VecMDotBegin#
Starts a split phase multiple dot product computation.
Synopsis#
#include "petscvec.h"
PetscErrorCode VecMDotBegin(Vec x, PetscInt nv, const Vec y[], PetscScalar result[])
Input Parameters#
x - the first vector
nv - number of vectors
y - array of vectors
result - where the result will go (can be
NULL)
Notes#
Each call to VecMDotBegin() should be paired with a call to VecMDotEnd().
See Also#
VecMDotEnd(), VecNormBegin(), VecNormEnd(), VecNorm(), VecDot(), VecMDot(),
VecTDotBegin(), VecTDotEnd(), VecMTDotBegin(), VecMTDotEnd(), PetscCommSplitReductionBegin()
Level#
advanced
Location#
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages