two container indices (one const)

src/include/container_index.cc.h

@@ -11,8 +11,8 @@ namespace MultiArrayTools
 	mExternControl(false),
 	mBlockSizes(in.mBlockSizes),
 	mData(in.mData),
-	mCPos(in.mCPos),
+	mObjPtrNum(in.mObjPtrNum),
-	mObjPtrNum(in.mObjPtrNum)
+	mCPos(in.mCPos)
     {
 	sfor_pn<0,sizeof...(Indices)>
 	    ( [&](auto i)
@@ -32,8 +32,8 @@ namespace MultiArrayTools
 	mExternControl = false;
 	mBlockSizes = in.mBlockSizes;
 	mData = in.mData;
-	mCPos = in.mCPos;
 	mObjPtrNum = in.mObjPtrNum;
+	mCPos = in.mCPos;
 	sfor_pn<0,sizeof...(Indices)>
 	    ( [&](auto i)
 	    {
@@ -117,14 +117,14 @@ namespace MultiArrayTools
     
     template <typename T, class... Indices>
     template <size_t N>
-    auto ConstContainerIndex<T,Indices...>::get() const -> decltype( *std::get<N>( mIPack ) )&
+    auto& ConstContainerIndex<T,Indices...>::get() const
     {
 	return *std::get<N>( mIPack );
     }
 
     template <typename T, class... Indices>
     template <size_t N>
-    auto ConstContainerIndex<T,Indices...>::getPtr() const -> decltype( std::get<N>( mIPack ) )&
+    auto ConstContainerIndex<T,Indices...>::getPtr() const
     {
 	return std::get<N>( mIPack );
     }
@@ -274,13 +274,6 @@ namespace MultiArrayTools
 	return std::dynamic_pointer_cast<RangeType>( IB::mRangePtr );
     }
 
-    template <typename T, class... Indices>
-    template <size_t N>
-    auto ConstContainerIndex<T,Indices...>::getPtr() -> decltype( std::get<N>( mIPack ) )&
-    {
-	return std::get<N>( mIPack );
-    }
-
     template <typename T, class... Indices>
     size_t ConstContainerIndex<T,Indices...>::getStepSize(size_t n)
     {

src/include/container_index.h

@@ -18,8 +18,8 @@ namespace MultiArrayTools
     
     template <typename T, class... Indices>
     class ConstContainerIndex : public IndexInterface<ConstContainerIndex<T,Indices...>,
-						 std::tuple<typename Indices::MetaType...> >,
+						      std::tuple<typename Indices::MetaType...> >,
-			   public std::iterator<std::random_access_iterator_tag,T>
+				public std::iterator<std::random_access_iterator_tag,T>
     {
     public:
 
@@ -51,9 +51,11 @@ namespace MultiArrayTools
 	IndexPack mIPack;
 	std::array<size_t,sizeof...(Indices)+1> mBlockSizes; 
 	const T* mData = nullptr;
-	size_t mCPos;
 	std::intptr_t mObjPtrNum;
 
+    protected:
+	size_t mCPos;
+	
     public:
 
 	ConstContainerIndex(const ConstContainerIndex& in) = default;	
@@ -75,11 +77,6 @@ namespace MultiArrayTools
 		       std::intptr_t objPtrNum,
 		       const std::array<size_t,sizeof...(Indices)+1>& blockSizes);
 
-	template <size_t N>
-	auto get() const -> decltype( *std::get<N>( mIPack ) )&;
-
-	template <size_t N>
-	auto getPtr() const -> decltype( std::get<N>( mIPack ) )&;
 
 	template <size_t N>
 	size_t getBlockSize() const { return std::get<N>(mBlockSizes); }
@@ -115,7 +112,10 @@ namespace MultiArrayTools
 	std::shared_ptr<RangeType> range();
 	
 	template <size_t N>
-	auto getPtr() -> decltype( std::get<N>( mIPack ) )&;
+	auto& get() const;
+
+	template <size_t N>
+	auto getPtr() const;
 
 	size_t getStepSize(size_t n);
 
@@ -157,6 +157,151 @@ namespace MultiArrayTools
 	
     };
     
+    template <typename T, class... Indices>
+    class ContainerIndex : public ConstContainerIndex<T,Indices...>
+    {
+    public:
+
+	typedef ConstContainerIndex<T,Indices...> CCI;
+	typedef CCI IB;
+	typedef typename CCI::MetaType MetaType;
+	typedef typename CCI::IndexPack IndexPack;
+	typedef typename CCI::RangeType RangeType;
+
+	static constexpr IndexType sType() { return CCI::sType(); }
+	static constexpr size_t sDim() { return CCI::sDim(); }
+	static constexpr size_t totalDim() { return CCI::totalDim(); }
+
+	static constexpr SpaceType STYPE = CCI::STYPE;
+        static constexpr bool PARALLEL = CCI::PARALLEL;
+        
+	template <typename X>
+	using CIX = ContainerIndex<X,Indices...>;
+	
+	template <typename X>
+	friend class CIX;
+	
+    private:
+	
+	ContainerIndex() = default;
+	
+	T* mMData = nullptr;
+	
+    public:
+
+	ContainerIndex(const ContainerIndex& in) = default;	
+	ContainerIndex& operator=(const ContainerIndex& in) = default;
+
+	ContainerIndex(const ContainerIndex& in, bool copy) : CCI(in,copy)
+	{ mMData = in.mMData; }
+
+	ContainerIndex(const ConstContainerIndex<T,Indices...>& in, T* data) : CCI(in)
+	{ mMData = data; }
+
+	ContainerIndex(const ConstContainerIndex<T,Indices...>& in, T* data, bool copy) :
+	    CCI(in,copy)
+	{ mMData = data; }
+
+	ContainerIndex& copy(const ContainerIndex& in)
+	{ CCI::copy(in); mMData = in.mMData; }
+	
+	template <typename X>
+	ContainerIndex& operator=(const ContainerIndex<X,Indices...>& in)
+	{ CCI::operator=(in); return *this; }
+	
+	template <class MRange>
+	ContainerIndex(const std::shared_ptr<MRange>& range,
+		       std::intptr_t objPtrNum) : CCI(range, objPtrNum) {}
+
+	template <class MRange>
+	ContainerIndex(const std::shared_ptr<MRange>& range,
+		       std::intptr_t objPtrNum,
+		       const std::array<size_t,sizeof...(Indices)+1>& blockSizes)
+	    : CCI(range, objPtrNum, blockSizes) {}
+
+
+	template <size_t N>
+	size_t getBlockSize() const { return CCI::template getBlockSize<N>(); }
+
+	const IndexPack& pack() const { CCI::pack(); return *this; }
+	
+	ContainerIndex& sync() { return CCI::sync(); return *this; }
+	ContainerIndex& operator()(const std::shared_ptr<Indices>&... inds)
+	{ CCI::operator()(inds...); return *this; }
+        ContainerIndex& operator()(const std::tuple<std::shared_ptr<Indices>...>& inds)
+	{ CCI::operator()(inds); return *this; }
+	ContainerIndex& operator()() { CCI::operator()(); return *this; }
+
+	// ==== >>>>> STATIC POLYMORPHISM <<<<< ====
+	
+	IndexType type() const { return CCI::type(); }
+	
+	ContainerIndex& operator++() { CCI::operator++(); return *this; }
+	ContainerIndex& operator--() { CCI::operator--(); return *this; }
+	
+	ContainerIndex& operator=(size_t pos) { CCI::operator=(pos); return *this; }
+
+	int pp(std::intptr_t idxPtrNum) { return CCI::pp(idxPtrNum); }
+	int mm(std::intptr_t idxPtrNum) { return CCI::mm(idxPtrNum); }
+
+	std::string stringMeta() const { return CCI::stringMeta; }
+	MetaType meta() const { return CCI::meta(); }
+	ContainerIndex& at(const MetaType& metaPos) { CCI::at(metaPos); return *this; }
+
+	size_t dim() const { return CCI::dim(); }
+	bool first() const { return CCI::first(); }
+	bool last() const { return CCI::last(); }
+	bool sliceMode() const { return CCI::sliceMode(); }
+	
+	std::shared_ptr<RangeType> range() { return CCI::range(); }
+	
+	template <size_t N>
+	auto& get() const { return CCI::template get<N>(); }
+
+	template <size_t N>
+	auto getPtr() const { return CCI::template getPtr<N>(); }
+
+	size_t getStepSize(size_t n) { return getStepSize(n); }
+
+	template <class Exprs>
+	auto ifor(size_t step, Exprs exs) const { return CCI::ifor(step, exs); }
+
+	template <class Exprs>
+	auto iforh(size_t step, Exprs exs) const { return CCI::iforh(step, exs); }
+
+        template <class Exprs>
+	auto pifor(size_t step, Exprs exs) const { return CCI::pifor(step, exs); }
+
+	std::intptr_t container() const { return CCI::container(); }
+	ContainerIndex& format(const std::array<size_t,sizeof...(Indices)+1>& blocks)
+	{ CCI::format(blocks); return *this; }
+	
+	// Iterator Stuff
+	
+	ContainerIndex& setData(T* data) { CCI::setData(data); mMData = data; return *this; }
+	
+	const T& operator*() const { return CCI::operator*(); }
+	const T* operator->() const { return CCI::operator->(); }
+	T& operator*() { return mMData[CCI::mCPos]; }
+	T* operator->() { return &mMData[CCI::mCPos]; }
+
+	ContainerIndex operator++(int) { auto tmp = *this; ++(*this); return tmp; }
+	ContainerIndex operator--(int) { auto tmp = *this; --(*this); return tmp; }
+	ContainerIndex& operator+=(int diff) { CCI::operator+=(diff); return *this; }
+	ContainerIndex& operator-=(int diff) { CCI::operator-=(diff); return *this; }
+	ContainerIndex operator+(int num) const { CCI::operator+(num); return *this; }
+	ContainerIndex operator-(int num) const { CCI::operator-(num); return *this; }
+
+	int operator-(const ContainerIndex& it) const { return CCI::operator-(it); }
+	const T& operator[](int num) const { return CCI::operator[](num); }
+
+	bool operator<(const ContainerIndex& it) const { return CCI::operator<(it); }
+	bool operator>(const ContainerIndex& it) const { return CCI::operator>(it); }
+	bool operator<=(const ContainerIndex& it) const { return CCI::operator<=(it); }
+	bool operator>=(const ContainerIndex& it) const { return CCI::operator>=(it); }
+	
+    };
+
 } // end namespace MultiArrayTools
 
 #endif

src/include/multi_array.cc.h

@@ -96,36 +96,6 @@ namespace MultiArrayTools
         ama.mInit = false;
     }
 
-    /*
-    template <typename T, class... SRanges>
-    template <class Range2, class Range3>
-    MultiArray<T,SRanges...>::MultiArray(const MultiArray<MultiArray<T,Range2>,Range3> in) :
-	MutableMultiArrayBase<T,SRanges...>(merge(in.range(), in[ in.beginIndex() ].range()))
-	// assert that Range2 has always same extension
-    {
-	MAB::mInit = true;
-	mCont.clear();
-	for(auto i = in.beginIndex(); i != in.endIndex(); ++i){
-	    mCont.insert(mCont.end(), in[i].mCont.begin(), in[i].mCont.end());
-	}
-	assert(mCont.size() == MAB::mRange->size());
-    }
-    */
-    /*
-    template <typename T, class... SRanges>
-    template <class Range2, class Range3>
-    MultiArray<T,SRanges...>& MultiArray<T,SRanges...>::operator=(const MultiArray<MultiArray<T,Range2>,Range3> in)
-    {
-	MAB::mRange.reset(new Range(merge(in.range(), in[ in.beginIndex() ].range())));
-	// assert that Range2 has always same extension
-	mCont.clear();
-	for(auto i = in.beginIndex(); i != in.endIndex(); ++i){
-	    mCont.insert(mCont.end(), in[i].mCont.begin(), in[i].mCont.end());
-	}
-	assert(mCont.size() == MAB::mRange->size());
-	return *this;
-	} */   
-
     template <typename T, class... SRanges>
     T& MultiArray<T,SRanges...>::operator[](const IndexType& i)
     {
@@ -141,13 +111,13 @@ namespace MultiArrayTools
     template <typename T, class... SRanges>
     T& MultiArray<T,SRanges...>::at(const typename IndexType::MetaType& meta)
     {
-	return mCont[ MAB::beginIndex().at(meta).pos() ];
+	return mCont[ MAB::cbegin().at(meta).pos() ];
     }
 
     template <typename T, class... SRanges>
     const T& MultiArray<T,SRanges...>::at(const typename IndexType::MetaType& meta) const
     {
-	return mCont[ MAB::beginIndex().at(meta).pos() ];
+	return mCont[ MAB::cbegin().at(meta).pos() ];
     }
 	
     template <typename T, class... SRanges>
@@ -220,17 +190,6 @@ namespace MultiArrayTools
 	}
     }
 
