some operation utilities
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@ -305,6 +305,71 @@ namespace MultiArrayTools
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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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template <typename T, class OperationClass>
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auto operator+(const T& a, const OperationBase<T,OperationClass>& b)
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-> Operation<T,plus<T>,OperationValue<T>,OperationClass>
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{
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OperationValue<T> v(a);
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return Operation<T,plus<T>,OperationValue<T>,OperationClass>(v, b.THIS());
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}
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template <typename T, class OperationClass>
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auto operator-(const T& a, const OperationBase<T,OperationClass>& b)
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-> Operation<T,minus<T>,OperationValue<T>,OperationClass>
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{
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OperationValue<T> v(a);
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return Operation<T,minus<T>,OperationValue<T>,OperationClass>(v, b.THIS());
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}
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template <typename T, class OperationClass>
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auto operator*(const T& a, const OperationBase<T,OperationClass>& b)
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-> Operation<T,multiplies<T>,OperationValue<T>,OperationClass>
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{
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OperationValue<T> v(a);
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return Operation<T,multiplies<T>,OperationValue<T>,OperationClass>(v, b.THIS());
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}
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template <typename T, class OperationClass>
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auto operator/(const T& a, const OperationBase<T,OperationClass>& b)
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-> Operation<T,divides<T>,OperationValue<T>,OperationClass>
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{
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OperationValue<T> v(a);
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return Operation<T,divides<T>,OperationValue<T>,OperationClass>(v, b.THIS());
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}
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template <typename T, class OperationClass>
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auto operator+(const OperationBase<T,OperationClass>& a, const T& b)
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-> Operation<T,plus<T>,OperationClass,OperationValue<T> >
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{
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OperationValue<T> v(b);
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return Operation<T,plus<T>,OperationClass,OperationValue<T> >(a.THIS(), v);
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}
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template <typename T, class OperationClass>
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auto operator-(const OperationBase<T,OperationClass>& a, const T& b)
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-> Operation<T,minus<T>,OperationClass,OperationValue<T> >
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{
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OperationValue<T> v(b);
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return Operation<T,minus<T>,OperationClass,OperationValue<T> >(a.THIS(), v);
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}
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template <typename T, class OperationClass>
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auto operator*(const OperationBase<T,OperationClass>& a, const T& b)
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-> Operation<T,multiplies<T>,OperationClass,OperationValue<T> >
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{
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OperationValue<T> v(b);
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return Operation<T,multiplies<T>,OperationClass,OperationValue<T> >(a.THIS(), v);
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}
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template <typename T, class OperationClass>
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auto operator/(const OperationBase<T,OperationClass>& a, const T& b)
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-> Operation<T,divides<T>,OperationClass,OperationValue<T> >
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{
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OperationValue<T> v(b);
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return Operation<T,divides<T>,OperationClass,OperationValue<T> >(a.THIS(), v);
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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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