PetscObjectStateGet#
Gets the state of any PetscObject, regardless of the type.
Synopsis#
#include "petscsys.h"
PetscErrorCode PetscObjectStateGet(PetscObject obj, PetscObjectState *state)
Not Collective
Input Parameter#
obj - any PETSc object, for example a
Vec,MatorKSP. This must be cast with a (PetscObject), for example,PetscObjectStateGet((PetscObject)mat,&state);
Output Parameter#
state - the object state
Note#
Object state is an integer which gets increased every time
the object is changed. By saving and later querying the object state
one can determine whether information about the object is still current.
Currently, state is maintained for Vec and Mat objects.
See Also#
Level#
advanced
Location#
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages