58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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#ifndef ALSK_ALSK_IMPL_BONE_ITERSEL_H
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#define ALSK_ALSK_IMPL_BONE_ITERSEL_H
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#include <cmath>
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#include <thread>
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#include <vector>
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#include "../boneimplbase.h"
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#include "../../skeleton/bone/itersel.h"
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namespace alsk {
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/**
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* @brief IterSel implementation for any execution
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*/
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template<typename R, typename... Args, typename... Tasks, typename Tag, typename Executor, typename State>
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struct Impl<IterSel<R(Args...), Tasks...>, Tag, Executor, State>:
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BoneImplBase<IterSel<R(Args...), Tasks...>, Tag, Executor, State>
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{
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using This = Impl;
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using Task = Execute<typename This::Skeleton::TaskLinks>;
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using Select = Execute<typename This::Skeleton::SelectLinks>;
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typename This::Skeleton skeleton;
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typename This::Executor executor;
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typename This::StateRef state;
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constexpr Impl() = default;
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template<typename S, typename O>
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constexpr Impl(S&& skeleton, O&& executor, State& state):
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skeleton{std::forward<S>(skeleton)},
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executor{std::forward<O>(executor)},
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state{state}
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{}
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// TODO check repeatability with tag::Parallel
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constexpr typename This::Return operator()(Args... args) {
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using Value = typename This::Return;
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auto tupleP = std::forward_as_tuple(args...);
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Value best = ArgGet<arg::P<0>>::get(tupleP, std::tuple<>{}, std::tuple<>{});
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for(std::size_t i = 0; i < skeleton.n; ++i) {
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Value current = executor.template execute<Task>(*this, skeleton.task, tupleP, std::tuple<>{}, best);
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best = executor.template execute<Select>(
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*this, skeleton.select, tupleP, std::tuple<>{}, std::move(current), std::move(best)
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);
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}
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return best;
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}
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};
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}
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#endif
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