Skip to main content
Ctrl+K
PETSc 3.23.1 documentation - Home
  • Overview
  • Install
  • Tutorials
  • User-Guide
  • C/Fortran API
  • petsc4py API
  • FAQ
  • Community
  • Developers
  • Misc.
  • GitLab
  • Overview
  • Install
  • Tutorials
  • User-Guide
  • C/Fortran API
  • petsc4py API
  • FAQ
  • Community
  • Developers
  • Misc.
  • GitLab
  • VecGetBlockSize

VecGetBlockSize#

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

Synopsis#

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

Not Collective

Input Parameter#

  • v - the vector

Output Parameter#

  • bs - the blocksize

Note#

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

See Also#

Vectors and Parallel Data, Vec, VecSetValuesBlocked(), VecSetLocalToGlobalMapping(), VecSetBlockSize()

Level#

advanced

Location#

src/vec/vec/interface/vector.c

Examples#

src/dm/tutorials/swarm_ex3.c
src/dm/field/tutorials/ex1.c
src/ksp/ksp/tutorials/ex73.c
src/snes/tutorials/ex76.c
src/snes/tutorials/ex71.c
src/ksp/ksp/tutorials/ex71.c


Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages

On this page
  • Synopsis
  • Input Parameter
  • Output Parameter
  • Note
  • See Also
  • Level
  • Location
  • Examples
Edit on GitLab
Show Source

© Copyright 1991-2025, UChicago Argonne, LLC and the PETSc Development Team.

Created using Sphinx 7.3.7.

Built with the PyData Sphinx Theme 0.15.1.

Last updated on 2025-04-30T13:10:40-0500 (v3.23.1).