-    /*
-    template <typename T, class... SRanges>
-    std::shared_ptr<MultiArrayBase<T,AnonymousRange> > MultiArray<T,SRanges...>::anonymousMove()
-    {
-	AnonymousRangeFactory arf(MAB::mRange->space());
-	MAB::mInit = false;
-	return std::make_shared<MultiArray<T,AnonymousRange> >
-	    ( std::dynamic_pointer_cast<AnonymousRange>( arf.create() ),
-	      std::move(mCont) );
-    }	
-    */
     template <typename T, class... SRanges>
     MultiArray<T,SRanges...>& MultiArray<T,SRanges...>::operator=(const T& in)
     {
@@ -270,7 +229,6 @@ namespace MultiArrayTools
             for(size_t i = 0; i != mCont.size(); ++i){
                 mCont[i] -= in.mCont[i];
             }
-//std::transform(mCont.begin(), mCont.end(), in.mCont.begin(), mCont.begin(), std::minus<T>());
 	}
 	return *this;
     }

src/include/multi_array_base.cc.h

@@ -91,38 +91,30 @@ namespace MultiArrayTools
     }
 
     template <typename T, class... SRanges>
-    typename MultiArrayBase<T,SRanges...>::IndexType MultiArrayBase<T,SRanges...>::begin() const
+    typename MultiArrayBase<T,SRanges...>::CIndexType MultiArrayBase<T,SRanges...>::begin() const
     {
-	IndexType i(*mProtoI,true);
+	return cbegin();
+    }
+    
+    template <typename T, class... SRanges>
+    typename MultiArrayBase<T,SRanges...>::CIndexType MultiArrayBase<T,SRanges...>::end() const
+    {
+	return end();
+    }
+
+    template <typename T, class... SRanges>
+    typename MultiArrayBase<T,SRanges...>::CIndexType MultiArrayBase<T,SRanges...>::cbegin() const
+    {
+	CIndexType i(*mProtoI,true);
 	i = 0;
 	return i.setData(data());
     }
     
     template <typename T, class... SRanges>
-    typename MultiArrayBase<T,SRanges...>::IndexType MultiArrayBase<T,SRanges...>::end() const
+    typename MultiArrayBase<T,SRanges...>::CIndexType MultiArrayBase<T,SRanges...>::cend() const
     {
-	IndexType i(*mProtoI,true);
+	CIndexType i(*mProtoI,true);
 	i = i.max();
-	//i = mRange->size();
-	return i.setData(data());
-    }
-    
-    template <typename T, class... SRanges>
-    typename MultiArrayBase<T,SRanges...>::IndexType
-    MultiArrayBase<T,SRanges...>::beginIndex() const
-    {
-	IndexType i(*mProtoI,true);
-	i = 0;
-	return i.setData(data());
-    }
-
-    template <typename T, class... SRanges>
-    typename MultiArrayBase<T,SRanges...>::IndexType
-    MultiArrayBase<T,SRanges...>::endIndex() const
-    {
-	IndexType i(*mProtoI,true);
-	i = i.max();
-	//i = mRange->size();
 	return i.setData(data());
     }
 
@@ -148,7 +140,7 @@ namespace MultiArrayTools
 
     template <typename T, class... SRanges>
     ConstOperationRoot<T,SRanges...>
-    MultiArrayBase<T,SRanges...>::op(const std::shared_ptr<IndexType>& ind) const
+    MultiArrayBase<T,SRanges...>::op(const std::shared_ptr<CIndexType>& ind) const
     {
 	return ConstOperationRoot<T,SRanges...>(data(), *ind);
     }
@@ -189,21 +181,6 @@ namespace MultiArrayTools
     template <typename T, class... SRanges>
     MutableMultiArrayBase<T,SRanges...>::MutableMultiArrayBase(const typename CRange::Space& 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>
     template <typename X>
@@ -217,11 +194,27 @@ namespace MultiArrayTools
     template <typename T, class... SRanges>
     T& MutableMultiArrayBase<T,SRanges...>::operator[](const std::tuple<IPTR<typename SRanges::IndexType>...>& is)
     {
-	IndexType ii(*MAB::mProtoI);
+	IndexType ii(*MAB::mProtoI,this->data());
 	ii(is);
 	return (*this)[ii];
     }
 
