git.distorted.org.uk Git - u/mdw/catacomb/blob - group-exp.h

   1 /* -*-c-*-
   2  *
   3  * $Id: group-exp.h,v 1.2 2004/04/08 01:36:15 mdw Exp $
   4  *
   5  * Exponentiation operations for abstract groups
   6  *
   7  * (c) 2004 Straylight/Edgeware
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of Catacomb.
  13  *
  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.
  18  *
  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.
  23  *
  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,
  27  * MA 02111-1307, USA.
  28  */
  29
  30 #ifndef CATACOMB_GROUP_EXP_H
  31 #define CATACOMB_GROUP_EXP_H
  32
  33 #ifdef __cplusplus
  34   extern "C" {
  35 #endif
  36
  37 /*----- Exponentation definitions -----------------------------------------*/
  38
  39 #define EXP_TYPE ge *
  40
  41 #define EXP_COPY(d, p) do {                                             \
  42   (d) = G_CREATE(gg);                                                   \
  43   G_COPY(gg, (d), (p));                                                 \
  44 } while (0)
  45 #define EXP_DROP(x) G_DESTROY(gg, (x))
  46
  47 #define EXP_MUL(a, x) G_MUL(gg, (a), (a), (x))
  48 #define EXP_SQR(a) G_SQR(gg, (a), (a));
  49 #define EXP_FIX(x)
  50
  51 #define EXP_SETMUL(d, x, y) do {                                        \
  52   (d) = G_CREATE(gg);                                                   \
  53   G_MUL(gg, (d), (x), (y));                                             \
  54 } while (0)
  55 #define EXP_SETSQR(d, x) do {                                           \
  56   (d) = G_CREATE(gg);                                                   \
  57   G_SQR(gg, (d), (x));                                                  \
  58 } while (0)
  59
  60 #include "exp.h"
  61
  62 /*----- That's all, folks -------------------------------------------------*/
  63
  64 #ifdef __cplusplus
  65   }
  66 #endif
  67
  68 #endif