[petsc-dev] Question on the elements ordering of AIJ

[Satish Balay]

MatSetValues() assumes ordered columns. Factorization routines aswell. There could be others..

Satish

On Thu, 9 Sep 2010, Keita Teranishi wrote:

> Hi,
> 
> Does AIJ format of PETSc allows to have sparse matrix in which the nonzero elements in each row are not ordered in the increasing order of column indices?   I think it's OK for MatMult, but how about other routines?
> 
> Thank you,
> ================================
>  Keita Teranishi
>  Scientific Library Group
>  Cray, Inc.
>  keita at cray.com
> ================================
> 
>