Re: [Vala] Operator overloading

[Maciej Piechotka <uzytkownik2 gmail com>]

James Livingston wrote:

> On 27/03/2009, at 9:24 AM, Maciej Piechotka wrote:
> > i * j = k
> > -j * i = k
> >
> > k/i = j or -j?
>
> Do you mean left-divide or right-divide? In the first equation you are  
> left-multiplying by i, the latter you are right-multiplying by i. "k /  
> i" is ambiguous as to which it means.
>
> http://en.wikipedia.org/wiki/Quaternion#Conjugation.2C_the_norm.2C_and_division
>
>
> Cheers,
>      James

Yes. I mean that left-division is not equivalent of right-division.
There is something like left-division and right-division but not
division[1]. 

It might be different however in anglosaxon nomenclature.

Regards

[1] Similarly function f(x) = |x| is not differentiable in 0 - althought
it has left and right derivatives.

-- 
I've probably left my head... somewhere. Please wait untill I find it.
Homepage (pl_PL): http://uzytkownik.jogger.pl/
(GNU/)Linux User: #425935 (see http://counter.li.org/)