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authorjulie <julielangou@users.noreply.github.com>2011-10-06 06:53:11 +0000
committerjulie <julielangou@users.noreply.github.com>2011-10-06 06:53:11 +0000
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+++ b/TESTING/LIN/ssyt01.f
@@ -1,9 +1,133 @@
+*> \brief \b SSYT01
+*
+* =========== DOCUMENTATION ===========
+*
+* Online html documentation available at
+* http://www.netlib.org/lapack/explore-html/
+*
+* Definition
+* ==========
+*
+* SUBROUTINE SSYT01( UPLO, N, A, LDA, AFAC, LDAFAC, IPIV, C, LDC,
+* RWORK, RESID )
+*
+* .. Scalar Arguments ..
+* CHARACTER UPLO
+* INTEGER LDA, LDAFAC, LDC, N
+* REAL RESID
+* ..
+* .. Array Arguments ..
+* INTEGER IPIV( * )
+* REAL A( LDA, * ), AFAC( LDAFAC, * ), C( LDC, * ),
+* $ RWORK( * )
+* ..
+*
+* Purpose
+* =======
+*
+*>\details \b Purpose:
+*>\verbatim
+*>
+*> SSYT01 reconstructs a symmetric indefinite matrix A from its
+*> block L*D*L' or U*D*U' factorization and computes the residual
+*> norm( C - A ) / ( N * norm(A) * EPS ),
+*> where C is the reconstructed matrix and EPS is the machine epsilon.
+*>
+*>\endverbatim
+*
+* Arguments
+* =========
+*
+*> \param[in] UPLO
+*> \verbatim
+*> UPLO is CHARACTER*1
+*> Specifies whether the upper or lower triangular part of the
+*> symmetric matrix A is stored:
+*> = 'U': Upper triangular
+*> = 'L': Lower triangular
+*> \endverbatim
+*>
+*> \param[in] N
+*> \verbatim
+*> N is INTEGER
+*> The number of rows and columns of the matrix A. N >= 0.
+*> \endverbatim
+*>
+*> \param[in] A
+*> \verbatim
+*> A is REAL array, dimension (LDA,N)
+*> The original symmetric matrix A.
+*> \endverbatim
+*>
+*> \param[in] LDA
+*> \verbatim
+*> LDA is INTEGER
+*> The leading dimension of the array A. LDA >= max(1,N)
+*> \endverbatim
+*>
+*> \param[in] AFAC
+*> \verbatim
+*> AFAC is REAL array, dimension (LDAFAC,N)
+*> The factored form of the matrix A. AFAC contains the block
+*> diagonal matrix D and the multipliers used to obtain the
+*> factor L or U from the block L*D*L' or U*D*U' factorization
+*> as computed by SSYTRF.
+*> \endverbatim
+*>
+*> \param[in] LDAFAC
+*> \verbatim
+*> LDAFAC is INTEGER
+*> The leading dimension of the array AFAC. LDAFAC >= max(1,N).
+*> \endverbatim
+*>
+*> \param[in] IPIV
+*> \verbatim
+*> IPIV is INTEGER array, dimension (N)
+*> The pivot indices from SSYTRF.
+*> \endverbatim
+*>
+*> \param[out] C
+*> \verbatim
+*> C is REAL array, dimension (LDC,N)
+*> \endverbatim
+*> \verbatim
+*> LDC (integer) INTEGER
+*> The leading dimension of the array C. LDC >= max(1,N).
+*> \endverbatim
+*>
+*> \param[out] RWORK
+*> \verbatim
+*> RWORK is REAL array, dimension (N)
+*> \endverbatim
+*>
+*> \param[out] RESID
+*> \verbatim
+*> RESID is REAL
+*> If UPLO = 'L', norm(L*D*L' - A) / ( N * norm(A) * EPS )
+*> If UPLO = 'U', norm(U*D*U' - A) / ( N * norm(A) * EPS )
+*> \endverbatim
+*>
+*
+* Authors
+* =======
+*
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
+*
+*> \date November 2011
+*
+*> \ingroup single_lin
+*
+* =====================================================================
SUBROUTINE SSYT01( UPLO, N, A, LDA, AFAC, LDAFAC, IPIV, C, LDC,
$ RWORK, RESID )
*
* -- LAPACK test routine (version 3.1) --
-* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
-* November 2006
+* -- LAPACK is a software package provided by Univ. of Tennessee, --
+* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
+* November 2011
*
* .. Scalar Arguments ..
CHARACTER UPLO
@@ -16,55 +140,6 @@
$ RWORK( * )
* ..
*
-* Purpose
-* =======
-*
-* SSYT01 reconstructs a symmetric indefinite matrix A from its
-* block L*D*L' or U*D*U' factorization and computes the residual
-* norm( C - A ) / ( N * norm(A) * EPS ),
-* where C is the reconstructed matrix and EPS is the machine epsilon.
-*
-* Arguments
-* ==========
-*
-* UPLO (input) CHARACTER*1
-* Specifies whether the upper or lower triangular part of the
-* symmetric matrix A is stored:
-* = 'U': Upper triangular
-* = 'L': Lower triangular
-*
-* N (input) INTEGER
-* The number of rows and columns of the matrix A. N >= 0.
-*
-* A (input) REAL array, dimension (LDA,N)
-* The original symmetric matrix A.
-*
-* LDA (input) INTEGER
-* The leading dimension of the array A. LDA >= max(1,N)
-*
-* AFAC (input) REAL array, dimension (LDAFAC,N)
-* The factored form of the matrix A. AFAC contains the block
-* diagonal matrix D and the multipliers used to obtain the
-* factor L or U from the block L*D*L' or U*D*U' factorization
-* as computed by SSYTRF.
-*
-* LDAFAC (input) INTEGER
-* The leading dimension of the array AFAC. LDAFAC >= max(1,N).
-*
-* IPIV (input) INTEGER array, dimension (N)
-* The pivot indices from SSYTRF.
-*
-* C (workspace) REAL array, dimension (LDC,N)
-*
-* LDC (integer) INTEGER
-* The leading dimension of the array C. LDC >= max(1,N).
-*
-* RWORK (workspace) REAL array, dimension (N)
-*
-* RESID (output) REAL
-* If UPLO = 'L', norm(L*D*L' - A) / ( N * norm(A) * EPS )
-* If UPLO = 'U', norm(U*D*U' - A) / ( N * norm(A) * EPS )
-*
* =====================================================================
*
* .. Parameters ..