VecMDotEnd#

Ends a split phase multiple dot product computation.

Synopsis#

#include "petscvec.h"    
PetscErrorCode VecMDotEnd(Vec x, PetscInt nv, const Vec y[], PetscScalar result[])

Input Parameters#

  • x - the first vector (can be NULL)

  • nv - number of vectors

  • y - array of vectors (can be NULL)

Output Parameter#

  • result - where the result will go

Notes#

Each call to VecMDotBegin() should be paired with a call to VecMDotEnd().

See Also#

VecMDotBegin(), VecNormBegin(), VecNormEnd(), VecNorm(), VecDot(), VecMDot(), VecTDotBegin(), VecTDotEnd(), VecMTDotBegin(), VecMTDotEnd(), PetscCommSplitReductionBegin()

Level#

advanced

Location#

src/vec/vec/utils/comb.c

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Index of all Vec routines
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Index of all manual pages