--- rpl/lapack/lapack/dlarft.f 2011/07/22 07:38:07 1.8
+++ rpl/lapack/lapack/dlarft.f 2011/11/21 20:42:57 1.9
@@ -1,10 +1,174 @@
+*> \brief \b DLARFT
+*
+* =========== DOCUMENTATION ===========
+*
+* Online html documentation available at
+* http://www.netlib.org/lapack/explore-html/
+*
+*> \htmlonly
+*> Download DLARFT + dependencies
+*>
+*> [TGZ]
+*>
+*> [ZIP]
+*>
+*> [TXT]
+*> \endhtmlonly
+*
+* Definition:
+* ===========
+*
+* SUBROUTINE DLARFT( DIRECT, STOREV, N, K, V, LDV, TAU, T, LDT )
+*
+* .. Scalar Arguments ..
+* CHARACTER DIRECT, STOREV
+* INTEGER K, LDT, LDV, N
+* ..
+* .. Array Arguments ..
+* DOUBLE PRECISION T( LDT, * ), TAU( * ), V( LDV, * )
+* ..
+*
+*
+*> \par Purpose:
+* =============
+*>
+*> \verbatim
+*>
+*> DLARFT forms the triangular factor T of a real block reflector H
+*> of order n, which is defined as a product of k elementary reflectors.
+*>
+*> If DIRECT = 'F', H = H(1) H(2) . . . H(k) and T is upper triangular;
+*>
+*> If DIRECT = 'B', H = H(k) . . . H(2) H(1) and T is lower triangular.
+*>
+*> If STOREV = 'C', the vector which defines the elementary reflector
+*> H(i) is stored in the i-th column of the array V, and
+*>
+*> H = I - V * T * V**T
+*>
+*> If STOREV = 'R', the vector which defines the elementary reflector
+*> H(i) is stored in the i-th row of the array V, and
+*>
+*> H = I - V**T * T * V
+*> \endverbatim
+*
+* Arguments:
+* ==========
+*
+*> \param[in] DIRECT
+*> \verbatim
+*> DIRECT is CHARACTER*1
+*> Specifies the order in which the elementary reflectors are
+*> multiplied to form the block reflector:
+*> = 'F': H = H(1) H(2) . . . H(k) (Forward)
+*> = 'B': H = H(k) . . . H(2) H(1) (Backward)
+*> \endverbatim
+*>
+*> \param[in] STOREV
+*> \verbatim
+*> STOREV is CHARACTER*1
+*> Specifies how the vectors which define the elementary
+*> reflectors are stored (see also Further Details):
+*> = 'C': columnwise
+*> = 'R': rowwise
+*> \endverbatim
+*>
+*> \param[in] N
+*> \verbatim
+*> N is INTEGER
+*> The order of the block reflector H. N >= 0.
+*> \endverbatim
+*>
+*> \param[in] K
+*> \verbatim
+*> K is INTEGER
+*> The order of the triangular factor T (= the number of
+*> elementary reflectors). K >= 1.
+*> \endverbatim
+*>
+*> \param[in,out] V
+*> \verbatim
+*> V is DOUBLE PRECISION array, dimension
+*> (LDV,K) if STOREV = 'C'
+*> (LDV,N) if STOREV = 'R'
+*> The matrix V. See further details.
+*> \endverbatim
+*>
+*> \param[in] LDV
+*> \verbatim
+*> LDV is INTEGER
+*> The leading dimension of the array V.
+*> If STOREV = 'C', LDV >= max(1,N); if STOREV = 'R', LDV >= K.
+*> \endverbatim
+*>
+*> \param[in] TAU
+*> \verbatim
+*> TAU is DOUBLE PRECISION array, dimension (K)
+*> TAU(i) must contain the scalar factor of the elementary
+*> reflector H(i).
+*> \endverbatim
+*>
+*> \param[out] T
+*> \verbatim
+*> T is DOUBLE PRECISION array, dimension (LDT,K)
+*> The k by k triangular factor T of the block reflector.
+*> If DIRECT = 'F', T is upper triangular; if DIRECT = 'B', T is
+*> lower triangular. The rest of the array is not used.
+*> \endverbatim
+*>
+*> \param[in] LDT
+*> \verbatim
+*> LDT is INTEGER
+*> The leading dimension of the array T. LDT >= K.
+*> \endverbatim
+*
+* Authors:
+* ========
+*
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
+*
+*> \date November 2011
+*
+*> \ingroup doubleOTHERauxiliary
+*
+*> \par Further Details:
+* =====================
+*>
+*> \verbatim
+*>
+*> The shape of the matrix V and the storage of the vectors which define
+*> the H(i) is best illustrated by the following example with n = 5 and
+*> k = 3. The elements equal to 1 are not stored; the corresponding
+*> array elements are modified but restored on exit. The rest of the
+*> array is not used.
