petsc-3.13.6 2020-09-29
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VecTDotBegin

Starts a split phase transpose dot product computation.

Synopsis

#include "petscvec.h"    
PetscErrorCode  VecTDotBegin(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 VecTDotBegin() should be paired with a call to VecTDotEnd().

See Also

VecTDotEnd(), VecNormBegin(), VecNormEnd(), VecNorm(), VecDot(), VecMDot(),
VecDotBegin(), VecDotEnd(), 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