Panzer_Integrator_BasisTimesTensorTimesVector.hpp

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#ifndef   __Panzer_Integerator_BasisTimesTensorTimesVector_decl_hpp__
#define   __Panzer_Integerator_BasisTimesTensorTimesVector_decl_hpp__

//
//  Include Files
//

// C++
#include <string>

// Kokkos
#include "Kokkos_DynRankView.hpp"

// Panzer
#include "Panzer_Evaluator_WithBaseImpl.hpp"
#include "Panzer_EvaluatorStyle.hpp"

// Phalanx
#include "Phalanx_Evaluator_Derived.hpp"
#include "Phalanx_MDField.hpp"

namespace panzer
{
  template<typename EvalT, typename Traits>
  class Integrator_BasisTimesTensorTimesVector
    :
    public panzer::EvaluatorWithBaseImpl<Traits>,
    public PHX::EvaluatorDerived<EvalT, Traits>
  {
    public:

      Integrator_BasisTimesTensorTimesVector(
        const panzer::EvaluatorStyle&   evalStyle,
        const std::string&              resName,
        const std::string&              valName,
        const panzer::BasisIRLayout&    basis,
        const panzer::IntegrationRule&  ir,
        const std::string&              tensorName );

      Integrator_BasisTimesTensorTimesVector(
        const Teuchos::ParameterList& p);

      Integrator_BasisTimesTensorTimesVector(
        const panzer::EvaluatorStyle&                         evalStyle,
        const PHX::FieldTag&                                  resTag,
        const PHX::FieldTag&                                  valTag,
        const BasisDescriptor&                                bd,
        const IntegrationDescriptor&                          id,
        const PHX::FieldTag&                                  tensorTag);

      void
      postRegistrationSetup(
        typename Traits::SetupData sd,
        PHX::FieldManager<Traits>& fm);

      void
      evaluateFields(
        typename Traits::EvalData workset);

      KOKKOS_INLINE_FUNCTION
      void operator()(const std::size_t& cell) const;

    private:

      Teuchos::RCP<Teuchos::ParameterList>
      getValidParameters() const;

      using ScalarT = typename EvalT::ScalarT;

      const panzer::EvaluatorStyle evalStyle_;

      bool useDescriptors_;

      BasisDescriptor bd_;

      IntegrationDescriptor id_;

      PHX::MDField<ScalarT, panzer::Cell, panzer::BASIS> field_;

      PHX::MDField<const ScalarT, panzer::Cell, panzer::IP, panzer::Dim>
      vector_;

      PHX::MDField<const ScalarT, panzer::Cell, panzer::IP, panzer::Dim, panzer::Dim>
      tensor_;

    PHX::View<const ScalarT****> kokkosTensor_;


      int numQP_;

      int numDim_;

      std::string basisName_;

      std::size_t basisIndex_;

      PHX::MDField<const double, panzer::Cell, panzer::BASIS, panzer::IP,
        panzer::Dim> basis_;

    PHX::View<ScalarT*> tmp_;

  }; // end of class Integrator_BasisTimesTensorTimesVector

} // end of namespace panzer

#endif // __Panzer_Integerator_BasisTimesTensorTimesVector_decl_hpp__