
#if !defined(_MHYP_H)
#define _MHYP_H

#include <petscdmda.h>   /*I "petscdmda.h" I*/
#include <HYPRE_struct_mv.h>
#include <HYPRE_struct_ls.h>
#include <_hypre_struct_mv.h>
#include <HYPRE_sstruct_mv.h>
#include <HYPRE_sstruct_ls.h>
#include <_hypre_sstruct_mv.h>

typedef struct {
  MPI_Comm            hcomm;
  DM                  da;
  HYPRE_StructGrid    hgrid;
  HYPRE_StructStencil hstencil;
  HYPRE_StructMatrix  hmat;
  HYPRE_StructVector  hb,hx;
  hypre_Box           hbox;

  PetscBool needsinitialization;

  /* variables that are stored here so they need not be reloaded for each MatSetValuesLocal() or MatZeroRowsLocal() call */
  PetscInt *gindices,rstart,gnx,gnxgny,xs,ys,zs,nx,ny,nxny;
} Mat_HYPREStruct;

typedef struct {
  MPI_Comm             hcomm;
  DM                   da;
  HYPRE_SStructGrid    ss_grid;
  HYPRE_SStructGraph   ss_graph;
  HYPRE_SStructStencil ss_stencil;
  HYPRE_SStructMatrix  ss_mat;
  HYPRE_SStructVector  ss_b, ss_x;
  hypre_Box            hbox;

  int ss_object_type;
  int nvars;
  int dofs_order;

  PetscBool needsinitialization;

  /* variables that are stored here so they need not be reloaded for each MatSetValuesLocal() or MatZeroRowsLocal() call */
  PetscInt *gindices,rstart,gnx,gnxgny,gnxgnygnz,xs,ys,zs,nx,ny,nz,nxny,nxnynz;
} Mat_HYPRESStruct;


PETSC_INTERN PetscErrorCode MatHYPRE_IJMatrixCreate(Mat,HYPRE_IJMatrix*);
PETSC_INTERN PetscErrorCode MatHYPRE_IJMatrixCopy(Mat,HYPRE_IJMatrix);
PETSC_INTERN PetscErrorCode MatHYPRE_IJMatrixFastCopy(Mat,HYPRE_IJMatrix);
PETSC_EXTERN PetscErrorCode VecHYPRE_IJVectorCreate(Vec,HYPRE_IJVector*);


#endif
