im com

src/multi_array_operation.cc

@@ -13,16 +13,31 @@ namespace MultiArrayTools
     // purely virtual at the moment
 
 
+    /***************************
+     *   OperationTemplate     *
+     ***************************/
+
+    template <class OperationClass>
+    template <class Second>
+    Operation<OperationClass,Second> OperationTemplate<OperationClass>::operator+(Second&& in) const
+    {
+	return Operation<double,std::plus<double>,OperationClass,Second>(*this, in);
+    }
+    
     /*************************
      *   OperationMaster     *
      *************************/
 
     template <typename T, class... Ranges>
-    OperationMaster<T,Ranges...>::OperationMaster(MutableMultiArrayBase& ma,
-						  const ContainerRange<Ranges...>::IndexType& index) :
+    OperationMaster<T,Ranges...>::
+    OperationMaster(MutableMultiArrayBase& ma,
+		    std::shared_ptr<ContainerRange<Ranges...>::IndexType>& index) :
 	mArrayRef(ma), mIndex()
     {
-	(*mIndex) = index; // implement corresp member fucntion in MultiIndex
+	(*mIndex) = *index;
+	for(*mIndex = 0; mIndex->pos() != mIndex->max(); ++(*mIndex)){
+	    get() = mSecond.get();
+	}
     }
     
     template <typename T, class... Ranges>
@@ -69,6 +84,12 @@ namespace MultiArrayTools
 	mIndex(indices...);
     }
 
+    template <typename T, class... Ranges>
+    OperationMaster<T,Ranges...> OperationRoot<T,Ranges...>::operator=(const OperationBase<T>& in)
+    {
+	return OperationMaster<T,Ranges...>(mArrayRef, in, mIndex);
+    }
+    
     template <typename T, class... Ranges>
     const T& OperationRoot<T,Ranges...>::get() const
     {

src/multi_array_operation.h

@@ -52,6 +52,15 @@ namespace MultiArrayTools
 	virtual T& get() = 0;
     };
 
+    template <class OperationClass>
+    class OperationTemplate
+    {
+    public:
+	
+	template <class Second>
+	Operation<OperationClass,Second> operator+(const Second& in) const;
+    };
+    
     template <typename T, class... Ranges>
     class OperationMaster : public MutableOperationBase<T>
     {
@@ -60,17 +69,18 @@ namespace MultiArrayTools
 	typedef OperationBase<T> OB;
 	typedef typename MultiRange<Ranges...>::IndexType IndexType;
 
-	OperationMaster(OperationRoot<T,Ranges...>&& root);
+	OperationMaster(MutableMultiArrayBase& ma, OperationBase<T>& second,
+			const ContainerRange<Ranges...>::IndexType& index);
 		
 	virtual T& get() override;
 	virtual const T& get() const override;
 
     protected:
 
-	void performAssignment(const MultiArrayOperationBase<T>& in);
-	
+	//void performAssignment(const OperationBase<T>& in);
+	OperationBase<T> const& mSecond;
 	MutableMultiArrayBase<T,CRange>& mArrayRef;
-	mutable IndexType mIndex;
+	std::shared_ptr<IndexType> mIndex;
     };
 
     
@@ -110,6 +120,8 @@ namespace MultiArrayTools
 	OperationRoot(MutableMultiArrayBase<T,CRange>& ma,
 		      const std::shared_ptr<typename Ranges::IndexType>&... indices);
 
+	OperationMaster<T,Ranges...> operator=(const OperationBase<T>& in);
+	
 	virtual const T& get() const override;
 	virtual T& get() override;
 	

src/multi_range.cc

@@ -31,6 +31,15 @@ namespace MultiArrayTools
 	return *this;
     }
 
+    template <class... Indices>
+    MultiIndex<Indices...>& MultiIndex<Indices...>::operator=(ContainerIndex<Indices...>& ci)
+    {
+	IndexI::operator=(in);
+	PackNum<sizeof...(Indices)-1>::copyInst(mIPack, ci);
+	IB::mPos = PackNum<sizeof...(Indices)-1>::makePos(mIPack);
+	return *this;
+    }
+    
     template <class... Indices>
     template <class MRange>
     MultiIndex<Indices...>::MultiIndex(const std::shared_ptr<MRange>& range) :

src/multi_range.h

@@ -33,6 +33,7 @@ namespace MultiArrayTools
 	// ( have to assign sub-indices (ptr!) correctly )
 	MultiIndex(const MultiIndex& in);
 	MultiIndex& operator=(const MultiIndex& in);
+	MultiIndex& operator=(const ContainerIndex<Indices...>& ci);
 
 	template <class MRange>
 	MultiIndex(const std::shared_ptr<MRange>& range);

src/op_unit_test.cc

@@ -0,0 +1,78 @@
+// -*- C++ -*-
+
+#include <cstdlib>
+#include "gtest/gtest.h"
+#include <iostream>
+
+#include "multi_array_header.h"
+
+namespace MAT = MultiArrayTools;
+
+namespace {
+
+    using namespace MAT;
+
+    template <class Factory, typename T>
+    void swapFactory(std::shared_ptr<RangeFactoryBase>& fptr, std::initializer_list<T> ilist)
+    {
+	std::vector<T> tmp = ilist;
+	auto nptr = std::make_shared<Factory>( tmp );
+	fptr = nptr;
+    }
+
+    template <class Factory, class... Rs>
+    void swapMFactory(std::shared_ptr<RangeFactoryBase>& fptr, const Rs&... rs)
+    {
+	auto nptr = std::make_shared<Factory>( rs... );
+	fptr = nptr;
+    }
+
+    template <typename... Ts>
+    auto mkt(Ts&&... ts) -> decltype(std::make_tuple(ts...))
+    {
+	return std::make_tuple(ts...);
+    }
+    
+    class OpTest_1Dim : public ::testing::Test
+    {
+    protected:
+
+	typedef SingleRangeFactory<char,RangeType::ANY> SRF;
+	typedef SRF::oType SRange;
+
+	typedef ContainerRangeFactory<SRange> CRF;
+	typedef CRF::oType CRange;
+
+	OpTest_1Dim()
+	{
+	    swapFactory<SRF>(rfbptr, {'a', 'l', 'f', 'g'} );
+	    srptr = std::dynamic_pointer_cast<SRange>( rfbptr->create() );
+
+	    swapMFactory<CRF>(srptr);
+	    crptr = std::dynamic_pointer_cast<CRange>( rfbptr->create() );
+	}
+
+	std::shared_ptr<RangeFactoryBase> rfbptr;
+	std::shared_ptr<SRange> srptr;
+	std::shared_ptr<CRange> crptr;
+	std::vector<double> v1 = { 2.917, 9.436, 0.373, 7.192 };
+	std::vector<double> v2 = { 8.870, 4.790, 8.215, 5.063 };
+    };
+
+    TEST_F(OpTest_1Dim, ExecOp)
+    {
+	MultiArray<double,CRange> ma1(crptr, v1);
+	MultiArray<double,CRange> ma2(crptr, v2);
+	MultiArray<double,CRange> res(crptr);
+
+	std::map<std::string,std::shared_ptr<SRange::IndexType> > m;
+	res(m["mu"]) = ma1(m["mu"]) + ma2(m["mu"]);
+    }
+
+} // anonymous namspace
+
+int main(int argc, char** argv)
+{
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}

src/pack_num.h

@@ -119,6 +119,14 @@ namespace MultiArrayHelper
 	    PackNum<N-1>::copy(ip, ind);
 	}
 
+	template <template<class...> class IndexType, class... Indices>
+	static void copyInst(std::tuple<std::shared_ptr<Indices>...>& ip,
+			     const IndexType<Indices...>& ind)
+	{
+	    std::get<N>(ip) = ind.template getPtr<N>() ;
+	    PackNum<N-1>::copy(ip, ind);
+	}
+	
 	template <class... Indices>
 	static size_t makePos(const std::tuple<std::shared_ptr<Indices>...>& iPtrTup)
 	{
@@ -220,6 +228,13 @@ namespace MultiArrayHelper
 	    std::get<0>(ip) = std::shared_ptr<SubIndexType>( new SubIndexType( ind.template get<0>() ) );
 	}
 
+	template <template<class...> class IndexType, class... Indices>
+	static void copyInst(std::tuple<std::shared_ptr<Indices>...>& ip,
+			     const IndexType<Indices...>& ind)
+	{
+	    std::get<0>(ip) = ind.template getPtr<0>();
+	}
+	
 	template <class... Indices>
 	static size_t makePos(const std::tuple<std::shared_ptr<Indices>...>& iPtrTup)
 	{