petsc-3.7.1 2016-05-15
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VecDotBegin

Starts a split phase dot product computation.

Synopsis

#include "petscvec.h"    
PetscErrorCode  VecDotBegin(Vec x,Vec y,PetscScalar *result)

Input Parameters

x - the first vector Many br
y - the second vector Many br
result - where the result will go (can be NULL) Many br

Many br

Notes

Each call to VecDotBegin() should be paired with a call to VecDotEnd(). Many br

seealso: VecDotEnd(), VecNormBegin(), VecNormEnd(), VecNorm(), VecDot(), VecMDot(), Many brVecTDotBegin(), VecTDotEnd(), PetscCommSplitReductionBegin() Many br

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