MatDiagonalScaleLocal#
Scales columns of a matrix given the scaling values including the ghosted ones.
Synopsis#
#include "petscmat.h"
PetscErrorCode MatDiagonalScaleLocal(Mat mat, Vec diag)
Not Collective
Input Parameters#
mat - the matrix
diag - the diagonal values, including ghost ones
Notes#
Works only for MATMPIAIJ and MATMPIBAIJ matrices
This allows one to avoid during communication to perform the scaling that must be done with MatDiagonalScale()
See Also#
Level#
developer
Location#
Implementations#
MatDiagonalScaleLocal_MPIAIJ() in src/mat/impls/aij/mpi/mmaij.c
MatDiagonalScaleLocal_MPIBAIJ() in src/mat/impls/baij/mpi/mmbaij.c
MatDiagonalScaleLocal_MPISELL() in src/mat/impls/sell/mpi/mmsell.c
Index of all Mat routines
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Index of all manual pages