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reorganize multi_array(_base) headers + slice header (NOT FINISHED)

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This commit is contained in:
Christian Zimmermann 2018-02-16 18:17:22 +01:00
parent 901fae0735
commit ca70cd19f7
10 changed files with 539 additions and 314 deletions
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79
src/include/functional_multi_array.h Normal file
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@ -0,0 +1,79 @@
#ifndef __functional_multi_array__
#define __functional_multi_array__
#include "multi_array_base.h"
namespace MultiArrayTools
{
template <typename T, class Function, class... SRanges>
class FunctionalMultiArray : public MultiArrayBase<T,SRanges...>
{
public:
typedef ContainerRange<T,SRanges...> CRange;
typedef MultiArrayBase<T,CRange> MAB;
typedef typename MultiArrayBase<T,CRange>::const_iterator const_iterator;
typedef typename CRange::IndexType IndexType;
DEFAULT_MEMBERS(FunctionalMultiArray);
FunctionalMultiArray(const std::shared_ptr<SRanges>&... ranges, const Function& func);
virtual const T& operator[](const IndexType& i) const override;
virtual bool isConst() const override;
virtual bool isSlice() const override;
private:
mutable T mVal;
Function mFunc;
};
} // namespace MultiArrayTools
/* ========================= *
* --- TEMPLATE CODE --- *
* ========================= */
namespace MultiArrayTools
{
/****************************
* FunctionalMultiArray *
****************************/
/*
template <typename T, class Range, class Function>
FunctionalMultiArray<T,Range,Function>::FunctionalMultiArray(const Range& range) :
MultiArrayBase<T,SRanges...>(range), mFunc() {}
*/
template <typename T, class Function, class... SRanges>
FunctionalMultiArray<T,Function,SRanges...>::FunctionalMultiArray(const std::shared_ptr<SRanges>&... ranges,
const Function& func) :
MultiArrayBase<T,SRanges...>(ranges...), mFunc(func) {}
template <typename T, class Function, class... SRanges>
const T& FunctionalMultiArray<T,Function,SRanges...>::operator[](const typename CRange::IndexType& i) const
{
mVal = mFunc(i);
return mVal;
}
template <typename T, class Function, class... SRanges>
bool FunctionalMultiArray<T,Function,SRanges...>::isConst() const
{
return true;
}
template <typename T, class Function, class... SRanges>
bool FunctionalMultiArray<T,Function,SRanges...>::isSlice() const
{
return false;
}
} // namespace MultiArrayTools
#endif

300
src/include/multi_array.h
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@ -3,101 +3,11 @@
#ifndef __multi_array_h__
#define __multi_array_h__
#include <cstdlib>
#include <vector>
#include <memory>
#include <iterator>
#include <algorithm>
#include "base_def.h"
#include "mbase_def.h"
#include "ranges/rheader.h"
#include "multi_array_base.h"
namespace MultiArrayTools
{
// Explicitely specify subranges in template argument !!!
template <typename T, class... SRanges>
class MultiArrayBase
{
public:
typedef T value_type;
typedef ContainerRange<T,SRanges...> CRange;
typedef typename CRange::IndexType IndexType;
DEFAULT_MEMBERS(MultiArrayBase);
MultiArrayBase(const std::shared_ptr<SRanges>&... ranges);
virtual ~MultiArrayBase() = default;
virtual const T& operator[](const IndexType& i) const = 0;
//virtual const T& operator[](const typename CRange::IndexType& i) const = 0;
virtual const T& at(const typename CRange::IndexType::MetaType& meta) const = 0;
virtual const T* data() const = 0;
virtual const std::vector<T>& datav() const = 0;
virtual size_t size() const;
virtual bool isSlice() const = 0;
virtual IndexType begin() const;
virtual IndexType end() const;
virtual IndexType beginIndex() const;
virtual IndexType endIndex() const;
virtual const std::shared_ptr<CRange>& range() const;
virtual bool isConst() const;
virtual ConstOperationRoot<T,SRanges...>
operator()(std::shared_ptr<typename SRanges::IndexType>&... inds) const;
virtual bool isInit() const;
protected:
bool mInit = false;
std::shared_ptr<CRange> mRange;
};
template <typename T, class... SRanges>
class MutableMultiArrayBase : public MultiArrayBase<T,SRanges...>
{
public:
typedef ContainerRange<T,SRanges...> CRange;
//typedef typename MultiArrayBase<T,SRanges...>::const_iterator const_iterator;
typedef MultiArrayBase<T,SRanges...> MAB;
typedef typename CRange::IndexType IndexType;
using MultiArrayBase<T,SRanges...>::operator[];
using MultiArrayBase<T,SRanges...>::at;
using MultiArrayBase<T,SRanges...>::data;
using MultiArrayBase<T,SRanges...>::datav;
using MultiArrayBase<T,SRanges...>::begin;
using MultiArrayBase<T,SRanges...>::end;
DEFAULT_MEMBERS(MutableMultiArrayBase);
MutableMultiArrayBase(const std::shared_ptr<SRanges>&... ranges);
virtual T& operator[](const IndexType& i) = 0;
virtual T& at(const typename CRange::IndexType::MetaType& meta) = 0;
virtual T* data() = 0;
virtual std::vector<T>& datav() = 0;
//virtual IndexType begin();
//virtual IndexType end();
virtual bool isConst() const override;
virtual ConstOperationRoot<T,SRanges...>
operator()(std::shared_ptr<typename SRanges::IndexType>&... inds) const override;
virtual OperationRoot<T,SRanges...> operator()(std::shared_ptr<typename SRanges::IndexType>&... inds);
};
template <typename T, class... SRanges>
class MultiArray : public MutableMultiArrayBase<T,SRanges...>
@ -106,8 +16,6 @@ namespace MultiArrayTools
typedef ContainerRange<T,SRanges...> CRange;
typedef MultiArrayBase<T,SRanges...> MAB;
//typedef typename MultiArrayBase<T,SRanges...>::const_iterator const_iterator;
//typedef typename MutableMultiArrayBase<T,SRanges...>::iterator iterator;
typedef typename CRange::IndexType IndexType;
DEFAULT_MEMBERS(MultiArray);
@ -142,13 +50,6 @@ namespace MultiArrayTools
virtual const T* data() const override;
virtual T* data() override;
virtual const std::vector<T>& datav() const override;
virtual std::vector<T>& datav() override;
// virtual void manipulate(ManipulatorBase<T>& mb,
// const typename CRange::IndexType& manBegin,
// const typename CRange::IndexType& manEnd);
template <typename U, class... SRanges2>
friend class MultiArray;
@ -156,30 +57,6 @@ namespace MultiArrayTools
std::vector<T> mCont;
};
template <typename T, class Function, class... SRanges>
class FunctionalMultiArray : public MultiArrayBase<T,SRanges...>
{
public:
