petsc-3.15.0 2021-03-30
MatMissingDiagonal
Determine if sparse matrix is missing a diagonal entry (or block entry for BAIJ matrices)
Synopsis
#include "petscmat.h"
PetscErrorCode MatMissingDiagonal(Mat mat,PetscBool *missing,PetscInt *dd)
Not Collective
Input Parameter
Output Parameters
| missing | - is any diagonal missing
|
| dd | - first diagonal entry that is missing (optional) on this process
|
See Also
MatRealPart()
Level
advanced
Location
src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages