Intrepid2
Intrepid2_HVOL_QUAD_Cn_FEM.hpp
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48 #ifndef __INTREPID2_HVOL_QUAD_CN_FEM_HPP__
49 #define __INTREPID2_HVOL_QUAD_CN_FEM_HPP__
50 
51 #include "Intrepid2_Basis.hpp"
53 
54 namespace Intrepid2 {
55 
56  namespace Impl {
57 
62  public:
63  typedef struct Quadrilateral<4> cell_topology_type;
67  template<EOperator opType>
68  struct Serial {
69  template<typename outputValueViewType,
70  typename inputPointViewType,
71  typename workViewType,
72  typename vinvViewType>
73  KOKKOS_INLINE_FUNCTION
74  static void
75  getValues( outputValueViewType outputValues,
76  const inputPointViewType inputPoints,
77  workViewType work,
78  const vinvViewType vinv,
79  const ordinal_type operatorDn = 0 );
80 
81  KOKKOS_INLINE_FUNCTION
82  static ordinal_type
83  getWorkSizePerPoint(ordinal_type order) {return 3*getPnCardinality<1>(order); }
84  };
85 
86  template<typename ExecSpaceType, ordinal_type numPtsPerEval,
87  typename outputValueValueType, class ...outputValueProperties,
88  typename inputPointValueType, class ...inputPointProperties,
89  typename vinvValueType, class ...vinvProperties>
90  static void
91  getValues( Kokkos::DynRankView<outputValueValueType,outputValueProperties...> outputValues,
92  const Kokkos::DynRankView<inputPointValueType, inputPointProperties...> inputPoints,
93  const Kokkos::DynRankView<vinvValueType, vinvProperties...> vinv,
94  const EOperator operatorType);
95 
99  template<typename outputValueViewType,
100  typename inputPointViewType,
101  typename vinvViewType,
102  typename workViewType,
103  EOperator opType,
104  ordinal_type numPtsEval>
105  struct Functor {
106  outputValueViewType _outputValues;
107  const inputPointViewType _inputPoints;
108  const vinvViewType _vinv;
109  workViewType _work;
110  const ordinal_type _opDn;
111 
112  KOKKOS_INLINE_FUNCTION
113  Functor( outputValueViewType outputValues_,
114  inputPointViewType inputPoints_,
115  vinvViewType vinv_,
116  workViewType work_,
117  const ordinal_type opDn_ = 0 )
118  : _outputValues(outputValues_), _inputPoints(inputPoints_),
119  _vinv(vinv_), _work(work_), _opDn(opDn_) {}
120 
121  KOKKOS_INLINE_FUNCTION
122  void operator()(const size_type iter) const {
123  const auto ptBegin = Util<ordinal_type>::min(iter*numPtsEval, _inputPoints.extent(0));
124  const auto ptEnd = Util<ordinal_type>::min(ptBegin+numPtsEval, _inputPoints.extent(0));
125 
126  const auto ptRange = Kokkos::pair<ordinal_type,ordinal_type>(ptBegin, ptEnd);
127  const auto input = Kokkos::subview( _inputPoints, ptRange, Kokkos::ALL() );
128 
129  typename workViewType::pointer_type ptr = _work.data() + _work.extent(0)*ptBegin*get_dimension_scalar(_work);
130 
131  auto vcprop = Kokkos::common_view_alloc_prop(_work);
132  workViewType work(Kokkos::view_wrap(ptr,vcprop), (ptEnd-ptBegin)*_work.extent(0));
133 
134  switch (opType) {
135  case OPERATOR_VALUE : {
136  auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange );
137  Serial<opType>::getValues( output, input, work, _vinv );
138  break;
139  }
140  case OPERATOR_Dn : {
141  auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange, Kokkos::ALL() );
142  Serial<opType>::getValues( output, input, work, _vinv, _opDn );
143  break;
144  }
145  default: {
146  INTREPID2_TEST_FOR_ABORT( true,
147  ">>> ERROR: (Intrepid2::Basis_HVOL_QUAD_Cn_FEM::Functor) operator is not supported");
148 
149  }
150  }
151  }
152  };
153  };
154  }
155 
162  template<typename ExecSpaceType = void,
163  typename outputValueType = double,
164  typename pointValueType = double>
166  : public Basis<ExecSpaceType,outputValueType,pointValueType> {
167  public:
171 
174  Basis_HVOL_QUAD_Cn_FEM(const ordinal_type order,
175  const EPointType pointType = POINTTYPE_EQUISPACED);
176 
180 
182 
183  virtual
184  void
185  getValues( outputViewType outputValues,
186  const pointViewType inputPoints,
187  const EOperator operatorType = OPERATOR_VALUE ) const {
188 #ifdef HAVE_INTREPID2_DEBUG
189  Intrepid2::getValues_HVOL_Args(outputValues,
190  inputPoints,
191  operatorType,
192  this->getBaseCellTopology(),
193  this->getCardinality() );
194 #endif
195  constexpr ordinal_type numPtsPerEval = Parameters::MaxNumPtsPerBasisEval;
196  Impl::Basis_HVOL_QUAD_Cn_FEM::
197  getValues<ExecSpaceType,numPtsPerEval>( outputValues,
198  inputPoints,
199  this->vinv_,
200  operatorType );
201  }
202 
203  virtual
204  void
205  getDofCoords( scalarViewType dofCoords ) const {
206 #ifdef HAVE_INTREPID2_DEBUG
207  // Verify rank of output array.
