Subroutines in LAPACK Have got a naming Conference that makes the identifiers pretty compact. This was needed as the main Fortran expectations only supported identifiers up to 6 people very long, Hence the names needed to be shortened to suit into this limit.[2]: "Naming Scheme" So Why don't you just https://lapak7799751.bloggazzo.com/26397700/fascination-about-lapak-77