petsc-3.14.6 2021-03-30
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MatKAIJGetAIJ

Get the AIJ matrix describing the blockwise action of the KAIJ matrix

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatKAIJGetAIJ(Mat A,Mat *B)
Not Collective, but if the KAIJ matrix is parallel, the AIJ matrix is also parallel

Input Parameter

A - the KAIJ matrix

Output Parameter

B - the AIJ matrix

Notes: The reference count on the AIJ matrix is not increased so you should not destroy it.

See Also

MatCreateKAIJ()

Level

advanced

Location

src/mat/impls/kaij/kaij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages