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// LOCA: Library of Continuation Algorithms Package
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#ifndef LOCA_ABSTRACT_TRANSPOSESOLVEGROUP_H
#define LOCA_ABSTRACT_TRANSPOSESOLVEGROUP_H
#include "NOX_Abstract_Group.H" // base class
namespace LOCA {
namespace Abstract {
/*!
* \brief Abstract group interface class for solving the transpose
* of the Jacobian.
*/
/*!
* This interface, derived from NOX::Abstract::Group, provides the
* additional interface for solving the transpose of the Jacobian.
*/
class TransposeSolveGroup : public virtual NOX::Abstract::Group {
public:
//! Constructor
TransposeSolveGroup() {}
//! Destructor
virtual ~TransposeSolveGroup() {}
//! Solve Jacobian-tranpose system
virtual NOX::Abstract::Group::ReturnType
applyJacobianTransposeInverse(Teuchos::ParameterList& params,
const NOX::Abstract::Vector& input,
NOX::Abstract::Vector& result) const = 0;
//! Solve Jacobian-tranpose system with multiple right-hand sides
virtual NOX::Abstract::Group::ReturnType
applyJacobianTransposeInverseMultiVector(
Teuchos::ParameterList& params,
const NOX::Abstract::MultiVector& input,
NOX::Abstract::MultiVector& result) const = 0;
//! Bring NOX::Abstract::Group::operator=() into scope
using NOX::Abstract::Group::operator=;
}; // Class TransposeSolveGroup
} // Namespace Abstract
} // Namespace LOCA
#endif // LOCA_ABSTRACT_TRANSPOSESOLVEGROUP_H
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