Intrepid2_DerivedBasis_HCURL_HEX.hpp

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#ifndef Intrepid2_DerivedBasis_HCURL_HEX_h
#define Intrepid2_DerivedBasis_HCURL_HEX_h

#include <Kokkos_DynRankView.hpp>

#include "Intrepid2_Polynomials.hpp"
#include "Intrepid2_Sacado.hpp"

#include "Intrepid2_DirectSumBasis.hpp"
#include "Intrepid2_TensorBasis.hpp"

namespace Intrepid2
{
  template<class HGRAD_LINE, class HVOL_LINE>
  class Basis_Derived_HCURL_Family1_HEX
  : public Basis_TensorBasis3<typename HGRAD_LINE::BasisBase>
  {
  public:
    using OutputViewType = typename HGRAD_LINE::OutputViewType;
    using PointViewType  = typename HGRAD_LINE::PointViewType ;
    using ScalarViewType = typename HGRAD_LINE::ScalarViewType;

    using LineGradBasis = HGRAD_LINE;
    using LineVolBasis  = HVOL_LINE;
    
    using TensorBasis3 = Basis_TensorBasis3<typename HGRAD_LINE::BasisBase>;
  public:
    Basis_Derived_HCURL_Family1_HEX(int polyOrder_x, int polyOrder_y, int polyOrder_z, const EPointType pointType = POINTTYPE_DEFAULT)
    :
    TensorBasis3(Teuchos::rcp(new LineVolBasis (polyOrder_x-1,pointType)),
                 Teuchos::rcp(new LineGradBasis(polyOrder_y,pointType)),
                 Teuchos::rcp(new LineGradBasis(polyOrder_z,pointType)),
                 true) // true: use shards CellTopology and tags
    {
      this->functionSpace_ = FUNCTION_SPACE_HCURL;
    }
    
    virtual OperatorTensorDecomposition getSimpleOperatorDecomposition(const EOperator &operatorType) const override
    {
      const EOperator VALUE = Intrepid2::OPERATOR_VALUE;
      const EOperator GRAD  = Intrepid2::OPERATOR_GRAD;
      
      if (operatorType == Intrepid2::OPERATOR_VALUE)
      {
        // family 1 goes in x component
        std::vector< std::vector<EOperator> > ops(3);
        ops[0] = std::vector<EOperator>{VALUE,VALUE,VALUE};
        ops[1] = std::vector<EOperator>{};
        ops[2] = std::vector<EOperator>{};
        std::vector<double> weights {1.0, 0.0, 0.0};
        return OperatorTensorDecomposition(ops, weights);
      }
      else if (operatorType == Intrepid2::OPERATOR_CURL)
      {
        // Family 1:
        // x component is zero
        // y component is  d/dz: (VALUE,VALUE,GRAD), weight =  1.0
        // z component is -d/dy: (VALUE,GRAD,VALUE), weight = -1.0
        
        std::vector< std::vector<EOperator> > ops(3);
        ops[0] = std::vector<EOperator>{};
        ops[1] = std::vector<EOperator>{VALUE,VALUE,GRAD};
        ops[2] = std::vector<EOperator>{VALUE,GRAD,VALUE};
        
        std::vector<double> weights {0.0, 1.0, -1.0};
        return OperatorTensorDecomposition(ops,weights);
      }
      else
      {
        INTREPID2_TEST_FOR_EXCEPTION(true, std::invalid_argument, "Unsupported operator type");
      }
    }
    
    using TensorBasis3::getValues;
    
    virtual void getValues(OutputViewType outputValues, const EOperator operatorType,
                           const PointViewType  inputPoints1, const PointViewType inputPoints2, const PointViewType inputPoints3,
                           bool tensorPoints) const override
    {
      Intrepid2::EOperator op1, op2, op3;
      if (operatorType == Intrepid2::OPERATOR_VALUE)
      {
        op1 = Intrepid2::OPERATOR_VALUE;
        op2 = Intrepid2::OPERATOR_VALUE;
        op3 = Intrepid2::OPERATOR_VALUE;
        
