Panzer_DOFDiv.hpp

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//           Panzer: A partial differential equation assembly
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#ifndef PANZER_EVALUATOR_DOF_DIV_DECL_HPP
#define PANZER_EVALUATOR_DOF_DIV_DECL_HPP
 
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
#include "Panzer_Evaluator_WithBaseImpl.hpp"
 
namespace panzer {
    
template<typename EvalT, typename TRAITS>                   
class DOFDiv : public panzer::EvaluatorWithBaseImpl<TRAITS>,      
                public PHX::EvaluatorDerived<EvalT, TRAITS>  {   
public:
 
  DOFDiv(const Teuchos::ParameterList& p);
 
  DOFDiv(const PHX::FieldTag & input,
         const PHX::FieldTag & output,
         const panzer::BasisDescriptor & bd,
         const panzer::IntegrationDescriptor & id);
 
  void postRegistrationSetup(typename TRAITS::SetupData d,
                             PHX::FieldManager<TRAITS>& fm);
 
  void evaluateFields(typename TRAITS::EvalData d);
 
private:
 
  typedef typename EvalT::ScalarT ScalarT;
 
  bool use_descriptors_;
  panzer::BasisDescriptor bd_;
  panzer::IntegrationDescriptor id_;
  
  PHX::MDField<const ScalarT,Cell,Point> dof_value;
  PHX::MDField<ScalarT,Cell,IP> dof_div;
 
  std::string basis_name;
  std::size_t basis_index;
};
 
// Specitialization for the Jacobian
template<typename TRAITS>                   
class DOFDiv<panzer::Traits::Jacobian,TRAITS> : 
                public panzer::EvaluatorWithBaseImpl<TRAITS>,      
                public PHX::EvaluatorDerived<panzer::Traits::Jacobian, TRAITS>  {   
public:
 
  DOFDiv(const Teuchos::ParameterList& p);
 
  DOFDiv(const PHX::FieldTag & input,
         const PHX::FieldTag & output,
         const panzer::BasisDescriptor & bd,
         const panzer::IntegrationDescriptor & id);
 
  void postRegistrationSetup(typename TRAITS::SetupData d,
                             PHX::FieldManager<TRAITS>& fm);
 
  void evaluateFields(typename TRAITS::EvalData d);
 
private:
 
  typedef panzer::Traits::Jacobian::ScalarT ScalarT;
 
  bool use_descriptors_;
  panzer::BasisDescriptor bd_;
  panzer::IntegrationDescriptor id_;
 
  PHX::MDField<const ScalarT,Cell,Point> dof_value;
  PHX::MDField<ScalarT,Cell,IP> dof_div;
 
  std::string basis_name;
  std::size_t basis_index;
 
  bool accelerate_jacobian;
  std::vector<int> offsets;
};
 
}
 
#endif