676 lines
19 KiB
C++
676 lines
19 KiB
C++
// -*- C++ -*-
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#ifndef __cxz_multi_range_h__
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#define __cxz_multi_range_h__
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#include <cstdlib>
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#include <tuple>
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#include <memory>
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#include <map>
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#include "ranges/range_base.h"
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#include "ranges/index_base.h"
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#include "ranges/range_helper.h"
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#include "ranges/multi_range_factory_product_map.h"
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#include "ranges/x_to_string.h"
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#include "ranges/type_map.h"
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#include "statics/static_for.h"
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namespace CNORXZ
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{
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namespace
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{
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using namespace CNORXZInternal;
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}
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template <class... Indices>
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class MultiIndex : public IndexInterface<MultiIndex<Indices...>,
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std::tuple<typename Indices::MetaType...> >
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{
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public:
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typedef IndexInterface<MultiIndex<Indices...>,
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std::tuple<typename Indices::MetaType...> > IB;
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typedef std::tuple<std::shared_ptr<Indices>...> IndexPack;
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typedef std::tuple<typename Indices::MetaType...> MetaType;
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typedef MultiRange<typename Indices::RangeType...> RangeType;
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typedef MultiIndex IType;
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static constexpr IndexType sType() { return IndexType::MULTI; }
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static constexpr size_t sDim() { return sizeof...(Indices); }
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static constexpr size_t totalDim() { return (... * Indices::totalDim()); }
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static constexpr SpaceType STYPE = SpaceType::ANY;
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static constexpr bool PARALLEL = std::tuple_element<0,std::tuple<Indices...>>::type::PARALLEL;
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private:
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IndexPack mIPack;
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std::array<size_t,sizeof...(Indices)+1> mBlockSizes;
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public:
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const IndexPack& pack() const { return mIPack; }
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MultiIndex() = delete;
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// NO DEFAULT HERE !!!
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// ( have to assign sub-indices (ptr!) correctly )
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template <class MRange>
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MultiIndex(const std::shared_ptr<MRange>& range);
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template <size_t DIR>
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MultiIndex& up();
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template <size_t DIR>
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MultiIndex& down();
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template <size_t N>
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auto get() const -> decltype( *std::get<N>( mIPack ) )&;
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template <size_t N>
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auto getPtr() const -> decltype( std::get<N>( mIPack ) )&;
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template <size_t N>
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size_t getBlockSize() const { return std::get<N>(mBlockSizes); }
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// raplace instances (in contrast to its analogon in ConstContainerIndex
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// MultiIndices CANNOT be influences be its subindices, so there is
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// NO foreign/external controll)
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// Do NOT share index instances between two or more MultiIndex instances
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MultiIndex& operator()(std::shared_ptr<Indices>&... indices);
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MultiIndex& operator()(const std::tuple<std::shared_ptr<Indices>...>& indices);
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// ==== >>>>> STATIC POLYMORPHISM <<<<< ====
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IndexType type() const;
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MultiIndex& operator=(size_t pos);
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MultiIndex& operator++();
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MultiIndex& operator--();
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int pp(std::intptr_t idxPtrNum);
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int mm(std::intptr_t idxPtrNum);
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std::string stringMeta() const;
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MetaType meta() const;
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MultiIndex& at(const MetaType& metaPos);
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size_t dim();
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bool first();
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bool last();
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std::shared_ptr<RangeType> range();
