CFunction.hxx

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#ifndef CONICBUNDLE_CFUNCTION_HXX
#define CONICBUNDLE_CFUNCTION_HXX

//------------------------------------------------------------

#include "MatrixCBSolver.hxx"
#include "cb_cinterface.h"

//------------------------------------------------------------


namespace ConicBundle {
  
  class CFunction: public CBout, public MatrixFunctionOracle 
  {
  private:
    void* function_key;  
    cb_functionp oracle; 
    cb_subgextp subgext; 
    CH_Matrix_Classes::Integer primaldim;   
    CH_Matrix_Classes::Integer max_new;     

  public:
    CFunction(void* fk,cb_functionp fp,cb_subgextp se=0,int prdim=0);
    ~CFunction(){};

    void set_max_new(CH_Matrix_Classes::Integer mn)
    {max_new=CH_Matrix_Classes::max(CH_Matrix_Classes::Integer(1),mn);}

    int evaluate(
                 const  CH_Matrix_Classes::Matrix& current_point,
                 double relprec,
                 double&  objective_value,
                 std::vector<Minorant*>& minorants,
                 PrimalExtender*& 
     );

    int apply_modification
    (
     const OracleModification& oracle_modification ,
     const CH_Matrix_Classes::Matrix* new_center ,
     const CH_Matrix_Classes::Matrix* old_center ,
     bool& discard_objective_in_center ,
     bool& discard_model , 
     bool& discard_aggregates ,
     MinorantExtender*& minorant_extender 
     );

       
  };

  
  
  class CFunctionMinorantExtender: public CBout, public MinorantExtender
  {
  private:
    void* function_key;  
    cb_subgextp subgext; 

    public:
    CFunctionMinorantExtender(void* fk,cb_subgextp se):function_key(fk),subgext(se)
    { assert(se); }

    ~CFunctionMinorantExtender(){}

    int extend(Minorant& minorant,int n_coords,const int* indices);
  };


}
#endif