/* Private data structure for LU preconditioner. */ #if !defined(__LU_H) #define __LU_H #include "petscmat.h" typedef struct { Mat fact; /* factored matrix */ PetscReal actualfill; /* actual fill in factor */ PetscTruth inplace; /* flag indicating in-place factorization */ IS row,col; /* index sets used for reordering */ MatOrderingType ordering; /* matrix ordering */ PetscTruth reuseordering; /* reuses previous reordering computed */ PetscTruth reusefill; /* reuse fill from previous LU */ MatFactorInfo info; PetscTruth nonzerosalongdiagonal; PetscReal nonzerosalongdiagonaltol; } PC_LU; #endif