Intrepid2_HCURL_QUAD_In_FEM.hpp

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#ifndef __INTREPID2_HCURL_QUAD_IN_FEM_HPP__
#define __INTREPID2_HCURL_QUAD_IN_FEM_HPP__

#include "Intrepid2_Basis.hpp" 
#include "Intrepid2_HGRAD_LINE_Cn_FEM.hpp"
#include "Intrepid2_HVOL_LINE_Cn_FEM.hpp"

namespace Intrepid2 {

  namespace Impl {
    
    class Basis_HCURL_QUAD_In_FEM {
    public:
      typedef struct Quadrilateral<4> cell_topology_type;

      template<EOperator opType>
      struct Serial {
        template<typename outputValueViewType,
                 typename inputPointViewType,
                 typename workViewType,
                 typename vinvViewType>
        KOKKOS_INLINE_FUNCTION
        static void
        getValues(       outputValueViewType outputValues,
                   const inputPointViewType  inputPoints,
                         workViewType        work,
                   const vinvViewType        vinvLine,
                   const vinvViewType        vinvBubble );
                   
        KOKKOS_INLINE_FUNCTION
        static ordinal_type
        getWorkSizePerPoint(ordinal_type order) {
          return 2*getPnCardinality<1>(order)+getPnCardinality<1>(order-1); 
        }
      };
      
      template<typename DeviceType, ordinal_type numPtsPerEval,
               typename outputValueValueType, class ...outputValueProperties,
               typename inputPointValueType,  class ...inputPointProperties,
               typename vinvValueType,        class ...vinvProperties>
      static void
      getValues(        Kokkos::DynRankView<outputValueValueType,outputValueProperties...> outputValues,
                  const Kokkos::DynRankView<inputPointValueType, inputPointProperties...>  inputPoints,
                  const Kokkos::DynRankView<vinvValueType,       vinvProperties...>        vinvLine,
                  const Kokkos::DynRankView<vinvValueType,       vinvProperties...>        vinvBubble,
                  const EOperator operatorType);
      
      template<typename outputValueViewType,
               typename inputPointViewType,
               typename vinvViewType,
               typename workViewType,
               EOperator opType,
               ordinal_type numPtsEval>
      struct Functor {
              outputValueViewType _outputValues;
        const inputPointViewType  _inputPoints;
        const vinvViewType        _vinvLine;
        const vinvViewType        _vinvBubble;
              workViewType        _work;
        
        KOKKOS_INLINE_FUNCTION
        Functor( outputValueViewType outputValues_,
                 inputPointViewType  inputPoints_,
                 vinvViewType        vinvLine_,
                 vinvViewType        vinvBubble_,
                 workViewType        work_)
          : _outputValues(outputValues_), _inputPoints(inputPoints_), 
            _vinvLine(vinvLine_), _vinvBubble(vinvBubble_), _work(work_) {} 
        
        KOKKOS_INLINE_FUNCTION
        void operator()(const size_type iter) const {
          const auto ptBegin = Util<ordinal_type>::min(iter*numPtsEval,    _inputPoints.extent(0));
          const auto ptEnd   = Util<ordinal_type>::min(ptBegin+numPtsEval, _inputPoints.extent(0));
          
          const auto ptRange = Kokkos::pair<ordinal_type,ordinal_type>(ptBegin, ptEnd);
          const auto input   = Kokkos::subview( _inputPoints, ptRange, Kokkos::ALL() );

          typename workViewType::pointer_type ptr = _work.data() + _work.extent(0)*ptBegin*get_dimension_scalar(_work);

          auto vcprop = Kokkos::common_view_alloc_prop(_work);
          workViewType  work(Kokkos::view_wrap(ptr,vcprop), (ptEnd-ptBegin)*_work.extent(0));

          switch (opType) {
          case OPERATOR_VALUE : {
            auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange, Kokkos::ALL() );
            Serial<opType>::getValues( output, input, work, _vinvLine, _vinvBubble );
            break;
          }
          case OPERATOR_CURL : {
            auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange );
            Serial<opType>::getValues( output, input, work, _vinvLine, _vinvBubble );
            break;
          }
          default: {
            INTREPID2_TEST_FOR_ABORT( true,
                                      ">>> ERROR: (Intrepid2::Basis_HCURL_QUAD_In_FEM::Functor) operator is not supported");
            
          }
          }
        }
      };
    };
  }
  
  template<typename DeviceType = void,
           typename outputValueType = double,
           typename pointValueType = double>
  class Basis_HCURL_QUAD_In_FEM
    : public Basis<DeviceType,outputValueType,pointValueType> {
  public:
    using OrdinalTypeArray1DHost = typename Basis<DeviceType,outputValueType,pointValueType>::OrdinalTypeArray1DHost;
    using OrdinalTypeArray2DHost = typename Basis<DeviceType,outputValueType,pointValueType>::OrdinalTypeArray2DHost;
    using OrdinalTypeArray3DHost = typename Basis<DeviceType,outputValueType,pointValueType>::OrdinalTypeArray3DHost;

