MatGetBrowsOfAcols

Returns IS that contain rows of B that equal to nonzero columns of local A

Synopsis

#include "petscmat.h" 
PetscErrorCode MatGetBrowsOfAcols(Mat A, Mat B, MatReuse scall, IS *rowb, IS *colb, Mat *B_seq)

Collective

Input Parameters

• A - the first matrix in MATMPIAIJ format

• B - the second matrix in MATMPIAIJ format

• scall - either MAT_INITIAL_MATRIX or MAT_REUSE_MATRIX

Output Parameters

• rowb - On input index sets of rows of B to extract (or NULL), modified on output

• colb - On input index sets of columns of B to extract (or NULL), modified on output

• B_seq - the sequential matrix generated

See Also

Mat, MATMPIAIJ, IS, MatReuse

Level

developer

Location

src/mat/impls/aij/mpi/mpiaij.c

Implementations

MatGetBrowsOfAcols_MPIXAIJ() in src/mat/impls/aij/mpi/mpiaij.c

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Index of all Mat routines
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Index of all manual pages