Re: [ublas] Numeric Bindings to LAPACK on x64

Subject: Re: [ublas] Numeric Bindings to LAPACK on x64
From: Andrey Asadchev (asadchev_at_[hidden])
Date: 2012-05-24 12:14:56

>
> For now, I'm compiling with MSVC 10 and I get loads of warnings like the
> following:
> <pathtoboost>\boost/numeric/bindings/lapack/ilaenv.hpp(34) : warning
> C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
>
> This is quite clear to me, as all size members of ublas types are size_t
> (=unsigned _int64), while the binding interface bases on int (32bit) types.
> Although my code runs so far, I'm afraid to run into trouble sometime.
>
> Is there a way to correctly handle the x64 case with uBlas and the
> numeric bindings?
>

You can't really other than getting ILP64 LAPACK.
it will hurt you only if you specify lens/dims more than 2^31.