Intrepid2_HCURL_TET_In_FEM.hpp

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#ifndef __INTREPID2_HCURL_TET_IN_FEM_HPP__
#define __INTREPID2_HCURL_TET_IN_FEM_HPP__

#include "Intrepid2_Basis.hpp"
#include "Intrepid2_HGRAD_TET_Cn_FEM_ORTH.hpp"

#include "Intrepid2_PointTools.hpp"
#include "Teuchos_LAPACK.hpp"

namespace Intrepid2 {

#define CardinalityHCurlTet(order) (order*(order+2)*(order+3)/2)

namespace Impl {

class Basis_HCURL_TET_In_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 = CardinalityHCurlTet(order);
      switch (opType) {
      case OPERATOR_DIV:
      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        _coeffs;
    workViewType        _work;

    KOKKOS_INLINE_FUNCTION
    Functor( outputValueViewType outputValues_,
        inputPointViewType  inputPoints_,
        vinvViewType        coeffs_,
        workViewType        work_)
    : _outputValues(outputValues_), _inputPoints(inputPoints_),
      _coeffs(coeffs_), _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, _coeffs );
        break;
      }
      case OPERATOR_CURL: {
        auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange,  Kokkos::ALL() );
        Serial<opType>::getValues( output, input, work, _coeffs );
        break;
      }
      default: {
        INTREPID2_TEST_FOR_ABORT( true,
            ">>> ERROR: (Intrepid2::Basis_HCURL_TET_In_FEM::Functor) operator is not supported");

      }
      }
    }
  };
};
}

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

  Basis_HCURL_TET_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");

  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_HCURL_Args(outputValues,
        inputPoints,
        operatorType,
        this->getBaseCellTopology(),
        this->getCardinality() );
#endif
    constexpr ordinal_type numPtsPerEval = Parameters::MaxNumPtsPerBasisEval;
    Impl::Basis_HCURL_TET_In_FEM::
    getValues<ExecSpaceType,numPtsPerEval>( outputValues,
        inputPoints,
        this->coeffs_,
        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_HCURL_TET_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_TET_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_TET_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_HCURL_TET_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_TET_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_TET_In_FEM::getDofCoeffs) incorrect reference cell (1st) dimension in dofCoeffs array");
#endif
    Kokkos::deep_copy(dofCoeffs, this->dofCoeffs_);
  }

  void
  getExpansionCoeffs( ScalarViewType coeffs ) const {
    // has to be same rank and dimensions
    Kokkos::deep_copy(coeffs, this->coeffs_);
  }

  virtual
  const char*
  getName() const {
    return "Intrepid2_HCURL_TET_In_FEM";
  }

  virtual
  bool
  requireOrientation() const {
    return true;
  }

    private:

  Kokkos::DynRankView<scalarType,ExecSpaceType> coeffs_;

};

}// namespace Intrepid2

#include "Intrepid2_HCURL_TET_In_FEMDef.hpp"

#endif