rpl/lapack/lapack/zupgtr.f - diff

Return to zupgtr.f CVS log

Up to [local] / rpl / lapack / lapack

Diff for /rpl/lapack/lapack/zupgtr.f between versions 1.1 and 1.14

-version 1.1, 2010/01/26 15:22:46
+version 1.14, 2017/06/17 10:54:34
  Line 1
+ *> \brief \b ZUPGTR
+ *
+ *  =========== DOCUMENTATION ===========
+ *
+ * Online html documentation available at
+ *            http://www.netlib.org/lapack/explore-html/
+ *
+ *> \htmlonly
+ *> Download ZUPGTR + dependencies
+ *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zupgtr.f">
+ *> [TGZ]</a>
+ *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zupgtr.f">
+ *> [ZIP]</a>
+ *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zupgtr.f">
+ *> [TXT]</a>
+ *> \endhtmlonly
+ *
+ *  Definition:
+ *  ===========
+ *
+ *       SUBROUTINE ZUPGTR( UPLO, N, AP, TAU, Q, LDQ, WORK, INFO )
+ *
+ *       .. Scalar Arguments ..
+ *       CHARACTER          UPLO
+ *       INTEGER            INFO, LDQ, N
+ *       ..
+ *       .. Array Arguments ..
+ *       COMPLEX*16         AP( * ), Q( LDQ, * ), TAU( * ), WORK( * )
+ *       ..
+ *
+ *
+ *> \par Purpose:
+ *  =============
+ *>
+ *> \verbatim
+ *>
+ *> ZUPGTR generates a complex unitary matrix Q which is defined as the
+ *> product of n-1 elementary reflectors H(i) of order n, as returned by
+ *> ZHPTRD using packed storage:
+ *>
+ *> if UPLO = 'U', Q = H(n-1) . . . H(2) H(1),
+ *>
+ *> if UPLO = 'L', Q = H(1) H(2) . . . H(n-1).
+ *> \endverbatim
+ *
+ *  Arguments:
+ *  ==========
+ *
+ *> \param[in] UPLO
+ *> \verbatim
+ *>          UPLO is CHARACTER*1
+ *>          = 'U': Upper triangular packed storage used in previous
+ *>                 call to ZHPTRD;
+ *>          = 'L': Lower triangular packed storage used in previous
+ *>                 call to ZHPTRD.
+ *> \endverbatim
+ *>
+ *> \param[in] N
+ *> \verbatim
+ *>          N is INTEGER
+ *>          The order of the matrix Q. N >= 0.
+ *> \endverbatim
+ *>
+ *> \param[in] AP
+ *> \verbatim
+ *>          AP is COMPLEX*16 array, dimension (N*(N+1)/2)
+ *>          The vectors which define the elementary reflectors, as
+ *>          returned by ZHPTRD.
+ *> \endverbatim
+ *>
+ *> \param[in] TAU
+ *> \verbatim
+ *>          TAU is COMPLEX*16 array, dimension (N-1)
+ *>          TAU(i) must contain the scalar factor of the elementary
+ *>          reflector H(i), as returned by ZHPTRD.
+ *> \endverbatim
+ *>
+ *> \param[out] Q
+ *> \verbatim
+ *>          Q is COMPLEX*16 array, dimension (LDQ,N)
+ *>          The N-by-N unitary matrix Q.
+ *> \endverbatim
+ *>
+ *> \param[in] LDQ
+ *> \verbatim
+ *>          LDQ is INTEGER
+ *>          The leading dimension of the array Q. LDQ >= max(1,N).
+ *> \endverbatim
+ *>
+ *> \param[out] WORK
+ *> \verbatim
+ *>          WORK is COMPLEX*16 array, dimension (N-1)
+ *> \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 December 2016
+ *
+ *> \ingroup complex16OTHERcomputational
+ *
+ *  =====================================================================
        SUBROUTINE ZUPGTR( UPLO, N, AP, TAU, Q, LDQ, WORK, INFO )
  *
- *  -- LAPACK routine (version 3.2) --
+ *  -- LAPACK computational routine (version 3.7.0) --
  *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
  *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
- *     November 2006
+ *     December 2016
  *
  *     .. Scalar Arguments ..
        CHARACTER          UPLO
- Line 13
+ Line 127
        COMPLEX*16         AP( * ), Q( LDQ, * ), TAU( * ), WORK( * )
  *     ..
  *
- *  Purpose
- *  =======
- *
- *  ZUPGTR generates a complex unitary matrix Q which is defined as the
- *  product of n-1 elementary reflectors H(i) of order n, as returned by
- *  ZHPTRD using packed storage:
- *
- *  if UPLO = 'U', Q = H(n-1) . . . H(2) H(1),
- *
- *  if UPLO = 'L', Q = H(1) H(2) . . . H(n-1).
- *
- *  Arguments
- *  =========
- *
- *  UPLO    (input) CHARACTER*1
- *          = 'U': Upper triangular packed storage used in previous
- *                 call to ZHPTRD;
- *          = 'L': Lower triangular packed storage used in previous
- *                 call to ZHPTRD.
- *
- *  N       (input) INTEGER
- *          The order of the matrix Q. N >= 0.
- *
- *  AP      (input) COMPLEX*16 array, dimension (N*(N+1)/2)
- *          The vectors which define the elementary reflectors, as
- *          returned by ZHPTRD.
- *
- *  TAU     (input) COMPLEX*16 array, dimension (N-1)
- *          TAU(i) must contain the scalar factor of the elementary
- *          reflector H(i), as returned by ZHPTRD.
- *
- *  Q       (output) COMPLEX*16 array, dimension (LDQ,N)
- *          The N-by-N unitary matrix Q.
- *
- *  LDQ     (input) INTEGER
- *          The leading dimension of the array Q. LDQ >= max(1,N).
- *
- *  WORK    (workspace) COMPLEX*16 array, dimension (N-1)
- *
- *  INFO    (output) INTEGER
- *          = 0:  successful exit
- *          < 0:  if INFO = -i, the i-th argument had an illegal value
- *
  *  =====================================================================
  *
  *     .. Parameters ..

CVSweb interface <joel.bertrand@systella.fr>

Removed from v.1.1
changed lines
	Added in v.1.14