/* bigint.h - Manage big positive integer numbers Copyright (c) 1996 Martin Schulze 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. $Id$ */ /* * 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);