3 * $Id: prim.c,v 1.4 2004/04/08 01:36:15 mdw Exp $
5 * Finding primitive elements
7 * (c) 1999 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of Catacomb.
14 * Catacomb is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU Library General Public License as
16 * published by the Free Software Foundation; either version 2 of the
17 * License, or (at your option) any later version.
19 * Catacomb is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU Library General Public License for more details.
24 * You should have received a copy of the GNU Library General Public
25 * License along with Catacomb; if not, write to the Free
26 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
30 /*----- Header files ------------------------------------------------------*/
39 /*----- Main code ---------------------------------------------------------*/
41 /* --- @prim_test@ --- */
43 int prim_test(int rq, pgen_event *ev, void *p)
58 x = mpmont_exp(&c->mm, MP_NEW, ev->m, c->exp);
69 y = mpmont_exp(&c->mm, y, x, *f);
70 if (MP_EQ(y, MP_ONE)) {
91 /* --- Trivial stepping functions -----------------------------------------*/
93 /* --- @prim_step@ --- */
95 int prim_step(int rq, pgen_event *ev, void *p)
103 ev->m = mp_fromint(ev->m, primetab[(*i)++]);
109 /*----- That's all, folks -------------------------------------------------*/