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/* $NetBSD: const.h,v 1.3 1994/12/02 00:43:28 phil Exp $ */
/* const.h: Constants for bc. */
/* This file is part of bc written for MINIX.
Copyright (C) 1991, 1992, 1993, 1994 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. */
#define BC_BASE_MAX INT_MAX
#define BC_SCALE_MAX INT_MAX
#define BC_STRING_MAX INT_MAX
/* Definitions for arrays. */
#define BC_DIM_MAX 65535 /* this should be NODE_SIZE^NODE_DEPTH-1 */
#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
/* for use with lookup (). */
#define SIMPLE 0
#define ARRAY 1
#define FUNCT 2
#define FUNCTDEF 3
#define EXTERN extern
#ifdef __STDC__
#define CONST const
#define VOID void
#else
#define CONST
#define VOID
#endif
/* Include the version definition. */
#include "version.h"
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