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Stokhos_Ifpack2_MP_Vector.hpp
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41
42#ifndef STOKHOS_IFPACK2_MP_VECTOR_HPP
43#define STOKHOS_IFPACK2_MP_VECTOR_HPP
44
45// This header file should be included whenever compiling any Ifpack2
46// code with Stokhos scalar types
47
48// MP includes and specializations
50
51// Specialization of LocalReciprocalThreshold functor in
52// Ifpack2_Details_Chebyshev_def.hpp
53namespace Ifpack2 {
54namespace Details {
55
56template<class XV, class SizeType>
57struct LocalReciprocalThreshold;
58
59template<class S, class ... P, class SizeType>
61 Kokkos::View< Sacado::MP::Vector<S>*,P...>, SizeType > {
62 typedef Kokkos::View<Sacado::MP::Vector<S>*,P...> XV;
63
64 static void
65 compute (const XV& X,
66 const typename XV::non_const_value_type& minVal)
67 {
68 if (!Sacado::is_constant(minVal)) {
70 "LocalReciprocalThreshold not implemented for non-constant minVal");
71 }
72
73 typedef typename Kokkos::FlatArrayType<XV>::type Flat_XV;
74 Flat_XV flat_X = X;
76 minVal.coeff(0) );
77 }
78};
79
80}
81}
82
83#endif // STOKHOS_IFPACK2_MP_VECTOR_HPP
KOKKOS_INLINE_FUNCTION void raise_error(const char *msg)
KOKKOS_INLINE_FUNCTION bool is_constant(const T &x)