+*>
+*> DIRECT = 'F' and STOREV = 'C': DIRECT = 'F' and STOREV = 'R':
+*>
+*> V = ( 1 ) V = ( 1 v1 v1 v1 v1 )
+*> ( v1 1 ) ( 1 v2 v2 v2 )
+*> ( v1 v2 1 ) ( 1 v3 v3 )
+*> ( v1 v2 v3 )
+*> ( v1 v2 v3 )
+*>
+*> DIRECT = 'B' and STOREV = 'C': DIRECT = 'B' and STOREV = 'R':
+*>
+*> V = ( v1 v2 v3 ) V = ( v1 v1 1 )
+*> ( v1 v2 v3 ) ( v2 v2 v2 1 )
+*> ( 1 v2 v3 ) ( v3 v3 v3 v3 1 )
+*> ( 1 v3 )
+*> ( 1 )
+*> \endverbatim
+*>
+* =====================================================================
SUBROUTINE DLARFT( DIRECT, STOREV, N, K, V, LDV, TAU, T, LDT )
- IMPLICIT NONE
*
-* -- LAPACK auxiliary routine (version 3.3.1) --
+* -- LAPACK auxiliary 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 DIRECT, STOREV
@@ -14,94 +178,6 @@
DOUBLE PRECISION T( LDT, * ), TAU( * ), V( LDV, * )
* ..
*
-* Purpose
-* =======
-*
-* DLARFT forms the triangular factor T of a real block reflector H
-* of order n, which is defined as a product of k elementary reflectors.
-*
-* If DIRECT = 'F', H = H(1) H(2) . . . H(k) and T is upper triangular;
-*
-* If DIRECT = 'B', H = H(k) . . . H(2) H(1) and T is lower triangular.
-*
-* If STOREV = 'C', the vector which defines the elementary reflector
-* H(i) is stored in the i-th column of the array V, and
-*
-* H = I - V * T * V**T
-*
-* If STOREV = 'R', the vector which defines the elementary reflector
-* H(i) is stored in the i-th row of the array V, and
-*
-* H = I - V**T * T * V
-*
-* Arguments
-* =========
-*
-* DIRECT (input) CHARACTER*1
-* Specifies the order in which the elementary reflectors are
-* multiplied to form the block reflector:
-* = 'F': H = H(1) H(2) . . . H(k) (Forward)
-* = 'B': H = H(k) . . . H(2) H(1) (Backward)
-*
-* STOREV (input) CHARACTER*1
-* Specifies how the vectors which define the elementary
-* reflectors are stored (see also Further Details):
-* = 'C': columnwise
-* = 'R': rowwise
-*
-* N (input) INTEGER
-* The order of the block reflector H. N >= 0.
-*
-* K (input) INTEGER
-* The order of the triangular factor T (= the number of
-* elementary reflectors). K >= 1.
-*
-* V (input/output) DOUBLE PRECISION array, dimension
-* (LDV,K) if STOREV = 'C'
-* (LDV,N) if STOREV = 'R'
-* The matrix V. See further details.
-*
-* LDV (input) INTEGER
-* The leading dimension of the array V.
-* If STOREV = 'C', LDV >= max(1,N); if STOREV = 'R', LDV >= K.
-*
-* TAU (input) DOUBLE PRECISION array, dimension (K)
-* TAU(i) must contain the scalar factor of the elementary
-* reflector H(i).
-*
-* T (output) DOUBLE PRECISION array, dimension (LDT,K)
-* The k by k triangular factor T of the block reflector.
-* If DIRECT = 'F', T is upper triangular; if DIRECT = 'B', T is
-* lower triangular. The rest of the array is not used.
-*
-* LDT (input) INTEGER
-* The leading dimension of the array T. LDT >= K.
-*
-* Further Details
-* ===============
-*
-* The shape of the matrix V and the storage of the vectors which define
-* the H(i) is best illustrated by the following example with n = 5 and
-* k = 3. The elements equal to 1 are not stored; the corresponding
-* array elements are modified but restored on exit. The rest of the
-* array is not used.
-*
-* DIRECT = 'F' and STOREV = 'C': DIRECT = 'F' and STOREV = 'R':
-*
-* V = ( 1 ) V = ( 1 v1 v1 v1 v1 )
-* ( v1 1 ) ( 1 v2 v2 v2 )
-* ( v1 v2 1 ) ( 1 v3 v3 )
-* ( v1 v2 v3 )
-* ( v1 v2 v3 )
-*
-* DIRECT = 'B' and STOREV = 'C': DIRECT = 'B' and STOREV = 'R':
-*
-* V = ( v1 v2 v3 ) V = ( v1 v1 1 )
-* ( v1 v2 v3 ) ( v2 v2 v2 1 )
-* ( 1 v2 v3 ) ( v3 v3 v3 v3 1 )
-* ( 1 v3 )
-* ( 1 )
-*
* =====================================================================
*
* .. Parameters ..