[petsc-dev] handling any order of MatSetType() and MatSetSizes()

[Shri]

> Despite the latest fix (BTW, DO NOT USE C++ style comments!!!) for

Sorry about the C++ sytle comments,removed the ++ from them :)


> SeqDense, things are still broken... I think that the code
> MatSetSizes_SeqDense should be moved to the preallocation routine and
> then removed from the _MatOpts table.
> [dalcinl at trantor petsc4py-dev]$ python dense-mat.py
> [0]PETSC ERROR:
> ------------------------------------------------------------------------
> [0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation,


 Pushed a fix for this. Let me know if its still breaking.

Shri