LAPACK 3.12.0
LAPACK: Linear Algebra PACKage

Functions  
subroutine  ctprfb (side, trans, direct, storev, m, n, k, l, v, ldv, t, ldt, a, lda, b, ldb, work, ldwork) 
CTPRFB applies a complex "triangularpentagonal" block reflector to a complex matrix, which is composed of two blocks.  
subroutine  dtprfb (side, trans, direct, storev, m, n, k, l, v, ldv, t, ldt, a, lda, b, ldb, work, ldwork) 
DTPRFB applies a real "triangularpentagonal" block reflector to a real matrix, which is composed of two blocks.  
subroutine  stprfb (side, trans, direct, storev, m, n, k, l, v, ldv, t, ldt, a, lda, b, ldb, work, ldwork) 
STPRFB applies a real "triangularpentagonal" block reflector to a real matrix, which is composed of two blocks.  
subroutine  ztprfb (side, trans, direct, storev, m, n, k, l, v, ldv, t, ldt, a, lda, b, ldb, work, ldwork) 
ZTPRFB applies a complex "triangularpentagonal" block reflector to a complex matrix, which is composed of two blocks.  