    Basis_HCURL_QUAD_In_FEM(const ordinal_type order,
                            const EPointType   pointType = POINTTYPE_EQUISPACED);

    using OutputViewType = typename Basis<DeviceType,outputValueType,pointValueType>::OutputViewType;
    using PointViewType  = typename Basis<DeviceType,outputValueType,pointValueType>::PointViewType;
    using ScalarViewType = typename Basis<DeviceType,outputValueType,pointValueType>::ScalarViewType;

    using Basis<DeviceType,outputValueType,pointValueType>::getValues;

    virtual
    void
    getValues(       OutputViewType outputValues,
               const PointViewType  inputPoints,
               const EOperator operatorType = OPERATOR_VALUE ) const override {
#ifdef HAVE_INTREPID2_DEBUG
      Intrepid2::getValues_HCURL_Args(outputValues,
                                      inputPoints,
                                      operatorType,
                                      this->getBaseCellTopology(),
                                      this->getCardinality() );
#endif
      constexpr ordinal_type numPtsPerEval = Parameters::MaxNumPtsPerBasisEval;
      Impl::Basis_HCURL_QUAD_In_FEM::
        getValues<DeviceType,numPtsPerEval>( outputValues,
                                                inputPoints,
                                                this->vinvLine_,
                                                this->vinvBubble_,
                                                operatorType );
    }

    virtual
    void
    getDofCoords( ScalarViewType dofCoords ) const override {
#ifdef HAVE_INTREPID2_DEBUG
      // Verify rank of output array.
      INTREPID2_TEST_FOR_EXCEPTION( dofCoords.rank() != 2, std::invalid_argument,
                                    ">>> ERROR: (Intrepid2::Basis_HCURL_QUAD_In_FEM::getDofCoords) rank = 2 required for dofCoords array");
      // Verify 0th dimension of output array.
      INTREPID2_TEST_FOR_EXCEPTION( static_cast<ordinal_type>(dofCoords.extent(0)) != this->getCardinality(), std::invalid_argument,
                                    ">>> ERROR: (Intrepid2::Basis_HCURL_QUAD_In_FEM::getDofCoords) mismatch in number of dof and 0th dimension of dofCoords array");
      // Verify 1st dimension of output array.
      INTREPID2_TEST_FOR_EXCEPTION( dofCoords.extent(1) != this->getBaseCellTopology().getDimension(), std::invalid_argument,
                                    ">>> ERROR: (Intrepid2::Basis_HCURL_QUAD_In_FEM::getDofCoords) incorrect reference cell (1st) dimension in dofCoords array");
#endif
      Kokkos::deep_copy(dofCoords, this->dofCoords_);
    }
    
  virtual
  void
  getDofCoeffs( ScalarViewType dofCoeffs ) const override {
#ifdef HAVE_INTREPID2_DEBUG
    // Verify rank of output array.
    INTREPID2_TEST_FOR_EXCEPTION( dofCoeffs.rank() != 2, std::invalid_argument,
        ">>> ERROR: (Intrepid2::Basis_HCURL_QUAD_In_FEM::getDofCoeffs) rank = 2 required for dofCoeffs array");
    // Verify 0th dimension of output array.
    INTREPID2_TEST_FOR_EXCEPTION( static_cast<ordinal_type>(dofCoeffs.extent(0)) != this->getCardinality(), std::invalid_argument,
        ">>> ERROR: (Intrepid2::Basis_HCURL_QUAD_In_FEM::getDofCoeffs) mismatch in number of dof and 0th dimension of dofCoeffs array");
    // Verify 1st dimension of output array.
    INTREPID2_TEST_FOR_EXCEPTION( dofCoeffs.extent(1) != this->getBaseCellTopology().getDimension(), std::invalid_argument,
        ">>> ERROR: (Intrepid2::Basis_HCURL_QUAD_In_FEM::getDofCoeffs) incorrect reference cell (1st) dimension in dofCoeffs array");
#endif
    Kokkos::deep_copy(dofCoeffs, this->dofCoeffs_);
  }

    virtual
    const char*
    getName() const override {
      return "Intrepid2_HCURL_QUAD_In_FEM";
    }

    virtual
    bool
    requireOrientation() const override {
      return true;
    }
    
    BasisPtr<DeviceType,outputValueType,pointValueType>
    getSubCellRefBasis(const ordinal_type subCellDim, const ordinal_type subCellOrd) const override{
      if(subCellDim == 1)
        return Teuchos::rcp( new
            Basis_HVOL_LINE_Cn_FEM<DeviceType,outputValueType,pointValueType>
            ( this->basisDegree_ - 1, POINTTYPE_GAUSS ) );

      INTREPID2_TEST_FOR_EXCEPTION(true,std::invalid_argument,"Input parameters out of bounds");
    }

    BasisPtr<typename Kokkos::HostSpace::device_type,outputValueType,pointValueType>
    getHostBasis() const override{
      return Teuchos::rcp(new Basis_HCURL_QUAD_In_FEM<typename Kokkos::HostSpace::device_type,outputValueType,pointValueType>(this->basisDegree_, pointType_));
    }

  private:

    Kokkos::DynRankView<typename ScalarViewType::value_type,DeviceType> vinvLine_, vinvBubble_;
    EPointType pointType_;
  };
  
}// namespace Intrepid2


#include "Intrepid2_HCURL_QUAD_In_FEMDef.hpp"

#endif