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Panzer_STK_Utilities.hpp
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42 
43 #ifdef PANZER_HAVE_EPETRA_STACK
44 
45 #ifndef __Panzer_STK_Utilities_hpp__
46 #define __Panzer_STK_Utilities_hpp__
47 
48 #include "Panzer_STK_Interface.hpp"
49 
50 #include "Epetra_Vector.h"
51 #include "Epetra_MultiVector.h"
52 
53 namespace panzer {
54  class GlobalIndexer;
55 }
56 
57 namespace panzer_stk {
58 
67 void write_cell_data(panzer_stk::STK_Interface & mesh,const std::vector<double> & data,const std::string & fieldName);
68 
69 void write_solution_data(const panzer::GlobalIndexer& dofMngr,panzer_stk::STK_Interface & mesh,const Epetra_MultiVector & x,const std::string & prefx="",const std::string & postfix="");
70 void write_solution_data(const panzer::GlobalIndexer& dofMngr,panzer_stk::STK_Interface & mesh,const Epetra_Vector & x,const std::string & prefix="",const std::string & postfix="");
71 
78 template <typename RAContainer,class Compare>
79 void sorted_permutation(const RAContainer & cont,std::vector<std::size_t> & permutation,const Compare & comp);
80 
87 template <typename RAContainer>
88 void sorted_permutation(const RAContainer & cont,std::vector<std::size_t> & permutation);
89 
90 }
91 
92 namespace panzer_stk {
93 // utility class used by the sorted permutation objects
94 template <typename RAContainer,typename Compare>
95 struct PermFunctor {
96  PermFunctor(const RAContainer & cont,const Compare & comp)
97  : compare(comp), values(cont) {}
98  PermFunctor(const PermFunctor & p)
99  : compare(p.compare), values(p.values) {}
100 
101  bool operator()(std::size_t a,std::size_t b) const
102  { return compare(values[a],values[b]); }
103 
104 private:
105  const Compare & compare;
106  const RAContainer & values;
107 
108  PermFunctor();
109 };
110 
111 template <typename RAContainer>
112 void sorted_permutation(const RAContainer & cont,std::vector<std::size_t> & permutation)
113 {
114  std::less<typename RAContainer::value_type> comp;
115  sorted_permutation(cont,permutation,comp);
116 }
117 
118 template <typename RAContainer,class Compare>
119 void sorted_permutation(const RAContainer & cont,std::vector<std::size_t> & permutation,const Compare & comp)
120 {
121  PermFunctor<RAContainer,Compare> pf(cont,comp);
122 
123  permutation.resize(cont.size());
124  for(std::size_t i=0;i<cont.size();i++)
125  permutation[i] = i;
126 
127  std::sort(permutation.begin(),permutation.end(),pf);
128 }
129 
130 }
131 
132 #endif
133 
134 #endif // PANZER_HAVE_EPETRA_STACK