petsc-3.9.4 2018-09-11
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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

Notes

The flag is to ensure that users are aware of MatGetRow() only provides the upper trianglular part of the row for the matrices in MATSBAIJ format.

See Also

MatRestoreRowRowUpperTriangular()

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
mat - the matrix