IpSlackBasedTSymScalingMethod.hpp

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// Copyright (C) 2009 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// $Id: IpSlackBasedTSymScalingMethod.hpp 2206 2013-04-13 15:29:15Z stefan $
//
// Authors:  Andreas Waechter                   IBM    2009-11-13
//               (based on IpInexactTSymScalingMethod.hpp)

#ifndef __IPSLACKBASEDTSYMSCALINGMETHOD_HPP__
#define __IPSLACKBASEDTSYMSCALINGMETHOD_HPP__

#include "IpUtils.hpp"
#include "IpTSymScalingMethod.hpp"

namespace Ipopt
{

  class SlackBasedTSymScalingMethod: public TSymScalingMethod
  {
  public:
    SlackBasedTSymScalingMethod()
    {}

    virtual ~SlackBasedTSymScalingMethod()
    {}

    virtual bool InitializeImpl(const OptionsList& options,
                                const std::string& prefix);

    virtual bool ComputeSymTScalingFactors(Index n,
                                           Index nnz,
                                           const ipfint* airn,
                                           const ipfint* ajcn,
                                           const double* a,
                                           double* scaling_factors);
  private:
    SlackBasedTSymScalingMethod(const SlackBasedTSymScalingMethod&);

    void operator=(const SlackBasedTSymScalingMethod&);
  };


} // namespace Ipopt

#endif