LAPACK 3.12.0
LAPACK: Linear Algebra PACKage

Functions  
subroutine  cgelst (trans, m, n, nrhs, a, lda, b, ldb, work, lwork, info) 
CGELST solves overdetermined or underdetermined systems for GE matrices using QR or LQ factorization with compact WY representation of Q.  
subroutine  dgelst (trans, m, n, nrhs, a, lda, b, ldb, work, lwork, info) 
DGELST solves overdetermined or underdetermined systems for GE matrices using QR or LQ factorization with compact WY representation of Q.  
subroutine  sgelst (trans, m, n, nrhs, a, lda, b, ldb, work, lwork, info) 
SGELST solves overdetermined or underdetermined systems for GE matrices using QR or LQ factorization with compact WY representation of Q.  
subroutine  zgelst (trans, m, n, nrhs, a, lda, b, ldb, work, lwork, info) 
ZGELST solves overdetermined or underdetermined systems for GE matrices using QR or LQ factorization with compact WY representation of Q.  