Panzer_DotProduct_decl.hpp

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#ifndef PANZER_EVALUATOR_DotProduct_DECL_HPP
#define PANZER_EVALUATOR_DotProduct_DECL_HPP
 
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
 
#include "Panzer_Evaluator_Macros.hpp"
 
namespace panzer {
    
template<typename EvalT, typename Traits>
class DotProduct
  :
  public panzer::EvaluatorWithBaseImpl<Traits>,
  public PHX::EvaluatorDerived<EvalT, Traits>
{
  public:
 
    DotProduct(
      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;
  
  PHX::MDField<ScalarT> vec_a_dot_vec_b;
  PHX::MDField<const ScalarT> vec_a, vec_b;
  PHX::MDField<const ScalarT> multiplier_field;
 
  int num_pts;
  int num_dim;
 
  bool multiplier_field_on;
  double multiplier_value;
}; // end of class DotProduct
 
 
template <typename EvalT,typename TraitsT>
Teuchos::RCP<DotProduct<EvalT,TraitsT> > buildEvaluator_DotProduct(const std::string & resultName,
                                                                     const panzer::PointRule & pr,
                                                                     const std::string & vecA,
                                                                     const std::string & vecB,
                                                                     double multiplier=1,
                                                                     const std::string & fieldMultiplier="");
 
}
 
#endif