        // family 1 goes in the x component; 0 in the y and z components
        auto outputValuesComponent1 = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),0);
        auto outputValuesComponent23 = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),std::make_pair(1,3));
        
        this->TensorBasis3::getValues(outputValuesComponent1,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints);
        // place 0 in the y and z components
        Kokkos::deep_copy(outputValuesComponent23,0.0);
      }
      else if (operatorType == Intrepid2::OPERATOR_CURL)
      {
        // family 1 is nonzero in the x component, so the curl is d/dz placed in the y component, and -d/dy placed in the z component.
        auto outputValuesComponent_x = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),0);
        auto outputValuesComponent_y = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),1);
        auto outputValuesComponent_z = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),2);
        
        // x component is zero
        Kokkos::deep_copy(outputValuesComponent_x, 0.0);
        
        // y component is d/dz
        op1 = Intrepid2::OPERATOR_VALUE;
        op2 = Intrepid2::OPERATOR_VALUE;
        op3 = Intrepid2::OPERATOR_GRAD; // d/dz
        
        double weight = 1.0; // the plus sign in front of d/dz
        this->TensorBasis3::getValues(outputValuesComponent_y,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints, weight);
        
        // z component is -d/dy
        op1 = Intrepid2::OPERATOR_VALUE;
        op2 = Intrepid2::OPERATOR_GRAD; // d/dy
        op3 = Intrepid2::OPERATOR_VALUE;
        weight = -1.0; // the -1 weight on d/dy
        this->TensorBasis3::getValues(outputValuesComponent_z,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints, weight);
      }
      else
      {
        INTREPID2_TEST_FOR_EXCEPTION(true,std::invalid_argument,"operator not yet supported");
      }
    }

    virtual void getDofCoeffs( ScalarViewType dofCoeffs ) const override {
      auto dofCoeffs1 = Kokkos::subview(dofCoeffs,Kokkos::ALL(),0);
      auto dofCoeffs23 = Kokkos::subview(dofCoeffs,Kokkos::ALL(),std::make_pair(1,3));
      this->TensorBasis3::getDofCoeffs(dofCoeffs1);
      Kokkos::deep_copy(dofCoeffs23,0.0);
    }
  };

  template<class HGRAD_LINE, class HVOL_LINE>
  class Basis_Derived_HCURL_Family2_HEX
  : public Basis_TensorBasis3<typename HGRAD_LINE::BasisBase>
  {
  public:
    using OutputViewType = typename HGRAD_LINE::OutputViewType;
    using PointViewType  = typename HGRAD_LINE::PointViewType ;
    using ScalarViewType = typename HGRAD_LINE::ScalarViewType;
    
    using LineGradBasis = HGRAD_LINE;
    using LineVolBasis  = HVOL_LINE;
    
    using TensorBasis3 = Basis_TensorBasis3<typename HGRAD_LINE::BasisBase>;
  public:
    Basis_Derived_HCURL_Family2_HEX(int polyOrder_x, int polyOrder_y, int polyOrder_z, const EPointType pointType = POINTTYPE_DEFAULT)
    :
    TensorBasis3(Teuchos::rcp( new LineGradBasis(polyOrder_x,pointType)),
                 Teuchos::rcp( new LineVolBasis (polyOrder_y-1,pointType)),
                 Teuchos::rcp( new LineGradBasis(polyOrder_z,pointType)),
                 true) // true: use shards CellTopology and tags
    {
      this->functionSpace_ = FUNCTION_SPACE_HCURL;
    }
    
