petsc-3.11.4 2019-09-28
MatGetRowUpperTriangular
Sets a flag to enable calls to MatGetRow() for matrix in MATSBAIJ format. You should call MatRestoreRowUpperTriangular() after calling MatGetRow/MatRestoreRow() to disable the flag.
Synopsis
#include "petscmat.h"
PetscErrorCode MatGetRowUpperTriangular(Mat mat)
Not Collective
Input Parameters