Intrepid2_HDIV_QUAD_In_FEM.hpp

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#ifndef __INTREPID2_HDIV_QUAD_IN_FEM_HPP__
#define __INTREPID2_HDIV_QUAD_IN_FEM_HPP__

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

namespace Intrepid2 {

  namespace Impl {

    class Basis_HDIV_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 ExecSpaceType, 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_DIV : {
            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_HDIV_QUAD_In_FEM::Functor) operator is not supported");

          }
          }
        }
      };
    };
  }

  template<typename ExecSpaceType = void,
           typename outputValueType = double,
           typename pointValueType = double>
  class Basis_HDIV_QUAD_In_FEM
    : public Basis<ExecSpaceType,outputValueType,pointValueType> {
  public:
    using OrdinalTypeArray1DHost = typename Basis<ExecSpaceType,outputValueType,pointValueType>::OrdinalTypeArray1DHost;
    using OrdinalTypeArray2DHost = typename Basis<ExecSpaceType,outputValueType,pointValueType>::OrdinalTypeArray2DHost;
    using OrdinalTypeArray3DHost = typename Basis<ExecSpaceType,outputValueType,pointValueType>::OrdinalTypeArray3DHost;

    using ordinal_type_array_1d_host INTREPID2_DEPRECATED_TYPENAME_REPLACEMENT("use OrdinalTypeArray1DHost instead","OrdinalTypeArray1DHost") = OrdinalTypeArray1DHost INTREPID2_DEPRECATED_TYPENAME_TRAILING_ATTRIBUTE("use OrdinalTypeArray1DHost instead");
    using ordinal_type_array_2d_host INTREPID2_DEPRECATED_TYPENAME_REPLACEMENT("use OrdinalTypeArray2DHost instead","OrdinalTypeArray2DHost") = OrdinalTypeArray2DHost INTREPID2_DEPRECATED_TYPENAME_TRAILING_ATTRIBUTE("use OrdinalTypeArray2DHost instead");
    using ordinal_type_array_3d_host INTREPID2_DEPRECATED_TYPENAME_REPLACEMENT("use OrdinalTypeArray3DHost instead","OrdinalTypeArray3DHost") = OrdinalTypeArray3DHost INTREPID2_DEPRECATED_TYPENAME_TRAILING_ATTRIBUTE("use OrdinalTypeArray3DHost instead");

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

    using OutputViewType = typename Basis<ExecSpaceType,outputValueType,pointValueType>::OutputViewType;
    using PointViewType  = typename Basis<ExecSpaceType,outputValueType,pointValueType>::PointViewType;
    using ScalarViewType = typename Basis<ExecSpaceType,outputValueType,pointValueType>::ScalarViewType;
    
    using outputViewType INTREPID2_DEPRECATED_TYPENAME_REPLACEMENT("use OutputViewType instead","OutputViewType") = OutputViewType INTREPID2_DEPRECATED_TYPENAME_TRAILING_ATTRIBUTE("use OutputViewType instead");
    using pointViewType INTREPID2_DEPRECATED_TYPENAME_REPLACEMENT("use PointViewType instead","PointViewType") = PointViewType INTREPID2_DEPRECATED_TYPENAME_TRAILING_ATTRIBUTE("use PointViewType instead");
    using scalarViewType INTREPID2_DEPRECATED_TYPENAME_REPLACEMENT("use ScalarViewType instead","ScalarViewType") = ScalarViewType INTREPID2_DEPRECATED_TYPENAME_TRAILING_ATTRIBUTE("use ScalarViewType instead");

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

    virtual
    void
    getValues(       OutputViewType outputValues,
               const PointViewType  inputPoints,
               const EOperator operatorType = OPERATOR_VALUE ) const {
#ifdef HAVE_INTREPID2_DEBUG
      Intrepid2::getValues_HDIV_Args(outputValues,
                                      inputPoints,
                                      operatorType,
                                      this->getBaseCellTopology(),
                                      this->getCardinality() );
#endif
      constexpr ordinal_type numPtsPerEval = Parameters::MaxNumPtsPerBasisEval;
      Impl::Basis_HDIV_QUAD_In_FEM::
        getValues<ExecSpaceType,numPtsPerEval>( outputValues,
                                                inputPoints,
                                                this->vinvLine_,
                                                this->vinvBubble_,
                                                operatorType );
    }
    virtual
    void
    getDofCoords( ScalarViewType dofCoords ) const {
#ifdef HAVE_INTREPID2_DEBUG
      // Verify rank of output array.
      INTREPID2_TEST_FOR_EXCEPTION( dofCoords.rank() != 2, std::invalid_argument,
                                    ">>> ERROR: (Intrepid2::Basis_HDIV_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_HDIV_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_HDIV_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 {
#ifdef HAVE_INTREPID2_DEBUG
    // Verify rank of output array.
    INTREPID2_TEST_FOR_EXCEPTION( dofCoeffs.rank() != 2, std::invalid_argument,
        ">>> ERROR: (Intrepid2::Basis_HDIV_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_HDIV_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_HDIV_QUAD_In_FEM::getDofCoeffs) incorrect reference cell (1st) dimension in dofCoeffs array");
#endif
    Kokkos::deep_copy(dofCoeffs, this->dofCoeffs_);
  }

    virtual
    const char*
    getName() const {
      return "Intrepid2_HDIV_QUAD_In_FEM";
    }

    virtual
    bool
    requireOrientation() const {
      return true;
    }

  private:

    Kokkos::DynRankView<typename ScalarViewType::value_type,ExecSpaceType> vinvLine_, vinvBubble_;
  };

}// namespace Intrepid2

#include "Intrepid2_HDIV_QUAD_In_FEMDef.hpp"

#endif