--- rpl/lapack/lapack/dlarra.f 2010/01/26 15:22:45 1.1.1.1
+++ rpl/lapack/lapack/dlarra.f 2011/11/21 20:42:57 1.9
@@ -1,11 +1,145 @@
+*> \brief \b DLARRA
+*
+* =========== DOCUMENTATION ===========
+*
+* Online html documentation available at
+* http://www.netlib.org/lapack/explore-html/
+*
+*> \htmlonly
+*> Download DLARRA + dependencies
+*>
+*> [TGZ]
+*>
+*> [ZIP]
+*>
+*> [TXT]
+*> \endhtmlonly
+*
+* Definition:
+* ===========
+*
+* SUBROUTINE DLARRA( N, D, E, E2, SPLTOL, TNRM,
+* NSPLIT, ISPLIT, INFO )
+*
+* .. Scalar Arguments ..
+* INTEGER INFO, N, NSPLIT
+* DOUBLE PRECISION SPLTOL, TNRM
+* ..
+* .. Array Arguments ..
+* INTEGER ISPLIT( * )
+* DOUBLE PRECISION D( * ), E( * ), E2( * )
+* ..
+*
+*
+*> \par Purpose:
+* =============
+*>
+*> \verbatim
+*>
+*> Compute the splitting points with threshold SPLTOL.
+*> DLARRA sets any "small" off-diagonal elements to zero.
+*> \endverbatim
+*
+* Arguments:
+* ==========
+*
+*> \param[in] N
+*> \verbatim
+*> N is INTEGER
+*> The order of the matrix. N > 0.
+*> \endverbatim
+*>
+*> \param[in] D
+*> \verbatim
+*> D is DOUBLE PRECISION array, dimension (N)
+*> On entry, the N diagonal elements of the tridiagonal
+*> matrix T.
+*> \endverbatim
+*>
+*> \param[in,out] E
+*> \verbatim
+*> E is DOUBLE PRECISION array, dimension (N)
+*> On entry, the first (N-1) entries contain the subdiagonal
+*> elements of the tridiagonal matrix T; E(N) need not be set.
+*> On exit, the entries E( ISPLIT( I ) ), 1 <= I <= NSPLIT,
+*> are set to zero, the other entries of E are untouched.
+*> \endverbatim
+*>
+*> \param[in,out] E2
+*> \verbatim
+*> E2 is DOUBLE PRECISION array, dimension (N)
+*> On entry, the first (N-1) entries contain the SQUARES of the
+*> subdiagonal elements of the tridiagonal matrix T;
+*> E2(N) need not be set.
+*> On exit, the entries E2( ISPLIT( I ) ),
+*> 1 <= I <= NSPLIT, have been set to zero
+*> \endverbatim
+*>
+*> \param[in] SPLTOL
+*> \verbatim
+*> SPLTOL is DOUBLE PRECISION
+*> The threshold for splitting. Two criteria can be used:
+*> SPLTOL<0 : criterion based on absolute off-diagonal value
+*> SPLTOL>0 : criterion that preserves relative accuracy
+*> \endverbatim
+*>
+*> \param[in] TNRM
+*> \verbatim
+*> TNRM is DOUBLE PRECISION
+*> The norm of the matrix.
+*> \endverbatim
+*>
+*> \param[out] NSPLIT
+*> \verbatim
+*> NSPLIT is INTEGER
+*> The number of blocks T splits into. 1 <= NSPLIT <= N.
+*> \endverbatim
+*>
+*> \param[out] ISPLIT
+*> \verbatim
+*> ISPLIT is INTEGER array, dimension (N)
+*> The splitting points, at which T breaks up into blocks.
+*> The first block consists of rows/columns 1 to ISPLIT(1),
+*> the second of rows/columns ISPLIT(1)+1 through ISPLIT(2),
+*> etc., and the NSPLIT-th consists of rows/columns
+*> ISPLIT(NSPLIT-1)+1 through ISPLIT(NSPLIT)=N.
