PSCVariableMetricSelection.hxx

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#ifndef CONICBUNDLE_PSCVARIABLEMETRICSELECTION_HXX
#define CONICBUNDLE_PSCVARIABLEMETRICSELECTION_HXX


#include "PSCOracle.hxx"
#include "VariableMetric.hxx"

namespace ConicBundle {




class PSCVariableMetricSelection: public VariableMetricSelection
{
private: 
  CH_Matrix_Classes::Integer selection_method;

  CH_Matrix_Classes::Real oldfactor;

  CH_Matrix_Classes::Real maxeigval_factor;

  CH_Matrix_Classes::Real mineigval_factor;

  PSCOracle* oracle; 
  
  CH_Matrix_Classes::Matrix lamH; 
  CH_Matrix_Classes::Matrix vecH; 
  CH_Matrix_Classes::Matrix tmpQ1; 
  CH_Matrix_Classes::Matrix tmpQ2; 
  CH_Matrix_Classes::Matrix Q1AQ2; 
  CH_Matrix_Classes::Matrix tmpvec; 
  CH_Matrix_Classes::Symmatrix S; 

public:
  ~PSCVariableMetricSelection()
  {}

  PSCVariableMetricSelection(CBout* cb=0,int cbincr=-1):
    VariableMetricSelection(cb,cbincr),
    selection_method(-1),
    oldfactor(0.),
    maxeigval_factor(1e6),
    mineigval_factor(1e-3),
    oracle(0)
  {}
  
  virtual CH_Matrix_Classes::Integer get_selection_method() const
  {return selection_method;}

  virtual void set_selection_method(CH_Matrix_Classes::Integer sm) 
  {selection_method=sm;}

  virtual CH_Matrix_Classes::Real get_oldfactor() const
  {return oldfactor;}

  virtual void set_oldfactor(CH_Matrix_Classes::Real of) 
  {oldfactor=CH_Matrix_Classes::min(1.,CH_Matrix_Classes::max(0.,of));}

  virtual CH_Matrix_Classes::Real get_maxeigval_factor() const
  {return maxeigval_factor;}

  virtual void set_maxeigval_factor(CH_Matrix_Classes::Real ef) 
  {maxeigval_factor=CH_Matrix_Classes::max(1.,ef);}

  virtual CH_Matrix_Classes::Real get_mineigval_factor() const
  {return mineigval_factor;}

  virtual void set_mineigval_factor(CH_Matrix_Classes::Real ef) 
  {mineigval_factor=CH_Matrix_Classes::max(CH_Matrix_Classes::eps_Real,CH_Matrix_Classes::min(1.,ef));}

  virtual void set_oracle(PSCOracle* psco)
  { oracle=psco; }
  
  int add_variable_metric(VariableMetric& H,
                          CH_Matrix_Classes::Integer y_id ,
                          const CH_Matrix_Classes::Matrix& y,
                          bool descent_step,
                          CH_Matrix_Classes::Real weightu,
                          CH_Matrix_Classes::Real model_maxviol,
                          const CH_Matrix_Classes::Indexmatrix* indices,
                          VariableMetricBundleData& bundle_data);

  VariableMetricSelection* clone_VariableMetricSelection() {
    return new PSCVariableMetricSelection(this,0);
  }
};




}

#endif