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

   1 /* -*-c-*-
   2  *
   3  * Exponentiation operations for abstract groups
   4  *
   5  * (c) 2004 Straylight/Edgeware
   6  */
   7
   8 /*----- Licensing notice --------------------------------------------------*
   9  *
  10  * This file is part of Catacomb.
  11  *
  12  * Catacomb is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU Library General Public License as
  14  * published by the Free Software Foundation; either version 2 of the
  15  * License, or (at your option) any later version.
  16  *
  17  * Catacomb is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU Library General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Library General Public
  23  * License along with Catacomb; if not, write to the Free
  24  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  25  * MA 02111-1307, USA.
  26  */
  27
  28 #ifndef CATACOMB_GROUP_EXP_H
  29 #define CATACOMB_GROUP_EXP_H
  30
  31 #ifdef __cplusplus
  32   extern "C" {
  33 #endif
  34
  35 /*----- Exponentation definitions -----------------------------------------*/
  36
  37 #define EXP_TYPE ge *
  38
  39 #define EXP_COPY(d, p) do {                                             \
  40   (d) = G_CREATE(gg);                                                   \
  41   G_COPY(gg, (d), (p));                                                 \
  42 } while (0)
  43 #define EXP_DROP(x) G_DESTROY(gg, (x))
  44
  45 #define EXP_MUL(a, x) G_MUL(gg, (a), (a), (x))
  46 #define EXP_SQR(a) G_SQR(gg, (a), (a));
  47 #define EXP_FIX(x)
  48
  49 #define EXP_SETMUL(d, x, y) do {                                        \
  50   (d) = G_CREATE(gg);                                                   \
  51   G_MUL(gg, (d), (x), (y));                                             \
  52 } while (0)
  53 #define EXP_SETSQR(d, x) do {                                           \
  54   (d) = G_CREATE(gg);                                                   \
  55   G_SQR(gg, (d), (x));                                                  \
  56 } while (0)
  57
  58 #include "exp.h"
  59
  60 /*----- That's all, folks -------------------------------------------------*/
  61
  62 #ifdef __cplusplus
  63   }
  64 #endif
  65
  66 #endif