/usr/include/trilinos/impl/Kokkos_AnalyzePolicy.hpp is in libtrilinos-kokkos-dev 12.12.1-5.
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// Kokkos v. 2.0
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#ifndef KOKKOS_IMPL_ANALYZE_POLICY_HPP
#define KOKKOS_IMPL_ANALYZE_POLICY_HPP
#include <Kokkos_Core_fwd.hpp>
#include <Kokkos_Concepts.hpp>
#include <impl/Kokkos_Tags.hpp>
namespace Kokkos { namespace Impl {
template < typename ExecutionSpace = void
, typename Schedule = void
, typename WorkTag = void
, typename IndexType = void
, typename IterationPattern = void
>
struct PolicyTraitsBase
{
using type = PolicyTraitsBase< ExecutionSpace, Schedule, WorkTag, IndexType, IterationPattern>;
using execution_space = ExecutionSpace;
using schedule_type = Schedule;
using work_tag = WorkTag;
using index_type = IndexType;
using iteration_pattern = IterationPattern;
};
template <typename PolicyBase, typename ExecutionSpace>
struct SetExecutionSpace
{
static_assert( is_void<typename PolicyBase::execution_space>::value
, "Kokkos Error: More than one execution space given" );
using type = PolicyTraitsBase< ExecutionSpace
, typename PolicyBase::schedule_type
, typename PolicyBase::work_tag
, typename PolicyBase::index_type
, typename PolicyBase::iteration_pattern
>;
};
template <typename PolicyBase, typename Schedule>
struct SetSchedule
{
static_assert( is_void<typename PolicyBase::schedule_type>::value
, "Kokkos Error: More than one schedule type given" );
using type = PolicyTraitsBase< typename PolicyBase::execution_space
, Schedule
, typename PolicyBase::work_tag
, typename PolicyBase::index_type
, typename PolicyBase::iteration_pattern
>;
};
template <typename PolicyBase, typename WorkTag>
struct SetWorkTag
{
static_assert( is_void<typename PolicyBase::work_tag>::value
, "Kokkos Error: More than one work tag given" );
using type = PolicyTraitsBase< typename PolicyBase::execution_space
, typename PolicyBase::schedule_type
, WorkTag
, typename PolicyBase::index_type
, typename PolicyBase::iteration_pattern
>;
};
template <typename PolicyBase, typename IndexType>
struct SetIndexType
{
static_assert( is_void<typename PolicyBase::index_type>::value
, "Kokkos Error: More than one index type given" );
using type = PolicyTraitsBase< typename PolicyBase::execution_space
, typename PolicyBase::schedule_type
, typename PolicyBase::work_tag
, IndexType
, typename PolicyBase::iteration_pattern
>;
};
template <typename PolicyBase, typename IterationPattern>
struct SetIterationPattern
{
static_assert( is_void<typename PolicyBase::iteration_pattern>::value
, "Kokkos Error: More than one iteration_pattern given" );
using type = PolicyTraitsBase< typename PolicyBase::execution_space
, typename PolicyBase::schedule_type
, typename PolicyBase::work_tag
, typename PolicyBase::index_type
, IterationPattern
>;
};
template <typename Base, typename... Traits>
struct AnalyzePolicy;
template <typename Base, typename T, typename... Traits>
struct AnalyzePolicy<Base, T, Traits...> : public
AnalyzePolicy<
typename std::conditional< is_execution_space<T>::value , SetExecutionSpace<Base,T>
, typename std::conditional< is_schedule_type<T>::value , SetSchedule<Base,T>
, typename std::conditional< is_index_type<T>::value , SetIndexType<Base,T>
, typename std::conditional< std::is_integral<T>::value , SetIndexType<Base, IndexType<T> >
, typename std::conditional< is_iteration_pattern<T>::value, SetIterationPattern<Base,T>
, SetWorkTag<Base,T>
>::type >::type >::type >::type>::type::type
, Traits...
>
{};
template <typename Base>
struct AnalyzePolicy<Base>
{
using execution_space = typename std::conditional< is_void< typename Base::execution_space >::value
, DefaultExecutionSpace
, typename Base::execution_space
>::type;
using schedule_type = typename std::conditional< is_void< typename Base::schedule_type >::value
, Schedule< Static >
, typename Base::schedule_type
>::type;
using work_tag = typename Base::work_tag;
using index_type = typename std::conditional< is_void< typename Base::index_type >::value
, IndexType< typename execution_space::size_type >
, typename Base::index_type
>::type
::type // nasty hack to make index_type into an integral_type
; // instead of the wrapped IndexType<T> for backwards compatibility
using iteration_pattern = typename std::conditional< is_void< typename Base::iteration_pattern >::value
, void // TODO set default iteration pattern
, typename Base::iteration_pattern
>::type;
using type = PolicyTraitsBase< execution_space
, schedule_type
, work_tag
, index_type
, iteration_pattern
>;
};
template <typename... Traits>
struct PolicyTraits
: public AnalyzePolicy< PolicyTraitsBase<>, Traits... >::type
{};
}} // namespace Kokkos::Impl
#endif //KOKKOS_IMPL_ANALYZE_POLICY_HPP
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