https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-fortran/2025-2/p-orm2l-p-unm2l.html
p?orm2l/p?unm2l
Multiplies a general matrix by the orthogonal/unitary matrix from a QL factorization determined by p?geqlf (unblocked algorithm).
p