IpLineSearch.hpp

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// Copyright (C) 2004, 2006 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// $Id: IpLineSearch.hpp 1861 2010-12-21 21:34:47Z andreasw $
//
// Authors:  Carl Laird, Andreas Waechter     IBM    2004-08-13

#ifndef __IPLINESEARCH_HPP__
#define __IPLINESEARCH_HPP__

#include "IpAlgStrategy.hpp"
#include "IpIpoptCalculatedQuantities.hpp"

namespace Ipopt
{

  class LineSearch : public AlgorithmStrategyObject
  {
  public:
    LineSearch()
    {}

    virtual ~LineSearch()
    {}

    virtual void FindAcceptableTrialPoint() = 0;

    virtual void Reset() = 0;

    virtual void SetRigorousLineSearch(bool rigorous) = 0;

    virtual bool CheckSkippedLineSearch() = 0;

    virtual bool ActivateFallbackMechanism() = 0;

  private:
    LineSearch(const LineSearch&);

    void operator=(const LineSearch&);

  };

} // namespace Ipopt

#endif