typedef ContainerRange<T,SRanges...> CRange;
typedef MultiArrayBase<T,CRange> MAB;
typedef typename MultiArrayBase<T,CRange>::const_iterator const_iterator;
typedef typename CRange::IndexType IndexType;
DEFAULT_MEMBERS(FunctionalMultiArray);
//FunctionalMultiArray(const CRange& range);
FunctionalMultiArray(const std::shared_ptr<SRanges>&... ranges, const Function& func);
virtual const T& operator[](const IndexType& i) const override;
virtual bool isConst() const override;
virtual bool isSlice() const override;
protected:
mutable T mVal;
Function mFunc;
};
}
/* ========================= *
@ -189,122 +66,6 @@ namespace MultiArrayTools
namespace MultiArrayTools
{
/**********************
* MultiArrayBase *
**********************/
template <typename T, class... SRanges>
MultiArrayBase<T,SRanges...>::MultiArrayBase(const std::shared_ptr<SRanges>&... ranges)
{
ContainerRangeFactory<T,SRanges...> crf(ranges...);
mRange = std::dynamic_pointer_cast<ContainerRange<T,SRanges...> >( crf.create() );
}
template <typename T, class... SRanges>
size_t MultiArrayBase<T,SRanges...>::size() const
{
return mRange->size();
}
template <typename T, class... SRanges>
typename MultiArrayBase<T,SRanges...>::IndexType MultiArrayBase<T,SRanges...>::begin() const
{
auto i = mRange->begin();
return i.setData(data());
}
template <typename T, class... SRanges>
typename MultiArrayBase<T,SRanges...>::IndexType MultiArrayBase<T,SRanges...>::end() const
{
auto i = mRange->end();
return i.setData(data());
}
template <typename T, class... SRanges>
typename MultiArrayBase<T,SRanges...>::IndexType
MultiArrayBase<T,SRanges...>::beginIndex() const
{
auto i = mRange->begin();
return i.setData(data());
}
template <typename T, class... SRanges>
typename MultiArrayBase<T,SRanges...>::IndexType
MultiArrayBase<T,SRanges...>::endIndex() const
{
auto i = mRange->end();
return i.setData(data());
}
template <typename T, class... SRanges>
const std::shared_ptr<typename MultiArrayBase<T,SRanges...>::CRange>&
MultiArrayBase<T,SRanges...>::range() const
{
return mRange;
}
template <typename T, class... SRanges>
bool MultiArrayBase<T,SRanges...>::isConst() const
{
return true;
}
template <typename T, class... SRanges>
ConstOperationRoot<T,SRanges...>
MultiArrayBase<T,SRanges...>::operator()(std::shared_ptr<typename SRanges::IndexType>&... inds) const
{
return ConstOperationRoot<T,SRanges...>(*this, inds...);
}
template <typename T, class... SRanges>
bool MultiArrayBase<T,SRanges...>::isInit() const
{
return mInit;
}
/******************************
* MutableMultiArrayBase *
******************************/
template <typename T, class... SRanges>
MutableMultiArrayBase<T,SRanges...>::MutableMultiArrayBase(const std::shared_ptr<SRanges>&... ranges) :
MultiArrayBase<T,SRanges...>(ranges...) {}
/*
template <typename T, class... SRanges>
typename MutableMultiArrayBase<T,SRanges...>::IndexType MutableMultiArrayBase<T,SRanges...>::begin()
{
auto i = mRange->begin();
return i.setData(data());
}
template <typename T, class... SRanges>
typename MutableMultiArrayBase<T,SRanges...>::IndexType MutableMultiArrayBase<T,SRanges...>::end()
{
auto i = mRange->end();
return i.setData(data());
}
*/
template <typename T, class... SRanges>
bool MutableMultiArrayBase<T,SRanges...>::isConst() const
{
return false;
}
template <typename T, class... SRanges>
OperationRoot<T,SRanges...>
MutableMultiArrayBase<T,SRanges...>::operator()(std::shared_ptr<typename SRanges::IndexType>&... inds)