    virtual OperatorTensorDecomposition getSimpleOperatorDecomposition(const EOperator &operatorType) const override
    {
      const EOperator VALUE = Intrepid2::OPERATOR_VALUE;
      const EOperator GRAD  = Intrepid2::OPERATOR_GRAD;
      const EOperator CURL  = Intrepid2::OPERATOR_CURL;
      if (operatorType == VALUE)
      {
        // family 2 goes in y component
        std::vector< std::vector<EOperator> > ops(3);
        ops[0] = std::vector<EOperator>{};
        ops[1] = std::vector<EOperator>{VALUE,VALUE,VALUE};
        ops[2] = std::vector<EOperator>{};
        std::vector<double> weights {0.0, 1.0, 0.0};
        return OperatorTensorDecomposition(ops, weights);
      }
      else if (operatorType == CURL)
      {
        // family 2 is nonzero in the y component, so the curl is -d/dz placed in the x component, and d/dx placed in the z component.
        // x component is -d/dz: (VALUE,VALUE,GRAD), weight = -1.0
        // y component is zero
        // z component is  d/dx: (GRAD,VALUE,VALUE), weight =  1.0
        std::vector< std::vector<EOperator> > ops(3);
        ops[0] = std::vector<EOperator>{VALUE,VALUE,GRAD};
        ops[1] = std::vector<EOperator>{};
        ops[2] = std::vector<EOperator>{GRAD,VALUE,VALUE};
        
        std::vector<double> weights {-1.0, 0.0, 1.0};
        return OperatorTensorDecomposition(ops,weights);
      }
      else
      {
        INTREPID2_TEST_FOR_EXCEPTION(true, std::invalid_argument, "Unsupported operator type");
      }
    }
    
    using TensorBasis3::getValues;
    
    virtual void getValues(OutputViewType outputValues, const EOperator operatorType,
                           const PointViewType  inputPoints1, const PointViewType inputPoints2, const PointViewType inputPoints3,
                           bool tensorPoints) const override
    {
      Intrepid2::EOperator op1, op2, op3;
      if (operatorType == Intrepid2::OPERATOR_VALUE)
      {
        op1 = Intrepid2::OPERATOR_VALUE;
        op2 = Intrepid2::OPERATOR_VALUE;
        op3 = Intrepid2::OPERATOR_VALUE;
        
        // family 2 goes in the y component; 0 in the x and z components
        auto outputValuesComponent_x = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),0);
        auto outputValuesComponent_y = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),1);
        auto outputValuesComponent_z = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),2);
        
        // place 0 in the x component
        Kokkos::deep_copy(outputValuesComponent_x,0.0);
        // evaluate y component
        this->TensorBasis3::getValues(outputValuesComponent_y,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints);
        // place 0 in the z component
        Kokkos::deep_copy(outputValuesComponent_z,0.0);
      }
      else if (operatorType == Intrepid2::OPERATOR_CURL)
      {
        // family 2 is nonzero in the y component, so the curl is -d/dz placed in the x component, and d/dx placed in the z component.
        auto outputValuesComponent_x = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),0);
        auto outputValuesComponent_y = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),1);
        auto outputValuesComponent_z = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),2);
        
        // x component is -d/dz
        op1 = Intrepid2::OPERATOR_VALUE;
        op2 = Intrepid2::OPERATOR_VALUE;
        op3 = Intrepid2::OPERATOR_GRAD; // d/dz
        
        double weight = -1.0; // the minus sign in front of d/dz
        this->TensorBasis3::getValues(outputValuesComponent_x,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints, weight);
        
        // y component is zero
        Kokkos::deep_copy(outputValuesComponent_y, 0.0);
        
        // z component is d/dx
        op1 = Intrepid2::OPERATOR_GRAD;  // d/dx
        op2 = Intrepid2::OPERATOR_VALUE;
        op3 = Intrepid2::OPERATOR_VALUE;
        weight = 1.0; // the weight on d/dx
        this->TensorBasis3::getValues(outputValuesComponent_z,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints, weight);
      }
      else
      {
        INTREPID2_TEST_FOR_EXCEPTION(true,std::invalid_argument,"operator not yet supported");
      }
    }

    virtual void getDofCoeffs( ScalarViewType dofCoeffs ) const override {
      auto dofCoeffs1 = Kokkos::subview(dofCoeffs,Kokkos::ALL(),0);
      auto dofCoeffs2 = Kokkos::subview(dofCoeffs,Kokkos::ALL(),1);
      auto dofCoeffs3 = Kokkos::subview(dofCoeffs,Kokkos::ALL(),2);
      Kokkos::deep_copy(dofCoeffs1,0.0);
      this->TensorBasis3::getDofCoeffs(dofCoeffs2);
      Kokkos::deep_copy(dofCoeffs3,0.0);
    }


