LAPACK 3.12.0
LAPACK: Linear Algebra PACKage

Functions  
subroutine  cgelqf (m, n, a, lda, tau, work, lwork, info) 
CGELQF  
subroutine  dgelqf (m, n, a, lda, tau, work, lwork, info) 
DGELQF  
subroutine  sgelqf (m, n, a, lda, tau, work, lwork, info) 
SGELQF  
subroutine  zgelqf (m, n, a, lda, tau, work, lwork, info) 
ZGELQF  