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 - MATMPIAIJformat
- B - the second matrix in - MATMPIAIJformat
- scall - either - MAT_INITIAL_MATRIXor- 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#
Level#
developer
Location#
Implementations#
MatGetBrowsOfAcols_MPIXAIJ() in src/mat/impls/aij/mpi/mpiaij.c
Index of all Mat routines
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Index of all manual pages