contrib/gmp/mp_minv_tab.c

   1 /* A table of data supporting binvert_limb().
   2
   3    THE CONTENTS OF THIS FILE ARE FOR INTERNAL USE AND MAY CHANGE
   4    INCOMPATIBLY OR DISAPPEAR IN A FUTURE GNU MP RELEASE.  */
   5
   6 /*
   7 Copyright 2000 Free Software Foundation, Inc.
   8
   9 This file is part of the GNU MP Library.
  10
  11 The GNU MP Library is free software; you can redistribute it and/or modify
  12 it under the terms of the GNU Lesser General Public License as published by
  13 the Free Software Foundation; either version 3 of the License, or (at your
  14 option) any later version.
  15
  16 The GNU MP Library is distributed in the hope that it will be useful, but
  17 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  19 License for more details.
  20
  21 You should have received a copy of the GNU Lesser General Public License
  22 along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
  23
  24 #include "gmp.h"
  25 #include "gmp-impl.h"
  26
  27
  28 /* binvert_limb_table[i] is the multiplicative inverse of 2*i+1 mod 256,
  29    ie. (binvert_limb_table[i] * (2*i+1)) % 256 == 1 */
  30
  31 const unsigned char  binvert_limb_table[128] = {
  32   0x01, 0xAB, 0xCD, 0xB7, 0x39, 0xA3, 0xC5, 0xEF,
  33   0xF1, 0x1B, 0x3D, 0xA7, 0x29, 0x13, 0x35, 0xDF,
  34   0xE1, 0x8B, 0xAD, 0x97, 0x19, 0x83, 0xA5, 0xCF,
  35   0xD1, 0xFB, 0x1D, 0x87, 0x09, 0xF3, 0x15, 0xBF,
  36   0xC1, 0x6B, 0x8D, 0x77, 0xF9, 0x63, 0x85, 0xAF,
  37   0xB1, 0xDB, 0xFD, 0x67, 0xE9, 0xD3, 0xF5, 0x9F,
  38   0xA1, 0x4B, 0x6D, 0x57, 0xD9, 0x43, 0x65, 0x8F,
  39   0x91, 0xBB, 0xDD, 0x47, 0xC9, 0xB3, 0xD5, 0x7F,
  40   0x81, 0x2B, 0x4D, 0x37, 0xB9, 0x23, 0x45, 0x6F,
  41   0x71, 0x9B, 0xBD, 0x27, 0xA9, 0x93, 0xB5, 0x5F,
  42   0x61, 0x0B, 0x2D, 0x17, 0x99, 0x03, 0x25, 0x4F,
  43   0x51, 0x7B, 0x9D, 0x07, 0x89, 0x73, 0x95, 0x3F,
  44   0x41, 0xEB, 0x0D, 0xF7, 0x79, 0xE3, 0x05, 0x2F,
  45   0x31, 0x5B, 0x7D, 0xE7, 0x69, 0x53, 0x75, 0x1F,
  46   0x21, 0xCB, 0xED, 0xD7, 0x59, 0xC3, 0xE5, 0x0F,
  47   0x11, 0x3B, 0x5D, 0xC7, 0x49, 0x33, 0x55, 0xFF
  48 };