5: #include <petscsf.h>
  6: #include <petsc/private/matimpl.h>

  8: typedef struct {
  9:   Mat                    A;             /* the local Neumann matrix */
 10:   VecScatter             ctx;           /* update ghost points for matrix vector product */
 11:   Vec                    x,y;           /* work space for ghost values for matrix vector product */
 12:   ISLocalToGlobalMapping mapping;
 13:   int                    rstart,rend;   /* local row ownership */
 14:   PetscBool              pure_neumann;
 15:   PetscSF                sf;
 16:   PetscInt               sf_nroots,sf_nleaves;
 17:   PetscInt               *sf_rootdata,*sf_leafdata;
 18: } Mat_IS;

 20: PETSC_EXTERN PetscErrorCode MatISSetMPIXAIJPreallocation_Private(Mat,Mat,PetscBool);
 21: #endif