#if !defined(__PETSCDMSWARM_H)
#define __PETSCDMSWARM_H

#include <petscdm.h>

typedef enum {
  DMSWARM_BASIC=0,
  DMSWARM_PIC
} DMSwarmType;

typedef enum {
  DMSWARM_MIGRATE_BASIC=0,
  DMSWARM_MIGRATE_DMCELLNSCATTER,
  DMSWARM_MIGRATE_DMCELLEXACT,
  DMSWARM_MIGRATE_USER
} DMSwarmMigrateType;

typedef enum {
  DMSWARM_COLLECT_BASIC=0,
  DMSWARM_COLLECT_DMDABOUNDINGBOX,
  DMSWARM_COLLECT_GENERAL,
  DMSWARM_COLLECT_USER
} DMSwarmCollectType;

PETSC_EXTERN const char* DMSwarmTypeNames[];
PETSC_EXTERN const char* DMSwarmMigrateTypeNames[];
PETSC_EXTERN const char* DMSwarmCollectTypeNames[];

PETSC_EXTERN const char DMSwarmField_pid[];
PETSC_EXTERN const char DMSwarmField_rank[];
PETSC_EXTERN const char DMSwarmPICField_coor[];

PETSC_EXTERN PetscErrorCode DMSwarmCreateGlobalVectorFromField(DM,const char[],Vec*);
PETSC_EXTERN PetscErrorCode DMSwarmDestroyGlobalVectorFromField(DM,const char[],Vec*);
PETSC_EXTERN PetscErrorCode DMSwarmCreateLocalVectorFromField(DM,const char[],Vec*);
PETSC_EXTERN PetscErrorCode DMSwarmDestroyLocalVectorFromField(DM,const char[],Vec*);

PETSC_EXTERN PetscErrorCode DMSwarmInitializeFieldRegister(DM);
PETSC_EXTERN PetscErrorCode DMSwarmFinalizeFieldRegister(DM);
PETSC_EXTERN PetscErrorCode DMSwarmSetLocalSizes(DM,PetscInt,PetscInt);
PETSC_EXTERN PetscErrorCode DMSwarmRegisterPetscDatatypeField(DM,const char[],PetscInt,PetscDataType);
PETSC_EXTERN PetscErrorCode DMSwarmRegisterUserStructField(DM,const char[],size_t);
PETSC_EXTERN PetscErrorCode DMSwarmRegisterUserDatatypeField(DM,const char[],size_t,PetscInt);
PETSC_EXTERN PetscErrorCode DMSwarmGetField(DM,const char[],PetscInt*,PetscDataType*,void**);
PETSC_EXTERN PetscErrorCode DMSwarmRestoreField(DM,const char[],PetscInt*,PetscDataType*,void**);

PETSC_EXTERN PetscErrorCode DMSwarmVectorDefineField(DM,const char[]);

PETSC_EXTERN PetscErrorCode DMSwarmAddPoint(DM);
PETSC_EXTERN PetscErrorCode DMSwarmAddNPoints(DM,PetscInt);
PETSC_EXTERN PetscErrorCode DMSwarmRemovePoint(DM);
PETSC_EXTERN PetscErrorCode DMSwarmRemovePointAtIndex(DM,PetscInt);

PETSC_EXTERN PetscErrorCode DMSwarmGetLocalSize(DM,PetscInt*);
PETSC_EXTERN PetscErrorCode DMSwarmGetSize(DM,PetscInt*);
PETSC_EXTERN PetscErrorCode DMSwarmMigrate(DM,PetscBool);

PETSC_EXTERN PetscErrorCode DMSwarmCollectViewCreate(DM);
PETSC_EXTERN PetscErrorCode DMSwarmCollectViewDestroy(DM);
PETSC_EXTERN PetscErrorCode DMSwarmSetCellDM(DM,DM);
PETSC_EXTERN PetscErrorCode DMSwarmGetCellDM(DM,DM*);

PETSC_EXTERN PetscErrorCode DMSwarmSetType(DM,DMSwarmType);

#endif