mp_dv_tab.c

/* __gmp_digit_value_tab -- support for mp*_set_str

   THE CONTENTS OF THIS FILE ARE FOR INTERNAL USE AND MAY CHANGE
   INCOMPATIBLY OR DISAPPEAR IN A FUTURE GNU MP RELEASE.

Copyright 2003 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 Lesser General Public License as published by
the Free Software Foundation; either version 3 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 Lesser General Public
License for more details.

You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */

#include "gmp.h"
#include "gmp-impl.h"

/* Table to be indexed by character, to get its numerical value.  Assumes ASCII
   character set.

   First part of table supports common usages, where 'A' and 'a' have the same
   value; this supports bases 2..36

   At offset 224, values for bases 37..62 start.  Here, 'A' has the value 10
   (in decimal) and 'a' has the value 36.  */

#define X 0xff
const unsigned char __gmp_digit_value_tab[] =
{
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, X, X, X, X, X, X,
  X,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,
  25,26,27,28,29,30,31,32,33,34,35,X, X, X, X, X,
  X,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,
  25,26,27,28,29,30,31,32,33,34,35,X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, X, X, X, X, X, X,
  X,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,
  25,26,27,28,29,30,31,32,33,34,35,X, X, X, X, X,
  X,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,
  51,52,53,54,55,56,57,58,59,60,61,X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X,
  X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X
};