ClpPredictorCorrector.hpp

// Copyright (C) 2003, International Business Machines
// Corporation and others.  All Rights Reserved.

/* 
   Authors
   
   John Forrest

 */
#ifndef ClpPredictorCorrector_H
#define ClpPredictorCorrector_H

#include "ClpInterior.hpp"

class ClpPredictorCorrector : public ClpInterior {

public:

  int solve();


  //phase  - 0 predictor
  //         1 corrector
  //         2 primal dual
  double findStepLength(const int phase);
  double findDirectionVector(const int phase);
  void createSolution();
  //phase 0=as is , 1 = after predictor , 2 after corrector
  double complementarityGap(int & numberComplementarityPairs,
                            const int phase);
  //phase 0=affine , 1 = corrector , 2 = primal-dual
  void setupForSolve(const int phase);
  //method: sees if looks plausible change in complementarity
  bool checkGoodMove(const bool doCorrector);
  bool checkGoodMove2(const double move);
  //returns number fixed
  int updateSolution();
  double affineProduct();

};
#endif

---