Subroutines in LAPACK have a naming Conference that makes the identifiers extremely compact. This was required as the 1st Fortran benchmarks only supported identifiers up to 6 people very long, And so the names needed to be shortened to suit into this limit.[2]: "Naming Scheme" Pick the option that fits https://erickpfnuz.fireblogz.com/57883135/detailed-notes-on-lapak77