Intrepid2_HVOL_TET_Cn_FEM.hpp

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#ifndef __INTREPID2_HVOL_TET_CN_FEM_HPP__
#define __INTREPID2_HVOL_TET_CN_FEM_HPP__
 
#include "Intrepid2_Basis.hpp"
 
#include "Intrepid2_PointTools.hpp"
#include "Teuchos_LAPACK.hpp"
 
 
namespace Intrepid2 {
  
  namespace Impl {
 
    class Basis_HVOL_TET_Cn_FEM {
    public:
      typedef struct Tetrahedron<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        vinv );
                   
                   
        KOKKOS_INLINE_FUNCTION
        static ordinal_type
        getWorkSizePerPoint(ordinal_type order) {
          auto cardinality = getPnCardinality<3>(order);
          switch (opType) {
          case OPERATOR_GRAD:
          case OPERATOR_CURL:
          case OPERATOR_D1:
            return 7*cardinality;
          default:
            return getDkCardinality<opType,3>()*cardinality;
          }
        }
      };
 
      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...>        vinv,
                  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        _vinv;
              workViewType        _work;
 
        KOKKOS_INLINE_FUNCTION
        Functor(       outputValueViewType outputValues_,
                       inputPointViewType  inputPoints_,
                       vinvViewType        vinv_,
                       workViewType        work_)
          : _outputValues(outputValues_), _inputPoints(inputPoints_),
            _vinv(vinv_), _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 );
            Serial<opType>::getValues( output, input, work, _vinv );
            break;
          }
          case OPERATOR_GRAD :
          case OPERATOR_D1 :
          case OPERATOR_D2 :
          //case OPERATOR_D3 :
          {
            auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange, Kokkos::ALL() );
            Serial<opType>::getValues( output, input, work, _vinv );
            break;
          }
          default: {
            INTREPID2_TEST_FOR_ABORT( true,
                                      ">>> ERROR: (Intrepid2::Basis_HVOL_TET_Cn_FEM::Functor) operator is not supported");
 
          }
          }
        }
      };
    };
  }
  
    template<typename ExecSpaceType = void,
           typename outputValueType = double,
           typename pointValueType = double>
  class Basis_HVOL_TET_Cn_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_HVOL_TET_Cn_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");
 
    typedef typename Basis<ExecSpaceType,outputValueType,pointValueType>::scalarType  scalarType;
 
    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_HVOL_Args(outputValues,
                                      inputPoints,
                                      operatorType,
                                      this->getBaseCellTopology(),
                                      this->getCardinality() );
#endif
      constexpr ordinal_type numPtsPerEval = Parameters::MaxNumPtsPerBasisEval;
      Impl::Basis_HVOL_TET_Cn_FEM::
        getValues<ExecSpaceType,numPtsPerEval>( outputValues,
                                                inputPoints,
                                                this->vinv_,
                                                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_TET_Cn_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_TET_Cn_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_TET_Cn_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_TET_Cn_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_TET_Cn_FEM::getdofCoeffs) mismatch in number of dof and 0th dimension of dofCoeffs array");
#endif
      Kokkos::deep_copy(dofCoeffs, 1.0);
    }
 
    void
    getVandermondeInverse( ScalarViewType vinv ) const {
      // has to be same rank and dimensions
      Kokkos::deep_copy(vinv, this->vinv_);
    }
 
    virtual
    const char*
    getName() const {
      return "Intrepid2_HVOL_TET_Cn_FEM";
    }
 
    virtual
    bool
    requireOrientation() const {
      return false;
    }
 
  private:
 
    Kokkos::DynRankView<scalarType,ExecSpaceType> vinv_;
 
  };
 
}// namespace Intrepid2
 
#include "Intrepid2_HVOL_TET_Cn_FEMDef.hpp"
 
#endif