/usr/include/trilinos/Stokhos_SGPreconditioner.hpp is in libtrilinos-stokhos-dev 12.4.2-2.
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// $Source$
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#ifndef STOKHOS_SG_PRECONDITIONER_HPP
#define STOKHOS_SG_PRECONDITIONER_HPP
#include "Teuchos_RCP.hpp"
#include "Epetra_Operator.h"
#include "Stokhos_SGOperator.hpp"
#include "Epetra_Vector.h"
namespace Stokhos {
/*!
* \brief An abstract class to represent a generic stochastic Galerkin
* preconditioner as an Epetra_Operator.
*/
class SGPreconditioner : public virtual Epetra_Operator {
public:
//! Constructor
SGPreconditioner() {}
//! Destructor
virtual ~SGPreconditioner() {}
//! Setup preconditioner
virtual void
setupPreconditioner(const Teuchos::RCP<Stokhos::SGOperator>& sg_op,
const Epetra_Vector& x) = 0;
}; // class SGPreconditioner
} // namespace Stokhos
#endif // STOKHOS_SG_PRECONDITIONER_HPP
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