1: /* 
  2:    Private data structure for ILU/ICC/LU/Cholesky preconditioners.
  3: */

  7: #include <petsc-private/pcimpl.h>                /*I "petscpc.h" I*/

  9: typedef struct {
 10:   Mat               fact;             /* factored matrix */
 11:   MatFactorInfo     info;
 12:   MatOrderingType   ordering;         /* matrix reordering */
 13:   MatSolverPackage  solvertype;
 14:   MatFactorType     factortype;
 15: } PC_Factor;

 17: extern PetscErrorCode  PCFactorGetMatrix_Factor(PC,Mat*);

 19: EXTERN_C_BEGIN
 20: extern PetscErrorCode  PCFactorSetZeroPivot_Factor(PC,PetscReal);
 21: extern PetscErrorCode  PCFactorSetShiftType_Factor(PC,MatFactorShiftType);
 22: extern PetscErrorCode  PCFactorSetShiftAmount_Factor(PC,PetscReal);
 23: extern PetscErrorCode  PCFactorSetDropTolerance_Factor(PC,PetscReal,PetscReal,PetscInt);
 24: extern PetscErrorCode  PCFactorSetFill_Factor(PC,PetscReal);
 25: extern PetscErrorCode  PCFactorSetMatOrderingType_Factor(PC,const MatOrderingType);
 26: extern PetscErrorCode  PCFactorSetLevels_Factor(PC,PetscInt);
 27: extern PetscErrorCode  PCFactorSetAllowDiagonalFill_Factor(PC);
 28: extern PetscErrorCode  PCFactorSetPivotInBlocks_Factor(PC,PetscBool );
 29: extern PetscErrorCode  PCFactorSetMatSolverPackage_Factor(PC,const MatSolverPackage);
 30: extern PetscErrorCode  PCFactorSetUpMatSolverPackage_Factor(PC);
 31: extern PetscErrorCode  PCFactorGetMatSolverPackage_Factor(PC,const MatSolverPackage*);
 32: extern PetscErrorCode  PCFactorSetColumnPivot_Factor(PC,PetscReal);
 33: extern PetscErrorCode  PCSetFromOptions_Factor(PC);
 34: extern PetscErrorCode PCView_Factor(PC,PetscViewer);
 35: EXTERN_C_END

 37: #endif