Intrepid2_HGRAD_LINE_Cn_FEM_JACOBI.hpp

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#ifndef __INTREPID2_HGRAD_LINE_CN_FEM_JACOBI_HPP__
#define __INTREPID2_HGRAD_LINE_CN_FEM_JACOBI_HPP__
 
#include "Intrepid2_Basis.hpp"
#include "Intrepid2_Polylib.hpp"
 
namespace Intrepid2 {
  
 
  namespace Impl {

    class Basis_HGRAD_LINE_Cn_FEM_JACOBI {
    public:

      template<EOperator opType>
      struct Serial {
        template<typename OutputViewType,
                 typename inputViewType>
        KOKKOS_INLINE_FUNCTION
        static void
        getValues(       OutputViewType output,
                   const inputViewType  input,
                   const ordinal_type   order,
                   const double         alpha,
                   const double         beta,
                   const ordinal_type   opDn = 0 );
      };
      
      template<typename ExecSpaceType, ordinal_type numPtsPerEval,
               typename outputValueValueType, class ...outputValueProperties,
               typename inputPointValueType,  class ...inputPointProperties>
      static void
      getValues(        Kokkos::DynRankView<outputValueValueType,outputValueProperties...> outputValues,
                  const Kokkos::DynRankView<inputPointValueType, inputPointProperties...>  inputPoints,
                  const ordinal_type order,
                  const double alpha,
                  const double beta,
                  const EOperator operatorType );
      
      template<typename outputValueViewType,
               typename inputPointViewType,
               EOperator opType,
               ordinal_type numPtsEval>
      struct Functor {
              outputValueViewType _outputValues;
        const inputPointViewType  _inputPoints;
        const ordinal_type        _order;
        const double              _alpha, _beta;
        const ordinal_type        _opDn;
        
        KOKKOS_INLINE_FUNCTION
        Functor(       outputValueViewType outputValues_,
                       inputPointViewType  inputPoints_,
                 const ordinal_type        order_,
                 const double              alpha_,
                 const double              beta_,
                 const ordinal_type        opDn_ = 0 )
          : _outputValues(outputValues_), _inputPoints(inputPoints_), 
            _order(order_), _alpha(alpha_), _beta(beta_), _opDn(opDn_) {}
        
        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() );
 
          if (input.extent(0)) {
            switch (opType) {
            case OPERATOR_VALUE : {
              auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange );
              Serial<opType>::getValues( output, input, _order, _alpha, _beta );
              break;
            }
            case OPERATOR_GRAD : {
              auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange, Kokkos::ALL() );
              Serial<opType>::getValues( output, input, _order, _alpha, _beta );
              break;
            }
            case OPERATOR_Dn: {
              auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange, Kokkos::ALL() );
              Serial<opType>::getValues( output, input, _order, _alpha, _beta, _opDn );
              break;
            }
            default: {
              INTREPID2_TEST_FOR_ABORT( true, 
                                        ">>> ERROR: (Intrepid2::Basis_HGRAD_LINE_Cn_FEM_JACOBI::Functor) operator is not supported");
              
            }
            }
          }
        }
      };
    };
  }
 
  template<typename DeviceType = void,
           typename outputValueType = double,
           typename pointValueType = double>
  class Basis_HGRAD_LINE_Cn_FEM_JACOBI
    : public Basis<DeviceType,outputValueType,pointValueType> {
  public:
    typedef double value_type;
    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_HGRAD_LINE_Cn_FEM_JACOBI( const ordinal_type order, 
                                    const double alpha = 0, 
                                    const double beta = 0 );  
 
    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_HGRAD_Args(outputValues,
                                      inputPoints,
                                      operatorType,
                                      this->getBaseCellTopology(),
                                      this->getCardinality() );
#endif
      constexpr ordinal_type numPtsPerEval = 1;
      Impl::Basis_HGRAD_LINE_Cn_FEM_JACOBI::
        getValues<DeviceType,numPtsPerEval>( outputValues, 
                                                inputPoints, 
                                                this->getDegree(),
                                                this->alpha_, 
                                                this->beta_,
                                                operatorType );
    }
    
  private:
    double alpha_, beta_;
 
  };
 
}
 
#include "Intrepid2_HGRAD_LINE_Cn_FEM_JACOBIDef.hpp"
 
#endif