+    template <typename T, class... SRanges>
+    typename MutableMultiArrayBase<T,SRanges...>::IndexType MutableMultiArrayBase<T,SRanges...>::begin()
+    {
+	IndexType i(*MAB::mProtoI,this->data(),true);
+	i = 0;
+	return i.setData(data());
+    }
+    
+    template <typename T, class... SRanges>
+    typename MutableMultiArrayBase<T,SRanges...>::IndexType MutableMultiArrayBase<T,SRanges...>::end()
+    {
+	IndexType i(*MAB::mProtoI,this->data(),true);
+	i = i.max();
+	return i.setData(data());
+    }
+
     
     template <typename T, class... SRanges>
     bool MutableMultiArrayBase<T,SRanges...>::isConst() const
@@ -238,7 +231,7 @@ namespace MultiArrayTools
 
     template <typename T, class... SRanges>
     OperationRoot<T,SRanges...>
-    MutableMultiArrayBase<T,SRanges...>::op(const std::shared_ptr<IndexType>& ind)
+    MutableMultiArrayBase<T,SRanges...>::op(const std::shared_ptr<CIndexType>& ind)
     {
 	return OperationRoot<T,SRanges...>(data(), *ind);
     }
@@ -252,7 +245,7 @@ namespace MultiArrayTools
 
     template <typename T, class... SRanges>
     ConstOperationRoot<T,SRanges...>
-    MutableMultiArrayBase<T,SRanges...>::op(const std::shared_ptr<IndexType>& ind) const
+    MutableMultiArrayBase<T,SRanges...>::op(const std::shared_ptr<CIndexType>& ind) const
     {
 	return ConstOperationRoot<T,SRanges...>(data(), *ind);
     }

src/include/multi_array_base.h

@@ -57,12 +57,13 @@ namespace MultiArrayTools
 
 	typedef T value_type;
 	typedef ContainerRange<SRanges...> CRange;
-	typedef ConstContainerIndex<T,typename SRanges::IndexType...> IndexType;
+	typedef ConstContainerIndex<T,typename SRanges::IndexType...> CIndexType;
+	typedef ContainerIndex<T,typename SRanges::IndexType...> IndexType;
 
     protected:
 	bool mInit = false;
 	std::shared_ptr<CRange> mRange;
-	std::shared_ptr<IndexType> mProtoI;
+	std::shared_ptr<CIndexType> mProtoI;
 
     public:
 
@@ -82,7 +83,7 @@ namespace MultiArrayTools
 	const T& operator[](const ConstContainerIndex<X,typename SRanges::IndexType...>& i);
         const T& operator[](const std::tuple<IPTR<typename SRanges::IndexType>...>& is) const;
         
-	virtual const T& operator[](const IndexType& i) const = 0;
+	virtual const T& operator[](const CIndexType& i) const = 0;
 	virtual const T& at(const typename CRange::IndexType::MetaType& meta) const = 0;
 
 	virtual const T* data() const = 0;
@@ -90,11 +91,10 @@ namespace MultiArrayTools
 	virtual size_t size() const; 
 	virtual bool isSlice() const = 0;
 
-	virtual IndexType begin() const;
+	virtual CIndexType begin() const;
-	virtual IndexType end() const;
+	virtual CIndexType end() const;
-	
+	virtual CIndexType cbegin() const;
-	virtual IndexType beginIndex() const;
+	virtual CIndexType cend() const;
-	virtual IndexType endIndex() const;
 	
 	virtual const std::shared_ptr<CRange>& range() const;
 
@@ -103,7 +103,7 @@ namespace MultiArrayTools
 	virtual std::shared_ptr<MultiArrayBase<T,AnonymousRange> > anonymous(bool slice = false) const = 0;
 
 	virtual ConstOperationRoot<T,SRanges...>
-	op(const std::shared_ptr<IndexType>& ind) const;
+	op(const std::shared_ptr<CIndexType>& ind) const;
 	
 	virtual ConstOperationRoot<T,SRanges...>
 	operator()(const std::shared_ptr<typename SRanges::IndexType>&... inds) const;
@@ -127,13 +127,16 @@ namespace MultiArrayTools
 
 	typedef ContainerRange<SRanges...> CRange;
 	typedef MultiArrayBase<T,SRanges...> MAB;
-	typedef ConstContainerIndex<T,typename SRanges::IndexType...> IndexType;
+	typedef ContainerIndex<T,typename SRanges::IndexType...> IndexType;
+	typedef ConstContainerIndex<T,typename SRanges::IndexType...> CIndexType;
 	
