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Panzer_Sum.hpp
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3//
4// Panzer: A partial differential equation assembly
5// engine for strongly coupled complex multiphysics systems
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42
43#ifndef PANZER_EVALUATOR_SUM_HPP
44#define PANZER_EVALUATOR_SUM_HPP
45
46#include "Phalanx_Evaluator_Macros.hpp"
47#include "Phalanx_MDField.hpp"
48
50
52
53namespace panzer {
54
66template<typename EvalT, typename Traits>
67class Sum
68 :
69 public panzer::EvaluatorWithBaseImpl<Traits>,
70 public PHX::EvaluatorDerived<EvalT, Traits>
71{
72 public:
73
74 Sum(
75 const Teuchos::ParameterList& p);
76
77 void
79 typename Traits::SetupData d,
81
82 void
84 typename Traits::EvalData d);
85
86 private:
87
88 using ScalarT = typename EvalT::ScalarT;
89 static const int MAX_VALUES=20;
90
91 PHX::MDField<ScalarT> sum;
92 // std::vector< PHX::MDField<const ScalarT> > values;
93 // std::vector<double> scalars;
94 PHX::MDField<const ScalarT> values[MAX_VALUES];
95 PHX::View<const double *> scalars;
96
97 std::size_t cell_data_size;
98
99public:
100 template<unsigned int RANK>
101 struct PanzerSumTag{};
102
103 template<unsigned int RANK>
104 KOKKOS_INLINE_FUNCTION
105 void operator() (PanzerSumTag<RANK>, const int &i) const;
106
107}; // end of class Sum
108
109
113template<typename EvalT, typename TRAITS,typename Tag0,typename Tag1=void,typename Tag2=void>
115 public PHX::EvaluatorDerived<EvalT, TRAITS> {
116public:
117 SumStatic(const Teuchos::ParameterList& p);
118 void evaluateFields(typename TRAITS::EvalData d);
119private:
120 typedef typename EvalT::ScalarT ScalarT;
121};
122
123template<typename EvalT, typename TRAITS,typename Tag0>
124class SumStatic<EvalT,TRAITS,Tag0,void,void> : public panzer::EvaluatorWithBaseImpl<TRAITS>,
125 public PHX::EvaluatorDerived<EvalT, TRAITS> {
126public:
127 SumStatic(const Teuchos::ParameterList& p);
128 void evaluateFields(typename TRAITS::EvalData d);
129private:
130 typedef typename EvalT::ScalarT ScalarT;
131
132 PHX::MDField<ScalarT,Tag0> sum;
133 std::vector< PHX::MDField<const ScalarT,Tag0> > values;
134};
135
136template<typename EvalT, typename TRAITS,typename Tag0,typename Tag1>
137class SumStatic<EvalT,TRAITS,Tag0,Tag1,void> : public panzer::EvaluatorWithBaseImpl<TRAITS>,
138 public PHX::EvaluatorDerived<EvalT, TRAITS> {
139public:
140 SumStatic(const Teuchos::ParameterList& p);
141
152 SumStatic(const std::vector<PHX::Tag<typename EvalT::ScalarT>> & inputs,
153 const std::vector<double> & scalar_values,
154 const PHX::Tag<typename EvalT::ScalarT> & output);
155 void postRegistrationSetup(typename TRAITS::SetupData d,
157 void evaluateFields(typename TRAITS::EvalData d);
158
159 struct ScalarsTag {};
160 KOKKOS_INLINE_FUNCTION
161 void operator()(const ScalarsTag,const unsigned c) const;
162
163 struct NoScalarsTag {};
164 KOKKOS_INLINE_FUNCTION
165 void operator()(const NoScalarsTag,const unsigned c) const;
166
167private:
168 typedef typename EvalT::ScalarT ScalarT;
169
170 PHX::MDField<ScalarT,Tag0,Tag1> sum;
171 std::vector< PHX::MDField<const ScalarT,Tag0,Tag1> > values;
173
174 // Functor members
176 enum {MAX_VALUES=20};
177 PHX::MDField<const ScalarT,Tag0,Tag1> current_value;
178 PHX::View<const ScalarT**> value_views[MAX_VALUES];
179 PHX::View<const double*> scalars;
181
182 // this is used in the parallel kernel
183};
184
185/*
186template<typename EvalT, typename TRAITS,typename Tag0,typename Tag1,typename Tag2>
187class SumStatic<EvalT,TRAITS,Tag0,Tag1,Tag2> : public panzer::EvaluatorWithBaseImpl<TRAITS>,
188 public PHX::EvaluatorDerived<EvalT, TRAITS> {
189public:
190 SumStatic(const Teuchos::ParameterList& p);
191 void evaluateFields(typename TRAITS::EvalData d);
192private:
193 typedef typename EvalT::ScalarT ScalarT;
194
195 PHX::MDField<ScalarT,Tag0,Tag1,Tag2> sum;
196 std::vector< PHX::MDField<ScalarT,Tag0,Tag1,Tag2> > values;
197};
198*/
199
203template<typename EvalT, typename TRAITS,typename Tag0,typename Tag1,typename Tag2>
204Teuchos::RCP<PHX::Evaluator<TRAITS> >
205buildStaticSumEvaluator(const std::string & sum_name,
206 const std::vector<std::string> & value_names,
207 const Teuchos::RCP<PHX::DataLayout> & data_layout);
208
209}
210
211#endif
Wrapper to PHX::EvaluatorWithBaseImpl that implements Panzer-specific helpers.
std::vector< PHX::MDField< const ScalarT, Tag0, Tag1 > > values
Definition: Panzer_Sum.hpp:171
PHX::MDField< const ScalarT, Tag0, Tag1 > current_value
Definition: Panzer_Sum.hpp:177
PHX::MDField< ScalarT, Tag0, Tag1 > sum
Definition: Panzer_Sum.hpp:170
std::vector< PHX::MDField< const ScalarT, Tag0 > > values
Definition: Panzer_Sum.hpp:133
SumStatic(const Teuchos::ParameterList &p)
EvalT::ScalarT ScalarT
Definition: Panzer_Sum.hpp:120
void evaluateFields(typename TRAITS::EvalData d)
PHX::View< const double * > scalars
Definition: Panzer_Sum.hpp:95
static const int MAX_VALUES
Definition: Panzer_Sum.hpp:89
KOKKOS_INLINE_FUNCTION void operator()(PanzerSumTag< RANK >, const int &i) const
PHX::MDField< const ScalarT > values[MAX_VALUES]
Definition: Panzer_Sum.hpp:94
std::size_t cell_data_size
Definition: Panzer_Sum.hpp:97
typename EvalT::ScalarT ScalarT
Definition: Panzer_Sum.hpp:88
void evaluateFields(typename Traits::EvalData d)
PHX::MDField< ScalarT > sum
Definition: Panzer_Sum.hpp:91
void postRegistrationSetup(typename Traits::SetupData d, PHX::FieldManager< Traits > &fm)
Teuchos::RCP< PHX::Evaluator< TRAITS > > buildStaticSumEvaluator(const std::string &sum_name, const std::vector< std::string > &value_names, const Teuchos::RCP< PHX::DataLayout > &data_layout)