Panzer_BasisInformation.hpp

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

#include <string>
#include "Teuchos_RCP.hpp"

#include "Shards_CellTopology.hpp"

namespace panzer {

  class BasisInformation { 

  public:
    typedef enum { HGRAD=0, HCURL=1, HDIV=2, CONST=3 } EElementSpace;
    
    BasisInformation(const std::string & basis_type,const int basis_order,
              const shards::CellTopology & cell_topo);

    std::string type() const
    { return basis_type_; }
    
    int order() const
    { return basis_order_; }

    const shards::CellTopology & getCellTopology() const
    { return topology_; }

    int dimension() const
    { return topology_.getDimension(); }
    
    EElementSpace getElementSpace() const
    { return element_space_; }

    bool requiresOrientations() const
    { return getElementSpace()==HCURL || getElementSpace()==HDIV || (getElementSpace()==HGRAD && basis_order_ > 2) ; }

    bool supportsGrad() const
    { return getElementSpace()==HGRAD; }

    bool supportsCurl() const
    { return getElementSpace()==HCURL; }

    bool supportsDiv() const
    { return getElementSpace()==HDIV; }

    bool isVectorBasis() const
    { return getElementSpace()==HCURL || getElementSpace()==HDIV; }

    bool isScalarBasis() const
    { return getElementSpace()==HGRAD || getElementSpace()==CONST; }

  private:

    shards::CellTopology topology_;

    std::string basis_type_;
    int basis_order_;

    EElementSpace element_space_;
  };

}

#endif