LAPACK 3.12.0
LAPACK: Linear Algebra PACKage

Functions  
subroutine  clarzb (side, trans, direct, storev, m, n, k, l, v, ldv, t, ldt, c, ldc, work, ldwork) 
CLARZB applies a block reflector or its conjugatetranspose to a general matrix.  
subroutine  dlarzb (side, trans, direct, storev, m, n, k, l, v, ldv, t, ldt, c, ldc, work, ldwork) 
DLARZB applies a block reflector or its transpose to a general matrix.  
subroutine  slarzb (side, trans, direct, storev, m, n, k, l, v, ldv, t, ldt, c, ldc, work, ldwork) 
SLARZB applies a block reflector or its transpose to a general matrix.  
subroutine  zlarzb (side, trans, direct, storev, m, n, k, l, v, ldv, t, ldt, c, ldc, work, ldwork) 
ZLARZB applies a block reflector or its conjugatetranspose to a general matrix.  