[petsc-users] Questions about MatConvert BAIJ to AIJ

[Chung-Kan Huang]

Hi,

I created matrix with MATBAIJ and I use
    MatConvert(J, MATAIJ, MAT_REUSE_MATRIX, & J);
to convert it to MATAIJ.

I ran some tests
MATBAIJ: create & use MATBAIJ for later assembly
MATBAIJ2MATAIJ: create as MATBAIJ then convert to MATAIJ & use MATAIJ for
later assembly
MATAIJ: create & use MATAIJ for later assembly

and I found following results


MATBAIJ == MATBAIJ2MATAIJ != MATAIJ
as I was expected to see
MATBAIJ != MATBAIJ2MATAIJ == MATAIJ

Is it a potential of bug or it is what I should actually expect?

Thanks,
Kan
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