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38 lines
897 B
C++
38 lines
897 B
C++
// SPDX-License-Identifier: MIT
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// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
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#pragma once
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#include "ck/utility/tuple.hpp"
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namespace ck {
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template <index_t... Is>
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__host__ __device__ constexpr auto make_sequence(Number<Is>...)
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{
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return Sequence<Is...>{};
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}
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// F returns index_t
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template <typename F, index_t N>
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__host__ __device__ constexpr auto generate_sequence(F, Number<N>)
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{
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return typename sequence_gen<N, F>::type{};
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}
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// F returns Number<>
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template <typename F, index_t N>
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__host__ __device__ constexpr auto generate_sequence_v2(F&& f, Number<N>)
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{
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return unpack([&f](auto&&... xs) { return make_sequence(f(xs)...); },
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typename arithmetic_sequence_gen<0, N, 1>::type{});
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}
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template <index_t... Is>
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__host__ __device__ constexpr auto to_sequence(Tuple<Number<Is>...>)
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{
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return Sequence<Is...>{};
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}
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} // namespace ck
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