Intrepid2_DerivedBasis_HVOL_HEX.hpp

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// @HEADER
// *****************************************************************************
//                           Intrepid2 Package
//
// Copyright 2007 NTESS and the Intrepid2 contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef Intrepid2_DerivedBasis_HVOL_HEX_h
#define Intrepid2_DerivedBasis_HVOL_HEX_h

#include "Intrepid2_TensorBasis.hpp"
#include "Intrepid2_DerivedBasis_HVOL_QUAD.hpp"

namespace Intrepid2
{
  template<class HVOL_LINE>
  class Basis_Derived_HVOL_HEX
  :
  public Basis_TensorBasis<typename HVOL_LINE::BasisBase>
  // TODO: make this a subclass of TensorBasis3 instead, following what we've done for H(curl) and H(div)
  {
    std::string name_;
    ordinal_type polyOrder_x_, polyOrder_y_, polyOrder_z_;
    EPointType pointType_;
  public:
    using ExecutionSpace  = typename HVOL_LINE::ExecutionSpace;
    using OutputValueType = typename HVOL_LINE::OutputValueType;
    using PointValueType  = typename HVOL_LINE::PointValueType;

    using OutputViewType = typename HVOL_LINE::OutputViewType;
    using PointViewType  = typename HVOL_LINE::PointViewType ;
    using ScalarViewType = typename HVOL_LINE::ScalarViewType;
    
    using BasisBase = typename HVOL_LINE::BasisBase;
    
    using LineBasis = HVOL_LINE;
    using QuadBasis = Intrepid2::Basis_Derived_HVOL_QUAD<HVOL_LINE>;
    using TensorBasis = Basis_TensorBasis<BasisBase>;

    Basis_Derived_HVOL_HEX(int polyOrder_x, int polyOrder_y, int polyOrder_z, const EPointType pointType=POINTTYPE_DEFAULT)
    :
    TensorBasis(Teuchos::rcp(new QuadBasis(polyOrder_x,polyOrder_y,pointType)),
                Teuchos::rcp(new LineBasis(polyOrder_z,pointType))),
    polyOrder_x_(polyOrder_x),
    polyOrder_y_(polyOrder_y),
    polyOrder_z_(polyOrder_z),
    pointType_(pointType)
    {
      this->functionSpace_ = FUNCTION_SPACE_HVOL;

      std::ostringstream basisName;
      basisName << "HVOL_HEX (" << this->TensorBasis::getName() << ")";
      name_ = basisName.str();
      
      this->setShardsTopologyAndTags();
    }
    
    Basis_Derived_HVOL_HEX(int polyOrder, const EPointType pointType=POINTTYPE_DEFAULT) : Basis_Derived_HVOL_HEX(polyOrder, polyOrder, polyOrder,pointType) {}
    
    virtual
    const char*
    getName() const override {
      return name_.c_str();
    }

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

    virtual OperatorTensorDecomposition getSimpleOperatorDecomposition(const EOperator &operatorType) const override
    {
      const EOperator VALUE = Intrepid2::OPERATOR_VALUE;
      
      if (operatorType == VALUE)
      {
        return OperatorTensorDecomposition(VALUE, VALUE);
      }
      else
      {
        INTREPID2_TEST_FOR_EXCEPTION(true,std::invalid_argument,"operator not yet supported");
      }
    }
    
    using TensorBasis::getValues;
    
    virtual BasisPtr<typename Kokkos::HostSpace::device_type, typename BasisBase::OutputValueType, typename BasisBase::PointValueType>
    getHostBasis() const override {
      using HostBasisType  = Basis_Derived_HVOL_HEX<typename HVOL_LINE::HostBasis>;
      return Teuchos::rcp( new HostBasisType(polyOrder_x_, polyOrder_y_, polyOrder_z_, pointType_) );
    }
  };
} // end namespace Intrepid2

#endif /* Intrepid2_DerivedBasis_HVOL_HEX_h */