OK. To me, this is a problem in the recursive insertion, which is
built-in for most native types since Scilab 6.
S.
Le 16/10/2020 à 14:55, Arvid Rosén a écrit :
Hi,
The minimal case I posted mimics the situation where the problem was
found. Removing the struct, and using just to levels of lists, does
not trigger the same problem. I have played around with this a bit,
and yet haven’t found a smaller case to trigger the issue.
Cheers,
Arvid
*From: *Scilab Users List <users-boun...@lists.scilab.org> on behalf
of Stéphane Mottelet <stephane.motte...@utc.fr>
*Reply to: *Users mailing list for Scilab <users@lists.scilab.org>
*Date: *Friday, 16 October 2020 at 14:20
*To: *"users@lists.scilab.org" <users@lists.scilab.org>
*Subject: *Re: [Scilab-users] Scilab 6 - Problem with scope and nested
lists
Your test mix struct and lists can you reproduce it without using a
struct ?
Le 16/10/2020 à 14:15, Arvid Rosén a écrit :
Hi,
I already filed a report here:
https://bugzilla.scilab.org/show_bug.cgi?id=16556
<https://antispam.utc.fr/proxy/2/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/antispam.utc.fr/proxy/2/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/bugzilla.scilab.org/show_bug.cgi?id=16556>
Do you want a more compact example than that?
Here is an even more slimmed version.
Cheers,
Arvid
----------
// Define variables
testArray = list(list([]));
testArray(1)(1).testMember = 1;
testArrayOrig = testArray;
// Define function
function outArray = testFunc(inArray)
inArray(1)(1).testMember = 5
outArray = inArray;
endfunction
// Send the variable as argument to the function
testArrayOut = testFunc(testArray);
if testArrayOut(1)(1).testMember == testArray(1)(1).testMember
error("Error! inputArgument was changed by function");
end
--
*From: *Scilab Users List <users-boun...@lists.scilab.org>
<mailto:users-boun...@lists.scilab.org> on behalf of Stéphane
Mottelet <stephane.motte...@utc.fr> <mailto:stephane.motte...@utc.fr>
*Reply to: *Users mailing list for Scilab <users@lists.scilab.org>
<mailto:users@lists.scilab.org>
*Date: *Friday, 16 October 2020 at 13:40
*To: *"users@lists.scilab.org" <mailto:users@lists.scilab.org>
<users@lists.scilab.org> <mailto:users@lists.scilab.org>
*Subject: *Re: [Scilab-users] Scilab 6 - Problem with scope and
nested lists
Hello,
I think that this is a sufficiently serious issue to diserve a
report in bugzilla.scilab.org. But could you prepare a more
compact example ?
S.
Le 16/10/2020 à 13:35, Arvid Rosén a écrit :
Hi!
We have found a tricky issue when moving over from Scilab 5 to
Scilab 6 in my organization. We have a lot of code which works
with nested lists, and functions modifying those lists.
However, when a function is called with some nested lists as
an input argument, the body of that function can change the
value of the variable in the calling scope. This was not the
case in Scilab 5, and the issue is super tricky to hunt down
in our quite extensive code base. Below is a short example of
the problem, and how to reproduce it.
I have also filed a bug report here:
https://bugzilla.scilab.org/show_bug.cgi?id=16556
<https://antispam.utc.fr/proxy/2/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/antispam.utc.fr/proxy/2/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/bugzilla.scilab.org/show_bug.cgi?id=16556>
Is anyone else seeing this problem? And do you have any
workarounds or other suggestions?
Cheers,
Arvid
------
// Define variables
testArray = list();
for i=1:1:10
testArray($+1) = list();
for j=1:1:10
testArray(i)($+1) = [];
testArray(i)(j).testMember = 1;
end
end
testArrayOrig = testArray;
// Define functions
function outArray = testFunc(inArray)
for i=1:1:10
for j=1:1:10
inArray(i)(j).testMember = 5
end
end
outArray = inArray;
endfunction
// Send the variable as argument to the function
if %t
testArrayOut = testFunc2(testArray);
if testArrayOut(1)(1).testMember == testArray(1)(1).testMember
error("Error! inputArgument was changed by function");
end
end
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Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
http://www.utc.fr/~mottelet
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--
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
http://www.utc.fr/~mottelet
<https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/www.utc.fr/~mottelet>
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Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
http://www.utc.fr/~mottelet
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