petsc-master 2014-09-22
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MatGetLocalSize

Returns the number of rows and columns in a matrix stored locally. This information may be implementation dependent, so use with care.

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatGetLocalSize(Mat mat,PetscInt *m,PetscInt *n)
Not Collective

Input Parameters

mat -the matrix

Output Parameters

m - the number of local rows
n - the number of local columns

Note: both output parameters can be NULL on input.

See Also

MatGetSize()

Level:beginner
Location:
src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/mat/examples/tutorials/ex4.c.html
src/ksp/ksp/examples/tutorials/ex10.c.html
src/ksp/ksp/examples/tutorials/ex27.c.html
src/snes/examples/tutorials/ex12.c.html
src/snes/examples/tutorials/ex54.c.html
src/snes/examples/tutorials/ex55.c.html
src/snes/examples/tutorials/ex60.c.html
src/snes/examples/tutorials/ex61.c.html
src/snes/examples/tutorials/ex63.c.html
src/snes/examples/tutorials/ex633d_db.c.html
src/snes/examples/tutorials/ex64.c.html