[OctDev] arpack: eigs crash with octave 3.0.5 compiled with --enable-64

[David Bateman]

Jaroslav Hajek wrote:
> Do we? In fact, I think the Fortran standard requires the default
> REAL, INTEGER and LOGICAL to be of equal size (numeric storage unit).
> So, only some combinations of these flags are conforming in general. I
> do not think Octave needs to be bulletproof in this regard, at least
> not until a real need arises from practice. When you're altering the
> sizes of default types, you're often breaking standard-conformance,
> and you're therefore supposed to know what you're doing. Anyway, a
> common practical advice is to avoid LOGICALs in external interfaces at
> all and just use INTEGERs.
>
> cheers
>
>   

Then the pgf90 compiler with the -i8 flag is not standards compliant. 
Given that, then yes just using octave_idx_type is the right thing

D. 

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