NAME

       zlatzm.f -

SYNOPSIS

   Functions/Subroutines
       subroutine zlatzm (SIDE, M, N, V, INCV, TAU, C1, C2, LDC, WORK)
           ZLATZM

Function/Subroutine Documentation

   subroutine zlatzm (character SIDE, integer M, integer N, complex*16, dimension( * ) V, integer
       INCV, complex*16 TAU, complex*16, dimension( ldc, * ) C1, complex*16, dimension( ldc, * )
       C2, integer LDC, complex*16, dimension( * ) WORK)
       ZLATZM

       Purpose:

            This routine is deprecated and has been replaced by routine ZUNMRZ.

            ZLATZM applies a Householder matrix generated by ZTZRQF to a matrix.

            Let P = I - tau*u*u**H,   u = ( 1 ),
                                          ( v )
            where v is an (m-1) vector if SIDE = 'L', or a (n-1) vector if
            SIDE = 'R'.

            If SIDE equals 'L', let
                   C = [ C1 ] 1
                       [ C2 ] m-1
                         n
            Then C is overwritten by P*C.

            If SIDE equals 'R', let
                   C = [ C1, C2 ] m
                          1  n-1
            Then C is overwritten by C*P.

       Parameters:
           SIDE

                     SIDE is CHARACTER*1
                     = 'L': form P * C
                     = 'R': form C * P

           M

                     M is INTEGER
                     The number of rows of the matrix C.

           N

                     N is INTEGER
                     The number of columns of the matrix C.

           V

                     V is COMPLEX*16 array, dimension
                             (1 + (M-1)*abs(INCV)) if SIDE = 'L'
                             (1 + (N-1)*abs(INCV)) if SIDE = 'R'
                     The vector v in the representation of P. V is not used
                     if TAU = 0.

           INCV

                     INCV is INTEGER
                     The increment between elements of v. INCV <> 0

           TAU

                     TAU is COMPLEX*16
                     The value tau in the representation of P.

           C1

                     C1 is COMPLEX*16 array, dimension
                                    (LDC,N) if SIDE = 'L'
                                    (M,1)   if SIDE = 'R'
                     On entry, the n-vector C1 if SIDE = 'L', or the m-vector C1
                     if SIDE = 'R'.

                     On exit, the first row of P*C if SIDE = 'L', or the first
                     column of C*P if SIDE = 'R'.

           C2

                     C2 is COMPLEX*16 array, dimension
                                    (LDC, N)   if SIDE = 'L'
                                    (LDC, N-1) if SIDE = 'R'
                     On entry, the (m - 1) x n matrix C2 if SIDE = 'L', or the
                     m x (n - 1) matrix C2 if SIDE = 'R'.

                     On exit, rows 2:m of P*C if SIDE = 'L', or columns 2:m of C*P
                     if SIDE = 'R'.

           LDC

                     LDC is INTEGER
                     The leading dimension of the arrays C1 and C2.
                     LDC >= max(1,M).

           WORK

                     WORK is COMPLEX*16 array, dimension
                                 (N) if SIDE = 'L'
                                 (M) if SIDE = 'R'

       Author:
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Date:
           November 2011

Author

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