+*> \endverbatim
+*>
+*> \param[out] INFO
+*> \verbatim
+*> INFO is INTEGER
+*> = 0: successful exit
+*> \endverbatim
+*
+* Authors:
+* ========
+*
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
+*
+*> \date November 2011
+*
+*> \ingroup auxOTHERauxiliary
+*
+*> \par Contributors:
+* ==================
+*>
+*> Beresford Parlett, University of California, Berkeley, USA \n
+*> Jim Demmel, University of California, Berkeley, USA \n
+*> Inderjit Dhillon, University of Texas, Austin, USA \n
+*> Osni Marques, LBNL/NERSC, USA \n
+*> Christof Voemel, University of California, Berkeley, USA
+*
+* =====================================================================
SUBROUTINE DLARRA( N, D, E, E2, SPLTOL, TNRM,
$ NSPLIT, ISPLIT, INFO )
- IMPLICIT NONE
*
-* -- LAPACK auxiliary routine (version 3.2) --
+* -- 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..--
-* November 2006
+* November 2011
*
* .. Scalar Arguments ..
INTEGER INFO, N, NSPLIT
@@ -16,67 +150,6 @@
DOUBLE PRECISION D( * ), E( * ), E2( * )
* ..
*
-* Purpose
-* =======
-*
-* Compute the splitting points with threshold SPLTOL.
-* DLARRA sets any "small" off-diagonal elements to zero.
-*
-* Arguments
-* =========
-*
-* N (input) INTEGER
-* The order of the matrix. N > 0.
-*
-* D (input) DOUBLE PRECISION array, dimension (N)
-* On entry, the N diagonal elements of the tridiagonal
-* matrix T.
-*
-* E (input/output) DOUBLE PRECISION array, dimension (N)
-* On entry, the first (N-1) entries contain the subdiagonal
-* elements of the tridiagonal matrix T; E(N) need not be set.
-* On exit, the entries E( ISPLIT( I ) ), 1 <= I <= NSPLIT,
-* are set to zero, the other entries of E are untouched.
-*
-* E2 (input/output) DOUBLE PRECISION array, dimension (N)
-* On entry, the first (N-1) entries contain the SQUARES of the
-* subdiagonal elements of the tridiagonal matrix T;
-* E2(N) need not be set.
-* On exit, the entries E2( ISPLIT( I ) ),
-* 1 <= I <= NSPLIT, have been set to zero
-*
-* SPLTOL (input) DOUBLE PRECISION
-* The threshold for splitting. Two criteria can be used:
-* SPLTOL<0 : criterion based on absolute off-diagonal value
-* SPLTOL>0 : criterion that preserves relative accuracy
-*
-* TNRM (input) DOUBLE PRECISION
-* The norm of the matrix.
-*
-* NSPLIT (output) INTEGER
-* The number of blocks T splits into. 1 <= NSPLIT <= N.
-*
-* ISPLIT (output) INTEGER array, dimension (N)
-* The splitting points, at which T breaks up into blocks.
-* The first block consists of rows/columns 1 to ISPLIT(1),
-* the second of rows/columns ISPLIT(1)+1 through ISPLIT(2),
-* etc., and the NSPLIT-th consists of rows/columns
-* ISPLIT(NSPLIT-1)+1 through ISPLIT(NSPLIT)=N.
-*
-*
-* INFO (output) INTEGER
-* = 0: successful exit
-*
-* Further Details
-* ===============
-*
-* Based on contributions by
-* Beresford Parlett, University of California, Berkeley, USA
-* Jim Demmel, University of California, Berkeley, USA
-* Inderjit Dhillon, University of Texas, Austin, USA
-* Osni Marques, LBNL/NERSC, USA
-* Christof Voemel, University of California, Berkeley, USA
-*
* =====================================================================
*
* .. Parameters ..