Re: [ublas] [bindings] How to use lapack::pbtrf?

Subject: Re: [ublas] [bindings] How to use lapack::pbtrf?
From: Rutger ter Borg (rutger_at_[hidden])
Date: 2010-07-28 02:38:57

Marco Guazzone wrote:

> Hello!
> 
> I'm here again :P
> 
> Sorry for stressing, but this time I'm unable to use PBTRF (Cholesky
> factorization for symmetric/hermitian matrices).
> 
> Specifically, I have a symmetric matrix, for instance:
>   ublas::symmetric_matrix<double,ublas::lower,ublas::column_major> A
> 
> If I call PBTRF:
>   bindings::lapack::pbtrf(A)
> I get compiler errors like these ones:

[snip]
 
> Where I'm wrong?

Perhaps you are trying to use a computational routine that is for banded 
matrices? Shouln't you be using sytrf (symmetric) and/or hetrf (hermitian)?

Cheers,

Rutger