-/* -*-c-*-
- *
- * $Id$
- *
- * Exponentiation for large integers
- *
- * (c) 2004 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 <assert.h>
-
-#include "mp.h"
-#include "mp-exp.h"
-
-/*----- Main code ---------------------------------------------------------*/
-
-/* --- @mp_exp@ --- *
- *
- * Arguments: @mp *d@ = fake destination
- * @mp *a@ = base
- * @mp *e@ = exponent
- *
- * Returns: Result, %$a^e$%.
- */
-
-mp *mp_exp(mp *d, mp *a, mp *e)
-{
- mp *x = MP_ONE;
- mp *spare = (e->f & MP_BURN) ? MP_NEWSEC : MP_NEW;
- assert(!MP_NEGP(e));
-
- MP_COPY(a);
- if (MP_ZEROP(e))
- ;
- else if (MP_LEN(e) < EXP_THRESH)
- EXP_SIMPLE(x, a, e);
- else
- EXP_WINDOW(x, a, e);
- mp_drop(d);
- mp_drop(spare);
- mp_drop(a);
- return (x);
-}
-
-/*----- That's all, folks -------------------------------------------------*/