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// LOCA: Library of Continuation Algorithms Package
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#ifndef LOCA_MULTICONTINUATION_CONSTRAINTINTERFACEMVDX_H
#define LOCA_MULTICONTINUATION_CONSTRAINTINTERFACEMVDX_H
#include "LOCA_MultiContinuation_ConstraintInterface.H" // base class
namespace LOCA {
namespace MultiContinuation {
/*!
* \brief Abstract interface for the constraint portion of a constrained
* nonlinear system for constraints that support computing a solution
* component derivative as a multi-vector.
*/
/*!
* This class extends the LOCA::MultiContinuation::ConstraintInterface
* to support constraints that support computing the entire derivative
* with respect to the solution components (x) and storing the resulting
* derivative as a multivector. This interface adds one additional
* method, getConstraintDerivativesX(), that returns this derivative.
* Additionally, it implements the applyConstraintDerivativesX() methods
* using standard multi-vector operations.
*/
class ConstraintInterfaceMVDX :
public virtual LOCA::MultiContinuation::ConstraintInterface {
public:
//! Constructor
ConstraintInterfaceMVDX() {}
//! Destructor
virtual ~ConstraintInterfaceMVDX() {}
//! Return solution component of constraint derivatives
/*!
* May return NULL if constraint derivative is zero
*/
virtual const NOX::Abstract::MultiVector*
getDX() const = 0;
//! Compute result_p = alpha * dg/dx * input_x
/*!
* This method is implemented using getConstraintDerivativesX()
* and the NOX::Abstract::MultiVector::multiply() method.
*/
virtual NOX::Abstract::Group::ReturnType
multiplyDX(double alpha,
const NOX::Abstract::MultiVector& input_x,
NOX::Abstract::MultiVector::DenseMatrix& result_p) const;
//! Compute result_x = alpha * dg/dx^T * op(b) + beta * result_x
/*!
* This method is implemented using getConstraintDerivativesX()
* and the NOX::Abstract::MultiVector::update() method.
*/
virtual NOX::Abstract::Group::ReturnType
addDX(Teuchos::ETransp transb,
double alpha,
const NOX::Abstract::MultiVector::DenseMatrix& b,
double beta,
NOX::Abstract::MultiVector& result_x) const;
}; // Class ConstraintInterfaceMVDX
} // Namespace MultiContinuation
} // Namespace LOCA
#endif // LOCA_MULTICONTINUATION_CONSTRAINTINTERFACE_H
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