  };
  
  template<class HGRAD_LINE, class HVOL_LINE>
  class Basis_Derived_HCURL_Family3_HEX
  : public Basis_TensorBasis3<typename HGRAD_LINE::BasisBase>
  {
    using OutputViewType = typename HGRAD_LINE::OutputViewType;
    using PointViewType  = typename HGRAD_LINE::PointViewType ;
    using ScalarViewType = typename HGRAD_LINE::ScalarViewType;
    
    using LineGradBasis = HGRAD_LINE;
    using LineVolBasis  = HVOL_LINE;
    
    using TensorBasis3 = Basis_TensorBasis3<typename HGRAD_LINE::BasisBase>;
  public:
    Basis_Derived_HCURL_Family3_HEX(int polyOrder_x, int polyOrder_y, int polyOrder_z, const EPointType pointType = POINTTYPE_DEFAULT)
    :
    TensorBasis3(Teuchos::rcp(new LineGradBasis(polyOrder_x,pointType)),
                 Teuchos::rcp(new LineGradBasis(polyOrder_y,pointType)),
                 Teuchos::rcp(new LineVolBasis (polyOrder_z-1,pointType)),
                 true) // true: use shards CellTopology and tags
    {
      this->functionSpace_ = FUNCTION_SPACE_HCURL;
    }
    
    virtual OperatorTensorDecomposition getSimpleOperatorDecomposition(const EOperator &operatorType) const override
    {
      const EOperator VALUE = Intrepid2::OPERATOR_VALUE;
      const EOperator GRAD  = Intrepid2::OPERATOR_GRAD;
      if (operatorType == Intrepid2::OPERATOR_VALUE)
      {
        // family 3 goes in z component
        std::vector< std::vector<EOperator> > ops(3);
        ops[0] = std::vector<EOperator>{};
        ops[1] = std::vector<EOperator>{};
        ops[2] = std::vector<EOperator>{VALUE,VALUE,VALUE};
        std::vector<double> weights {0.0, 0.0, 1.0};
        return OperatorTensorDecomposition(ops, weights);
      }
      else if (operatorType == Intrepid2::OPERATOR_CURL)
      {
        // family 3 is nonzero in the z component, so the curl is d/dy placed in the x component, and -d/dx placed in the y component.
        // x component is  d/dy: (VALUE,GRAD,VALUE), weight =  1.0
        // y component is  d/dx: (GRAD,VALUE,VALUE), weight = -1.0
        // z component is zero
        std::vector< std::vector<EOperator> > ops(3);
        ops[0] = std::vector<EOperator>{VALUE,GRAD,VALUE};
        ops[1] = std::vector<EOperator>{GRAD,VALUE,VALUE};
        ops[2] = std::vector<EOperator>{};
        
        std::vector<double> weights {1.0, -1.0, 0.0};
        return OperatorTensorDecomposition(ops,weights);
      }
      else
      {
        INTREPID2_TEST_FOR_EXCEPTION(true, std::invalid_argument, "Unsupported operator type");
      }
    }
    
    using TensorBasis3::getValues;
    
    virtual void getValues(OutputViewType outputValues, const EOperator operatorType,
                           const PointViewType  inputPoints1, const PointViewType inputPoints2, const PointViewType inputPoints3,
                           bool tensorPoints) const override
    {
      Intrepid2::EOperator op1, op2, op3;
      if (operatorType == Intrepid2::OPERATOR_VALUE)
      {
        op1 = Intrepid2::OPERATOR_VALUE;
        op2 = Intrepid2::OPERATOR_VALUE;
        op3 = Intrepid2::OPERATOR_VALUE;
        
