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Kokkos_Random_UQ_PCE.hpp
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41
42#ifndef KOKKOS_RANDOM_UQ_PCE_HPP
43#define KOKKOS_RANDOM_UQ_PCE_HPP
44
45#include "Stokhos_ConfigDefs.h"
46#if defined(HAVE_STOKHOS_KOKKOSALGORITHMS)
47
48#include "Sacado_UQ_PCE.hpp"
50#include "Kokkos_Random.hpp"
51
52//----------------------------------------------------------------------------
53// Specializations of Kokkos random functions for Sacado::UQ::PCE scalar type
54//----------------------------------------------------------------------------
55
56namespace Kokkos {
57
58 template<class Generator, class Storage>
59 struct rand<Generator,Sacado::UQ::PCE<Storage> > {
61 typedef typename Scalar::value_type BaseScalar;
62 typedef rand<Generator,BaseScalar> BaseRand;
63
64 KOKKOS_INLINE_FUNCTION
65 static Scalar max() { return BaseRand::max(); }
66
67 KOKKOS_INLINE_FUNCTION
68 static Scalar draw(Generator& gen) {
69 return BaseRand::draw(gen);
70 }
71
72 KOKKOS_INLINE_FUNCTION
73 static Scalar draw(Generator& gen, const Scalar& range) {
74 return BaseRand::draw(gen, range.coeff(0));
75 }
76
77 KOKKOS_INLINE_FUNCTION
78 static Scalar draw(Generator& gen, const Scalar& start, const Scalar& end) {
79 return BaseRand::draw(gen, start.coeff(0), end.coeff(0));
80 }
81 };
82
83 template<class S, class ... P, class RandomPool>
84 void fill_random( const View<Sacado::UQ::PCE<S>**,P...>& a,
85 RandomPool g,
86 const Sacado::UQ::PCE<S>& begin,
87 const Sacado::UQ::PCE<S>& end ) {
88 typedef View<Sacado::UQ::PCE<S>**,P...> Vector;
89 typename Kokkos::FlatArrayType<Vector>::type a_flat = a;
90 fill_random( a_flat, g, begin.fastAccessCoeff(0), end.fastAccessCoeff(0) );
91 }
92
93}
94
95#endif
96
97#endif /* #ifndef KOKKOS_RANDOM_UQ_PCE_HPP */
ScalarType g(const Teuchos::Array< ScalarType > &x, const ScalarType &y)
KOKKOS_INLINE_FUNCTION PCE< Storage > max(const typename PCE< Storage >::value_type &a, const PCE< Storage > &b)