------------------*/