1: /* 
  2:    Private data structure for ILU preconditioner.
  3: */

 7:  #include petscmat.h

  9: typedef struct {
 10:   Mat               fact;             /* factored matrix */
 11:   MatOrderingType   ordering;         /* matrix reordering */
 12:   IS                row,col;         /* row and column permutations for reordering */
 13:   void              *implctx;         /* private implementation context */
 14:   PetscTruth        inplace;          /* in-place ILU factorization */
 15:   PetscTruth        reuseordering;    /* reuses previous reordering computed */

 17:   PetscTruth        usedt;            /* use drop tolerance form of ILU */
 18:   PetscTruth        reusefill;        /* reuse fill from previous ILUDT */
 19:   PetscReal         actualfill;       /* expected fill in factorization */
 20:   MatFactorInfo     info;
 21:   PetscTruth        nonzerosalongdiagonal;
 22:   PetscReal         nonzerosalongdiagonaltol;
 23: } PC_ILU;

 25: #endif