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fix: copying slicecontraction changes instance of internal targte array -> use shared ptr

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This commit is contained in:
Christian Zimmermann 2018-09-25 14:06:17 +02:00
parent d13d9f7b72
commit ca01dcaa10
1 changed files with 9 additions and 7 deletions
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16
src/include/multi_array_operation.h
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@ -482,14 +482,14 @@ namespace MultiArrayTools
private:
const Op& mOp;
mutable MultiArray<T,typename Indices::RangeType...> mCont;
mutable std::shared_ptr<MultiArray<T,typename Indices::RangeType...> > mCont;
mutable OperationRoot<T,typename Indices::RangeType...> mTarOp;
public:
typedef decltype(mOp.rootSteps(0)) ETuple;
SliceContraction(const Op& op, std::shared_ptr<Indices>... ind);
template <class ET>
inline const value_type& get(ET pos) const;
@ -1011,8 +1011,9 @@ namespace MultiArrayTools
SliceContraction<T,Op,Indices...>::SliceContraction(const Op& op,
std::shared_ptr<Indices>... ind) :
mOp(op),
mCont(ind->range()...),
mTarOp(mCont,ind...) {}
mCont(std::make_shared<MultiArray<T,typename Indices::RangeType...> >(ind->range()...)),
mTarOp(*mCont,ind...)
{ }
// forward loop !!!!
template <typename T, class Op, class... Indices>
@ -1020,9 +1021,10 @@ namespace MultiArrayTools
inline const MultiArray<T,typename Indices::RangeType...>&
SliceContraction<T,Op,Indices...>::get(ET pos) const
{
mCont *= 0; // grrr
mTarOp = mOp.set(pos); // SET FUNCTION!!
return mCont;
*mCont = 0;
mOp.set(pos);
mTarOp = mOp;
return *mCont;
}
template <typename T, class Op, class... Indices>