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tensor: subtensor1()

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Jiri Pittner
2026-03-09 17:10:58 +01:00
parent 9b5372fcae
commit 302055db86
3 changed files with 44 additions and 1 deletions
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3
tensor.h
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@@ -276,6 +276,9 @@ public:
Tensor(int xrank, const NRVec<INDEXGROUP> &xshape, const NRVec<LA_largeindex> &xgroupsizes, const NRVec<LA_largeindex> xcumsizes, const NRVec<T> &xdata) : myrank(xrank), shape(xshape), groupsizes(xgroupsizes), cumsizes(xcumsizes), data(xdata) {};
Tensor(int xrank, const NRVec<INDEXGROUP> &xshape, const NRVec<LA_largeindex> &xgroupsizes, const NRVec<LA_largeindex> xcumsizes, const NRVec<T> &xdata, const NRVec<INDEXNAME> &xnames) : myrank(xrank), shape(xshape), groupsizes(xgroupsizes), cumsizes(xcumsizes), data(xdata), names(xnames) {};
//subtensor - todo: more general versions
Tensor subtensor1(int i) const; //for one value of rightmost index
//conversions from/to matrix and vector
explicit Tensor(const NRVec<T> &x);
explicit Tensor(const NRMat<T> &x, bool flat=false);