--- rpl/lapack/lapack/zunm2r.f 2011/07/22 07:38:22 1.8 +++ rpl/lapack/lapack/zunm2r.f 2011/11/21 20:43:24 1.9 @@ -1,10 +1,168 @@ +*> \brief \b ZUNM2R +* +* =========== DOCUMENTATION =========== +* +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ +* +*> \htmlonly +*> Download ZUNM2R + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> +*> [TXT] +*> \endhtmlonly +* +* Definition: +* =========== +* +* SUBROUTINE ZUNM2R( SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, +* WORK, INFO ) +* +* .. Scalar Arguments .. +* CHARACTER SIDE, TRANS +* INTEGER INFO, K, LDA, LDC, M, N +* .. +* .. Array Arguments .. +* COMPLEX*16 A( LDA, * ), C( LDC, * ), TAU( * ), WORK( * ) +* .. +* +* +*> \par Purpose: +* ============= +*> +*> \verbatim +*> +*> ZUNM2R overwrites the general complex m-by-n matrix C with +*> +*> Q * C if SIDE = 'L' and TRANS = 'N', or +*> +*> Q**H* C if SIDE = 'L' and TRANS = 'C', or +*> +*> C * Q if SIDE = 'R' and TRANS = 'N', or +*> +*> C * Q**H if SIDE = 'R' and TRANS = 'C', +*> +*> where Q is a complex unitary matrix defined as the product of k +*> elementary reflectors +*> +*> Q = H(1) H(2) . . . H(k) +*> +*> as returned by ZGEQRF. Q is of order m if SIDE = 'L' and of order n +*> if SIDE = 'R'. +*> \endverbatim +* +* Arguments: +* ========== +* +*> \param[in] SIDE +*> \verbatim +*> SIDE is CHARACTER*1 +*> = 'L': apply Q or Q**H from the Left +*> = 'R': apply Q or Q**H from the Right +*> \endverbatim +*> +*> \param[in] TRANS +*> \verbatim +*> TRANS is CHARACTER*1 +*> = 'N': apply Q (No transpose) +*> = 'C': apply Q**H (Conjugate transpose) +*> \endverbatim +*> +*> \param[in] M +*> \verbatim +*> M is INTEGER +*> The number of rows of the matrix C. M >= 0. +*> \endverbatim +*> +*> \param[in] N +*> \verbatim +*> N is INTEGER +*> The number of columns of the matrix C. N >= 0. +*> \endverbatim +*> +*> \param[in] K +*> \verbatim +*> K is INTEGER +*> The number of elementary reflectors whose product defines +*> the matrix Q. +*> If SIDE = 'L', M >= K >= 0; +*> if SIDE = 'R', N >= K >= 0. +*> \endverbatim +*> +*> \param[in] A +*> \verbatim +*> A is COMPLEX*16 array, dimension (LDA,K) +*> The i-th column must contain the vector which defines the +*> elementary reflector H(i), for i = 1,2,...,k, as returned by +*> ZGEQRF in the first k columns of its array argument A. +*> A is modified by the routine but restored on exit. +*> \endverbatim +*> +*> \param[in] LDA +*> \verbatim +*> LDA is INTEGER +*> The leading dimension of the array A. +*> If SIDE = 'L', LDA >= max(1,M); +*> if SIDE = 'R', LDA >= max(1,N). +*> \endverbatim +*> +*> \param[in] TAU +*> \verbatim +*> TAU is COMPLEX*16 array, dimension (K) +*> TAU(i) must contain the scalar factor of the elementary +*> reflector H(i), as returned by ZGEQRF. +*> \endverbatim +*> +*> \param[in,out] C +*> \verbatim +*> C is COMPLEX*16 array, dimension (LDC,N) +*> On entry, the m-by-n matrix C. +*> On exit, C is overwritten by Q*C or Q**H*C or C*Q**H or C*Q. +*> \endverbatim +*> +*> \param[in] LDC +*> \verbatim +*> LDC is INTEGER +*> The leading dimension of the array C. LDC >= max(1,M). +*> \endverbatim +*> +*> \param[out] WORK +*> \verbatim +*> WORK is COMPLEX*16 array, dimension +*> (N) if SIDE = 'L', +*> (M) if SIDE = 'R' +*> \endverbatim +*> +*> \param[out] INFO +*> \verbatim +*> INFO is INTEGER +*> = 0: successful exit +*> < 0: if INFO = -i, the i-th argument had an illegal value +*> \endverbatim +* +* Authors: +* ======== +* +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. +* +*> \date November 2011 +* +*> \ingroup complex16OTHERcomputational +* +* ===================================================================== SUBROUTINE ZUNM2R( SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, $ WORK, INFO ) * -* -- LAPACK routine (version 3.3.1) -- +* -- LAPACK computational routine (version 3.4.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* -- April 2011 -- +* November 2011 * * .. Scalar Arguments .. CHARACTER SIDE, TRANS @@ -14,80 +172,6 @@ COMPLEX*16 A( LDA, * ), C( LDC, * ), TAU( * ), WORK( * ) * .. * -* Purpose -* ======= -* -* ZUNM2R overwrites the general complex m-by-n matrix C with -* -* Q * C if SIDE = 'L' and TRANS = 'N', or -* -* Q**H* C if SIDE = 'L' and TRANS = 'C', or -* -* C * Q if SIDE = 'R' and TRANS = 'N', or -* -* C * Q**H if SIDE = 'R' and TRANS = 'C', -* -* where Q is a complex unitary matrix defined as the product of k -* elementary reflectors -* -* Q = H(1) H(2) . . . H(k) -* -* as returned by ZGEQRF. Q is of order m if SIDE = 'L' and of order n -* if SIDE = 'R'. -* -* Arguments -* ========= -* -* SIDE (input) CHARACTER*1 -* = 'L': apply Q or Q**H from the Left -* = 'R': apply Q or Q**H from the Right -* -* TRANS (input) CHARACTER*1 -* = 'N': apply Q (No transpose) -* = 'C': apply Q**H (Conjugate transpose) -* -* M (input) INTEGER -* The number of rows of the matrix C. M >= 0. -* -* N (input) INTEGER -* The number of columns of the matrix C. N >= 0. -* -* K (input) INTEGER -* The number of elementary reflectors whose product defines -* the matrix Q. -* If SIDE = 'L', M >= K >= 0; -* if SIDE = 'R', N >= K >= 0. -* -* A (input) COMPLEX*16 array, dimension (LDA,K) -* The i-th column must contain the vector which defines the -* elementary reflector H(i), for i = 1,2,...,k, as returned by -* ZGEQRF in the first k columns of its array argument A. -* A is modified by the routine but restored on exit. -* -* LDA (input) INTEGER -* The leading dimension of the array A. -* If SIDE = 'L', LDA >= max(1,M); -* if SIDE = 'R', LDA >= max(1,N). -* -* TAU (input) COMPLEX*16 array, dimension (K) -* TAU(i) must contain the scalar factor of the elementary -* reflector H(i), as returned by ZGEQRF. -* -* C (input/output) COMPLEX*16 array, dimension (LDC,N) -* On entry, the m-by-n matrix C. -* On exit, C is overwritten by Q*C or Q**H*C or C*Q**H or C*Q. -* -* LDC (input) INTEGER -* The leading dimension of the array C. LDC >= max(1,M). -* -* WORK (workspace) COMPLEX*16 array, dimension -* (N) if SIDE = 'L', -* (M) if SIDE = 'R' -* -* INFO (output) INTEGER -* = 0: successful exit -* < 0: if INFO = -i, the i-th argument had an illegal value -* * ===================================================================== * * .. Parameters ..