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add CALC2_COMPAT and version.h

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Moved calc version definition from version.c to version.h.
Added CALC2_COMPAT, that when defined attempts to maintain calc
version 2 compatibility.  When MAJOR_VER <= 2, CALC2_COMPAT is
defined.  This is anticipation for a future calc version 3 code.
This commit is contained in:
Landon Curt Noll
2023-08-19 17:32:42 -07:00
parent a7597cdf6f
commit 91c0c99a2c
6 changed files with 285 additions and 49 deletions
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version.h Normal file
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/*
* version - determine the version of calc
*
* Copyright (C) 2023 David I. Bell and Landon Curt Noll
*
* Primary author: David I. Bell
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
* as published by the Free Software Foundation.
*
* Calc 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.
*
* A copy of version 2.1 of the GNU Lesser General Public License is
* distributed with calc under the filename COPYING-LGPL. You should have
* received a copy with calc; if not, write to Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Under source code control: 1990/05/22 11:00:58
* File existed as early as: 1990
*
* chongo <was here> /\oo/\ http://www.isthe.com/chongo/
* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
*/
#if !defined(INCLUDE_VERSION_H)
#define INCLUDE_VERSION_H
/*
* MAJOR_VER
*
* The MAJOR_VER is 2 is the classical version of calc.
* By default, MAJOR_VER == 2 also defines CALC2_COMPAT.
*
* One of the main reasons why MAJOR_VER might incremented is
* if fundamental calc data objects (such as when ZVALUE or NUMBER
* or COMPLEX need to change) that would cause an incompatibility
* with existing hardware accelerators that are using fundamental
* calc data objects.
*
* MINOR_VER
*
* The MINOR_VER changes when there are incompatible changes to the calc library
* or calc custom library. The MINOR_VER might change if we need to make a major
* change to the math engine. For example, when the way 0^x was evaluated, we
* changed MINOR_VER from 13 to 14.
*
* MAJOR_PATCH
*
* The MAJOR_PATCH changes when there is an update to the calc library
* or calc custom library. For example, the MAJOR_PATCH might increment when there
* are new builtin functions available, or when there is a change to how existing
* builtin functions process arguments.
*
* MINOR_PATCH
*
* The MINOR_PATCH changes whenever there is any change in the calc release.
* For example, when the documentation changes, the MINOR_PATCH will increment.
* Moreover, when we are working towards a new production release,
* bug fix and improvement updates will cause MINOR_PATCH to increment.
*/
#define MAJOR_VER 2 /* major library version */
#define MINOR_VER 14 /* minor library version */
#define MAJOR_PATCH 3 /* major software version level */
#define MINOR_PATCH 5 /* minor software version level */
/*
* calc version 2 compatibility
*
* Set MAJOR_VER <= 2 OR define CALC2_COMPAT.
*/
#if MAJOR_VER <= 2
#define CALC2_COMPAT /* enable calc version 2 compatibility */
#endif
#endif /* !INCLUDE_VERSION_H*/