[Tcl-bugs] [ tcl-Bugs-728838 ] Can't increment by wide amounts

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Bugs item #728838, was opened at 2003-04-28 07:06
Message generated for change (Comment added) made by dgp
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Category: 07. Variables
Group: obsolete: 8.4.2
Status: Open
Resolution: Remind
Priority: 6
Submitted By: Donal K. Fellows (dkf)
Assigned to: Donal K. Fellows (dkf)
Summary: Can't increment by wide amounts

Initial Comment:
You can't increment a value by a wide-int amount, which
is surprising.

Result should be wide if either (or both) the current
variable value and the added value are wide.  (The
default is not wide, of course.)

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>Comment By: Don Porter (dgp)
Date: 2004-01-19 19:03

Message:
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my mistake.   I misread the
earlier comments.  This bug
is fixed in 8.5.  A backport
for 8.4 is still pending.

You can re-close if you like,
or leave open as a reminder
about the backport.


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Comment By: Don Porter (dgp)
Date: 2004-01-19 15:16

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I don't think this is working in 8.4.5.

% set v 2
2
% incr v 0xff00000001
3
% incr v [expr 0xff00000000]
3

re-open

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Comment By: Donal K. Fellows (dkf)
Date: 2003-04-28 08:39

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I've fixed this now in the HEAD with the attached patch. 
Let me know if I should backport the patch (which is
unfortunately rather large as I took the opportunity to tidy
a few other bits of code up) to the 8.4 branch.

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