{
return OperationRoot<T,SRanges...>(*this, inds...);
}
template <typename T, class... SRanges>
ConstOperationRoot<T,SRanges...>
MutableMultiArrayBase<T,SRanges...>::operator()(std::shared_ptr<typename SRanges::IndexType>&... inds) const
{
return ConstOperationRoot<T,SRanges...>(*this, inds...);
}
/*******************
* MultiArray *
*******************/
@ -423,65 +184,6 @@ namespace MultiArrayTools
{
return mCont.data();
}
template <typename T, class... SRanges>
const std::vector<T>& MultiArray<T,SRanges...>::datav() const
{
return mCont;
}
template <typename T, class... SRanges>
std::vector<T>& MultiArray<T,SRanges...>::datav()
{
return mCont;
}
/*
template <typename T, class... SRanges>
void MultiArray<T,SRanges...>::manipulate(ManipulatorBase<T>& mb,
const typename Range::IndexType& manBegin,
const typename Range::IndexType& manEnd)
{
mb.setup(mCont, manBegin.pos(), manEnd.pos());
mb.execute();
}
*/
/****************************
* FunctionalMultiArray *
****************************/
/*
template <typename T, class Range, class Function>
FunctionalMultiArray<T,Range,Function>::FunctionalMultiArray(const Range& range) :
MultiArrayBase<T,SRanges...>(range), mFunc() {}
*/
template <typename T, class Function, class... SRanges>
FunctionalMultiArray<T,Function,SRanges...>::FunctionalMultiArray(const std::shared_ptr<SRanges>&... ranges,
const Function& func) :
MultiArrayBase<T,SRanges...>(ranges...), mFunc(func) {}
template <typename T, class Function, class... SRanges>
const T& FunctionalMultiArray<T,Function,SRanges...>::operator[](const typename CRange::IndexType& i) const
{
mVal = mFunc(i);
return mVal;
}
template <typename T, class Function, class... SRanges>
bool FunctionalMultiArray<T,Function,SRanges...>::isConst() const
{
return true;
}
template <typename T, class Function, class... SRanges>
bool FunctionalMultiArray<T,Function,SRanges...>::isSlice() const
{
return false;
}
}
#endif

239
src/include/multi_array_base.h Normal file
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@ -0,0 +1,239 @@
#ifndef __multi_array_base_h__
#define __multi_array_base_h__
#include <cstdlib>
#include <vector>
#include <memory>
#include <iterator>
#include <algorithm>
#include "base_def.h"
#include "mbase_def.h"
#include "ranges/rheader.h"
namespace MultiArrayTools
{
// Explicitely specify subranges in template argument !!!
template <typename T, class... SRanges>
class MultiArrayBase
{
public:
typedef T value_type;
typedef ContainerRange<T,SRanges...> CRange;
typedef typename CRange::IndexType IndexType;
DEFAULT_MEMBERS(MultiArrayBase);
MultiArrayBase(const std::shared_ptr<SRanges>&... ranges);
MultiArrayBase(const typename CRange::SpaceType& space);
virtual ~MultiArrayBase() = default;
virtual const T& operator[](const IndexType& i) const = 0;
virtual const T& at(const typename CRange::IndexType::MetaType& meta) const = 0;
virtual const T* data() const = 0;
virtual size_t size() const;
virtual bool isSlice() const = 0;
virtual IndexType begin() const;
virtual IndexType end() const;
virtual IndexType beginIndex() const;
virtual IndexType endIndex() const;
virtual const std::shared_ptr<CRange>& range() const;
virtual bool isConst() const;
virtual ConstOperationRoot<T,SRanges...>
operator()(std::shared_ptr<typename SRanges::IndexType>&... inds) const;
virtual bool isInit() const;
// slice function !!!!!
