PetscObjectComposedDataGetScalar#

retrieve PetscScalar data attached to a PetscObject that was set with PetscObjectComposedDataSetScalar()

Synopsis#

#include "petsc/private/petscimpl.h"
PetscErrorCode PetscObjectComposedDataGetScalar(PetscObject obj, PetscInt id, PetscScalar data, PetscBool flag)

Not Collective

Input Parameters#

obj - the object from which data is to be retrieved
id - the identifier for the data

Output Parameters#

data - the data to be retrieved, a PetscScalar
flag - PETSC_TRUE if the data item exists and is valid, PETSC_FALSE otherwise

Note#

The data and flag variables are inlined, so they are not pointers.

See Also#

PetscObjectComposedDataSetInt(), PetscObjectComposedDataSetReal(), PetscObjectComposedDataGetReal(), PetscObjectComposedDataSetIntstar(), PetscObjectComposedDataSetIntstar(), PetscObjectComposedDataGetInt(), PetscObject, PetscObjectCompose(), PetscObjectQuery(), PetscObjectComposedDataSetRealstar(), PetscObjectComposedDataSetScalar()

Level#

developer

Location#

include/petsc/private/petscimpl.h

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