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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: IpEqMultCalculator.hpp 1861 2010-12-21 21:34:47Z andreasw $
//
// Authors: Carl Laird, Andreas Waechter IBM 2004-09-23
#ifndef __IPEQMULTCALCULATOR_HPP__
#define __IPEQMULTCALCULATOR_HPP__
#include "IpUtils.hpp"
#include "IpAlgStrategy.hpp"
namespace Ipopt
{
/** Base Class for objects that compute estimates for the equality
* constraint multipliers y_c and y_d. For example, this is the
* base class for objects for computing least square multipliers or
* coordinate multipliers. */
class EqMultiplierCalculator: public AlgorithmStrategyObject
{
public:
/**@name Constructors/Destructors */
//@{
/** Default Constructor. */
EqMultiplierCalculator()
{}
/** Default destructor */
virtual ~EqMultiplierCalculator()
{}
//@}
/** overloaded from AlgorithmStrategyObject */
virtual bool InitializeImpl(const OptionsList& options,
const std::string& prefix) = 0;
/** This method computes the estimates for y_c and y_d at the
* current point. If the estimates cannot be computed (e.g. some
* linear system is singular), the return value of this method is
* false. */
virtual bool CalculateMultipliers(Vector& y_c,
Vector& y_d) = 0;
private:
/**@name Default Compiler Generated Methods
* (Hidden to avoid implicit creation/calling).
* These methods are not implemented and
* we do not want the compiler to implement
* them for us, so we declare them private
* and do not define them. This ensures that
* they will not be implicitly created/called. */
//@{
/** Copy Constructor */
EqMultiplierCalculator(const EqMultiplierCalculator&);
/** Overloaded Equals Operator */
void operator=(const EqMultiplierCalculator&);
//@}
};
} // namespace Ipopt
#endif
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