File: bigint.h

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/*
    bigint.h - Manage big positive integer numbers
    Copyright (c) 1996  Martin Schulze <joey@artis.uni-oldenburg.de>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id: bigint.h,v 1.1 2001/11/01 18:27:27 joey Exp $
 */

/*
 * 4294967295 is max (unsigned long int)
 */

#define BIGINT_LEN	2
#define BIGINT_MAX	1000000000
#define BIGINT_PREC	9

typedef struct
{
  unsigned long int val[BIGINT_LEN];
} bigint;

bigint bigint_add(bigint a, bigint b);

bigint bigint_sub(bigint a, bigint b);

bigint bigint_int(int num);

bigint bigint_string(char *s);

void bigint_sprintf (char *res, char *format, bigint a);