--- rpl/lapack/lapack/zpttrs.f 2010/08/07 13:22:44 1.5
+++ rpl/lapack/lapack/zpttrs.f 2011/11/21 20:43:20 1.9
@@ -1,9 +1,130 @@
+*> \brief \b ZPTTRS
+*
+* =========== DOCUMENTATION ===========
+*
+* Online html documentation available at
+* http://www.netlib.org/lapack/explore-html/
+*
+*> \htmlonly
+*> Download ZPTTRS + dependencies
+*>
+*> [TGZ]
+*>
+*> [ZIP]
+*>
+*> [TXT]
+*> \endhtmlonly
+*
+* Definition:
+* ===========
+*
+* SUBROUTINE ZPTTRS( UPLO, N, NRHS, D, E, B, LDB, INFO )
+*
+* .. Scalar Arguments ..
+* CHARACTER UPLO
+* INTEGER INFO, LDB, N, NRHS
+* ..
+* .. Array Arguments ..
+* DOUBLE PRECISION D( * )
+* COMPLEX*16 B( LDB, * ), E( * )
+* ..
+*
+*
+*> \par Purpose:
+* =============
+*>
+*> \verbatim
+*>
+*> ZPTTRS solves a tridiagonal system of the form
+*> A * X = B
+*> using the factorization A = U**H *D* U or A = L*D*L**H computed by ZPTTRF.
+*> D is a diagonal matrix specified in the vector D, U (or L) is a unit
+*> bidiagonal matrix whose superdiagonal (subdiagonal) is specified in
+*> the vector E, and X and B are N by NRHS matrices.
+*> \endverbatim
+*
+* Arguments:
+* ==========
+*
+*> \param[in] UPLO
+*> \verbatim
+*> UPLO is CHARACTER*1
+*> Specifies the form of the factorization and whether the
+*> vector E is the superdiagonal of the upper bidiagonal factor
+*> U or the subdiagonal of the lower bidiagonal factor L.
+*> = 'U': A = U**H *D*U, E is the superdiagonal of U
+*> = 'L': A = L*D*L**H, E is the subdiagonal of L
+*> \endverbatim
+*>
+*> \param[in] N
+*> \verbatim
+*> N is INTEGER
+*> The order of the tridiagonal matrix A. N >= 0.
+*> \endverbatim
+*>
+*> \param[in] NRHS
+*> \verbatim
+*> NRHS is INTEGER
+*> The number of right hand sides, i.e., the number of columns
+*> of the matrix B. NRHS >= 0.
+*> \endverbatim
+*>
+*> \param[in] D
+*> \verbatim
+*> D is DOUBLE PRECISION array, dimension (N)
+*> The n diagonal elements of the diagonal matrix D from the
+*> factorization A = U**H *D*U or A = L*D*L**H.
+*> \endverbatim
+*>
+*> \param[in] E
+*> \verbatim
+*> E is COMPLEX*16 array, dimension (N-1)
+*> If UPLO = 'U', the (n-1) superdiagonal elements of the unit
+*> bidiagonal factor U from the factorization A = U**H*D*U.
+*> If UPLO = 'L', the (n-1) subdiagonal elements of the unit
+*> bidiagonal factor L from the factorization A = L*D*L**H.
+*> \endverbatim
+*>
+*> \param[in,out] B
+*> \verbatim
+*> B is DOUBLE PRECISION array, dimension (LDB,NRHS)
+*> On entry, the right hand side vectors B for the system of
+*> linear equations.
+*> On exit, the solution vectors, X.
+*> \endverbatim
+*>
+*> \param[in] LDB
+*> \verbatim
+*> LDB is INTEGER
+*> The leading dimension of the array B. LDB >= max(1,N).
+*> \endverbatim
+*>
+*> \param[out] INFO
+*> \verbatim
+*> INFO is INTEGER
+*> = 0: successful exit
+*> < 0: if INFO = -k, the k-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 ZPTTRS( UPLO, N, NRHS, D, E, B, LDB, INFO )
*
-* -- LAPACK routine (version 3.2) --
+* -- 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..--
-* November 2006
+* November 2011
*
* .. Scalar Arguments ..
CHARACTER UPLO
@@ -14,55 +135,6 @@
COMPLEX*16 B( LDB, * ), E( * )
* ..
*
-* Purpose
-* =======
-*
-* ZPTTRS solves a tridiagonal system of the form
-* A * X = B
-* using the factorization A = U'*D*U or A = L*D*L' computed by ZPTTRF.
-* D is a diagonal matrix specified in the vector D, U (or L) is a unit
-* bidiagonal matrix whose superdiagonal (subdiagonal) is specified in
-* the vector E, and X and B are N by NRHS matrices.
-*
-* Arguments
-* =========
-*
-* UPLO (input) CHARACTER*1
-* Specifies the form of the factorization and whether the
-* vector E is the superdiagonal of the upper bidiagonal factor
-* U or the subdiagonal of the lower bidiagonal factor L.
-* = 'U': A = U'*D*U, E is the superdiagonal of U
-* = 'L': A = L*D*L', E is the subdiagonal of L
-*
-* N (input) INTEGER
-* The order of the tridiagonal matrix A. N >= 0.
-*
-* NRHS (input) INTEGER
-* The number of right hand sides, i.e., the number of columns
-* of the matrix B. NRHS >= 0.
-*
-* D (input) DOUBLE PRECISION array, dimension (N)
-* The n diagonal elements of the diagonal matrix D from the
-* factorization A = U'*D*U or A = L*D*L'.
-*
-* E (input) COMPLEX*16 array, dimension (N-1)
-* If UPLO = 'U', the (n-1) superdiagonal elements of the unit
-* bidiagonal factor U from the factorization A = U'*D*U.
-* If UPLO = 'L', the (n-1) subdiagonal elements of the unit
-* bidiagonal factor L from the factorization A = L*D*L'.
-*
-* B (input/output) DOUBLE PRECISION array, dimension (LDB,NRHS)
-* On entry, the right hand side vectors B for the system of
-* linear equations.
-* On exit, the solution vectors, X.
-*
-* LDB (input) INTEGER
-* The leading dimension of the array B. LDB >= max(1,N).
-*
-* INFO (output) INTEGER
-* = 0: successful exit
-* < 0: if INFO = -k, the k-th argument had an illegal value
-*
* =====================================================================
*
* .. Local Scalars ..