PETSc version 3.15.5
MatGetLocalSize
Returns the number of local rows and local columns of a matrix, that is the local size of the left and right vectors as returned by MatCreateVecs(). 
Synopsis
#include "petscmat.h" 
PetscErrorCode MatGetLocalSize(Mat mat,PetscInt *m,PetscInt *n)
Not Collective
Input Parameters
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
Examples
src/ksp/ksp/tutorials/ex10.c.html
src/ksp/ksp/tutorials/ex27.c.html
src/ksp/ksp/tutorials/ex72.c.html
src/ksp/ksp/tutorials/ex77.c.html
src/ksp/ksp/tutorials/ex77f.F90.html
src/snes/tutorials/ex12.c.html
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages