1 typedef struct { 2 PetscInt nshift; 3 PetscInt nshift_max; 4 PetscReal shift_lo; 5 PetscReal shift_hi; 6 PetscInt lushift; 7 PetscReal shift_amount; 8 PetscReal shift_top; 9 PetscReal rs; 10 PetscScalar pv; 11 } Shift_Ctx; 12 13 EXTERN PetscErrorCode PCLUFactorCheckShift(Mat,MatFactorInfo *,Mat *,Shift_Ctx *,PetscInt *); 14