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// Copyright (C) 2005, 2007 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// Authors: Andreas Waechter IBM 2005-10-13
#ifndef __IPSEARCHDIRCALCULATOR_HPP__
#define __IPSEARCHDIRCALCULATOR_HPP__
#include "IpAlgStrategy.hpp"
namespace Ipopt
{
/** Base class for computing the search direction for the line
* search.
*/
class IPOPTLIB_EXPORT SearchDirectionCalculator: public AlgorithmStrategyObject
{
public:
/**@name Constructors/Destructors */
///@{
/** Constructor */
SearchDirectionCalculator()
{ }
/** Destructor */
virtual ~SearchDirectionCalculator()
{ }
///@}
virtual bool InitializeImpl(
const OptionsList& options,
const std::string& prefix
) = 0;
/** Pure virtual method for computing the search direction.
*
* The computed direction is stored in IpData().delta().
*/
virtual bool ComputeSearchDirection() = 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.
*/
///@{
/** Default Constructor */
// SearchDirectionCalculator();
/** Copy Constructor */
SearchDirectionCalculator(
const SearchDirectionCalculator&
);
/** Default Assignment Operator */
void operator=(
const SearchDirectionCalculator&
);
///@}
};
} // namespace Ipopt
#endif