AbstractMultigrid

class AbstractMultigrid : public MatrixInverse

Abstract multigrid class

Public Methods
AbstractMultigrid(Matrix *a): Constructor
virtual void RestrictTo(unsigned level, const Vector &x, Vector &y) const: Restriction operator
virtual void InterpolateFrom(unsigned level, const Vector &x, Vector &y) const: Interpolation operator
void SetCorrectionTimes(int t): Set correctiontimes
void SetCoarseSmoothingTime(int t): Set coarse smoothingtime
void SetSmoothingTimes(int t): Set smoothingtimes to be t for all level except for level 0
void SetSmoothingTimes(int t, int g): Set smoothingtimes to be g^(J-k) * t for all level k except for level 0
void SetSmoothingTimes(Array<int> t): Set smoothingtimes from a given array
virtual void ApplyBilinearForm(unsigned level, const Vector &x, Vector &y) const: Apply Bilinearform on given level
virtual void ApplySmoother(unsigned level, const Vector &x, Vector &y) const: Apply Smoother on given level
void Mult(const Vector &x, Vector &y) const: Matrix vector multiplication
~AbstractMultigrid(): Destructor

Protected Fields
int levels: Number of levels of the multigrid structure
int correctiontimes: Time of corrections (All levels have the same correctiontime)
Array <int> smoothingtimes: Time of smoothings for each level

Protected Methods
virtual int GetLevelSize(int level) const: Get size of each level
void MultAtLevel(unsigned level, const Vector &x, Vector &y) const: Matrix vector multiplication at given level