#pragma once

#include <petscdmfield.h>
#include <petsc/private/petscimpl.h>

PETSC_EXTERN PetscBool      DMFieldRegisterAllCalled;
PETSC_EXTERN PetscErrorCode DMFieldRegisterAll(void);

typedef struct _DMFieldOps *DMFieldOps;
struct _DMFieldOps {
  PetscErrorCode (*create)(DMField);
  PetscErrorCode (*destroy)(DMField);
  PetscErrorCode (*setfromoptions)(PetscOptionItems *, DMField);
  PetscErrorCode (*setup)(DMField);
  PetscErrorCode (*view)(DMField, PetscViewer);
  PetscErrorCode (*evaluate)(DMField, Vec, PetscDataType, void *, void *, void *);
  PetscErrorCode (*evaluateFE)(DMField, IS, PetscQuadrature, PetscDataType, void *, void *, void *);
  PetscErrorCode (*evaluateFV)(DMField, IS, PetscDataType, void *, void *, void *);
  PetscErrorCode (*getDegree)(DMField, IS, PetscInt *, PetscInt *);
  PetscErrorCode (*createDefaultQuadrature)(DMField, IS, PetscQuadrature *);
  PetscErrorCode (*computeFaceData)(DMField, IS, PetscQuadrature, PetscFEGeom *);
};
struct _p_DMField {
  PETSCHEADER(struct _DMFieldOps);
  DM                dm;
  DMFieldContinuity continuity;
  PetscInt          numComponents;
  void             *data;
};

PETSC_INTERN PetscErrorCode DMFieldCreate(DM, PetscInt, DMFieldContinuity, DMField *);
PETSC_INTERN PetscErrorCode DMFieldGetFVQuadrature_Internal(DMField, IS, PetscQuadrature *);
