--- rpl/lapack/lapack/zunbdb4.f 2014/01/27 09:28:44 1.2 +++ rpl/lapack/lapack/zunbdb4.f 2023/08/07 08:39:43 1.9 @@ -2,8 +2,8 @@ * * =========== DOCUMENTATION =========== * -* Online html documentation available at -* http://www.netlib.org/lapack/explore-html/ +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ * *> \htmlonly *> Download ZUNBDB4 + dependencies @@ -21,7 +21,7 @@ * SUBROUTINE ZUNBDB4( M, P, Q, X11, LDX11, X21, LDX21, THETA, PHI, * TAUP1, TAUP2, TAUQ1, PHANTOM, WORK, LWORK, * INFO ) -* +* * .. Scalar Arguments .. * INTEGER INFO, LWORK, M, P, Q, LDX11, LDX21 * .. @@ -30,10 +30,10 @@ * COMPLEX*16 PHANTOM(*), TAUP1(*), TAUP2(*), TAUQ1(*), * $ WORK(*), X11(LDX11,*), X21(LDX21,*) * .. -* -* +* +* *> \par Purpose: -*> ============= +* ============= *> *>\verbatim *> @@ -124,14 +124,14 @@ *> *> \param[out] TAUP1 *> \verbatim -*> TAUP1 is COMPLEX*16 array, dimension (P) +*> TAUP1 is COMPLEX*16 array, dimension (M-Q) *> The scalar factors of the elementary reflectors that define *> P1. *> \endverbatim *> *> \param[out] TAUP2 *> \verbatim -*> TAUP2 is COMPLEX*16 array, dimension (M-P) +*> TAUP2 is COMPLEX*16 array, dimension (M-Q) *> The scalar factors of the elementary reflectors that define *> P2. *> \endverbatim @@ -161,7 +161,7 @@ *> \verbatim *> LWORK is INTEGER *> The dimension of the array WORK. LWORK >= M-Q. -*> +*> *> If LWORK = -1, then a workspace query is assumed; the routine *> only calculates the optimal size of the WORK array, returns *> this value as the first entry of the WORK array, and no error @@ -178,12 +178,10 @@ * Authors: * ======== * -*> \author Univ. of Tennessee -*> \author Univ. of California Berkeley -*> \author Univ. of Colorado Denver -*> \author NAG Ltd. -* -*> \date July 2012 +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. * *> \ingroup complex16OTHERcomputational * @@ -213,10 +211,9 @@ $ TAUP1, TAUP2, TAUQ1, PHANTOM, WORK, LWORK, $ INFO ) * -* -- LAPACK computational routine (version 3.5.0) -- +* -- LAPACK computational routine -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* July 2012 * * .. Scalar Arguments .. INTEGER INFO, LWORK, M, P, Q, LDX11, LDX21 @@ -241,7 +238,8 @@ LOGICAL LQUERY * .. * .. External Subroutines .. - EXTERNAL ZLARF, ZLARFGP, ZUNBDB5, ZDROT, ZSCAL, XERBLA + EXTERNAL ZLARF, ZLARFGP, ZUNBDB5, ZDROT, ZSCAL, ZLACGV, + $ XERBLA * .. * .. External Functions .. DOUBLE PRECISION DZNRM2 @@ -344,9 +342,8 @@ $ X21(I+1,I), LDX21, WORK(ILARF) ) CALL ZLACGV( Q-I+1, X21(I,I), LDX21 ) IF( I .LT. M-Q ) THEN - S = SQRT( DZNRM2( P-I, X11(I+1,I), 1, X11(I+1,I), - $ 1 )**2 + DZNRM2( M-P-I, X21(I+1,I), 1, X21(I+1,I), - $ 1 )**2 ) + S = SQRT( DZNRM2( P-I, X11(I+1,I), 1 )**2 + $ + DZNRM2( M-P-I, X21(I+1,I), 1 )**2 ) PHI(I) = ATAN2( S, C ) END IF *