xref: /petsc/src/sys/objects/gcookie.c (revision 9371c9d470a9602b6d10a8bf50c9b2280a79e45a)

/*
     Provides utility routines for manulating any type of PETSc object.
*/
#include <petsc/private/petscimpl.h> /*I   "petscsys.h"    I*/

/*@
   PetscObjectGetClassId - Gets the classid for any PetscObject

   Not Collective

   Input Parameter:
.  obj - any PETSc object, for example a Vec, Mat or KSP.
         Thus must be cast with a (PetscObject), for example,
         PetscObjectGetClassId((PetscObject)mat,&classid);

   Output Parameter:
.  classid - the classid

   Level: developer

@*/
PetscErrorCode PetscObjectGetClassId(PetscObject obj, PetscClassId *classid) {
  PetscFunctionBegin;
  PetscValidHeader(obj, 1);
  PetscValidIntPointer(classid, 2);
  *classid = obj->classid;
  PetscFunctionReturn(0);
}

/*@C
   PetscObjectGetClassName - Gets the class name for any PetscObject

   Not Collective

   Input Parameter:
.  obj - any PETSc object, for example a Vec, Mat or KSP.
         Thus must be cast with a (PetscObject), for example,
         PetscObjectGetClassName((PetscObject)mat,&classname);

   Output Parameter:
.  classname - the class name

   Level: developer

@*/
PetscErrorCode PetscObjectGetClassName(PetscObject obj, const char *classname[]) {
  PetscFunctionBegin;
  PetscValidHeader(obj, 1);
  PetscValidPointer(classname, 2);
  *classname = obj->class_name;
  PetscFunctionReturn(0);
}