MatISSetLocalMat#

Replace the local matrix stored inside a MATIS object.

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatISSetLocalMat(Mat mat, Mat local)

Collective

Input Parameters#

  • mat - the matrix

  • local - the local matrix

Notes#

Any previous matrix within the MATIS has its reference count decreased by one.

This can be called if you have precomputed the local matrix and want to provide it to the matrix object MATIS.

See Also#

Matrices, Mat, MATIS, MatISSetLocalMatType, MatISGetLocalMat()

Level#

advanced

Location#

src/mat/impls/is/matis.c

Examples#

src/ksp/ksp/tutorials/ex59.c

Implementations#

MatISSetLocalMat_IS() in src/mat/impls/is/matis.c

Index of all Mat routines
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Index of all manual pages