2006/12/5, SZAVAI Gyula <[EMAIL PROTECTED]>:
Kevin Ryde wrote:
> "Mikael Djurfeldt" <[EMAIL PROTECTED]> writes:
>
>> (Not entirely sure that the common zero is a good idea, but I tend
>> to think so.)
>>
>
> I suppose it's a question of whether "*" should do that, or leave it
> up to the application.
>
I think there are 3 solution:
1, make * really generic (non-associative, no 0, no 1)
In Guile, this might be tricky to do without large damage to performance.
2, make * non-generic
This would make it impossible to extend the arithmetic system with matrices etc.
3, document this strange behaviour
Absolutely.
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