X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/ba6e6b64033b1f9de49feccb5c9cd438354481f7..0f00dc4c8eb47e67bc0f148c2dd109f73a451e0a:/mp-exp.c diff --git a/mp-exp.c b/mp-exp.c deleted file mode 100644 index 9cb56ee..0000000 --- a/mp-exp.c +++ /dev/null @@ -1,67 +0,0 @@ -/* -*-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 - -#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 -------------------------------------------------*/