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template <size_t N>
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auto getPtr() -> decltype( std::get<N>( mIPack ) )&;
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size_t getStepSize(size_t n);
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template <class Exprs>
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auto ifor(size_t step, Exprs exs) const;
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template <class Exprs>
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auto iforh(size_t step, Exprs exs) const;
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template <class Exprs>
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auto pifor(size_t step, Exprs exs) const;
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};
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/*************************
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* MultiRangeFactory *
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*************************/
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// NOT THREAD SAVE
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template <class... Ranges>
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class MultiRangeFactory : public RangeFactoryBase
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{
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public:
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typedef MultiRange<Ranges...> oType;
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MultiRangeFactory() = delete;
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MultiRangeFactory(const std::shared_ptr<Ranges>&... rs);
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MultiRangeFactory(const typename MultiRange<Ranges...>::Space& space);
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virtual std::shared_ptr<RangeBase> create() override;
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private:
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std::shared_ptr<RangeBase> checkIfCreated(const std::tuple<std::shared_ptr<Ranges>...>& ptp);
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};
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/******************
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* MultiRange *
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******************/
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template <class... Ranges>
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class MultiRange : public RangeInterface<MultiIndex<typename Ranges::IndexType...> >
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{
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public:
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typedef RangeBase RB;
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typedef std::tuple<std::shared_ptr<Ranges>...> Space;
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typedef MultiIndex<typename Ranges::IndexType...> IndexType;
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typedef std::tuple<typename Ranges::IndexType::MetaType...> MetaType;
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typedef MultiRange RangeType;
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typedef MultiRangeFactory<Ranges...> FType;
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protected:
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MultiRange() = delete;
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MultiRange(const MultiRange& in) = delete;
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MultiRange& operator=(const MultiRange& in) = delete;
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MultiRange(const std::shared_ptr<Ranges>&... rs);
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MultiRange(const Space& space);
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Space mSpace;
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public:
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static const size_t sdim = sizeof...(Ranges);
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template <size_t N>
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auto get() const -> decltype( *std::get<N>( mSpace ) )&;
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size_t getMeta(const MetaType& metaPos) const;
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template <size_t N>
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auto getPtr() const -> decltype( std::get<N>( mSpace ) )&;
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virtual std::shared_ptr<RangeBase> sub(size_t num) const override;
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virtual size_t dim() const final;
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virtual size_t size() const final;
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virtual SpaceType spaceType() const final;
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virtual DataHeader dataHeader() const final;
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virtual vector<size_t> typeNum() const final;
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virtual size_t cmeta(char* target, size_t pos) const final;
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virtual size_t cmetaSize() const final;
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virtual std::string stringMeta(size_t pos) const final;
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virtual vector<char> data() const final;
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const Space& space() const;
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virtual IndexType begin() const final;
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virtual IndexType end() const final;
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template <class... ERanges>
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auto cat(const std::shared_ptr<MultiRange<ERanges...> >& erange)
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-> std::shared_ptr<MultiRange<Ranges...,ERanges...> >;
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friend MultiRangeFactory<Ranges...>;
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static constexpr bool HASMETACONT = false;
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static constexpr bool defaultable = false;
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static constexpr size_t ISSTATIC = (... & Ranges::ISSTATIC);
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static constexpr size_t SIZE = (... * Ranges::SIZE);
