# VecGetBlockSize

Gets the blocksize for the vector, i.e. what is used for VecSetValuesBlocked() and VecSetValuesBlockedLocal().

### Synopsis

    #include "petscvec.h"
    int VecGetBlockSize(Vec v,int *bs)

Collective on Vec

### Input Parameter

v -the vector

### Output Parameter

bs -the blocksize

### Notes

All vectors obtained by VecDuplicate() inherit the same blocksize.

### See Also

VecSetValuesBlocked(), VecSetLocalToGlobalMappingBlocked(), VecSetBlockSize()

Level:advanced
Location: src/vec/interface/vector.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages