647 lines
18 KiB
C++
647 lines
18 KiB
C++
// -*- C++ -*-
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#ifndef __multi_array_operation_h__
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#define __multi_array_operation_h__
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#include <cstdlib>
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#include <tuple>
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#include <cmath>
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#include <map>
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#include <utility>
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#include "base_def.h"
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#include "mbase_def.h"
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#include "ranges/rheader.h"
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#include "pack_num.h"
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#include "arith.h"
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#include "xfor/xfor.h"
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namespace MultiArrayTools
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{
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namespace
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{
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using namespace MultiArrayHelper;
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}
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template <typename T, class OperationClass>
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class OperationBase
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{
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public:
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OperationClass& THIS() { return static_cast<OperationClass&>(*this); }
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const OperationClass& THIS() const { return static_cast<OperationClass const&>(*this); }
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template <typename U, class Second>
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auto operator+(const OperationBase<U,Second>& in) const;
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template <typename U, class Second>
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auto operator-(const OperationBase<U,Second>& in) const;
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template <typename U, class Second>
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auto operator*(const OperationBase<U,Second>& in) const;
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template <typename U, class Second>
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auto operator/(const OperationBase<U,Second>& in) const;
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template <class IndexType>
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auto c(const std::shared_ptr<IndexType>& ind) const
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-> Contraction<T,OperationClass,IndexType>;
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template <class... Indices>
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auto sl(const std::shared_ptr<Indices>&... inds) const
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-> ConstSlice<T,typename Indices::RangeType...>;
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template <class... Indices>
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auto slc(const std::shared_ptr<Indices>&... inds) const
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-> SliceContraction<T,OperationClass,Indices...>;
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template <class... Indices>
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auto p(const std::shared_ptr<Indices>&... inds) const
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-> ConstOperationRoot<T,typename Indices::RangeType...>;
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template <class... Indices>
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auto to(const std::shared_ptr<Indices>&... inds) const
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-> MultiArray<T,typename Indices::RangeType...>;
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template <class... Indices>
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auto addto(const std::shared_ptr<Indices>&... inds) const
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-> MultiArray<T,typename Indices::RangeType...>;
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template <class... Indices>
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auto pto(const std::shared_ptr<Indices>&... inds) const
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-> MultiArray<T,typename Indices::RangeType...>;
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template <class... Indices>
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auto paddto(const std::shared_ptr<Indices>&... inds) const
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-> MultiArray<T,typename Indices::RangeType...>;
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template <typename R, class... Args> // Args = Operation Classes
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auto a(const std::shared_ptr<function<R,T,typename Args::value_type...>>& ll, const Args&... args) const
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-> Operation<R,function<R,T,typename Args::value_type...>,OperationClass, Args...>;
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private:
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friend OperationClass;
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friend OperationTemplate<T,OperationClass>;
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OperationBase() = default;
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};
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template <typename T, class OperationClass>
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class OperationTemplate : public OperationBase<T,OperationClass>
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{
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/* empty per default; specialize if needed */
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private:
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OperationTemplate() = default;
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friend OperationClass;
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};
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template <typename T>
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struct SelfIdentity
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{
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static inline T& sapply(T& a, T b)
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{
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return a = b;
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}
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};
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enum class OpIndexAff {
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EXTERN = 0,
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TARGET = 1
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};
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template <typename T, class Target, class OpClass, OpIndexAff OIA=OpIndexAff::EXTERN>
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class AssignmentExpr2 : public ExpressionBase
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{
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private:
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AssignmentExpr2() = default;
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Target mTar;
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OpClass mSec;
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T* mDataPtr;
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public:
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static constexpr size_t LAYER = 0;
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static constexpr size_t SIZE = Target::SIZE + OpClass::SIZE;
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typedef decltype(mTar.rootSteps(0).extend( mSec.rootSteps(0) )) ExtType;
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AssignmentExpr2(T* dataPtr, const Target& tar, const OpClass& sec);
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AssignmentExpr2(const AssignmentExpr2& in) = default;
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AssignmentExpr2(AssignmentExpr2&& in) = default;
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inline void operator()(size_t start = 0);
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inline void operator()(size_t start, ExtType last);
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auto rootSteps(std::intptr_t iPtrNum = 0) const -> ExtType;
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inline void operator()(size_t mlast, DExt last) override final;
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inline DExt dRootSteps(std::intptr_t iPtrNum = 0) const override final;
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inline DExt dExtension() const override final;
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};
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//template <typename T, class OpClass>
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template <typename T, class Target, class OpClass, OpIndexAff OIA=OpIndexAff::EXTERN>
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class AddExpr : public ExpressionBase
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{
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private:
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AddExpr() = default;
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Target mTar;
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OpClass mSec;
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T* mDataPtr;
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public:
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static constexpr size_t LAYER = 0;
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static constexpr size_t SIZE = Target::SIZE + OpClass::SIZE;
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typedef decltype(mTar.rootSteps(0).extend( mSec.rootSteps(0) )) ExtType;
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// static constexpr size_t LAYER = 0;
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//static constexpr size_t SIZE = OpClass::SIZE;
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//typedef decltype(mSec.rootSteps()) ExtType;
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//AddExpr(T* dataPtr, const OpClass& sec);
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AddExpr(T* dataPtr, const Target& tar, const OpClass& sec);
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AddExpr(const AddExpr& in) = default;
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AddExpr(AddExpr&& in) = default;
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inline void operator()(size_t start = 0);
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inline void operator()(size_t start, ExtType last);
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auto rootSteps(std::intptr_t iPtrNum = 0) const -> ExtType;
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inline void operator()(size_t mlast, DExt last) override final;
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inline DExt dRootSteps(std::intptr_t iPtrNum = 0) const override final;
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inline DExt dExtension() const override final;
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};
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template <typename T, class... Ranges>
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class ConstOperationRoot : public OperationTemplate<T,ConstOperationRoot<T,Ranges...> >
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{
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public:
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typedef T value_type;
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typedef OperationBase<T,ConstOperationRoot<T,Ranges...> > OT;
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typedef ContainerRange<T,Ranges...> CRange;
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typedef ContainerIndex<T,typename Ranges::IndexType...> IndexType;
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static constexpr size_t SIZE = 1;
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static constexpr bool CONT = true;
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ConstOperationRoot(const MultiArrayBase<T,Ranges...>& ma,
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const std::shared_ptr<typename Ranges::IndexType>&... indices);
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ConstOperationRoot(std::shared_ptr<MultiArrayBase<T,Ranges...> > maptr,
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const std::shared_ptr<typename Ranges::IndexType>&... indices);
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ConstOperationRoot(const T* data, const IndexType& ind);
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template <class ET>
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inline const T& get(ET pos) const;
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template <class ET>
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inline ConstOperationRoot& set(ET pos);
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MExt<None> rootSteps(std::intptr_t iPtrNum = 0) const; // nullptr for simple usage with decltype
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template <class Expr>
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Expr loop(Expr exp) const;
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const T* data() const;
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private:
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const T* mDataPtr;
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const T* mOrigDataPtr;
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IndexType mIndex;
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std::shared_ptr<MultiArrayBase<T,Ranges...> > mMaPtr; // never remove this ptr, otherwise we lose temporary container instances!
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};
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template <typename T, class Op>
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class StaticCast : public OperationTemplate<T,StaticCast<T,Op> >
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{
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private:
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Op mOp;
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public:
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typedef T value_type;
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typedef OperationBase<T,StaticCast<T,Op> > OT;
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typedef typename Op::CRange CRange;
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typedef typename Op::IndexType IndexType;
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static constexpr size_t SIZE = Op::SIZE;
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static constexpr bool CONT = false;
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StaticCast(const Op& op);
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template <class ET>
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inline T get(ET pos) const;
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template <class ET>
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inline StaticCast& set(ET pos);
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auto rootSteps(std::intptr_t iPtrNum = 0) const
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-> decltype(mOp.rootSteps(iPtrNum));
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template <class Expr>
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Expr loop(Expr exp) const;
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};
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template <typename T, class Op>
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StaticCast<T,Op> staticcast(const Op& op)
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{
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return StaticCast<T,Op>(op);
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}
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template <class Range>
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class MetaOperationRoot : public OperationTemplate<typename Range::MetaType,
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MetaOperationRoot<Range> >
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{
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public:
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typedef typename Range::IndexType IndexType;
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typedef typename IndexType::MetaType value_type;
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typedef OperationBase<value_type,MetaOperationRoot<Range> > OT;
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static constexpr size_t SIZE = 1;
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static constexpr bool CONT = false;
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MetaOperationRoot(const std::shared_ptr<IndexType>& ind);
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template <class ET>
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inline value_type get(ET pos) const;
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template <class ET>
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inline MetaOperationRoot& set(ET pos);
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MExt<None> rootSteps(std::intptr_t iPtrNum = 0) const; // nullptr for simple usage with decltype
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template <class Expr>
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Expr loop(Expr exp) const;
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private:
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mutable IndexType mWorkIndex;
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std::shared_ptr<IndexType> mIndex;
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};
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template <typename T, class... Ranges>
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class OperationRoot : public OperationTemplate<T,OperationRoot<T,Ranges...> >
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{
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public:
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typedef T value_type;
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typedef OperationBase<T,OperationRoot<T,Ranges...> > OT;
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typedef ContainerRange<T,Ranges...> CRange;
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typedef ContainerIndex<T,typename Ranges::IndexType...> IndexType;
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static constexpr size_t SIZE = 1;
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static constexpr bool CONT = true;
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private:
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T* mDataPtr;
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T* mOrigDataPtr;
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IndexType mIndex;
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public:
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OperationRoot(MutableMultiArrayBase<T,Ranges...>& ma,
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const std::shared_ptr<typename Ranges::IndexType>&... indices);
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OperationRoot(T* data, const IndexType& ind);
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template <class OpClass>
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auto assign(const OpClass& in) const
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-> decltype(mIndex.ifor(1,in.loop(AssignmentExpr2<T,OperationRoot<T,Ranges...>,OpClass,OpIndexAff::TARGET>
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(mOrigDataPtr,*this,in))));
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template <class OpClass>
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auto assignExpr(const OpClass& in) const
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-> decltype(in.loop(AssignmentExpr2<T,OperationRoot<T,Ranges...>,OpClass>(mOrigDataPtr,*this,in)));
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template <class OpClass, class Index>
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auto assign(const OpClass& in, const std::shared_ptr<Index>& i) const
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-> decltype(i->ifor(1,in.loop(AssignmentExpr2<T,OperationRoot<T,Ranges...>,OpClass>
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(mOrigDataPtr,*this,in))));
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template <class OpClass>
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auto plus(const OpClass& in) const
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-> decltype(mIndex.ifor(1,in.loop(AddExpr<T,OperationRoot<T,Ranges...>,OpClass,OpIndexAff::TARGET>
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(mOrigDataPtr,*this,in))));
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template <class OpClass, class Index>
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auto plus(const OpClass& in, const std::shared_ptr<Index>& i) const
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-> decltype(i->ifor(1,in.loop(AddExpr<T,OperationRoot<T,Ranges...>,OpClass>
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(mOrigDataPtr,*this,in))));
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template <class OpClass>
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OperationRoot& operator=(const OpClass& in);
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template <class OpClass>
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OperationRoot& operator+=(const OpClass& in);
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OperationRoot& operator=(const OperationRoot& in);
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ParallelOperationRoot<T,Ranges...> par();
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template <class ET>
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inline T& get(ET pos) const;
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template <class ET>
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inline OperationRoot& set(ET pos);
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MExt<None> rootSteps(std::intptr_t iPtrNum = 0) const; // nullptr for simple usage with decltype
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template <class Expr>
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Expr loop(Expr exp) const;
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T* data() const;
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template <class... Indices>
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auto sl(const std::shared_ptr<Indices>&... inds)
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-> Slice<T,typename Indices::RangeType...>;
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};
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template <typename T, class... Ranges>
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class ParallelOperationRoot : public OperationTemplate<T,ParallelOperationRoot<T,Ranges...> >
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{
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public:
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typedef T value_type;
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typedef OperationBase<T,ParallelOperationRoot<T,Ranges...> > OT;
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typedef ContainerRange<T,Ranges...> CRange;
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typedef ContainerIndex<T,typename Ranges::IndexType...> IndexType;
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static constexpr size_t SIZE = 1;
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static constexpr bool CONT = true;
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private:
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T* mDataPtr;
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T* mOrigDataPtr;
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IndexType mIndex;
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public:
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ParallelOperationRoot(MutableMultiArrayBase<T,Ranges...>& ma,
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const std::shared_ptr<typename Ranges::IndexType>&... indices);
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ParallelOperationRoot(T* data, const IndexType& ind);
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template <class OpClass>
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auto assign(const OpClass& in)
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-> decltype(mIndex.pifor(1,in.loop(AssignmentExpr2<T,ParallelOperationRoot<T,Ranges...>,OpClass,OpIndexAff::TARGET>
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(mOrigDataPtr,*this,in))));
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template <class OpClass>
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auto plus(const OpClass& in)
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-> decltype(mIndex.pifor(1,in.loop(AddExpr<T,ParallelOperationRoot<T,Ranges...>,OpClass,OpIndexAff::TARGET>
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(mOrigDataPtr,*this,in))));
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template <class OpClass>
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ParallelOperationRoot& operator=(const OpClass& in);
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template <class OpClass>
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ParallelOperationRoot& operator+=(const OpClass& in);
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ParallelOperationRoot& operator=(const ParallelOperationRoot& in);
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template <class ET>
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inline T& get(ET pos) const;
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template <class ET>
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inline ParallelOperationRoot& set(ET pos);
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MExt<None> rootSteps(std::intptr_t iPtrNum = 0) const; // nullptr for simple usage with decltype
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template <class Expr>
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Expr loop(Expr exp) const;
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T* data() const;
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};
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template <typename T>
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class OperationValue : public OperationTemplate<T,OperationValue<T> >
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{
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public:
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typedef T value_type;
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typedef OperationBase<T,OperationValue<T> > OT;
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typedef ContainerRange<T,NullRange> CRange;
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typedef ContainerIndex<T,NullIndex> IndexType;
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static constexpr size_t SIZE = 0;
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static constexpr bool CONT = true;
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OperationValue(const T& val);
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template <class ET>
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inline const T& get(ET pos) const;
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template <class ET>
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inline OperationValue& set(ET pos);
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None rootSteps(std::intptr_t iPtrNum = 0) const; // nullptr for simple usage with decltype
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template <class Expr>
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Expr loop(Expr exp) const;
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private:
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T mVal;
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};
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template <class Op>
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size_t sumRootNum()
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{
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return typename Op::rootNum();
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}
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template <class Op1, class Op2, class... Ops>
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size_t sumRootNum()
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{
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return typename Op1::rootNum() + sumRootNum<Op2,Ops...>();
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}
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template <size_t N>
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struct RootSumN
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{
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template <class Op1, class... Ops>
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struct rs
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{
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static constexpr size_t SIZE = Op1::SIZE + RootSumN<N-1>::template rs<Ops...>::SIZE;
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};
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};
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template <>
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struct RootSumN<0>
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{
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template <class Op1>
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struct rs
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{
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static constexpr size_t SIZE = Op1::SIZE;
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};
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};
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template <class... Ops>
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struct RootSum
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{
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static constexpr size_t SIZE = RootSumN<sizeof...(Ops)-1>::template rs<Ops...>::SIZE;
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};
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template <typename T, class OpFunction, class... Ops>
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class Operation : public OperationTemplate<T,Operation<T,OpFunction,Ops...> >
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{
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public:
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typedef T value_type;
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typedef OperationBase<T,Operation<T,OpFunction,Ops...> > OT;
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typedef OpFunction F;
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static constexpr size_t SIZE = RootSum<Ops...>::SIZE;
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static constexpr bool FISSTATIC = OpFunction::FISSTATIC;
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static constexpr bool CONT = false;
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private:
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std::tuple<Ops...> mOps;
