Panzer_Integrator_BasisTimesVector.hpp

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//           Panzer: A partial differential equation assembly
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#ifndef   __Panzer_Integerator_BasisTimesVector_decl_hpp__
#define   __Panzer_Integerator_BasisTimesVector_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_BasisTimesVector
    :
    public panzer::EvaluatorWithBaseImpl<Traits>,
    public PHX::EvaluatorDerived<EvalT, Traits>
  {
    public:
 
      Integrator_BasisTimesVector(
        const panzer::EvaluatorStyle&   evalStyle,
        const std::string&              resName,
        const std::string&              valName,
        const panzer::BasisIRLayout&    basis,
        const panzer::IntegrationRule&  ir,
        const double&                   multiplier = 1,
        const std::vector<std::string>& fmNames    =
          std::vector<std::string>());
 
      Integrator_BasisTimesVector(
        const Teuchos::ParameterList& p);
 
      Integrator_BasisTimesVector(
        const panzer::EvaluatorStyle&                         evalStyle,
        const PHX::FieldTag&                                  resTag,
        const PHX::FieldTag&                                  valTag,
        const BasisDescriptor&                                bd,
        const IntegrationDescriptor&                          id,
        const double&                                         multiplier  = 1,
        const std::vector<PHX::FieldTag>& multipliers =
          std::vector<PHX::FieldTag>());
 
      void
      postRegistrationSetup(
        typename Traits::SetupData sd,
        PHX::FieldManager<Traits>& fm);
 
      void
      evaluateFields(
        typename Traits::EvalData workset);
 
      template<int NUM_FIELD_MULT>
      struct FieldMultTag
      {
      }; // end of struct FieldMultTag
 
      template<int NUM_FIELD_MULT>
      void
      operator()(
        const FieldMultTag<NUM_FIELD_MULT>& tag,
        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_;
 
      double multiplier_;
 
      std::vector<PHX::MDField<const ScalarT, panzer::Cell, panzer::IP>>
      fieldMults_;
 
      Kokkos::View<Kokkos::View<const ScalarT**>*> kokkosFieldMults_;
 
      int numQP_;
 
      int numDim_;
 
      std::string basisName_;
 
      std::size_t basisIndex_;
 
      PHX::MDField<double, panzer::Cell, panzer::BASIS, panzer::IP,
        panzer::Dim> basis_;
 
  }; // end of class Integrator_BasisTimesVector
 
} // end of namespace panzer
 
#endif // __Panzer_Integerator_BasisTimesVector_decl_hpp__