[Scilab-users] [Scilab-Dev] algebra conventions with integer types to be discussed

[Samuel Gougeon]

Here is the start of this discussion.
As cross-posting looks forbidden/prevented/canceled, i am afraid that 
only the dev@ list received both initial messages 
<http://mailinglists.scilab.org/algebra-conventions-with-integer-types-to-be-discussed-tp4038549p4038564.html>.
At least, only the dev@ archives publish them 
<http://mailinglists.scilab.org/algebra-conventions-with-integer-types-to-be-discussed-tp4038549p4038564.html>.
Also, setting a scilab list in CC: while the main receiver is another 
list looks also useless because it is silently canceled (see the dev@ 
online archives).

Regards
Samuel

Le 14/09/2018 à 18:20, Stéphane Mottelet a écrit :
> Hello all,
>
> Integer types in Scilab are not smoothly implemented and there are 
> still some bugs and real questions to be discussed, specifically on 
> over/underflow, exceptions in divisions such as in
>
> int8(1)/int8(0)
>
> int8(-128)/int8(-1)
>
> type of the result of mixed double/integer operations, such as
>
> int8(1) + %pi
>
> int8(1)/0.0
>
> and so on. Other software related to Scilab, e.g. Matlab and Julia, 
> have different conventions and currently Scilab currently adopts a mix 
> of them, which does not help to make one's mind.
>
> Integers types were a long-waited feature by people who needed it, so 
> I would like to have some  developpers and user testimonies about the 
> way they do algebra with them.
>
> Thanks in adavance,
>
> S.
>

Le 17/09/2018 à 19:03, Stéphane Mottelet a écrit :
> [No answers]
>
> Hello all,
>
> Do I have to conclude that the implementation is currently so 
> incoherent that *nobody* uses integer types in Scilab (other than 
> Scilab code itself) ?
>
> S.

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