#if !defined(DMPRODUCT_H_) #define DMPRODUCT_H_ #include PETSC_EXTERN PetscErrorCode DMCreate_Product(DM); PETSC_EXTERN PetscErrorCode DMProductGetDM(DM, PetscInt, DM *); PETSC_EXTERN PetscErrorCode DMProductSetDimensionIndex(DM, PetscInt, PetscInt); PETSC_EXTERN PetscErrorCode DMProductSetDM(DM, PetscInt, DM); #endif