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authorKevin Ryde <user42@zip.com.au>2000-06-06 00:39:08 +0200
committerKevin Ryde <user42@zip.com.au>2000-06-06 00:39:08 +0200
commit92103eb64d72a08b136e8d7b05d9726dba5e215a (patch)
treec93b7541027b4b191b9e8695b72453300c710df8 /mp_minv_tab.c
parent69b7d4106823c413ae05a9d83c9c6442d50516bb (diff)
downloadgmp-92103eb64d72a08b136e8d7b05d9726dba5e215a.tar.gz
* mp_minv_tab.c: New file.
Diffstat (limited to 'mp_minv_tab.c')
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diff --git a/mp_minv_tab.c b/mp_minv_tab.c
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+/* A table of data supporting modlimb_invert().
+
+ THE CONTENTS OF THIS FILE ARE FOR INTERNAL USE AND MAY CHANGE
+ INCOMPATIBLY OR DISAPPEAR IN A FUTURE GNU MP RELEASE. */
+
+/*
+Copyright (C) 2000 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library 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.
+
+The GNU MP Library 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 the GNU MP Library; see the file COPYING.LIB. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+
+/* modlimb_invert_table[i] is the multiplicative inverse of 2*i+1 mod 256,
+ ie. (modlimb_invert_table[i] * (2*i+1)) % 256 == 1 */
+
+const unsigned char modlimb_invert_table[128] = {
+ 0x01, 0xAB, 0xCD, 0xB7, 0x39, 0xA3, 0xC5, 0xEF,
+ 0xF1, 0x1B, 0x3D, 0xA7, 0x29, 0x13, 0x35, 0xDF,
+ 0xE1, 0x8B, 0xAD, 0x97, 0x19, 0x83, 0xA5, 0xCF,
+ 0xD1, 0xFB, 0x1D, 0x87, 0x09, 0xF3, 0x15, 0xBF,
+ 0xC1, 0x6B, 0x8D, 0x77, 0xF9, 0x63, 0x85, 0xAF,
+ 0xB1, 0xDB, 0xFD, 0x67, 0xE9, 0xD3, 0xF5, 0x9F,
+ 0xA1, 0x4B, 0x6D, 0x57, 0xD9, 0x43, 0x65, 0x8F,
+ 0x91, 0xBB, 0xDD, 0x47, 0xC9, 0xB3, 0xD5, 0x7F,
+ 0x81, 0x2B, 0x4D, 0x37, 0xB9, 0x23, 0x45, 0x6F,
+ 0x71, 0x9B, 0xBD, 0x27, 0xA9, 0x93, 0xB5, 0x5F,
+ 0x61, 0x0B, 0x2D, 0x17, 0x99, 0x03, 0x25, 0x4F,
+ 0x51, 0x7B, 0x9D, 0x07, 0x89, 0x73, 0x95, 0x3F,
+ 0x41, 0xEB, 0x0D, 0xF7, 0x79, 0xE3, 0x05, 0x2F,
+ 0x31, 0x5B, 0x7D, 0xE7, 0x69, 0x53, 0x75, 0x1F,
+ 0x21, 0xCB, 0xED, 0xD7, 0x59, 0xC3, 0xE5, 0x0F,
+ 0x11, 0x3B, 0x5D, 0xC7, 0x49, 0x33, 0x55, 0xFF
+};