protected:
bool mInit = false;
std::shared_ptr<CRange> mRange;
};
template <typename T, class... SRanges>
class MutableMultiArrayBase : public MultiArrayBase<T,SRanges...>
{
public:
typedef ContainerRange<T,SRanges...> CRange;
typedef MultiArrayBase<T,SRanges...> MAB;
typedef typename CRange::IndexType IndexType;
using MultiArrayBase<T,SRanges...>::operator[];
using MultiArrayBase<T,SRanges...>::at;
using MultiArrayBase<T,SRanges...>::data;
using MultiArrayBase<T,SRanges...>::begin;
using MultiArrayBase<T,SRanges...>::end;
DEFAULT_MEMBERS(MutableMultiArrayBase);
MutableMultiArrayBase(const std::shared_ptr<SRanges>&... ranges);
MutableMultiArrayBase(const typename CRange::SpaceType& space);
virtual T& operator[](const IndexType& i) = 0;
virtual T& at(const typename CRange::IndexType::MetaType& meta) = 0;
virtual T* data() = 0;
//virtual IndexType begin();
//virtual IndexType end();
virtual bool isConst() const override;
virtual ConstOperationRoot<T,SRanges...>
operator()(std::shared_ptr<typename SRanges::IndexType>&... inds) const override;
virtual OperationRoot<T,SRanges...> operator()(std::shared_ptr<typename SRanges::IndexType>&... inds);
};
} // end namespace MultiArrayTools
/* ========================= *
* --- TEMPLATE CODE --- *
* ========================= */
namespace MultiArrayTools
{
/**********************
* MultiArrayBase *
**********************/
template <typename T, class... SRanges>
MultiArrayBase<T,SRanges...>::MultiArrayBase(const std::shared_ptr<SRanges>&... ranges)
{
ContainerRangeFactory<T,SRanges...> crf(ranges...);
mRange = std::dynamic_pointer_cast<ContainerRange<T,SRanges...> >( crf.create() );
}
template <typename T, class... SRanges>
MultiArrayBase<T,SRanges...>::MultiArrayBase(const typename CRange::SpaceType& space)
{
ContainerRangeFactory<T,SRanges...> crf(space);
mRange = std::dynamic_pointer_cast<ContainerRange<T,SRanges...> >( crf.create() );
}
template <typename T, class... SRanges>
size_t MultiArrayBase<T,SRanges...>::size() const
{
return mRange->size();
}
template <typename T, class... SRanges>
typename MultiArrayBase<T,SRanges...>::IndexType MultiArrayBase<T,SRanges...>::begin() const
{
auto i = mRange->begin();
return i.setData(data());
}
template <typename T, class... SRanges>
typename MultiArrayBase<T,SRanges...>::IndexType MultiArrayBase<T,SRanges...>::end() const
{
auto i = mRange->end();
return i.setData(data());
}
template <typename T, class... SRanges>
typename MultiArrayBase<T,SRanges...>::IndexType
MultiArrayBase<T,SRanges...>::beginIndex() const
{
auto i = mRange->begin();
return i.setData(data());
}
template <typename T, class... SRanges>
typename MultiArrayBase<T,SRanges...>::IndexType
MultiArrayBase<T,SRanges...>::endIndex() const
{
auto i = mRange->end();
return i.setData(data());
}
template <typename T, class... SRanges>
const std::shared_ptr<typename MultiArrayBase<T,SRanges...>::CRange>&
MultiArrayBase<T,SRanges...>::range() const
{
return mRange;
}
template <typename T, class... SRanges>
bool MultiArrayBase<T,SRanges...>::isConst() const
{
return true;
}
template <typename T, class... SRanges>
ConstOperationRoot<T,SRanges...>
MultiArrayBase<T,SRanges...>::operator()(std::shared_ptr<typename SRanges::IndexType>&... inds) const
{
return ConstOperationRoot<T,SRanges...>(*this, inds...);
}
template <typename T, class... SRanges>
bool MultiArrayBase<T,SRanges...>::isInit() const
{
return mInit;
}
/******************************
* MutableMultiArrayBase *
******************************/
template <typename T, class... SRanges>
MutableMultiArrayBase<T,SRanges...>::MutableMultiArrayBase(const std::shared_ptr<SRanges>&... ranges) :
MultiArrayBase<T,SRanges...>(ranges...) {}
template <typename T, class... SRanges>
MutableMultiArrayBase<T,SRanges...>::MutableMultiArrayBase(const typename CRange::SpaceType& space) :
MultiArrayBase<T,SRanges...>(space) {}
/*
template <typename T, class... SRanges>
typename MutableMultiArrayBase<T,SRanges...>::IndexType MutableMultiArrayBase<T,SRanges...>::begin()
{
auto i = mRange->begin();
return i.setData(data());
}
template <typename T, class... SRanges>
typename MutableMultiArrayBase<T,SRanges...>::IndexType MutableMultiArrayBase<T,SRanges...>::end()
{
auto i = mRange->end();
return i.setData(data());
}
*/
template <typename T, class... SRanges>
bool MutableMultiArrayBase<T,SRanges...>::isConst() const
{
return false;
}
template <typename T, class... SRanges>
OperationRoot<T,SRanges...>
MutableMultiArrayBase<T,SRanges...>::operator()(std::shared_ptr<typename SRanges::IndexType>&... inds)
{
return OperationRoot<T,SRanges...>(*this, inds...);
}
template <typename T, class... SRanges>
ConstOperationRoot<T,SRanges...>
MutableMultiArrayBase<T,SRanges...>::operator()(std::shared_ptr<typename SRanges::IndexType>&... inds) const
{
return ConstOperationRoot<T,SRanges...>(*this, inds...);
}
} // end namespace MultiArrayTools
#endif

2
src/include/multi_array_header.h
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@ -12,7 +12,9 @@
//#include "container_range.h"
//#include "block.h"
#include "multi_array_operation.h"
#include "multi_array_base.h"
#include "multi_array.h"
#include "functional_multi_array.h"
#include "helper_tools.h"
//#include "slice.h"
//#include "manipulator.h"

45
src/include/ranges/container_range.h
View file

@ -7,7 +7,6 @@
#include <tuple>
#include <memory>
//#include "base_def.h"
#include "ranges/range_base.h"
#include "ranges/index_base.h"
@ -35,6 +34,7 @@ namespace MultiArrayTools
private:
bool mNonTrivialBlocks = false;
bool mExternControl = false;
IndexPack mIPack;
std::array<size_t,sizeof...(Indices)+1> mBlockSizes;
@ -47,6 +47,10 @@ namespace MultiArrayTools
template <class MRange>
ContainerIndex(const std::shared_ptr<MRange>& range);
template <class MRange>
ContainerIndex(const std::shared_ptr<MRange>& range,
const std::array<size_t,sizeof...(Indices)+1>& blockSizes);
template <size_t N>
auto get() const -> decltype( *std::get<N>( mIPack ) )&;
@ -71,12 +75,13 @@ namespace MultiArrayTools
int pp(std::intptr_t idxPtrNum);
int mm(std::intptr_t idxPtrNum);
MetaType meta();
MetaType meta() const;
ContainerIndex& at(const MetaType& metaPos);
size_t dim();
bool first();
bool last();
size_t dim() const;
bool first() const;
bool last() const;
bool sliceMode() const;
std::shared_ptr<RangeType> range();
@ -148,7 +153,6 @@ namespace MultiArrayTools
typedef RangeBase RB;
typedef std::tuple<std::shared_ptr<Ranges>...> SpaceType;
typedef ContainerIndex<T,typename Ranges::IndexType...> IndexType;
//typedef typename RangeInterface<ContainerIndex<typename Ranges::IndexType...> >::IndexType IndexType;
protected:
ContainerRange() = default;
@ -207,11 +211,24 @@ namespace MultiArrayTools
IndexInterface<ContainerIndex<T,Indices...>,std::tuple<typename Indices::MetaType...> >(range, 0)
{
RPackNum<sizeof...(Indices)-1>::construct(mIPack, *range);
IB::mPos = RPackNum<sizeof...(Indices)-1>::makePos(mIPack);
std::get<sizeof...(Indices)>(mBlockSizes) = 1;
RPackNum<sizeof...(Indices)-1>::initBlockSizes(mBlockSizes, mIPack);
IB::mPos = RPackNum<sizeof...(Indices)-1>::makePos(mIPack, mBlockSizes);
}
template <typename T, class... Indices>
template <class MRange>
ContainerIndex<T,Indices...>::ContainerIndex(const std::shared_ptr<MRange>& range,
const std::array<size_t,sizeof...(Indices)+1>& blockSizes) :
IndexInterface<ContainerIndex<T,Indices...>,std::tuple<typename Indices::MetaType...> >(range, 0)
{
RPackNum<sizeof...(Indices)-1>::construct(mIPack, *range);
mBlockSizes = blockSizes;
IB::mPos = RPackNum<sizeof...(Indices)-1>::makePos(mIPack, mBlockSizes);
mNonTrivialBlocks = true;
}
template <typename T, class... Indices>
ContainerIndex<T,Indices...>& ContainerIndex<T,Indices...>::sync()
{
@ -303,7 +320,7 @@ namespace MultiArrayTools
}
template <typename T, class... Indices>
typename ContainerIndex<T,Indices...>::MetaType ContainerIndex<T,Indices...>::meta()
typename ContainerIndex<T,Indices...>::MetaType ContainerIndex<T,Indices...>::meta() const
{
MetaType metaTuple;
RPackNum<sizeof...(Indices)-1>::getMetaPos(metaTuple, mIPack);
@ -319,23 +336,29 @@ namespace MultiArrayTools
}
template <typename T, class... Indices>
size_t ContainerIndex<T,Indices...>::dim()
size_t ContainerIndex<T,Indices...>::dim() const
{
return sizeof...(Indices);
}
template <typename T, class... Indices>
bool ContainerIndex<T,Indices...>::first()
bool ContainerIndex<T,Indices...>::first() const
{
return IB::pos() == 0;
}
template <typename T, class... Indices>
bool ContainerIndex<T,Indices...>::last()
bool ContainerIndex<T,Indices...>::last() const
{
return IB::pos() == IB::mMax - 1;
}
template <typename T, class... Indices>
bool ContainerIndex<T,Indices...>::sliceMode() const
{
return mNonTrivialBlocks;
}
template <typename T, class... Indices>
std::shared_ptr<typename ContainerIndex<T,Indices...>::RangeType>
ContainerIndex<T,Indices...>::range()

2
src/include/ranges/index_base.h
View file

@ -28,6 +28,8 @@ namespace MultiArrayTools
I& THIS() { return static_cast<I&>(*this); }
I const& THIS() const { return static_cast<I const&>(*this); }
static constexpr bool ISINDEX = true;
~IndexInterface() = default;
IndexType type() const { return THIS().type(); }

2
src/include/ranges/range_base.h
View file

@ -50,6 +50,8 @@ namespace MultiArrayTools
{
public:
static constexpr bool ISINDEX = false;
virtual ~RangeBase() = default;
virtual size_t size() const = 0;

14
src/include/ranges/rpack_num.h
View file

@ -177,6 +177,13 @@ namespace MultiArrayHelper
return std::get<N>(iPtrTup)->pos() + RPackNum<N-1>::makePos(iPtrTup) * std::get<N>(iPtrTup)->max();
}
template <class... Indices>
static inline size_t makePos(const std::tuple<std::shared_ptr<Indices>...>& iPtrTup,
const std::array<size_t,sizeof...(Indices)+1>& blockSize)
{
return RPackNum<N-1>::makePos(iPtrTup, blockSize) + std::get<N>(iPtrTup)->pos() * std::get<N>(blockSize);
}
template <class Pack, class IndexType, class... Indices>
static void swapIndices(Pack& ipack, const std::shared_ptr<IndexType>& nind,
const std::shared_ptr<Indices>&... ninds)
@ -354,6 +361,13 @@ namespace MultiArrayHelper
return std::get<0>(iPtrTup)->pos();
}
template <class... Indices>
static inline size_t makePos(const std::tuple<std::shared_ptr<Indices>...>& iPtrTup,
const std::array<size_t,sizeof...(Indices)+1>& blockSize)
{
return std::get<0>(iPtrTup)->pos() * std::get<0>(blockSize);
}
template <class Pack, class IndexType>
static void swapIndices(Pack& ipack, const std::shared_ptr<IndexType>& nind)
{

162
src/include/slice.h Normal file
View file

@ -0,0 +1,162 @@
#ifndef __slice_h__
#define __slice_h__
#include "multi_array_base.h"
namespace MultiArrayTools
{
template <typename T, class... SRanges>
class Slice : public MutableMultiArrayBase<T,SRanges...>
{
public:
typedef ContainerRange<T,SRanges...> CRange;
typedef MultiArrayBase<T,SRanges...> MAB;
typedef typename CRange::IndexType IndexType;
DEFAULT_MEMBERS(Slice);
template <class... RITypes> // Range / Index <-> open / const
Slice(T* data, const RITypes&... ris);
virtual const T& operator[](const IndexType& i) const override;
virtual T& operator[](const IndexType& i) override;
virtual const T& at(const typename CRange::IndexType::MetaType& meta) const override;
virtual T& at(const typename CRange::IndexType::MetaType& meta) override;
virtual const T* data() const override;
virtual T* data() override;
virtual bool isSlice() const override;
virtual IndexType begin() const override;
virtual IndexType end() const override;
private:
T* mData;
size_t mStartPos;
std::array<size_t,sizeof...(SRange)+1> mBlockSizes;
};
} // end namespace MultiArrayTools
/* ========================= *
* --- TEMPLATE CODE --- *
* ========================= */
namespace MultiArrayTools
{
namespace
{
template <bool ISINDEX>
struct XX
{
template <class RI>
static auto ri_to_tuple(const std::shared_ptr<RI>& ri)
-> std::tuple<RI>
{
return std::make_tuple(ri);
}
};
template <>
struct XX<true>
{
template <class RI>
static auto ri_to_tuple(const std::shared_ptr<RI>& ri)
-> std::tuple<>
{
return std::make_tuple();
}
};
template <class... RITypes>
auto mkSliceRange(const std::shared_ptr<RITypes>&... ris)
{
return std::tuple_cat(XX<RITypes::ISINDEX>::ri_to_tuple(ris)...);
}
}
/*************
* Slice *
*************/
/*
template <typename T, class... SRanges>
Slice<T,SRanges...>::Slice(T* data, const RITypes&... ris) :
MutableMultiArrayBase<T,SRanges...>( mkSliceRange(ris...) ),
mData(data),
mStartPos(mkSliceStart(ris...)),
mBlockSizes(mkSliceBlocks(ris...)) {}
*/ //!!!!!
template <typename T, class... SRanges>
const T& Slice<T,SRanges...>::operator[](const IndexType& i) const
{
assert(i.sliceMode()); // -> compare objects !!!!!
return mData[ i.pos() ];
}
template <typename T, class... SRanges>
T& Slice<T,SRanges...>::operator[](const IndexType& i)
{
assert(i.sliceMode());
return mData[ i.pos() ];
}
template <typename T, class... SRanges>
const T& Slice<T,SRanges...>::at(const typename CRange::IndexType::MetaType& meta) const
{
assert(i.sliceMode());
return mData[ begin().at(meta).pos() ];
}
template <typename T, class... SRanges>
T& Slice<T,SRanges...>::at(const typename CRange::IndexType::MetaType& meta)
{
assert(i.sliceMode());
return mData[ begin().at(meta).pos() ];
}
template <typename T, class... SRanges>
const T* Slice<T,SRanges...>::data() const
{
return mData;
}
template <typename T, class... SRanges>
T* Slice<T,SRanges...>::data()
{
return mData;
}
template <typename T, class... SRanges>
bool Slice<T,SRanges...>::isSlice() const
{
return true;
}
template <typename T, class... SRanges>
IndexType Slice<T,SRanges...>::begin() const
{
IndexType i(mRange, mBlockSizes);
i = mStartPos;
return i.setData(data());
}
template <typename T, class... SRanges>
IndexType Slice<T,SRanges...>::end() const
{
IndexType i(mRange, mBlockSizes);
i = std::get<sizeof...(SRanges)>(mBlockSizes);
return i.setData(data());
}
} // end namespace MultiArrayTools
#endif