1 /* 2 Private data structure for ILU/ICC/LU/Cholesky preconditioners. 3 */ 4 #if !defined(__FACTOR_H) 5 #define __FACTOR_H 6 7 #include "private/pcimpl.h" /*I "petscpc.h" I*/ 8 9 typedef struct { 10 Mat fact; /* factored matrix */ 11 MatFactorInfo info; 12 MatOrderingType ordering; /* matrix reordering */ 13 MatSolverPackage solvertype; 14 } PC_Factor; 15 16 EXTERN_C_BEGIN 17 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetZeroPivot_Factor(PC,PetscReal); 18 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetShiftNonzero_Factor(PC,PetscReal); 19 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetShiftPd_Factor(PC,PetscTruth); 20 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetUseDropTolerance_Factor(PC,PetscReal,PetscReal,PetscInt); 21 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetFill_Factor(PC,PetscReal); 22 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetMatOrderingType_Factor(PC,const MatOrderingType); 23 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetLevels_Factor(PC,PetscInt); 24 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetAllowDiagonalFill_Factor(PC); 25 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetPivotInBlocks_Factor(PC,PetscTruth); 26 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetShiftInBlocks_Factor(PC,PetscReal); 27 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorGetMatrix_Factor(PC,Mat*); 28 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetMatSolverPackage_Factor(PC,const MatSolverPackage); 29 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorGetMatSolverPackage_Factor(PC,const MatSolverPackage*); 30 extern PetscErrorCode PETSCKSP_DLLEXPORT PCFactorSetPivoting_Factor(PC,PetscReal); 31 EXTERN_C_END 32 33 #endif 34