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Stokhos_Cuda_StochasticProductTensor.hpp
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41
42#ifndef STOKHOS_CUDA_STOCHASTICPRODUCTTENSOR_HPP
43#define STOKHOS_CUDA_STOCHASTICPRODUCTTENSOR_HPP
44
45#include "Kokkos_Core.hpp"
46
47#include "Stokhos_Multiply.hpp"
50
51namespace Stokhos {
52
53//----------------------------------------------------------------------------
54//----------------------------------------------------------------------------
55
56template< typename TensorScalar ,
57 typename MatrixScalar ,
58 typename VectorScalar ,
59 typename TensorType >
62 StochasticProductTensor<TensorScalar, TensorType, Kokkos::Cuda>,
63 MatrixScalar, Kokkos::Cuda> ,
64 Kokkos::View<VectorScalar**, Kokkos::LayoutLeft, Kokkos::Cuda>,
65 Kokkos::View<VectorScalar**, Kokkos::LayoutLeft, Kokkos::Cuda> >
66{
67public:
68
69 typedef Kokkos::Cuda execution_space ;
70 typedef execution_space::size_type size_type ;
71
72 typedef StochasticProductTensor< TensorScalar , TensorType , Kokkos::Cuda > tensor_type ;
73 typedef BlockCrsMatrix< tensor_type, MatrixScalar, execution_space > matrix_type ;
74 typedef Kokkos::View< VectorScalar** , Kokkos::LayoutLeft , Kokkos::Cuda > vector_type ;
75
76
77 static void apply( const matrix_type & A ,
78 const vector_type & x ,
79 const vector_type & y )
80 {
81 typedef BlockCrsMatrix< TensorType, MatrixScalar , Kokkos::Cuda > base_matrix_type ;
82
83 typedef Multiply< base_matrix_type , vector_type , vector_type >
84 base_multiply_type ;
85
86 base_matrix_type base_matrix ;
87
88 base_matrix.values = A.values ;
89 base_matrix.graph = A.graph ;
90 base_matrix.block = A.block.tensor();
91
92 base_multiply_type::apply( base_matrix , x , y );
93 }
94};
95
96//----------------------------------------------------------------------------
97//----------------------------------------------------------------------------
98
99} // namespace Stokhos
100
101#endif /* #ifndef STOKHOS_CUDA_STOCHASTICPRODUCTTENSOR_HPP */
CRS matrix of dense blocks.
Bases defined by combinatorial product of polynomial bases.
Top-level namespace for Stokhos classes and functions.