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changed C source to use C booleans with backward compatibility

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Fix "Under source code control" date for new version.h file.

Sorted the order of symbols printed by "make env".

Test if <stdbool.h> exists and set HAVE_STDBOOL_H accordingly
in have_stdbool.h.  Added HAVE_STDBOOL_H to allow one to force
this value.

Added "bool.h" include file to support use of boolean symbols,
true and false for pre-c99 C compilers.  The "bool.h" include
file defines TRUE as true, FALSE as false, and BOOL as bool:
for backward compatibility.

The sign in a ZVALUE is now of type SIGN, whcih is either
SB32 when CALC2_COMPAT is defined, or a bool.

Replaced in C source, TRUE with true, FALSE with false, and
BOOL with bool.
This commit is contained in:
Landon Curt Noll
2023-08-19 19:20:32 -07:00
parent e18b715f3f
commit 3c18e6e25b
71 changed files with 1267 additions and 1043 deletions
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@@ -415,7 +415,7 @@ the low order bits converted.
There are two types of comparisons you can make on ZVALUEs. This is whether
or not they are equal, or the ordering on size of the numbers. The zcmp
function tests whether two ZVALUEs are equal, returning TRUE if they differ.
function tests whether two ZVALUEs are equal, returning true if they differ.
The zrel function tests the relative sizes of two ZVALUEs, returning -1 if
the first one is smaller, 0 if they are the same, and 1 if the first one
is larger.
@@ -605,7 +605,7 @@ only used for complex numbers. Examples of macros are:
cisodd(c) (number is has odd real and imaginary parts)
There is only one comparison you can make for COMPLEX values, and that is
for equality. The ccmp function returns TRUE if two complex numbers differ.
for equality. The ccmp function returns true if two complex numbers differ.
There are three predefined values for complex numbers. You should clink
them when you want to use them. They are _czero_, _cone_, and _conei_.
@@ -622,7 +622,7 @@ call. This is not required, but is does bring things to a closure.
The function libcalc_call_me_last() takes no args and returns void. You
need call libcalc_call_me_last() only once.
## Copyright (C) 1999,2021 David I. Bell and Landon Curt Noll
## Copyright (C) 1999,2021,2023 David I. Bell and Landon Curt Noll
##
## 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