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// LOCA: Library of Continuation Algorithms Package
// Copyright (2005) Sandia Corporation
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#ifndef LOCA_EIGENSOLVER_DEFAULTSTRATEGY_H
#define LOCA_EIGENSOLVER_DEFAULTSTRATEGY_H
#include "LOCA_Eigensolver_AbstractStrategy.H" // base class
// Forward declarations
namespace Teuchos {
class ParameterList;
}
namespace LOCA {
class GlobalData;
namespace Parameter {
class SublistParser;
}
}
namespace LOCA {
namespace Eigensolver {
//! Default eigensolver strategy
/*!
* This class implements a default eigensolver strategy that does
* not compute any eigenvalues.
*/
class DefaultStrategy : public LOCA::Eigensolver::AbstractStrategy {
public:
//! Constructor
DefaultStrategy(
const Teuchos::RCP<LOCA::GlobalData>& global_data,
const Teuchos::RCP<LOCA::Parameter::SublistParser>& topParams,
const Teuchos::RCP<Teuchos::ParameterList>& eigenParams);
//! Destructor
virtual ~DefaultStrategy();
//! Compute eigenvalues/eigenvectors
/*!
* The implementation here does nothing and always returns
* NOX::Abstract::Group::Ok. Note that this implies the returned
* ref-count pointers are null.
*/
virtual NOX::Abstract::Group::ReturnType
computeEigenvalues(
NOX::Abstract::Group& group,
Teuchos::RCP< std::vector<double> >& evals_r,
Teuchos::RCP< std::vector<double> >& evals_i,
Teuchos::RCP< NOX::Abstract::MultiVector >& evecs_r,
Teuchos::RCP< NOX::Abstract::MultiVector >& evecs_i);
private:
//! Private to prohibit copying
DefaultStrategy(const DefaultStrategy&);
//! Private to prohibit copying
DefaultStrategy& operator = (const DefaultStrategy&);
protected:
//! Global data
Teuchos::RCP<LOCA::GlobalData> globalData;
}; // Class DefaultStrategy
} // Namespace Eigensolver
} // Namespace LOCA
#endif
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