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};
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}
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/* ========================= *
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* --- TEMPLATE CODE --- *
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* ========================= */
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namespace CNORXZ
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{
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namespace
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{
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using namespace CNORXZInternal;
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}
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// -> define in range_base.cc
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std::shared_ptr<RangeFactoryBase> mkMULTI(const char** dp);
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/******************
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* MultiIndex *
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******************/
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template <class... Indices>
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template <class MRange>
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MultiIndex<Indices...>::MultiIndex(const std::shared_ptr<MRange>& range) :
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IndexInterface<MultiIndex<Indices...>,std::tuple<typename Indices::MetaType...> >(range, 0)
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{
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std::get<sizeof...(Indices)>(mBlockSizes) = 1;
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sfor_mn<sizeof...(Indices),0>
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( [&](auto i) {
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auto r = range->template getPtr<i>();
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std::get<i>(mIPack) = r->beginPtr();
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*std::get<i>(mIPack) = 0;
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std::get<i>(mBlockSizes) = sfor_p<i,sizeof...(Indices)>
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( [&](auto j) { return std::get<j>(mIPack)->max(); } ,
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[&](auto a, auto b) { return a * b; });
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return 0;
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});
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IB::mPos = sfor_m<sizeof...(Indices),0>
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( [&](auto i) { return std::get<i>(mIPack); },
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[&](auto a, auto b) {return a->pos() + b*a->max();}, 0 );
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}
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template <class... Indices>
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template <size_t DIR>
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MultiIndex<Indices...>& MultiIndex<Indices...>::up()
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{
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static_assert(DIR < sizeof...(Indices), "DIR exceeds number of sub-indices");
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IB::mPos += sfor_p<DIR,sizeof...(Indices)>
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( [&](auto i) { return std::get<i>(mIPack)->max(); },
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[&](auto a, auto b) { return a * b; } );
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sfor_m<DIR+1,0>
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( [&](auto i) {
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auto& si = *std::get<i>( mIPack );
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if(si.last() and i != 0) { si = 0; return true; }
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else { ++si; return false; }
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return false;
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} );
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return *this;
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}
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template <class... Indices>
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template <size_t DIR>
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MultiIndex<Indices...>& MultiIndex<Indices...>::down()
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{
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static_assert(DIR < sizeof...(Indices), "DIR exceeds number of sub-indices");
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IB::mPos -= sfor_p<DIR,sizeof...(Indices)>
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( [&](auto i) { return std::get<i>(mIPack)->max(); },
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[&](auto a, auto b) { return a * b; } );
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sfor_m<DIR+1,0>
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( [&](auto i) {
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auto& si = *std::get<i>( mIPack );
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if(si.first() and i != 0) { si = si.max()-1; return true; }
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else { --si; return false; }
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return false;
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} );
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return *this;
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}
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template <class... Indices>
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template <size_t N>
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auto MultiIndex<Indices...>::get() const -> decltype( *std::get<N>( mIPack ) )&
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{
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return *std::get<N>(mIPack);
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}
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template <class... Indices>
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template <size_t N>
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auto MultiIndex<Indices...>::getPtr() const -> decltype( std::get<N>( mIPack ) )&
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{
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return std::get<N>(mIPack);
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}
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template <class... Indices>
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MultiIndex<Indices...>& MultiIndex<Indices...>::operator()(std::shared_ptr<Indices>&... indices)
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{
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return (*this)(std::make_tuple(indices...));
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}
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template <class... Indices>
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MultiIndex<Indices...>& MultiIndex<Indices...>::operator()(const std::tuple<std::shared_ptr<Indices>...>& indices)
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{
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sfor_pn<0,sizeof...(Indices)>
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( [&](auto i) { std::get<i>(mIPack) = std::get<i>(indices); return 0; } );
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RangeHelper::setIndexPack<sizeof...(Indices)-1>(mIPack, IB::mPos);
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return *this;
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}
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template <class... Indices>
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IndexType MultiIndex<Indices...>::type() const
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{
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return IndexType::MULTI;
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}
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template <class... Indices>
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MultiIndex<Indices...>& MultiIndex<Indices...>::operator=(size_t pos)
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{
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IB::mPos = pos;
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RangeHelper::setIndexPack<sizeof...(Indices)-1>(mIPack, pos);
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return *this;
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}
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template <class... Indices>
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MultiIndex<Indices...>& MultiIndex<Indices...>::operator++()
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{
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sfor_m<sizeof...(Indices),0>
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( [&](auto i) {
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auto& si = *std::get<i>( mIPack );
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if(si.last() and i != 0) { si = 0; return true; }
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else { ++si; return false; }
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return false;
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} );
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++IB::mPos;
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return *this;
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}
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template <class... Indices>
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MultiIndex<Indices...>& MultiIndex<Indices...>::operator--()
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{
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sfor_m<sizeof...(Indices),0>
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( [&](auto i) {
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auto& si = *std::get<i>( mIPack );
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if(si.first() and i != 0) { si = si.max()-1; return true; }
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else { --si; return false; }
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return false;
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} );
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--IB::mPos;
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return *this;
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}
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template <class... Indices>
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int MultiIndex<Indices...>::pp(std::intptr_t idxPtrNum)
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{
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const int tmp = RangeHelper::ppx<sizeof...(Indices)-1>(mIPack, mBlockSizes, idxPtrNum);
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IB::mPos += tmp;
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return tmp;
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}
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template <class... Indices>
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int MultiIndex<Indices...>::mm(std::intptr_t idxPtrNum)
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{
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const int tmp = RangeHelper::mmx<sizeof...(Indices)-1>(mIPack, mBlockSizes, idxPtrNum);
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IB::mPos -= tmp;
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return tmp;
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}
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template <class... Indices>
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std::string MultiIndex<Indices...>::stringMeta() const
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{
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return std::dynamic_pointer_cast<RangeType>( IB::mRangePtr )->stringMeta(IB::mPos);
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}
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template <class... Indices>
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typename MultiIndex<Indices...>::MetaType MultiIndex<Indices...>::meta() const
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{
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MetaType metaTuple;
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sfor_pn<0,sizeof...(Indices)>
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( [&](auto i) { std::get<i>(metaTuple) = std::get<i>(mIPack)->meta(); return 0; } );
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return metaTuple;
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}
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template <class... Indices>
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MultiIndex<Indices...>& MultiIndex<Indices...>::at(const MetaType& metaPos)
