This commit is contained in:
Christian Zimmermann
parent
ac352206c7
commit
a5031d80b1
2 changed files with 112 additions and 16 deletions
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@ -123,8 +123,7 @@ namespace CNORXZ
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Sptr<RangeType> mRangePtr;
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};
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/** make index pack of a CIndex and another index.
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@tparam type of the second index.
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/** Make index pack of a CIndex and another index.
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@param a pointer to CIndex.
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@param b pointer to another index.
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*/
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@ -2,10 +2,9 @@
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/**
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@file include/ranges/prange.h
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@brief ...
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@brief PRange, PRangeFactory and PIndex declaration.
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Copyright (c) 2022 Christian Zimmermann. All rights reserved.
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Copyright (c) 2024 Christian Zimmermann. All rights reserved.
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Mail: chizeta@f3l.de
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**/
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@ -20,7 +19,10 @@
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namespace CNORXZ
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{
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/** ****
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Index specific for PRange.
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@tparam IndexT Full index type.
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*/
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template <class IndexT>
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class PIndex : public IndexInterface<PIndex<IndexT>,typename IndexT::MetaType>
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{
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@ -30,51 +32,105 @@ namespace CNORXZ
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typedef PRange<typename IndexT::RangeType> RangeType;
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typedef typename IndexT::MetaType MetaType;
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/** Constructor.
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@param range Range to define index on.
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@param pos Initial lexicographic position (default = 0).
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*/
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PIndex(const RangePtr& range, SizeT pos = 0);
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/** @copydoc IndexInterface::operator=(SizeT) */
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PIndex& operator=(SizeT lexpos);
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/** @copydoc IndexInterface::operator++() */
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PIndex& operator++();
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/** @copydoc IndexInterface::operator--() */
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PIndex& operator--();
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/** @copydoc IndexInterface::operator+() */
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PIndex operator+(Int n) const;
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/** @copydoc IndexInterface::operator-() */
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PIndex operator-(Int n) const;
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/** @copydoc IndexInterface::operator-(PIndex) */
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SizeT operator-(const PIndex& i) const;
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/** @copydoc IndexInterface::operator+=() */
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PIndex& operator+=(Int n);
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/** @copydoc IndexInterface::operator-=() */
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PIndex& operator-=(Int n);
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/** @copydoc IndexInterface::lex() */
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SizeT lex() const;
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/** @copydoc IndexInterface::pmax() */
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UPos pmax() const;
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/** @copydoc IndexInterface::lmax() */
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UPos lmax() const;
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/** @copydoc IndexInterface::id() */
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IndexId<0> id() const;
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/** @copydoc IndexInterface::operator*() */
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decltype(auto) operator*() const;
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/** @copydoc IndexInterface::dim() */
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SizeT dim() const;
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/** @copydoc IndexInterface::range() */
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Sptr<RangeType> range() const;
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/** @copydoc IndexInterface::stepSize() */
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template <SizeT I>
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UPos stepSize(const IndexId<I>& id) const;
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/** @copydoc IndexInterface::stringMeta() */
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String stringMeta() const;
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/** @copydoc IndexInterface::meta() */
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decltype(auto) meta() const;
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/** @copydoc IndexInterface::at() */
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PIndex& at(const MetaType& metaPos);
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/** @copydoc IndexInterface::prange() */
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RangePtr prange(const PIndex<IndexT>& last) const;
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/** @copydoc IndexInterface::deepFormat() */
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decltype(auto) deepFormat() const;
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/** @copydoc IndexInterface::deepMax() */
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decltype(auto) deepMax() const;
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/** @copydoc IndexInterface::reformat() */
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PIndex& reformat(const Vector<SizeT>& f, const Vector<SizeT>& s);
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String stringMeta() const;
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decltype(auto) meta() const;
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PIndex& at(const MetaType& metaPos);
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decltype(auto) xpr(const Sptr<PIndex<IndexT>>& _this) const;
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/** @copydoc IndexInterface::ifor() */
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template <class Xpr, class F>
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decltype(auto) ifor(const Xpr& xpr, F&& f) const;
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PIndex& operator()();
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PIndex& operator()(const Sptr<IndexT>& i);
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const Sptr<IndexT>& orig() const;
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/** @copydoc IndexInterface::formatIsTrivial() */
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bool formatIsTrivial() const;
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/** @copydoc IndexInterface::xpr() */
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decltype(auto) xpr(const Sptr<PIndex<IndexT>>& _this) const;
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/** Replace instance of index on full range and update current position accordingly.
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@param i New index instance.
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*/
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PIndex& operator()(const Sptr<IndexT>& i);
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/** Update current index position according to the internal index on the full range. */
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PIndex& operator()();
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/** Get original index.
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@return Index corresponding to original range and current position.
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*/
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const Sptr<IndexT>& orig() const;
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private:
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Sptr<RangeType> mRangePtr;
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Sptr<IndexT> mOrig;
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@ -82,14 +138,31 @@ namespace CNORXZ
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void mkPos();
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};
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/** Make index pack of a PIndex and another index.
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@param a pointer to PIndex.
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@param b pointer to another index.
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*/
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template <class I, class I1>
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decltype(auto) operator*(const Sptr<PIndex<I>>& a, const Sptr<I1>& b);
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/** ****
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Specific factory for PRange.
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*/
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template <class RangeT>
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class PRangeFactory : public RangeFactoryBase
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{
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public:
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/** Construct and setup factory.
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@param range Full range (explicit type) the constructed range is part of.
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@param _parts Integer vector indicating the parts w.r.t. input range to be covered by the PRange.
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*/
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PRangeFactory(const Sptr<RangeT>& range, const Vector<SizeT>& _parts);
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/** Construct and setup factory.
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@param range Full range the constructed range is part of.
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@param _parts Integer vector indicating the parts of the full range.
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*/
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PRangeFactory(const RangePtr& range, const Vector<SizeT>& _parts);
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private:
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@ -100,6 +173,13 @@ namespace CNORXZ
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Vector<SizeT> mParts;
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};
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/** ****
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Partial Range.
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Ranges of these kind represent a part of a given range (full range).
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Using a mathematical nomenclature, this would be called a "sub-range".
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(The prefix "sub", as well as the letter "S" are, however, already extensively
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used in other contexts.)
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*/
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template <class RangeT>
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class PRange : public RangeInterface<PRange<RangeT>>
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{
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@ -117,8 +197,20 @@ namespace CNORXZ
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virtual const TypeInfo& metaType() const override final;
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virtual RangePtr extend(const RangePtr& r) const override final;
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/** Get the full range.
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@return Pointer to the full range.
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*/
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Sptr<RangeT> orig() const;
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/** Get the parts.
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@return Integer vector indicating the parts contained by the PRange w.r.t. the full range.
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*/
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const Vector<SizeT>& parts() const;
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/** Create a new range of the type of the full range but containing only
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the parts covered by the PRange.
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@return The created range.
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*/
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RangePtr derive() const;
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private:
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@ -133,6 +225,11 @@ namespace CNORXZ
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Vector<SizeT> mParts;
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};
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/** Create a PRange.
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Internally calls PRangeFactory.
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@param range Range to create a PRange on.
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@param parts Integer vector indicating the parts w.r.t. input range to be covered by the PRange.
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*/
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template <class RangeT>
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RangePtr prange(const Sptr<RangeT>& range, const Vector<SizeT>& parts);
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