Intrepid2
Intrepid2_HGRAD_LINE_Cn_FEM_JACOBI.hpp
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42 
49 #ifndef __INTREPID2_HGRAD_LINE_CN_FEM_JACOBI_HPP__
50 #define __INTREPID2_HGRAD_LINE_CN_FEM_JACOBI_HPP__
51 
52 #include "Intrepid2_Basis.hpp"
53 #include "Intrepid2_Polylib.hpp"
54 
55 namespace Intrepid2 {
56 
131  namespace Impl {
132 
137  public:
138 
142  template<EOperator opType>
143  struct Serial {
144  template<typename outputViewType,
145  typename inputViewType>
146  KOKKOS_INLINE_FUNCTION
147  static void
148  getValues( outputViewType output,
149  const inputViewType input,
150  const ordinal_type order,
151  const double alpha,
152  const double beta,
153  const ordinal_type opDn = 0 );
154  };
155 
156  template<typename ExecSpaceType, ordinal_type numPtsPerEval,
157  typename outputValueValueType, class ...outputValueProperties,
158  typename inputPointValueType, class ...inputPointProperties>
159  static void
160  getValues( Kokkos::DynRankView<outputValueValueType,outputValueProperties...> outputValues,
161  const Kokkos::DynRankView<inputPointValueType, inputPointProperties...> inputPoints,
162  const ordinal_type order,
163  const double alpha,
164  const double beta,
165  const EOperator operatorType );
166 
170  template<typename outputValueViewType,
171  typename inputPointViewType,
172  EOperator opType,
173  ordinal_type numPtsEval>
174  struct Functor {
175  outputValueViewType _outputValues;
176  const inputPointViewType _inputPoints;
177  const ordinal_type _order;
178  const double _alpha, _beta;
179  const ordinal_type _opDn;
180 
181  KOKKOS_INLINE_FUNCTION
182  Functor( outputValueViewType outputValues_,
183  inputPointViewType inputPoints_,
184  const ordinal_type order_,
185  const double alpha_,
186  const double beta_,
187  const ordinal_type opDn_ = 0 )
188  : _outputValues(outputValues_), _inputPoints(inputPoints_),
189  _order(order_), _alpha(alpha_), _beta(beta_), _opDn(opDn_) {}
190 
191  KOKKOS_INLINE_FUNCTION
192  void operator()(const size_type iter) const {
193  const auto ptBegin = Util<ordinal_type>::min(iter*numPtsEval, _inputPoints.extent(0));
194  const auto ptEnd = Util<ordinal_type>::min(ptBegin+numPtsEval, _inputPoints.extent(0));
195 
196  const auto ptRange = Kokkos::pair<ordinal_type,ordinal_type>(ptBegin, ptEnd);
197  const auto input = Kokkos::subview( _inputPoints, ptRange, Kokkos::ALL() );
198 
199  if (input.extent(0)) {
200  switch (opType) {
201  case OPERATOR_VALUE : {
202  auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange );
203  Serial<opType>::getValues( output, input, _order, _alpha, _beta );
204  break;
205  }
206  case OPERATOR_GRAD : {
207  auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange, Kokkos::ALL() );
208  Serial<opType>::getValues( output, input, _order, _alpha, _beta );
209  break;
210  }
211  case OPERATOR_Dn: {
212  auto output = Kokkos::subview( _outputValues, Kokkos::ALL(), ptRange, Kokkos::ALL() );
213  Serial<opType>::getValues( output, input, _order, _alpha, _beta, _opDn );
214  break;
215  }
216  default: {
217  INTREPID2_TEST_FOR_ABORT( true,
218  ">>> ERROR: (Intrepid2::Basis_HGRAD_LINE_Cn_FEM_JACOBI::Functor) operator is not supported");
219 
220  }
221  }
222  }
223  }
224  };
225  };
226  }
227 
228  template<typename ExecSpaceType = void,
229  typename outputValueType = double,
230  typename pointValueType = double>
232  : public Basis<ExecSpaceType,outputValueType,pointValueType> {
233  public:
234  typedef double value_type;
238 
241  Basis_HGRAD_LINE_Cn_FEM_JACOBI( const ordinal_type order,
242  const double alpha = 0,
243  const double beta = 0 );
244 
247 
249 
250  virtual
251  void
252  getValues( outputViewType outputValues,
253  const pointViewType inputPoints,
254  const EOperator operatorType = OPERATOR_VALUE ) const {
255 #ifdef HAVE_INTREPID2_DEBUG
256  Intrepid2::getValues_HGRAD_Args(outputValues,
257  inputPoints,
258  operatorType,
259  this->getBaseCellTopology(),
260  this->getCardinality() );
261 #endif
262  constexpr ordinal_type numPtsPerEval = 1;
263  Impl::Basis_HGRAD_LINE_Cn_FEM_JACOBI::
264  getValues<ExecSpaceType,numPtsPerEval>( outputValues,
265  inputPoints,
266  this->getDegree(),
267  this->alpha_,
268  this->beta_,
269  operatorType );
270  }
271 
272  private:
273  double alpha_, beta_;
274 
275  };
276 
277 }
278 
280 
281 #endif
small utility functions
Header file for Intrepid2::Polylib class providing orthogonal polynomial calculus and interpolation...
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...
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.
Basis_HGRAD_LINE_Cn_FEM_JACOBI(const ordinal_type order, const double alpha=0, const double beta=0)
Constructor.
Kokkos::View< ordinal_type *,typename ExecSpaceType::array_layout, Kokkos::HostSpace > ordinal_type_array_1d_host
View type for 1d host array.
Kokkos::DynRankView< pointValueType, Kokkos::LayoutStride, ExecSpaceType > pointViewType
View type for input points.
ordinal_type getDegree() const
Returns the degree of the basis.
Implementation of the locally H(grad)-compatible FEM basis of variable order on the [-1...
virtual void getValues(outputViewType outputValues, const pointViewType inputPoints, const EOperator operatorType=OPERATOR_VALUE) const
Evaluation of a FEM basis on a reference cell.
Definition file for FEM orthogonal basis functions of degree n for H(grad) functions on LINE...
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.