fortran-lapack
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la_lapack::ungql Interface Reference

UNGQL: generates an M-by-N complex matrix Q with orthonormal columns, which is defined as the last N columns of a product of K elementary reflectors of order M Q = H(k) . . . H(2) H(1) as returned by CGEQLF. More...

Public Member Functions

pure subroutine cungql (m, n, k, a, lda, tau, work, lwork, info)
 
 la_cungql
 
 la_wungql
 
pure subroutine zungql (m, n, k, a, lda, tau, work, lwork, info)
 
 la_zungql
 

Detailed Description

UNGQL: generates an M-by-N complex matrix Q with orthonormal columns, which is defined as the last N columns of a product of K elementary reflectors of order M Q = H(k) . . . H(2) H(1) as returned by CGEQLF.

Member Function/Subroutine Documentation

◆ cungql()

pure subroutine la_lapack::ungql::cungql ( integer(ilp), intent(in)  m,
integer(ilp), intent(in)  n,
integer(ilp), intent(in)  k,
complex(sp), dimension(lda,*), intent(inout)  a,
integer(ilp), intent(in)  lda,
complex(sp), dimension(*), intent(in)  tau,
complex(sp), dimension(*), intent(out)  work,
integer(ilp), intent(in)  lwork,
integer(ilp), intent(out)  info 
)

◆ la_cungql()

la_lapack::ungql::la_cungql

◆ la_wungql()

la_lapack::ungql::la_wungql

◆ la_zungql()

la_lapack::ungql::la_zungql

◆ zungql()

pure subroutine la_lapack::ungql::zungql ( integer(ilp), intent(in)  m,
integer(ilp), intent(in)  n,
integer(ilp), intent(in)  k,
complex(dp), dimension(lda,*), intent(inout)  a,
integer(ilp), intent(in)  lda,
complex(dp), dimension(*), intent(in)  tau,
complex(dp), dimension(*), intent(out)  work,
integer(ilp), intent(in)  lwork,
integer(ilp), intent(out)  info 
)

The documentation for this interface was generated from the following file: