petsc-3.4.5 2014-06-29

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

v -the vector

Output Parameter

sum -the result

See Also

Level:beginner
Location:src/vec/vec/utils/vinv.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/vec/vec/examples/tutorials/ex18.c.html
src/ts/examples/tutorials/ex9.c.html