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{
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sfor_pn<0,sizeof...(Indices)>
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( [&](auto i) { std::get<i>(mIPack)->at( std::get<i>(metaPos) ); return 0; } );
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IB::mPos = sfor_m<sizeof...(Indices),0>
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( [&](auto i) { return std::get<i>(mIPack); },
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[&](auto a, auto b) {return a->pos() + b*a->max();}, 0 );
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return *this;
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}
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template <class... Indices>
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size_t MultiIndex<Indices...>::dim()
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{
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return sizeof...(Indices);
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}
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template <class... Indices>
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bool MultiIndex<Indices...>::first()
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{
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return IB::mPos == 0;
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}
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template <class... Indices>
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bool MultiIndex<Indices...>::last()
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{
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return IB::mPos == IB::mMax - 1;
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}
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template <class... Indices>
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std::shared_ptr<typename MultiIndex<Indices...>::RangeType>
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MultiIndex<Indices...>::range()
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{
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return std::dynamic_pointer_cast<RangeType>( IB::mRangePtr );
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}
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template <class... Indices>
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template <size_t N>
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auto MultiIndex<Indices...>::getPtr() -> decltype( std::get<N>( mIPack ) )&
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{
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return std::get<N>(mIPack);
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}
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template <class... Indices>
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size_t MultiIndex<Indices...>::getStepSize(size_t n)
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{
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if(n >= sizeof...(Indices)){
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assert(0);
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// throw !!
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}
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return mBlockSizes[n+1];
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}
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template <class... Indices>
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template <class Exprs>
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auto MultiIndex<Indices...>::ifor(size_t step, Exprs exs) const
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{
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return RangeHelper::mkFor<0>(step, mIPack, mBlockSizes, exs);
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}
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template <class... Indices>
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template <class Exprs>
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auto MultiIndex<Indices...>::iforh(size_t step, Exprs exs) const
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{
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return RangeHelper::mkForh<0>(step, mIPack, mBlockSizes, exs);
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}
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template <class... Indices>
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template <class Exprs>
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auto MultiIndex<Indices...>::pifor(size_t step, Exprs exs) const
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{
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return RangeHelper::mkPFor<0>(step, mIPack, mBlockSizes, exs);
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}
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/*************************
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* MultiRangeFactory *
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*************************/
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template <class... Ranges>
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MultiRangeFactory<Ranges...>::MultiRangeFactory(const std::shared_ptr<Ranges>&... rs)
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{
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mProd = std::shared_ptr< MultiRange<Ranges...> >( new MultiRange<Ranges...>( rs... ) );
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}
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template <class... Ranges>
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MultiRangeFactory<Ranges...>::MultiRangeFactory(const typename MultiRange<Ranges...>::Space& st)
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{
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mProd = std::shared_ptr< MultiRange<Ranges...> >( new MultiRange<Ranges...>( st ) );
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}
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template <class... Ranges>
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std::shared_ptr<RangeBase> MultiRangeFactory<Ranges...>::create()
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{
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mProd = checkIfCreated( std::dynamic_pointer_cast<oType>( mProd )->mSpace );
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setSelf();
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return mProd;
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}
