home *** CD-ROM | disk | FTP | other *** search
- /* const.h: Constants for bc. */
-
- /* This file is part of bc written for MINIX.
- Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-
- 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; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- You may contact the author by:
- e-mail: phil@cs.wwu.edu
- us-mail: Philip A. Nelson
- Computer Science Department, 9062
- Western Washington University
- Bellingham, WA 98226-9062
-
- *************************************************************************/
-
-
- /* Define INT_MAX and LONG_MAX if not defined. Assuming 32 bits... */
-
- #ifdef NO_LIMITS
- #define INT_MAX 0x7FFFFFFF
- #define LONG_MAX 0x7FFFFFFF
- #endif
-
-
- /* Define constants in some reasonable size. The next 4 constants are
- POSIX constants. */
-
- #ifndef BC_BASE_MAX
- #define BC_BASE_MAX INT_MAX
- #endif
- #ifndef BC_SCALE_MAX
- #define BC_SCALE_MAX INT_MAX
- #endif
- #ifndef BC_STRING_MAX
- #define BC_STRING_MAX INT_MAX
- #endif
-
- /* Definitions for arrays. */
-
- #ifndef BC_DIM_MAX
- #define BC_DIM_MAX 65535 /* this should be NODE_SIZE^NODE_DEPTH-1 */
- #endif
-
- #define NODE_SIZE 16 /* Must be a power of 2. */
- #define NODE_MASK 0xf /* Must be NODE_SIZE-1. */
- #define NODE_SHIFT 4 /* Number of 1 bits in NODE_MASK. */
- #define NODE_DEPTH 4
-
-
- /* Other BC limits defined but not part of POSIX. */
-
- #define BC_LABEL_GROUP 64
- #define BC_LABEL_LOG 6
- #define BC_MAX_SEGS 16 /* Code segments. */
- #define BC_SEG_SIZE 1024
- #define BC_SEG_LOG 10
-
- /* Maximum number of variables, arrays and functions and the
- allocation increment for the dynamic arrays. */
-
- #define MAX_STORE 32767
- #define STORE_INCR 32
-
- /* Other interesting constants. */
-
- #define FALSE 0
- #define TRUE 1
- #define SIMPLE 0
- #define ARRAY 1
- #define FUNCT 2
- #define EXTERN extern
- #ifdef __STDC__
- #define CONST const
- #define VOID void
- #else
- #define CONST
- #define VOID
- #endif
-
- /* Include the version definition. */
- #include "version.h"
-