petsc-3.7.7 2017-09-25
   
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:src/vec/vec/utils/comb.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages