https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-fortran/2025-2/p-gbtrf.html
p?gbtrf
Computes the LU factorization of a general n-by-n banded distributed matrix.
p
https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-c/2025-2/gbtrf.html
?gbtrf
Computes the LU factorization of a general m-by-n band matrix.