petsc-3.13.6 2020-09-29
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
mat -the matrix
Notes
The flag is to ensure that users are aware of MatGetRow() only provides the upper triangular part of the row for the matrices in MATSBAIJ format.
See Also
MatRestoreRowUpperTriangular()
Level
advanced
Location
src/mat/interface/matrix.c
Implementations
MatGetRowUpperTriangular_MPISBAIJ in src/mat/impls/sbaij/mpi/mpisbaij.c
MatGetRowUpperTriangular_SeqSBAIJ in src/mat/impls/sbaij/seq/sbaij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages