1 /* 2 Private data structure for LU preconditioner. 3 */ 4 #if !defined(__LU_H) 5 #define __LU_H 6 7 #include "../src/ksp/pc/impls/factor/factor.h" 8 9 typedef struct { 10 PC_Factor hdr; 11 PetscReal actualfill; /* actual fill in factor */ 12 PetscTruth inplace; /* flag indicating in-place factorization */ 13 IS row,col; /* index sets used for reordering */ 14 PetscTruth reuseordering; /* reuses previous reordering computed */ 15 PetscTruth reusefill; /* reuse fill from previous LU */ 16 PetscTruth nonzerosalongdiagonal; 17 PetscReal nonzerosalongdiagonaltol; 18 } PC_LU; 19 20 #endif 21