ZUNGQL(l)		LAPACK routine (version	1.1)		    ZUNGQL(l)

NAME
  ZUNGQL - generate an M-by-N complex matrix Q with orthonormal	columns,

SYNOPSIS

  SUBROUTINE ZUNGQL( M,	N, K, A, LDA, TAU, WORK, LWORK,	INFO )

      INTEGER	     INFO, K, LDA, LWORK, M, N

      COMPLEX*16     A(	LDA, * ), TAU( * ), WORK( LWORK	)

PURPOSE
  ZUNGQL 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 ZGEQLF.

ARGUMENTS

  M	  (input) INTEGER
	  The number of	rows of	the matrix Q. M	>= 0.

  N	  (input) INTEGER
	  The number of	columns	of the matrix Q. M >= N	>= 0.

  K	  (input) INTEGER
	  The number of	elementary reflectors whose product defines the
	  matrix Q. N >= K >= 0.

  A	  (input/output) COMPLEX*16 array, dimension (LDA,N)
	  On entry, the	(n-k+i)-th column must contain the vector which
	  defines the elementary reflector H(i), for i = 1,2,...,k, as
	  returned by ZGEQLF in	the last k columns of its array	argument A.
	  On exit, the M-by-N matrix Q.

  LDA	  (input) INTEGER
	  The first dimension of the array A. LDA >= max(1,M).

  TAU	  (input) COMPLEX*16 array, dimension (K)
	  TAU(i) must contain the scalar factor	of the elementary reflector
	  H(i),	as returned by ZGEQLF.

  WORK	  (workspace) COMPLEX*16 array,	dimension (LWORK)
	  On exit, if INFO = 0,	WORK(1)	returns	the optimal LWORK.

  LWORK	  (input) INTEGER
	  The dimension	of the array WORK. LWORK >= max(1,N).  For optimum
	  performance LWORK >= N*NB, where NB is the optimal blocksize.

  INFO	  (output) INTEGER
	  = 0:	successful exit
	  < 0:	if INFO	= -i, the i-th argument	has an illegal value