 	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;
+	using MultiArrayBase<T,SRanges...>::cbegin;
+	using MultiArrayBase<T,SRanges...>::cend;
 	
 	DEFAULT_MEMBERS(MutableMultiArrayBase);
 	MutableMultiArrayBase(const std::shared_ptr<SRanges>&... ranges);
@@ -143,26 +146,24 @@ namespace MultiArrayTools
 	T& operator[](const ConstContainerIndex<X,typename SRanges::IndexType...>& i);
         T& operator[](const std::tuple<IPTR<typename SRanges::IndexType>...>& is);
         
-	virtual T& operator[](const IndexType& i) = 0;
+	virtual T& operator[](const CIndexType& i) = 0;
 	virtual T& at(const typename CRange::IndexType::MetaType& meta) = 0;
 	
 	virtual T* data() = 0;
 	
-	//virtual IndexType begin();
+	virtual IndexType begin();
-	//virtual IndexType end();
+	virtual IndexType end();
 
 	virtual bool isConst() const override;
 
-	//virtual std::shared_ptr<MultiArrayBase<T,AnonymousRange> > anonymousMove() = 0;
-	
 	virtual ConstOperationRoot<T,SRanges...>
-	op(const std::shared_ptr<IndexType>& ind) const override;
+	op(const std::shared_ptr<CIndexType>& ind) const override;
 
 	virtual ConstOperationRoot<T,SRanges...>
 	operator()(const std::shared_ptr<typename SRanges::IndexType>&... inds) const override;
 
 	virtual OperationRoot<T,SRanges...>
-	op(const std::shared_ptr<IndexType>& ind);
+	op(const std::shared_ptr<CIndexType>& ind);
 
 	virtual OperationRoot<T,SRanges...> operator()(const std::shared_ptr<typename SRanges::IndexType>&... inds);
 

src/tests/ma_unit_test.cc

@@ -103,7 +103,7 @@ namespace {
 	EXPECT_EQ( ma.isConst(), false);
 	EXPECT_EQ( ma.isSlice(), false);	
 	
-	auto i = ma.beginIndex();
+	auto i = ma.cbegin();
 	EXPECT_EQ( ma[ i.at('x') ], 3.141);
 	EXPECT_EQ( ma[ i.at('y') ], 2.718);
 	EXPECT_EQ( ma[ i.at('l') ], 1.618);
@@ -143,11 +143,11 @@ namespace {
 	std::shared_ptr<SRange> sr2 = std::dynamic_pointer_cast<SRange>( rfbptr->create() );
 	
 	MultiArray<double,MATest_1Dim::SRange> ma(srptr, vv);
-	auto i = ma.beginIndex();
+	auto i = ma.cbegin();
 	EXPECT_EQ( ma[ i.at('x') ], 3.141);
 
 	auto ma2 = ma.format( sr2 );
-	auto j = ma2.beginIndex();
+	auto j = ma2.cbegin();
 	
 	EXPECT_EQ( ma[ j.at('a') ], 3.141);
 	EXPECT_EQ( ma[ j.at('c') ], 2.718);
@@ -162,7 +162,7 @@ namespace {
 	EXPECT_EQ( ma.size(), 24u );
 	EXPECT_EQ( ma.range()->dim(), 2u );
 
-	auto i = ma.beginIndex();
+	auto i = ma.cbegin();
 	EXPECT_EQ( ma[ i.at( mkt( mkt('x', 'a'), '1' ) ) ], 2.917);
 	EXPECT_EQ( ma[ i.at( mkt( mkt('x', 'a'), '2' ) ) ], 9.436);
 
@@ -178,7 +178,7 @@ namespace {
 	MultiArray<double,MATest_MDim::MRange,MATest_MDim::SRange> ma(mrptr, sr3ptr, vv);
 
 	auto ma2 = ma.format( sr4ptr );
-	auto i = ma2.beginIndex();
+	auto i = ma2.cbegin();
 	EXPECT_EQ( ma2.at('A') , 2.917 );
 	EXPECT_EQ( ma2[ i.at('G') ], 4.892 );
 	EXPECT_EQ( ma2.at('J') , 4.790 );