rt = ERFA.tr(r)
Transpose an r-matrix.
r double[3][3] r-matrix
rt double[3][3] transpose
It is permissible for r and rt to be the same array.
eraCr copy r-matrix
This revision: 2021 May 11
Copyright (C) 2013-2021, NumFOCUS Foundation. Derived, with permission, from the SOFA library.