DMGetAuxiliaryVec

Get the auxiliary vector for region specified by the given label and value, and equation part

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMGetAuxiliaryVec(DM dm, DMLabel label, PetscInt value, PetscInt part, Vec *aux)

Not Collective

Input Parameters

• dm - The DM

• label - The DMLabel

• value - The label value indicating the region

• part - The equation part, or 0 if unused

Output Parameter

• aux - The Vec holding auxiliary field data

Note

If no auxiliary vector is found for this (label, value), (NULL, 0, 0) is checked as well.

See Also

DM Basics, DM, DMClearAuxiliaryVec(), DMSetAuxiliaryVec(), DMGetNumAuxiliaryVec(), DMGetAuxiliaryLabels()

Level

advanced

Location

src/dm/interface/dm.c

Examples

src/snes/tutorials/ex12.c
src/snes/tutorials/ex11.c
src/ts/tutorials/ex30.c
src/snes/tutorials/ex7.c

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Index of all DM routines
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Index of all manual pages