MueLu_SteepestDescentSolver_decl.hpp

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#ifndef MUELU_STEEPESTDESCENTSOLVER_DECL_HPP
#define MUELU_STEEPESTDESCENTSOLVER_DECL_HPP

#include <Xpetra_Matrix_fwd.hpp>
#include <Xpetra_MultiVector_fwd.hpp>
#include <Xpetra_CrsMatrixWrap_fwd.hpp>
#include <Xpetra_CrsMatrixFactory_fwd.hpp>


#include "MueLu_ConfigDefs.hpp"
#include "MueLu_Utilities_fwd.hpp"
#include "MueLu_SolverBase.hpp"
#include "MueLu_Constraint_fwd.hpp"


namespace MueLu {

  template <class Scalar = double, class LocalOrdinal = int, class GlobalOrdinal = LocalOrdinal, class Node = KokkosClassic::DefaultNode::DefaultNodeType>
  class SteepestDescentSolver : public SolverBase<Scalar, LocalOrdinal, GlobalOrdinal, Node> {
#undef MUELU_STEEPESTDESCENTSOLVER_SHORT
#include "MueLu_UseShortNames.hpp"

  public:


    SteepestDescentSolver(size_t Its, SC StepLength = Teuchos::ScalarTraits<Scalar>::one());




    void Iterate(const Matrix& A, const Constraint& C, const Matrix& P0, RCP<Matrix>& P) const;


  private:
    size_t nIts_;           
    SC     stepLength_;     
  };

} // namespace MueLu

#define MUELU_STEEPESTDESCENTSOLVER_SHORT
#endif // MUELU_STEEPESTDESCENTSOLVER_DECL_HPP