PETSc sparsity

[Toby Young]

Barry,

Thank you for an interesting response.

>   For algorithms that require dealing with the sparsity structure of
> the matrix we generally just include the appropriate private include file
> for the matrix format and access the data directly in the underlying format.

Can you please elaborate. What do you mean by "the appropriate privat
include file for the matrix"? Sorry, I got lost there.

Best,
	Toby

-----

Toby D. Young (Adiunkt)
Department of Computational Science
Institute of Fundamental Technological Research
Polish Academy of Science
Room 206, ul. Swietokrzyska 21
00-049 Warszawa, POLAND