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Panzer_DOF_PointField_impl.hpp
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42 
43 #ifndef PANZER_DOF_POINT_FIELD_DECL_HPP
44 #define PANZER_DOF_POINT_FIELD_DECL_HPP
45 
48 
49 #include "Intrepid2_FunctionSpaceTools.hpp"
50 
51 #include "Phalanx_DataLayout_MDALayout.hpp"
52 
53 namespace panzer {
54 
55 //**********************************************************************
56 template <typename EvalT, typename TRAITST>
57 void DOF_PointField<EvalT,TRAITST>::initialize(const std::string & fieldName,
58  const PureBasis & fieldBasis,
59  const std::string & coordinateName,
60  const Teuchos::RCP<PHX::DataLayout> & coordLayout,
61  const Teuchos::RCP<PHX::DataLayout> & quadLayout,
62  const std::string & postfixFieldName)
63 {
64  intrepidBasis = fieldBasis.getIntrepid2Basis();
65 
66  int cellCount = fieldBasis.functional->extent(0);
67  int coeffCount = fieldBasis.functional->extent(1);
68  int pointCount = coordLayout->extent(0);
69  int dimCount = coordLayout->extent(1);
70 
71  Teuchos::RCP<PHX::DataLayout> basisLayout = fieldBasis.functional;
72 
73  coordinates = PHX::MDField<const ScalarT,Point,Dim>(coordinateName,coordLayout);
74  dof_coeff = PHX::MDField<const ScalarT>(fieldName,basisLayout);
75  dof_field = PHX::MDField<ScalarT>(fieldName+postfixFieldName,quadLayout);
76 
77  this->addDependentField(coordinates);
78  this->addDependentField(dof_coeff);
79  this->addEvaluatedField(dof_field);
80 
81  // build data storage for temporary conversion
82  basisRef = Kokkos::DynRankView<double,PHX::Device>("basisRef",coeffCount,pointCount);
83  basis = Kokkos::DynRankView<double,PHX::Device>("basis",cellCount,coeffCount,pointCount);
84  intrpCoords = Kokkos::DynRankView<double,PHX::Device>("intrpCoords",pointCount,dimCount);
85 
86  std::string n = "DOF_PointField: " + dof_field.fieldTag().name();
87  this->setName(n);
88 }
89 
90 //**********************************************************************
91 template <typename EvalT, typename TRAITST>
92 void DOF_PointField<EvalT,TRAITST>::evaluateFields(typename TRAITST::EvalData workset)
93 {
94  // Zero out arrays (intrepid does a sum! 1/17/2012)
95  dof_field.deep_copy(ScalarT(0.0));
96 
97  // copy coordinates
98  for (int i = 0; i < coordinates.extent_int(0); ++i)
99  for (int j = 0; j < coordinates.extent_int(1); ++j)
100  intrpCoords(i,j) = Sacado::ScalarValue<ScalarT>::eval(coordinates(i,j));
101 
102  if(workset.num_cells>0) {
103  // evaluate at reference points
104  intrepidBasis->getValues(basisRef, intrpCoords, Intrepid2::OPERATOR_VALUE);
105 
106  // transfer reference basis values to physical frame values
107  Intrepid2::FunctionSpaceTools<PHX::exec_space>::
108  HGRADtransformVALUE(basis,basisRef);
109 
110  // evaluate function at specified points
111  Intrepid2::FunctionSpaceTools<PHX::exec_space>::
112  evaluate(dof_field.get_view(),dof_coeff.get_view(),basis);
113  }
114 }
115 
116 //**********************************************************************
117 
118 }
119 
120 #endif
void initialize(const std::string &fieldName, const PureBasis &fieldBasis, const std::string &coordinateName, const Teuchos::RCP< PHX::DataLayout > &coordLayout, const Teuchos::RCP< PHX::DataLayout > &quadLayout, const std::string &postfixFieldName)
Convenience initialization routine, see constructor above.
void evaluateFields(typename TRAITST::EvalData workset)
Teuchos::RCP< Intrepid2::Basis< PHX::Device::execution_space, double, double > > getIntrepid2Basis() const
Description and data layouts associated with a particular basis.
Teuchos::RCP< PHX::DataLayout > functional
&lt;Cell,Basis&gt; or &lt;Cell,Basis&gt;