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template <class... Ranges>
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std::shared_ptr<RangeBase> MultiRangeFactory<Ranges...>::checkIfCreated(const std::tuple<std::shared_ptr<Ranges>...>& ptp)
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{
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std::shared_ptr<RangeBase> out;
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bool check = false;
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for(auto& x: MultiRangeFactoryProductMap::mAleadyCreated){
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if(x.second.size() == sizeof...(Ranges)){
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check = sfor_p<0,sizeof...(Ranges)>
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( [&](auto i) { return reinterpret_cast<std::intptr_t>( std::get<i>(ptp).get() ) == x.second[i]; },
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[&](auto a, auto b) { return a and b; } );
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if(check){
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out = x.first;
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break;
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}
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}
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}
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if(not check){
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vector<std::intptr_t> pv(sizeof...(Ranges));
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sfor_pn<0,sizeof...(Ranges)>
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( [&](auto i) { pv[i] = reinterpret_cast<std::intptr_t>( std::get<i>(ptp).get() ); return 0; } );
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MultiRangeFactoryProductMap::mAleadyCreated[mProd] = pv;
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out = mProd;
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}
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|
return out;
|
|
}
|
|
|
|
/******************
|
|
* MultiRange *
|
|
******************/
|
|
|
|
template <class... Ranges>
|
|
MultiRange<Ranges...>::MultiRange(const std::shared_ptr<Ranges>&... rs) : mSpace(std::make_tuple(rs...)) {}
|
|
|
|
template <class... Ranges>
|
|
MultiRange<Ranges...>::MultiRange(const Space& space) : mSpace( space ) {}
|
|
|
|
template <class... Ranges>
|
|
template <size_t N>
|
|
auto MultiRange<Ranges...>::get() const -> decltype( *std::get<N>( mSpace ) )&
|
|
{
|
|
return *std::get<N>(mSpace);
|
|
}
|
|
|
|
template <class... Ranges>
|
|
size_t MultiRange<Ranges...>::getMeta(const MetaType& metaPos) const
|
|
{
|
|
return RangeHelper::getMeta<sizeof...(Ranges)-1>(mSpace,metaPos);
|
|
}
|
|
|
|
template <class... Ranges>
|
|
template <size_t N>
|
|
auto MultiRange<Ranges...>::getPtr() const -> decltype( std::get<N>( mSpace ) )&
|
|
{
|
|
return std::get<N>(mSpace);
|
|
}
|
|
|
|
template <class... Indices>
|
|
std::shared_ptr<RangeBase> MultiRange<Indices...>::sub(size_t num) const
|
|
{
|
|
assert(num < sizeof...(Indices));
|
|
return sforx_p<0,sizeof...(Indices)>
|
|
( [&](auto i) { return std::dynamic_pointer_cast<RangeBase>(std::get<i>(mSpace)); },
|
|
[&](auto i) { return num != i;} );
|
|
}
|
|
|
|
template <class... Ranges>
|
|
size_t MultiRange<Ranges...>::dim() const
|
|
{
|
|
return sdim;
|
|
}
|
|
|
|
template <class... Ranges>
|
|
size_t MultiRange<Ranges...>::size() const
|
|
{
|
|
return sfor_p<0,sizeof...(Ranges)>
|
|
( [&](auto i) { return std::get<i>(mSpace)->size(); },
|
|
[&](auto a, auto b) { return a * b; } );
|
|
}
|
|
|
|
template <class... Ranges>
|
|
SpaceType MultiRange<Ranges...>::spaceType() const
|
|
{
|
|
return SpaceType::ANY;
|
|
}
|
|
|
|
template <class... Ranges>
|
|
const typename MultiRange<Ranges...>::Space& MultiRange<Ranges...>::space() const
|
|
{
|
|
return mSpace;
|
|
}
|
|
|
|
template <class... Ranges>
|
|
vector<size_t> MultiRange<Ranges...>::typeNum() const
|
|
{
|
|
vector<size_t> o;
|
|
RangeHelper::getTypeNum<sizeof...(Ranges)-1>(o,mSpace);
|
|
return o;
|
|
}
|
|
|
|
template <class... Ranges>
|
|
size_t MultiRange<Ranges...>::cmeta(char* target, size_t pos) const
|
|
{
|
|
const size_t off = cmetaSize();
|
|
MetaType* xtarget = reinterpret_cast<MetaType*>(target);
|
|
return RangeHelper::getCMeta<sizeof...(Ranges)-1>(xtarget,pos,mSpace,off);
|
|
}
|
|
|
|
template <class... Ranges>
|
|
size_t MultiRange<Ranges...>::cmetaSize() const
|
|
{
|
|
return RangeHelper::getCMetaSize<0>(mSpace);
|
|
}
|
|
|
|
template <class... Ranges>
|
|
std::string MultiRange<Ranges...>::stringMeta(size_t pos) const
|
|
{
|
|
auto i = begin();
|
|
i = pos;
|
|
return "[" + RangeHelper::getStringMeta<0>(i) + "]";
|
|
}
|
|
|
|
template <class... Ranges>
|
|
vector<char> MultiRange<Ranges...>::data() const
|
|
{
|
|
DataHeader h = dataHeader();
|
|
vector<char> out;
|
|
//out.reserve(h.metaSize + sizeof(DataHeader));
|
|
char* hcp = reinterpret_cast<char*>(&h);
|
|
out.insert(out.end(), hcp, hcp + sizeof(DataHeader));
|
|
sfor_pn<0,sizeof...(Ranges)>
|
|
( [&](auto i) {
|
|
vector<char> part = std::get<i>(mSpace)->data();
|
|
out.insert(out.end(), part.begin(), part.end());
|
|
return 0;
|
|
} );
|
|
return out;
|
|
}
|
|
|
|
template <class... Ranges>
|
|
DataHeader MultiRange<Ranges...>::dataHeader() const
|
|
{
|
|
DataHeader h;
|
|
h.spaceType = static_cast<int>( SpaceType::ANY );
|
|
h.metaSize = sizeof...(Ranges);
|
|
h.multiple = 1;
|
|
return h;
|
|
}
|
|
|
|
template <class... Ranges>
|
|
typename MultiRange<Ranges...>::IndexType MultiRange<Ranges...>::begin() const
|
|
{
|
|
MultiIndex<typename Ranges::IndexType...>
|
|
i( std::dynamic_pointer_cast<MultiRange<Ranges...> >
|
|
( std::shared_ptr<RangeBase>( RB::mThis ) ) );
|
|
i = 0;
|
|
return i;
|
|
}
|
|
|
|
template <class... Ranges>
|
|
typename MultiRange<Ranges...>::IndexType MultiRange<Ranges...>::end() const
|
|
{
|
|
MultiIndex<typename Ranges::IndexType...>
|
|
i( std::dynamic_pointer_cast<MultiRange<Ranges...> >
|
|
( std::shared_ptr<RangeBase>( RB::mThis )) );
|
|
i = size();
|
|
return i;
|
|
}
|
|
|
|
template <class... Ranges>
|
|
template <class... ERanges>
|
|
auto MultiRange<Ranges...>::cat(const std::shared_ptr<MultiRange<ERanges...> >& erange)
|
|
-> std::shared_ptr<MultiRange<Ranges...,ERanges...> >
|
|
{
|
|
auto crange = std::tuple_cat(mSpace, erange->space());
|
|
MultiRangeFactory<Ranges...,ERanges...> rf(crange);
|
|
return std::dynamic_pointer_cast<MultiRange<Ranges...,ERanges...> >(rf.create());
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|