2017-07-27 14:48:41 +02:00
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// -*- C++ -*-
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2017-08-04 11:27:47 +02:00
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#ifndef __pack_num_h__
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#define __pack_num_h__
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2017-07-27 14:48:41 +02:00
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#include <cstdlib>
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2017-12-18 11:19:04 +01:00
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//#include <type_traits>
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2017-07-27 14:48:41 +02:00
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#include <tuple>
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2017-12-18 11:19:04 +01:00
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#include <ostream>
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2017-07-27 14:48:41 +02:00
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2017-08-04 11:27:47 +02:00
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#include "base_def.h"
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2017-07-27 14:48:41 +02:00
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namespace MultiArrayHelper
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{
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2017-12-17 17:40:55 +01:00
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2017-07-27 14:48:41 +02:00
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template <size_t N>
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struct PackNum
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{
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2017-12-18 11:19:04 +01:00
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2017-08-30 17:56:38 +02:00
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template <class... Ops>
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static void makeBlockTypeVec(std::vector<std::pair<BlockType,size_t> >& btv,
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const std::tuple<Ops...>& ops,
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2017-12-11 18:49:43 +01:00
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std::shared_ptr<VIWB> idxPtr)
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2017-08-30 17:56:38 +02:00
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{
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2017-09-09 19:59:09 +02:00
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auto subvec = std::move( std::get<N>(ops).block(idxPtr) );
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2017-08-30 17:56:38 +02:00
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btv.insert(btv.end(), subvec.begin(), subvec.end() );
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2017-12-18 13:13:13 +01:00
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PackNum<N-1>::makeBlockTypeVec(btv, ops, idxPtr);
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2017-08-30 17:56:38 +02:00
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}
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2017-09-11 12:54:24 +02:00
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2017-12-17 17:40:55 +01:00
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template <typename T, class Func, class ArgTuple, class... Args>
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static BlockResult<T> unpackArgs(const ArgTuple& tp, const Args&... args)
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{
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2017-12-18 13:13:13 +01:00
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return PackNum<N-1>::template unpackArgs<T,Func>(tp, std::get<N>(tp).get(), args...);
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2017-12-17 17:40:55 +01:00
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}
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2017-09-11 12:54:24 +02:00
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template <typename... T>
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static void printTuple(std::ostream& out, const std::tuple<T...>& tp){
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out << std::get<sizeof...(T)-N-1>(tp) << ", ";
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PackNum<N-1>::printTuple(out, tp);
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}
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2017-12-05 17:31:57 +01:00
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2017-07-27 14:48:41 +02:00
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};
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template<>
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struct PackNum<0>
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{
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2017-08-11 15:26:10 +02:00
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template <typename T, class Func, class ArgTuple, class... Args>
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2017-09-09 19:59:09 +02:00
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static BlockResult<T> unpackArgs(const ArgTuple& tp, const Args&... args)
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2017-08-11 15:26:10 +02:00
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{
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static_assert(sizeof...(Args) == std::tuple_size<ArgTuple>::value-1,
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"inconsistent number of arguments");
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2017-10-31 19:22:34 +01:00
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static BlockBinaryOp<T,Func,decltype(std::get<0>(tp).get()), decltype(args)...> f;
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2017-08-11 15:26:10 +02:00
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return f(std::get<0>(tp).get(), args...);
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}
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2017-07-27 20:34:14 +02:00
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2017-08-30 17:56:38 +02:00
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template <class... Ops>
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static void makeBlockTypeVec(std::vector<std::pair<BlockType,size_t> >& btv,
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const std::tuple<Ops...>& ops,
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2017-12-11 18:49:43 +01:00
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std::shared_ptr<VIWB> idxPtr)
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2017-08-30 17:56:38 +02:00
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{
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2017-09-09 19:59:09 +02:00
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auto subvec = std::move( std::get<0>(ops).block(idxPtr) );
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2017-08-30 17:56:38 +02:00
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btv.insert(btv.end(), subvec.begin(), subvec.end() );
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}
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2017-12-18 11:19:04 +01:00
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2017-09-11 12:54:24 +02:00
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template <typename... T>
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static void printTuple(std::ostream& out, const std::tuple<T...>& tp){
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out << std::get<sizeof...(T)-1>(tp);
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}
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2017-12-15 14:47:02 +01:00
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2017-07-27 14:48:41 +02:00
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};
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2017-09-12 18:36:05 +02:00
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2017-07-27 14:48:41 +02:00
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} // end namespace MultiArrayHelper
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2017-08-04 11:27:47 +02:00
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#endif
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