[Scilab-users] Division of uint8 matrix by a double matrix => segfault in scilab-branch-6.0 ?

[Stéphane Mottelet]

Le 10/09/2018 à 14:35, antoine.monmayrant at laas.fr a écrit :
> Hello,
>
>
> I think I found a bug in the current 6.0 branch:
>
> a=uint8(rand(2,2)*255);
> b=rand(2,2);
> //let's be sure not to divide by 0
> while or(b==0)
>     b=rand(2,2);
> end
> //adios amigo: Segmentation fault (core dumped)
> a./b
>
> Dividing a uint8 matrix by a double matrix is always causing a 
> segfault on my machine.
> Can you reproduce this bug on your machine?
> Does anyone know whether it's a known bug or not?
>
> I have found : 
> https://antispam.utc.fr/proxy/2/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/bugzilla.scilab.org/show_bug.cgi?id=15716 
> but it is not exactly the same (I don't do any division by zero, just 
> element-wise division.
>
>
> Cheers,
>
>
> Antoine
>
Hello Antoine,

Surely, this is a bug, but what type do you expect for the (eventual) 
result ?

S.

-- 
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