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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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- DOUBLE PRECISION FUNCTION DLA_SYRCOND( UPLO, N, A, LDA, AF, LDAF,
- $ IPIV, CMODE, C, INFO, WORK,
- $ IWORK )
+*> \brief \b DLA_SYRCOND
*
-* -- LAPACK routine (version 3.2.1) --
-* -- Contributed by James Demmel, Deaglan Halligan, Yozo Hida and --
-* -- Jason Riedy of Univ. of California Berkeley. --
-* -- April 2009 --
+* =========== DOCUMENTATION ===========
*
-* -- LAPACK is a software package provided by Univ. of Tennessee, --
-* -- Univ. of California Berkeley and NAG Ltd. --
+* Online html documentation available at
+* http://www.netlib.org/lapack/explore-html/
*
- IMPLICIT NONE
-* ..
-* .. Scalar Arguments ..
- CHARACTER UPLO
- INTEGER N, LDA, LDAF, INFO, CMODE
-* ..
-* .. Array Arguments
- INTEGER IWORK( * ), IPIV( * )
- DOUBLE PRECISION A( LDA, * ), AF( LDAF, * ), WORK( * ), C( * )
-* ..
+* Definition
+* ==========
*
+* DOUBLE PRECISION FUNCTION DLA_SYRCOND( UPLO, N, A, LDA, AF, LDAF,
+* IPIV, CMODE, C, INFO, WORK,
+* IWORK )
+*
+* .. Scalar Arguments ..
+* CHARACTER UPLO
+* INTEGER N, LDA, LDAF, INFO, CMODE
+* ..
+* .. Array Arguments
+* INTEGER IWORK( * ), IPIV( * )
+* DOUBLE PRECISION A( LDA, * ), AF( LDAF, * ), WORK( * ), C( * )
+* ..
+*
* Purpose
* =======
*
-* DLA_SYRCOND estimates the Skeel condition number of op(A) * op2(C)
-* where op2 is determined by CMODE as follows
-* CMODE = 1 op2(C) = C
-* CMODE = 0 op2(C) = I
-* CMODE = -1 op2(C) = inv(C)
-* The Skeel condition number cond(A) = norminf( |inv(A)||A| )
-* is computed by computing scaling factors R such that
-* diag(R)*A*op2(C) is row equilibrated and computing the standard
-* infinity-norm condition number.
+*>\details \b Purpose:
+*>\verbatim
+*>
+*> DLA_SYRCOND estimates the Skeel condition number of op(A) * op2(C)
+*> where op2 is determined by CMODE as follows
+*> CMODE = 1 op2(C) = C
+*> CMODE = 0 op2(C) = I
+*> CMODE = -1 op2(C) = inv(C)
+*> The Skeel condition number cond(A) = norminf( |inv(A)||A| )
+*> is computed by computing scaling factors R such that
+*> diag(R)*A*op2(C) is row equilibrated and computing the standard
+*> infinity-norm condition number.
+*>
+*>\endverbatim
*
* Arguments
-* ==========
-*
-* UPLO (input) CHARACTER*1
-* = 'U': Upper triangle of A is stored;
-* = 'L': Lower triangle of A is stored.
-*
-* N (input) INTEGER
-* The number of linear equations, i.e., the order of the
-* matrix A. N >= 0.
-*
-* A (input) DOUBLE PRECISION array, dimension (LDA,N)
-* On entry, the N-by-N matrix A.
-*
-* LDA (input) INTEGER
-* The leading dimension of the array A. LDA >= max(1,N).
-*
-* AF (input) DOUBLE PRECISION array, dimension (LDAF,N)
-* The block diagonal matrix D and the multipliers used to
-* obtain the factor U or L as computed by DSYTRF.
-*
-* LDAF (input) INTEGER
-* The leading dimension of the array AF. LDAF >= max(1,N).
+* =========
+*
+*> \param[in] UPLO
+*> \verbatim
+*> UPLO is CHARACTER*1
+*> = 'U': Upper triangle of A is stored;
+*> = 'L': Lower triangle of A is stored.
