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Stokhos_BasisInteractionGraph.hpp
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43
44#ifndef STOKHOS_BASIS_INTERACTION_GRAPH_HPP
45#define STOKHOS_BASIS_INTERACTION_GRAPH_HPP
46
49#include "Teuchos_RCP.hpp"
50
51#include <vector>
52
53namespace Stokhos {
54
56 public:
59 BasisInteractionGraph(const Stokhos::OrthogPolyBasis<int,double> & max_basis,bool onlyUseLinear=false,int porder=-1);
61 const Stokhos::ProductBasis<int,double> & rowBasis,
62 const Stokhos::ProductBasis<int,double> & colBasis,bool onlyUseLinear=false,int porder=-1);
63
66 bool onlyUseLinear=false,int porder=-1);
67
70 const Stokhos::ProductBasis<int,double> & rowBasis,
71 const Stokhos::ProductBasis<int,double> & colBasis,bool onlyUseLinear=false,int porder=-1);
72
76 int porder=-1);
77
79 void initialize(const Stokhos::ProductBasis<int,double> & max_basis,
81 const Stokhos::ProductBasis<int,double> & rowBasis,
82 const Stokhos::ProductBasis<int,double> & colBasis,int porder=-1);
83
85 const std::vector<std::size_t> & activeIndices(std::size_t i) const
86 { return vecLookup_[i]; }
87
89 bool operator()(std::size_t i,std::size_t j) const;
90
92 std::size_t numNonZeros() const;
93
95 std::size_t rowCount() const
96 { return vecLookup_.size(); }
97
99 std::size_t colCount() const
100 { return numCols_; }
101
102 void printGraph(std::ostream & os) const;
103
104 protected:
105 std::size_t numCols_;
106
107 std::vector<std::vector<std::size_t> > vecLookup_;
108
110 };
111
112} // namespace Stokhos
113
114#endif // STOKHOS_BASIS_INTERACTION_GRAPH_HPP
void initialize(const Stokhos::OrthogPolyBasis< int, double > &max_basis, const Stokhos::Sparse3Tensor< int, double > &Cijk, int porder=-1)
Setup the lookup graph.
std::vector< std::vector< std::size_t > > vecLookup_
bool operator()(std::size_t i, std::size_t j) const
Is there an entry for (i,j) in the graph.
const std::vector< std::size_t > & activeIndices(std::size_t i) const
Grab active indicies in graph for row i.
std::size_t numNonZeros() const
How many non zeros are in this graph.
std::size_t rowCount() const
What is the number of rows.
std::size_t colCount() const
What is the number of columns.
Abstract base class for multivariate orthogonal polynomials.
Abstract base class for multivariate orthogonal polynomials generated from tensor products of univari...
Data structure storing a sparse 3-tensor C(i,j,k) in a a compressed format.
Top-level namespace for Stokhos classes and functions.