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std::shared_ptr<OpFunction> mF; // only if non-static
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public:
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typedef decltype(PackNum<sizeof...(Ops)-1>::template mkSteps<Ops...>(0, mOps)) ETuple;
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Operation(const Ops&... ops);
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Operation(std::shared_ptr<OpFunction> ff, const Ops&... ops);
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template <class ET>
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inline auto get(ET pos) const;
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template <class ET>
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inline Operation& set(ET pos);
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auto rootSteps(std::intptr_t iPtrNum = 0) const // nullptr for simple usage with decltype
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-> decltype(PackNum<sizeof...(Ops)-1>::mkSteps(iPtrNum, mOps));
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template <class Expr>
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auto loop(Expr exp) const
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-> decltype(PackNum<sizeof...(Ops)-1>::mkLoop( mOps, exp));
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};
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namespace
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{
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template <bool FISSTATIC>
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struct OpMaker
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{
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template <class OpFunction, class... Ops>
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static inline auto mkOperation(const std::shared_ptr<OpFunction>& f, const Ops&... ops)
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-> Operation<typename OpFunction::value_type,OpFunction,Ops...>
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{
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return Operation<typename OpFunction::value_type,OpFunction,Ops...>(f,ops...);
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}
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};
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template <>
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struct OpMaker<true>
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{
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template <class OpFunction, class... Ops>
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static inline auto mkOperation(const std::shared_ptr<OpFunction>& f, const Ops&... ops)
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-> Operation<typename OpFunction::value_type,OpFunction,Ops...>
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{
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return Operation<typename OpFunction::value_type,OpFunction,Ops...>(ops...);
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}
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};
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}
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template <class OpFunction, class... Ops>
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auto mkOperation(const std::shared_ptr<OpFunction>& f, const Ops&... ops)
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-> Operation<typename OpFunction::value_type,OpFunction,Ops...>
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{
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return OpMaker<OpFunction::FISSTATIC>::mkOperation(f, ops...);
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}
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template <typename T, class Op, class IndexType>
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class Contraction : public OperationTemplate<T,Contraction<T,Op,IndexType> >
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{
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public:
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typedef T value_type;
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typedef OperationBase<T,Contraction<T,Op,IndexType> > OT;
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static constexpr size_t SIZE = Op::SIZE;
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static constexpr bool CONT = Op::CONT;
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private:
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Op mOp;
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std::shared_ptr<IndexType> mInd;
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public:
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typedef decltype(mOp.rootSteps(0)) ETuple;
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Contraction(const Op& op, std::shared_ptr<IndexType> ind);
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template <class ET>
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inline auto get(ET pos) const
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-> decltype(mOp.template get<ET>(pos));
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template <class ET>
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inline Contraction& set(ET pos);
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auto rootSteps(std::intptr_t iPtrNum = 0) const // nullptr for simple usage with decltype
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-> decltype(mOp.rootSteps(iPtrNum));
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template <class Expr>
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auto loop(Expr exp) const
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-> decltype(mInd->iforh(1,mOp.loop(exp)));
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};
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template <typename T, class Op, class... Indices>
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// class SliceContraction : public OperationTemplate
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//<MultiArray<T,typename Indices::RangeType...>,
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//SliceContraction<MultiArray<T,typename Indices::RangeType...>,Op,Indices...> >
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class SliceContraction : public OperationTemplate<T,SliceContraction<T,Op,Indices...> >
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{
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public:
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typedef MultiArray<T,typename Indices::RangeType...> value_type;
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typedef OperationTemplate<T,SliceContraction<T,Op,Indices...> > OT;
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|
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static constexpr size_t SIZE = Op::SIZE;
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static constexpr bool CONT = false;
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private:
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mutable Op mOp;
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mutable std::shared_ptr<MultiArray<T,typename Indices::RangeType...> > mCont;
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mutable OperationRoot<T,typename Indices::RangeType...> mTarOp;
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|
|
public:
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typedef decltype(mOp.rootSteps(0)) ETuple;
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|
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SliceContraction(const Op& op, std::shared_ptr<Indices>... ind);
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template <class ET>
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inline const value_type& get(ET pos) const;
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template <class ET>
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inline SliceContraction& set(ET pos);
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|
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auto rootSteps(std::intptr_t iPtrNum = 0) const // nullptr for simple usage with decltype
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|
-> decltype(mOp.rootSteps(iPtrNum));
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|
|
template <class Expr>
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auto loop(Expr exp) const -> decltype(mOp.loop(exp)); // no loop
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};
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}
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#include "type_operations.h"
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#endif
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