From 7f5e9fa22568009adefa72b5072f51c8afc0968f Mon Sep 17 00:00:00 2001
From: murf
Date: Wed, 11 Jul 2007 18:11:44 +0000
Subject: further reversion of previously applied floating point stuff for
expr2
gitsvnid: http://svn.digium.com/svn/asterisk/branches/1.4@74628 f38db490d61c443fa65bd21fe96a405b

doc/channelvariables.txt  21 +++++++
1 file changed, 7 insertions(+), 14 deletions()
(limited to 'doc')
diff git a/doc/channelvariables.txt b/doc/channelvariables.txt
index 6c501ae52..761516fa7 100644
 a/doc/channelvariables.txt
+++ b/doc/channelvariables.txt
@@ 212,19 +212,19 @@ with equal precedence are grouped within { } symbols.
an empty string or zero; otherwise, returns zero.
expr1 {=, >, >=, <, <=, !=} expr2
 Return the results of floating pt. comparison if both arguments are
 numbers; otherwise, returns the results of string comparison
+ Return the results of integer comparison if both arguments are
+ integers; otherwise, returns the results of string comparison
using the localespecific collation sequence. The result of each
comparison is 1 if the specified relation is true, or 0 if the
relation is false.
expr1 {+, } expr2
 Return the results of addition or subtraction of
+ Return the results of addition or subtraction of integervalued
arguments.
expr1 {*, /, %} expr2
 Return the results of multiplication, division, or
 remainder of arguments. (floating point [long double if possible]).
+ Return the results of multiplication, integer division, or
+ remainder of integervalued arguments.
 expr1
Return the result of subtracting expr1 from 0.
@@ 322,13 +322,10 @@ __________________________
NUMBERS VS STRINGS

Tokens consisting only of numbers are converted to long doubles for
most of the operators (80128 bits, depending on the compiler/platform/etc).
This means that overflows can occur when the
+Tokens consisting only of numbers are converted to 64bit numbers for
+most of the operators. This means that overflows can occur when the
numbers get above 18 digits. Warnings will appear in the logs in this
case.
If "long double" is not available, then "double" is used (usually 64 bit floating
point numbers).
___________________________
CONDITIONALS

@@ 487,10 +484,6 @@ of possible concern with "legacy" extension.conf files:
9. Unary operators '' and '!' were made right associative.
10. All arithmetic operations are now done in floating point (long double
 if possible, plain double otherwise).



DEBUGGING HINTS FOR $[ ] EXPRESSIONS


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