#ifndef _MHYPRE_H
#define _MHYPRE_H

#include <petscsys.h>
#include <../src/vec/vec/impls/hypre/vhyp.h>
#include <HYPRE_IJ_mv.h>

typedef struct {
  HYPRE_IJMatrix    ij;
  VecHYPRE_IJVector x;
  VecHYPRE_IJVector b;
  MPI_Comm          comm;
  PetscBool         inner_free;

  /* MatGetArray_HYPRE */
  void     *array;
  PetscInt  array_size;
  PetscBool array_available;

  /* MatSetOption_ support */
  PetscBool donotstash;

  /* COO */
  Mat                  cooMat;        /* An agent matrix which does the MatSetValuesCOO() job for IJMatrix */
  HYPRE_Int           *diagJ, *offdJ; /* Allocated by hypre, but we take the ownership away, so we need to free them on our own */
  PetscInt            *diag;          /* Diagonal pointers (i.e., SeqAIJ->diag[]) on device, allocated by hypre_TAlloc(). */
  HYPRE_MemoryLocation memType;
} Mat_HYPRE;

#endif