makeIdentity() [2/4]

template<typename Scalar >

void syten::makeIdentity ( DenseTensor< 3, Scalar > &  a, Index  offset = 0  )

inline

Makes a rank-3 tensor a shifted identity tensor, \( A_{ijk} = 1 \mathrm{\; if\;} (i * \mathrm{dim}(2) + j + \mathrm{\; offset \;}) \equiv k \mathrm{\; else \;} 0 \).

References syten::DenseTensor< rank, Scalar >::dim(), and makeZero().

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