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Stokhos_SparseGridQuadrature.hpp
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6// Stokhos Package
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43
44#ifndef STOKHOS_SPARSEGRIDQUADRATURE
45#define STOKHOS_SPARSEGRIDQUADRATURE
46
47#include "Stokhos_ConfigDefs.h"
48#ifdef HAVE_STOKHOS_DAKOTA
49
52#include "Teuchos_RCP.hpp"
53#include "pecos_global_defs.hpp"
54
55namespace Stokhos {
56
66 template <typename ordinal_type, typename value_type>
67 class SparseGridQuadrature : public Quadrature<ordinal_type,value_type> {
68 public:
69
71
77 SparseGridQuadrature(
78 const Teuchos::RCP<const ProductBasis<ordinal_type,value_type> >& product_basis,
79 ordinal_type sparse_grid_level = 0,
80 value_type duplicate_tol = 1.0e-12,
81 ordinal_type growth_rate = Pecos::SLOW_RESTRICTED_GROWTH);
82
84 virtual ~SparseGridQuadrature() {}
85
87 virtual ordinal_type size() const { return quad_weights.size(); }
88
90
94 virtual const Teuchos::Array< Teuchos::Array<value_type> >&
95 getQuadPoints() const;
96
98
101 virtual const Teuchos::Array<value_type>&
102 getQuadWeights() const;
103
105
109 virtual const Teuchos::Array< Teuchos::Array<value_type> > &
110 getBasisAtQuadPoints() const;
111
113 virtual std::ostream& print(std::ostream& os) const;
114
115 private:
116
117 // Prohibit copying
118 SparseGridQuadrature(const SparseGridQuadrature&);
119
120 // Prohibit Assignment
121 SparseGridQuadrature& operator=(const SparseGridQuadrature& b);
122
123 static void getMyPoints( int order, int dim, double x[] );
124
125 static void getMyWeights( int order, int dim, double w[] );
126
127 protected:
128
130 Teuchos::Array< Teuchos::RCP<const OneDOrthogPolyBasis<ordinal_type,value_type> > > coordinate_bases;
131
133 Teuchos::Array< Teuchos::Array<value_type> > quad_points;
134
136 Teuchos::Array<value_type> quad_weights;
137
139 Teuchos::Array< Teuchos::Array<value_type> > quad_values;
140
142 static SparseGridQuadrature *sgq;
143
144 }; // class SparseGridQuadrature
145
146} // namespace Stokhos
147
148// Include template definitions
150
151#endif // HAVE_STOKHOS_DAKOTA
152
153#endif // STOKHOS_SPARSEGRIDQUADRATURE
Top-level namespace for Stokhos classes and functions.