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composable_kernel/include/ck/utility/sequence_helper.hpp
Chao Liu 5d37d7bff4 Reorganize files, Part 1 (#119)
* delete obselete files

* move files

* build

* update cmake

* update cmake

* fix build

* reorg examples

* update cmake for example and test
2022-03-08 21:46:36 -06:00

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831 B
C++

#ifndef CK_SEQUENCE_HELPER_HPP
#define CK_SEQUENCE_HELPER_HPP
#include "tuple.hpp"
namespace ck {
template <index_t... Is>
__host__ __device__ constexpr auto make_sequence(Number<Is>...)
{
return Sequence<Is...>{};
}
// F returns index_t
template <typename F, index_t N>
__host__ __device__ constexpr auto generate_sequence(F, Number<N>)
{
return typename sequence_gen<N, F>::type{};
}
// F returns Number<>
template <typename F, index_t N>
__host__ __device__ constexpr auto generate_sequence_v2(F&& f, Number<N>)
{
return unpack([&f](auto&&... xs) { return make_sequence(f(xs)...); },
typename arithmetic_sequence_gen<0, N, 1>::type{});
}
template <index_t... Is>
__host__ __device__ constexpr auto to_sequence(Tuple<Number<Is>...>)
{
return Sequence<Is...>{};
}
} // namespace ck
#endif