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
  • VecGetSize

VecGetSize#

Returns the global number of elements of the vector.

Synopsis#

#include "petscvec.h"   
PetscErrorCode VecGetSize(Vec x, PetscInt *size)

Not Collective

Input Parameter#

  • x - the vector

Output Parameter#

  • size - the global length of the vector

See Also#

Vectors and Parallel Data, Vec, VecGetLocalSize()

Level#

beginner

Location#

src/vec/vec/interface/vector.c

Examples#

src/ksp/ksp/tutorials/ex72.c
src/ksp/ksp/tutorials/ex35.cxx
src/snes/tutorials/ex13.c
src/snes/tutorials/ex2.c
src/ksp/ksp/tutorials/ex43.c
src/ksp/ksp/tutorials/ex68.c
src/ksp/ksp/tutorials/ex73.c
src/ksp/ksp/tutorials/ex36.cxx
src/snes/tutorials/ex5.c
src/ksp/ksp/tutorials/ex59.c

Implementations#

VecGetSize_MPI() in src/vec/vec/impls/mpi/pdvec.c
VecGetSize_Nest() in src/vec/vec/impls/nest/vecnest.c
VecGetSize_Seq() in src/vec/vec/impls/seq/bvec2.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
  • See Also
  • Level
  • Location
  • Examples
  • Implementations
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).