Intrepid2_HVOL_C0_FEM.hpp

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#ifndef __INTREPID2_HVOL_C0_FEM_HPP__
#define __INTREPID2_HVOL_C0_FEM_HPP__

#include "Intrepid2_CellTools.hpp"
#include "Intrepid2_Basis.hpp"

namespace Intrepid2 {

  namespace Impl {

    class Basis_HVOL_C0_FEM {
    public:
      template<EOperator opType>
      struct Serial {
        template<typename outputViewType,
                 typename inputViewType>
        KOKKOS_INLINE_FUNCTION
        static void
        getValues(       outputViewType output,
                   const inputViewType input );

      };

      template<typename ExecSpaceType,
               typename outputValueValueType, class ...outputValueProperties,
               typename inputPointValueType,  class ...inputPointProperties>
      static void
      getValues(       Kokkos::DynRankView<outputValueValueType,outputValueProperties...> outputValues,
                 const Kokkos::DynRankView<inputPointValueType, inputPointProperties...>  inputPoints,
                 const EOperator operatorType);

      template<typename outputValueViewType,
               typename inputPointViewType,
               EOperator opType>
      struct Functor {
              outputValueViewType _outputValues;
        const inputPointViewType  _inputPoints;

        KOKKOS_INLINE_FUNCTION
        Functor(       outputValueViewType outputValues_,
                       inputPointViewType  inputPoints_ )
          : _outputValues(outputValues_), _inputPoints(inputPoints_) {}

        KOKKOS_INLINE_FUNCTION
        void operator()(const ordinal_type pt) const {
          switch (opType) {
          case OPERATOR_VALUE : {
            auto       output = Kokkos::subview( _outputValues, Kokkos::ALL(), pt );
            const auto input  = Kokkos::subview( _inputPoints,                 pt, Kokkos::ALL() );
            Serial<opType>::getValues( output, input );
            break;
          }
          case OPERATOR_MAX : {
            auto       output = Kokkos::subview( _outputValues, Kokkos::ALL(), pt, Kokkos::ALL() );
            const auto input  = Kokkos::subview( _inputPoints,                 pt, Kokkos::ALL() );
            Serial<opType>::getValues( output, input );
            break;
          }
          default: {
            INTREPID2_TEST_FOR_ABORT( opType != OPERATOR_VALUE &&
                                      opType != OPERATOR_MAX,
                                      ">>> ERROR: (Intrepid2::Basis_HVOL_C0_FEM::Serial::getValues) operator is not supported");
          }
          }
        }
      };
    };
  }

  template<typename ExecSpaceType = void,
           typename outputValueType = double,
           typename pointValueType = double>
  class Basis_HVOL_C0_FEM : public Basis<ExecSpaceType,outputValueType,pointValueType> {
  public:
    typedef typename Basis<ExecSpaceType,outputValueType,pointValueType>::ordinal_type_array_1d_host ordinal_type_array_1d_host;
    typedef typename Basis<ExecSpaceType,outputValueType,pointValueType>::ordinal_type_array_2d_host ordinal_type_array_2d_host;
    typedef typename Basis<ExecSpaceType,outputValueType,pointValueType>::ordinal_type_array_3d_host ordinal_type_array_3d_host;

    Basis_HVOL_C0_FEM() = delete;

    Basis_HVOL_C0_FEM(const shards::CellTopology cellTopo);

    typedef typename Basis<ExecSpaceType,outputValueType,pointValueType>::outputViewType outputViewType;
    typedef typename Basis<ExecSpaceType,outputValueType,pointValueType>::pointViewType  pointViewType;
    typedef typename Basis<ExecSpaceType,outputValueType,pointValueType>::scalarViewType scalarViewType;

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

    virtual
    void
    getValues(       outputViewType outputValues,
               const pointViewType  inputPoints,
               const EOperator operatorType = OPERATOR_VALUE ) const {
#ifdef HAVE_INTREPID2_DEBUG
      // Verify arguments
      Intrepid2::getValues_HGRAD_Args(outputValues,
                                      inputPoints,
                                      operatorType,
                                      this->getBaseCellTopology(),
                                      this->getCardinality() );
#endif
      Impl::Basis_HVOL_C0_FEM::
        getValues<ExecSpaceType>( outputValues,
                                  inputPoints,
                                  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_HVOL_C0_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_HVOL_C0_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_HVOL_C0_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() != 1, std::invalid_argument,
                                    ">>> ERROR: (Intrepid2::Basis_HVOL_C0_FEM::getdofCoeffs) rank = 1 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_HVOL_C0_FEM::getdofCoeffs) mismatch in number of dof and 0th dimension of dofCoeffs array");
#endif
      Kokkos::deep_copy(dofCoeffs, 1.0);
    }

    virtual
    const char* getName() const {
      return "Intrepid2_HVOL_C0_FEM";
    }
  };
}

#include "Intrepid2_HVOL_C0_FEMDef.hpp"

#endif