Panzer_Normals_decl.hpp

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#ifndef PANZER_EVALUATOR_NORMALS_DECL_HPP
#define PANZER_EVALUATOR_NORMALS_DECL_HPP

#include <string>
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
#include "Panzer_Evaluator_Macros.hpp"

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

    Normals(
      const Teuchos::ParameterList& p);

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

    void
    evaluateFields(
      typename Traits::EvalData d);

  private:

    using ScalarT = typename EvalT::ScalarT;

  int side_id;
  int quad_order, quad_index;

  std::size_t num_qp, num_dim;

  PHX::MDField<ScalarT,Cell,Point,Dim> normals;
  bool normalize;

public:
  // for testing purposes
  const PHX::FieldTag & getFieldTag() const 
  { return normals.fieldTag(); }

}; // end of class Normals


}

#endif