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// LOCA: Library of Continuation Algorithms Package
// Copyright (2005) Sandia Corporation
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#ifndef LOCA_THYRA_SAVEDATASTRATEGY_H
#define LOCA_THYRA_SAVEDATASTRATEGY_H
#include "Teuchos_RCP.hpp"
#include "NOX_Abstract_Vector.H"
#include "LOCA_Abstract_Iterator.H"
namespace LOCA {
namespace Thyra {
//! Abstract interface class strategies to save continuation data
class SaveDataStrategy {
public:
//! Constructor
SaveDataStrategy() {}
//! Destructor
virtual ~SaveDataStrategy() {}
//! Save solution
/*!
* \param x [in] Solution vector
* \param p [in] Parameter value
* \returns ReturnType code indicating success or failure
*/
virtual void
saveSolution(const NOX::Abstract::Vector& x, double p) {}
//! Perform any preprocessing before a continuation step starts.
/*!
* The \c stepStatus argument indicates whether the previous step was
* successful. The default implementation to empty.
*/
virtual void
preProcessContinuationStep(
LOCA::Abstract::Iterator::StepStatus stepStatus) {}
//! Perform any postprocessing after a continuation step finishes.
/*!
* The \c stepStatus argument indicates whether the step was
* successful. The default implementation to empty.
*/
virtual void
postProcessContinuationStep(
LOCA::Abstract::Iterator::StepStatus stepStatus) {}
//! Projects solution to a few scalars for multiparameter continuation
/*!
* This method is called every time a solution is saved by the
* multiparameter continuation code MF for later visualization
* and should project the solution vector down to a few scalars.
* The array \c px will be preallocated to the proper length
* given by projectToDrawDimension().
*/
virtual void projectToDraw(const NOX::Abstract::Vector& x,
double *px) const {}
//! Returns the dimension of the project to draw array
virtual int projectToDrawDimension() const { return 0; }
private:
//! Private to prohibit copying
SaveDataStrategy(const SaveDataStrategy&);
//! Private to prohibit copying
SaveDataStrategy& operator = (const SaveDataStrategy&);
}; // Class SaveDataStrategy
} // Namespace Thyra
} // Namespace LOCA
#endif // LOCA_THYRA_SAVEDATASTRATEGY_H
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