        // family 3 goes in the z component; 0 in the x and y components
        auto outputValuesComponent_xy = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),std::make_pair(0,2));
        auto outputValuesComponent_z  = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),2);
        
        // place 0 in the x and y components
        Kokkos::deep_copy(outputValuesComponent_xy,0.0);
        // evaluate z component
        this->TensorBasis3::getValues(outputValuesComponent_z,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints);
      }
      else if (operatorType == Intrepid2::OPERATOR_CURL)
      {
        // family 3 is nonzero in the z component, so the curl is d/dy placed in the x component, and -d/dx placed in the y component.
        auto outputValuesComponent_x = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),0);
        auto outputValuesComponent_y = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),1);
        auto outputValuesComponent_z = Kokkos::subview(outputValues,Kokkos::ALL(),Kokkos::ALL(),2);
        
        // x component is d/dy
        op1 = Intrepid2::OPERATOR_VALUE;
        op2 = Intrepid2::OPERATOR_GRAD; // d/dy
        op3 = Intrepid2::OPERATOR_VALUE;
        
        double weight = 1.0; // the sign in front of d/dy
        this->TensorBasis3::getValues(outputValuesComponent_x,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints, weight);
        // y component is -d/dx
        op1 = Intrepid2::OPERATOR_GRAD; // d/dx
        op2 = Intrepid2::OPERATOR_VALUE;
        op3 = Intrepid2::OPERATOR_VALUE;
        weight = -1.0; // the weight on d/dx
        this->TensorBasis3::getValues(outputValuesComponent_y,
                                      inputPoints1, op1,
                                      inputPoints2, op2,
                                      inputPoints3, op3, tensorPoints, weight);
        
        // z component is zero
        Kokkos::deep_copy(outputValuesComponent_z, 0.0);
      }
      else
      {
        INTREPID2_TEST_FOR_EXCEPTION(true,std::invalid_argument,"operator not yet supported");
      }
    }

    virtual void getDofCoeffs( ScalarViewType dofCoeffs ) const override {
      auto dofCoeffs12 = Kokkos::subview(dofCoeffs,Kokkos::ALL(),std::make_pair(0,2));
      auto dofCoeffs3 = Kokkos::subview(dofCoeffs,Kokkos::ALL(),2);
      Kokkos::deep_copy(dofCoeffs12,0.0);
      this->TensorBasis3::getDofCoeffs(dofCoeffs3);
    }
  };
  
  template<class HGRAD_LINE, class HVOL_LINE>
  class Basis_Derived_HCURL_Family1_Family2_HEX
  : public Basis_DirectSumBasis <typename HGRAD_LINE::BasisBase>
  {
    using Family1 = Basis_Derived_HCURL_Family1_HEX<HGRAD_LINE, HVOL_LINE>;
    using Family2 = Basis_Derived_HCURL_Family2_HEX<HGRAD_LINE, HVOL_LINE>;
    using DirectSumBasis = Basis_DirectSumBasis  <typename HGRAD_LINE::BasisBase>;
  public:
    Basis_Derived_HCURL_Family1_Family2_HEX(int polyOrder_x, int polyOrder_y, int polyOrder_z, const EPointType pointType)
    :
    DirectSumBasis(Teuchos::rcp(new Family1(polyOrder_x, polyOrder_y, polyOrder_z, pointType)),
                   Teuchos::rcp(new Family2(polyOrder_x, polyOrder_y, polyOrder_z, pointType))) {}
  };
  
  template<class HGRAD_LINE, class HVOL_LINE>
  class Basis_Derived_HCURL_HEX
  : public Basis_DirectSumBasis <typename HGRAD_LINE::BasisBase>
  {
    using Family12 = Basis_Derived_HCURL_Family1_Family2_HEX<HGRAD_LINE, HVOL_LINE>;
    using Family3  = Basis_Derived_HCURL_Family3_HEX        <HGRAD_LINE, HVOL_LINE>;
    using DirectSumBasis = Basis_DirectSumBasis <typename HGRAD_LINE::BasisBase>;

    std::string name_;
    ordinal_type order_x_;
    ordinal_type order_y_;
    ordinal_type order_z_;
    EPointType pointType_;

  public:

    using ExecutionSpace  = typename HGRAD_LINE::ExecutionSpace;
    using OutputValueType = typename HGRAD_LINE::OutputValueType;
    using PointValueType  = typename HGRAD_LINE::PointValueType;
    
    using BasisBase = typename HGRAD_LINE::BasisBase;

