PETSc version 3.17.5
VecSum
Computes the sum of all the components of a vector.
Synopsis
#include "petscvec.h"
PetscErrorCode VecSum(Vec v,PetscScalar *sum)
Collective on Vec
Input Parameter
Output Parameter
See Also
VecMean(), VecNorm()
Level
beginner
Location
src/vec/vec/utils/vinv.c
Examples
src/vec/vec/tutorials/ex18.c.html
src/ksp/ksp/tutorials/ex34.c.html
src/ksp/ksp/tutorials/ex59.c.html
src/ts/tutorials/ex9.c.html
src/ts/tutorials/extchem.c.html
src/tao/unconstrained/tutorials/spectraladjointassimilation.c.html
src/tao/constrained/tutorials/tomographyADMM.c.html
src/tao/pde_constrained/tutorials/elliptic.c.html
src/tao/pde_constrained/tutorials/hyperbolic.c.html
Implementations
VecSum_SeqKokkos in src/vec/vec/impls/seq/kokkos/veckok.kokkos.cxx
VecSum_SeqCUDA in src/vec/vec/impls/seq/seqcuda/veccuda2.cu
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages