1: #pragma once

  3: #include <petscdm.h>

  5: PETSC_EXTERN PetscErrorCode DMCreate_Product(DM);
  6: PETSC_EXTERN PetscErrorCode DMProductGetDM(DM, PetscInt, DM *);
  7: PETSC_EXTERN PetscErrorCode DMProductSetDimensionIndex(DM, PetscInt, PetscInt);
  8: PETSC_EXTERN PetscErrorCode DMProductSetDM(DM, PetscInt, DM);