https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-c/2024-2/p-ormr2-p-unmr2.html
p?ormr2/p?unmr2
Multiplies a general matrix by the orthogonal/unitary matrix from an RQ factorization determined by p?gerqf (unblocked algorithm).
p