+*> \endverbatim
+*>
+*> \param[in] N
+*> \verbatim
+*> N is INTEGER
+*> The number of linear equations, i.e., the order of the
+*> matrix A. N >= 0.
+*> \endverbatim
+*>
+*> \param[in] A
+*> \verbatim
+*> A is DOUBLE PRECISION array, dimension (LDA,N)
+*> On entry, the N-by-N matrix A.
+*> \endverbatim
+*>
+*> \param[in] LDA
+*> \verbatim
+*> LDA is INTEGER
+*> The leading dimension of the array A. LDA >= max(1,N).
+*> \endverbatim
+*>
+*> \param[in] AF
+*> \verbatim
+*> AF is DOUBLE PRECISION array, dimension (LDAF,N)
+*> The block diagonal matrix D and the multipliers used to
+*> obtain the factor U or L as computed by DSYTRF.
+*> \endverbatim
+*>
+*> \param[in] LDAF
+*> \verbatim
+*> LDAF is INTEGER
+*> The leading dimension of the array AF. LDAF >= max(1,N).
+*> \endverbatim
+*>
+*> \param[in] IPIV
+*> \verbatim
+*> IPIV is INTEGER array, dimension (N)
+*> Details of the interchanges and the block structure of D
+*> as determined by DSYTRF.
+*> \endverbatim
+*>
+*> \param[in] CMODE
+*> \verbatim
+*> CMODE is INTEGER
+*> Determines op2(C) in the formula op(A) * op2(C) as follows:
+*> CMODE = 1 op2(C) = C
+*> CMODE = 0 op2(C) = I
+*> CMODE = -1 op2(C) = inv(C)
+*> \endverbatim
+*>
+*> \param[in] C
+*> \verbatim
+*> C is DOUBLE PRECISION array, dimension (N)
+*> The vector C in the formula op(A) * op2(C).
+*> \endverbatim
+*>
+*> \param[out] INFO
+*> \verbatim
+*> INFO is INTEGER
+*> = 0: Successful exit.
+*> i > 0: The ith argument is invalid.
+*> \endverbatim
+*>
+*> \param[in] WORK
+*> \verbatim
+*> WORK is DOUBLE PRECISION array, dimension (3*N).
+*> Workspace.
+*> \endverbatim
+*>
+*> \param[in] IWORK
+*> \verbatim
+*> IWORK is INTEGER array, dimension (N).
+*> Workspace.
+*> \endverbatim
+*>
+*
+* Authors
+* =======
*
-* IPIV (input) INTEGER array, dimension (N)
-* Details of the interchanges and the block structure of D
-* as determined by DSYTRF.
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
*
-* CMODE (input) INTEGER
-* Determines op2(C) in the formula op(A) * op2(C) as follows:
-* CMODE = 1 op2(C) = C
-* CMODE = 0 op2(C) = I
-* CMODE = -1 op2(C) = inv(C)
+*> \date November 2011
*
-* C (input) DOUBLE PRECISION array, dimension (N)
-* The vector C in the formula op(A) * op2(C).
+*> \ingroup doubleSYcomputational
*
-* INFO (output) INTEGER
-* = 0: Successful exit.
-* i > 0: The ith argument is invalid.
+* =====================================================================
+ DOUBLE PRECISION FUNCTION DLA_SYRCOND( UPLO, N, A, LDA, AF, LDAF,
+ $ IPIV, CMODE, C, INFO, WORK,
+ $ IWORK )
*
-* WORK (input) DOUBLE PRECISION array, dimension (3*N).
-* Workspace.
+* -- LAPACK computational routine (version 3.2.1) --
+* -- LAPACK is a software package provided by Univ. of Tennessee, --
+* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
+* November 2011
*
-* IWORK (input) INTEGER array, dimension (N).
-* Workspace.
+* .. Scalar Arguments ..
+ CHARACTER UPLO
+ INTEGER N, LDA, LDAF, INFO, CMODE
+* ..
+* .. Array Arguments
+ INTEGER IWORK( * ), IPIV( * )
+ DOUBLE PRECISION A( LDA, * ), AF( LDAF, * ), WORK( * ), C( * )
+* ..
*
* =====================================================================
*