    Basis_Derived_HCURL_HEX(int polyOrder_x, int polyOrder_y, int polyOrder_z, const EPointType pointType=POINTTYPE_DEFAULT)
    :
    DirectSumBasis(Teuchos::rcp(new Family12(polyOrder_x, polyOrder_y, polyOrder_z, pointType)),
                   Teuchos::rcp(new Family3 (polyOrder_x, polyOrder_y, polyOrder_z, pointType))) {
      this->functionSpace_ = FUNCTION_SPACE_HCURL;

      std::ostringstream basisName;
      basisName << "HCURL_HEX (" << this->DirectSumBasis::getName() << ")";
      name_ = basisName.str();

      order_x_ = polyOrder_x;
      order_y_ = polyOrder_y;
      order_z_ = polyOrder_z;
      pointType_ = pointType;
    }
    
    Basis_Derived_HCURL_HEX(int polyOrder, const EPointType pointType=POINTTYPE_DEFAULT) : Basis_Derived_HCURL_HEX(polyOrder, polyOrder, polyOrder, pointType) {}

    virtual bool requireOrientation() const override {
      return true;
    }

    virtual
    const char*
    getName() const override {
      return name_.c_str();
    }

    Teuchos::RCP<BasisBase>
      getSubCellRefBasis(const ordinal_type subCellDim, const ordinal_type subCellOrd) const override{

      using LineBasis = HVOL_LINE;
      using QuadBasis = Basis_Derived_HCURL_QUAD<HGRAD_LINE,HVOL_LINE>;

      if(subCellDim == 1) {
        switch(subCellOrd) {
        case 0:
        case 2:
        case 4:
        case 6:
          return Teuchos::rcp( new LineBasis(order_x_-1, pointType_) );
        case 1:
        case 3:
        case 5:
        case 7:
          return Teuchos::rcp( new LineBasis(order_y_-1, pointType_) );
        case 8:
        case 9:
        case 10:
        case 11:
          return Teuchos::rcp( new LineBasis(order_z_-1, pointType_) );
        }
      } else if(subCellDim == 2) {
        switch(subCellOrd) {
        case 0:
          return Teuchos::rcp( new QuadBasis(order_x_, order_z_, pointType_) );
        case 1:
          return Teuchos::rcp( new QuadBasis(order_y_,order_z_, pointType_) );
        case 2:
          return Teuchos::rcp( new QuadBasis(order_x_, order_z_, pointType_) );
        case 3:
          return Teuchos::rcp( new QuadBasis(order_z_, order_y_, pointType_) );
        case 4:
          return Teuchos::rcp( new QuadBasis(order_y_, order_x_, pointType_) );
        case 5:
          return Teuchos::rcp( new QuadBasis(order_x_, order_y_, pointType_) );
        }
      }

      INTREPID2_TEST_FOR_EXCEPTION(true,std::invalid_argument,"Input parameters out of bounds");
    }
    virtual HostBasisPtr<OutputValueType, PointValueType>
    getHostBasis() const override {
      using HostBasis  = Basis_Derived_HCURL_HEX<typename HGRAD_LINE::HostBasis, typename HVOL_LINE::HostBasis>;
      
      auto hostBasis = Teuchos::rcp(new HostBasis(order_x_, order_y_, order_z_, pointType_));
      
      return hostBasis;
    }
  };
} // end namespace Intrepid2

#endif /* Intrepid2_DerivedBasis_HCURL_HEX_h */