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[Octave-bug-tracker] [bug #36025] error in caching of class fuctions dep
From: |
jan pfaler |
Subject: |
[Octave-bug-tracker] [bug #36025] error in caching of class fuctions depending on header line |
Date: |
Wed, 28 Mar 2012 16:40:51 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.15 (KHTML, like Gecko) Ubuntu/11.04 Chromium/18.0.997.0 Chrome/18.0.997.0 Safari/535.15 |
URL:
<http://savannah.gnu.org/bugs/?36025>
Summary: error in caching of class fuctions depending on
header line
Project: GNU Octave
Submitted by: jan
Submitted on: Wed 28 Mar 2012 04:40:49 PM GMT
Category: Interpreter
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Incorrect Result
Status: None
Assigned to: None
Originator Name: jan pfaler
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 3.2.4
Operating System: GNU/Linux
_______________________________________________________
Details:
In short:
Class member functions with errorneus header line are called differently
depending on caching context. Caused error is at the worst hard to debug.
Description:
A class "testclass" having two public function "one" and "two"
and the creator. The function "two" contains errorneus header line containing
reference to function "one" on it:
==> @testclass/two.m <==
% function TWO returns item "Y"
function a=one(m)
disp('outputing second argument from TWO');
a=m.y;
As a result octave calls function "one" instead of function
"two" in following in an inconsistent way presumably depending
on caching, see below:
octave:79> clear all;
octave:80> f=testclass(1,2); one(f), two(f), two(f) % expecting 1 2 2
outputing first argument from ONE
ans = 1
outputing second argument from TWO
ans = 2
outputing second argument from TWO
ans = 2
octave:81> one(f), two(f), two(f) % expecting 1 2 2
outputing first argument from ONE
ans = 1
outputing first argument from ONE
ans = 1
outputing first argument from ONE
ans = 1
The code is attached.
System standard Ubuntu 11.4 installation:
Linux sym 2.6.38-13-generic-pae #57-Ubuntu SMP Mon Mar 5 20:00:10 UTC 2012
i686 i686 i386 GNU/Linux
GNU Octave, version 3.2.4
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Wed 28 Mar 2012 04:40:49 PM GMT Name: testclass.gz Size: 10kB By:
jan
<http://savannah.gnu.org/bugs/download.php?file_id=25496>
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?36025>
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