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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.
//
// Authors: Carl Laird, Andreas Waechter IBM 2004-08-13
#ifndef __IPLOQOMUORACLE_HPP__
#define __IPLOQOMUORACLE_HPP__
#include "IpMuOracle.hpp"
namespace Ipopt
{
/** Implementation of the LOQO formula for computing the
* barrier parameter.
*/
class LoqoMuOracle: public MuOracle
{
public:
/**@name Constructors / Destructors */
///@{
/** Default Constructor */
LoqoMuOracle();
/** Destructor */
virtual ~LoqoMuOracle();
///@}
virtual bool InitializeImpl(
const OptionsList& options,
const std::string& prefix
);
/** Method for computing the value of the barrier parameter that
* could be used in the current iteration (using the LOQO formula).
*/
virtual bool CalculateMu(
Number mu_min,
Number mu_max,
Number& new_mu
);
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 */
LoqoMuOracle(
const LoqoMuOracle&
);
/** Default Assignment Operator */
void operator=(
const LoqoMuOracle&
);
///@}
};
} // namespace Ipopt
#endif