208  INTREPID2_TEST_FOR_EXCEPTION( dofCoords.rank() != 2, std::invalid_argument,
209  ">>> ERROR: (Intrepid2::Basis_HVOL_QUAD_Cn_FEM::getDofCoords) rank = 2 required for dofCoords array");
210  // Verify 0th dimension of output array.
211  INTREPID2_TEST_FOR_EXCEPTION( static_cast<ordinal_type>(dofCoords.extent(0)) != this->getCardinality(), std::invalid_argument,
212  ">>> ERROR: (Intrepid2::Basis_HVOL_QUAD_Cn_FEM::getDofCoords) mismatch in number of dof and 0th dimension of dofCoords array");
213  // Verify 1st dimension of output array.
214  INTREPID2_TEST_FOR_EXCEPTION( dofCoords.extent(1) != this->getBaseCellTopology().getDimension(), std::invalid_argument,
215  ">>> ERROR: (Intrepid2::Basis_HVOL_QUAD_Cn_FEM::getDofCoords) incorrect reference cell (1st) dimension in dofCoords array");
216 #endif
217  Kokkos::deep_copy(dofCoords, this->dofCoords_);
218  }
219 
220  virtual
221  void
222  getDofCoeffs( scalarViewType dofCoeffs ) const {
223 #ifdef HAVE_INTREPID2_DEBUG
224  // Verify rank of output array.
225  INTREPID2_TEST_FOR_EXCEPTION( dofCoeffs.rank() != 1, std::invalid_argument,
226  ">>> ERROR: (Intrepid2::Basis_HVOL_QUAD_Cn_FEM::getdofCoeffs) rank = 1 required for dofCoeffs array");
227  // Verify 0th dimension of output array.
228  INTREPID2_TEST_FOR_EXCEPTION( static_cast<ordinal_type>(dofCoeffs.extent(0)) != this->getCardinality(), std::invalid_argument,
229  ">>> ERROR: (Intrepid2::Basis_HVOL_QUAD_Cn_FEM::getdofCoeffs) mismatch in number of dof and 0th dimension of dofCoeffs array");
230 #endif
231  Kokkos::deep_copy(dofCoeffs, 1.0);
232  }
233 
234  virtual
235  const char*
236  getName() const {
237  return "Intrepid2_HVOL_QUAD_Cn_FEM";
238  }
239 
240  virtual
241  bool
243  return false;
244  }
245 
246  private:
247 
249  Kokkos::DynRankView<typename scalarViewType::value_type,ExecSpaceType> vinv_;
250  };
251 
252 }// namespace Intrepid2
253 
255 
256 #endif
small utility functions
Kokkos::DynRankView< scalarType, Kokkos::LayoutStride, ExecSpaceType > scalarViewType
View type for scalars.
See Intrepid2::Basis_HVOL_QUAD_Cn_FEM.
Definition file for FEM basis functions of degree n for H(vol) functions on QUAD. ...
An abstract base class that defines interface for concrete basis implementations for Finite Element (...
Kokkos::DynRankView< outputValueType, Kokkos::LayoutStride, ExecSpaceType > outputViewType
View type for basis value output.
shards::CellTopology getBaseCellTopology() const
Returns the base cell topology for which the basis is defined. See Shards documentation https://trili...
Basis_HVOL_QUAD_Cn_FEM(const ordinal_type order, const EPointType pointType=POINTTYPE_EQUISPACED)
Constructor.
Kokkos::DynRankView< scalarType, ExecSpaceType > dofCoords_
Coordinates of degrees-of-freedom for basis functions defined in physical space.
ordinal_type getCardinality() const
Returns cardinality of the basis.
Kokkos::View< ordinal_type ***, typename ExecSpaceType::array_layout, Kokkos::HostSpace > ordinal_type_array_3d_host
View type for 3d host array.
Header file for the Intrepid2::Basis_HVOL_LINE_Cn_FEM class.
static constexpr ordinal_type MaxNumPtsPerBasisEval
The maximum number of points to eval in serial mode.
Kokkos::DynRankView< typename scalarViewType::value_type, ExecSpaceType > vinv_
inverse of Generalized Vandermonde matrix (isotropic order)
Kokkos::View< ordinal_type *,typename ExecSpaceType::array_layout, Kokkos::HostSpace > ordinal_type_array_1d_host
View type for 1d host array.
virtual void getDofCoeffs(scalarViewType dofCoeffs) const
Coefficients for computing degrees of freedom for Lagrangian basis If P is an element of the space sp...
Kokkos::DynRankView< pointValueType, Kokkos::LayoutStride, ExecSpaceType > pointViewType
View type for input points.
Implementation of the default HVOL-compatible FEM basis of degree n on Quadrilateral cell Implements ...
virtual const char * getName() const
Returns basis name.
virtual void getDofCoords(scalarViewType dofCoords) const
Returns spatial locations (coordinates) of degrees of freedom on the reference cell.
virtual bool requireOrientation() const
True if orientation is required.
Header file for the abstract base class Intrepid2::Basis.
Kokkos::View< ordinal_type **,typename ExecSpaceType::array_layout, Kokkos::HostSpace > ordinal_type_array_2d_host
View type for 2d host array.
virtual void getValues(outputViewType outputValues, const pointViewType inputPoints, const EOperator operatorType=OPERATOR_VALUE) const
Evaluation of a FEM basis on a reference cell.