Panzer_BasisIRLayout.hpp

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//           Panzer: A partial differential equation assembly
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#ifndef PANZER_BASIS_HPP
#define PANZER_BASIS_HPP

#include <string>
#include "Teuchos_RCP.hpp"
#include "Phalanx_DataLayout.hpp"
#include "Kokkos_DynRankView.hpp"
#include "Intrepid2_Basis.hpp"

#include "Panzer_Dimension.hpp"
#include "Panzer_PureBasis.hpp"
#include "Panzer_CellTopologyInfo.hpp"

namespace panzer {

  class PointRule;
  class CellTopologyInfo;
  class BasisIRLayout;

  Teuchos::RCP<panzer::BasisIRLayout> 
  basisIRLayout(std::string basis_type, const int basis_order, const PointRule& pt_rule);

  Teuchos::RCP<panzer::BasisIRLayout>
  basisIRLayout(const Teuchos::RCP<const PureBasis> & b, const PointRule& pt_rule);

  class BasisIRLayout { 

  public:
    
    BasisIRLayout(std::string basis_type, const int basis_order, const PointRule& int_rule);
    BasisIRLayout(const Teuchos::RCP<const PureBasis> & b, const PointRule& int_rule);

    void setup(const panzer::PointRule & int_rule);

    int cardinality() const;
    
    int numCells() const;
    
    int numPoints() const;
    
    int dimension() const;

    std::string name() const;

    std::string fieldName() const;
    
    std::string fieldNameD1() const;
    
    std::string fieldNameD2() const;

    Teuchos::RCP< Intrepid2::Basis<PHX::Device::execution_space,double,double> > 
    getIntrepid2Basis() const;

    Teuchos::RCP<const PureBasis> getBasis() const;

    void print(std::ostream & os) const;

    Teuchos::RCP<const CellTopologyInfo> getCellTopologyInfo() const
    { return cell_topo_info; }
    

  public:
    
    Teuchos::RCP<PHX::DataLayout> basis_ref;
    Teuchos::RCP<PHX::DataLayout> basis;
    Teuchos::RCP<PHX::DataLayout> basis_grad_ref;
    Teuchos::RCP<PHX::DataLayout> basis_grad;
    Teuchos::RCP<PHX::DataLayout> basis_D2_ref;
    Teuchos::RCP<PHX::DataLayout> basis_D2;

    Teuchos::RCP<PHX::DataLayout> functional;
    Teuchos::RCP<PHX::DataLayout> functional_grad;
    Teuchos::RCP<PHX::DataLayout> functional_D2;

  private:
    std::string basis_name_;
    int num_cells_;
    int num_points_;
    int dimension_;
    
    Teuchos::RCP<const PureBasis> basis_data_;
    
    Teuchos::RCP<const CellTopologyInfo> cell_topo_info;
  };

  typedef std::pair<std::string,Teuchos::RCP<panzer::BasisIRLayout> > StrBasisPair;

  struct StrBasisComp {
    bool operator() (const StrBasisPair & lhs, const StrBasisPair & rhs) const
    {return lhs.first<rhs.first;}
  };

}

#endif