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
y - the second vector
result - where the result will go (can be
NULL)
Notes#
Each call to VecDotBegin() should be paired with a call to VecDotEnd().
See Also#
VecDotEnd(), VecNormBegin(), VecNormEnd(), VecNorm(), VecDot(), VecMDot(),
VecTDotBegin(), VecTDotEnd(), PetscCommSplitReductionBegin()
Level#
advanced
Location#
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages