Re: [eigen] MAXITER in the Eigenvalue module

[joel falcou <joel.falcou@xxxxxx>]

Benoit Jacob wrote:
> Wow, yet another proof that we don't have the same kind of users. Many
> projects out there just disable c++ exceptions, so I wouldn't rely on
> them for a _feature_ ! Moreover, if they do enable exceptions, this
> forces the user to enclose calls to your API in a try { ... } catch,
> because nobody would want to crash on numerical issues. I guess that
> _you_ can rely on your users to accept all that - scientific users,
> etc. That said I can see that the idea of using exceptions for that
> has merit, since it is about reporting an error that only the caller
> (far away in the calling stack) knows how to react to.
>   
Well, we actually cheat as th euser can choose between ignoring them 
(NT2_NO_EXCEPTIONS)
or turn them into assertion (NT2_EXCEPTIONS_AS_ASSERT). The fact si 
that, for a given number of scenarii
exceptions are the only thing that make sense. Error code are so 1789 :/