--- rpl/lapack/lapack/zla_gercond_c.f 2011/07/22 07:38:16 1.5 +++ rpl/lapack/lapack/zla_gercond_c.f 2011/11/21 20:43:13 1.6 @@ -1,17 +1,153 @@ +*> \brief \b ZLA_GERCOND_C +* +* =========== DOCUMENTATION =========== +* +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ +* +*> \htmlonly +*> Download ZLA_GERCOND_C + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> +*> [TXT] +*> \endhtmlonly +* +* Definition: +* =========== +* +* DOUBLE PRECISION FUNCTION ZLA_GERCOND_C( TRANS, N, A, LDA, AF, +* LDAF, IPIV, C, CAPPLY, +* INFO, WORK, RWORK ) +* +* .. Scalar Aguments .. +* CHARACTER TRANS +* LOGICAL CAPPLY +* INTEGER N, LDA, LDAF, INFO +* .. +* .. Array Arguments .. +* INTEGER IPIV( * ) +* COMPLEX*16 A( LDA, * ), AF( LDAF, * ), WORK( * ) +* DOUBLE PRECISION C( * ), RWORK( * ) +* .. +* +* +*> \par Purpose: +* ============= +*> +*> \verbatim +*> +*> ZLA_GERCOND_C computes the infinity norm condition number of +*> op(A) * inv(diag(C)) where C is a DOUBLE PRECISION vector. +*> \endverbatim +* +* Arguments: +* ========== +* +*> \param[in] TRANS +*> \verbatim +*> TRANS is CHARACTER*1 +*> Specifies the form of the system of equations: +*> = 'N': A * X = B (No transpose) +*> = 'T': A**T * X = B (Transpose) +*> = 'C': A**H * X = B (Conjugate Transpose = Transpose) +*> \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 COMPLEX*16 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 COMPLEX*16 array, dimension (LDAF,N) +*> The factors L and U from the factorization +*> A = P*L*U as computed by ZGETRF. +*> \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) +*> The pivot indices from the factorization A = P*L*U +*> as computed by ZGETRF; row i of the matrix was interchanged +*> with row IPIV(i). +*> \endverbatim +*> +*> \param[in] C +*> \verbatim +*> C is DOUBLE PRECISION array, dimension (N) +*> The vector C in the formula op(A) * inv(diag(C)). +*> \endverbatim +*> +*> \param[in] CAPPLY +*> \verbatim +*> CAPPLY is LOGICAL +*> If .TRUE. then access the vector C in the formula above. +*> \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 COMPLEX*16 array, dimension (2*N). +*> Workspace. +*> \endverbatim +*> +*> \param[in] RWORK +*> \verbatim +*> RWORK is DOUBLE PRECISION array, dimension (N). +*> Workspace. +*> \endverbatim +* +* Authors: +* ======== +* +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. +* +*> \date November 2011 +* +*> \ingroup complex16GEcomputational +* +* ===================================================================== DOUBLE PRECISION FUNCTION ZLA_GERCOND_C( TRANS, N, A, LDA, AF, $ LDAF, IPIV, C, CAPPLY, $ INFO, WORK, RWORK ) * -* -- LAPACK routine (version 3.2.1) -- -* -- Contributed by James Demmel, Deaglan Halligan, Yozo Hida and -- -* -- Jason Riedy of Univ. of California Berkeley. -- -* -- April 2009 -- -* -* -- LAPACK is a software package provided by Univ. of Tennessee, -- -* -- Univ. of California Berkeley and NAG Ltd. -- +* -- 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 2011 * - IMPLICIT NONE -* .. * .. Scalar Aguments .. CHARACTER TRANS LOGICAL CAPPLY @@ -23,59 +159,6 @@ DOUBLE PRECISION C( * ), RWORK( * ) * .. * -* Purpose -* ======= -* -* ZLA_GERCOND_C computes the infinity norm condition number of -* op(A) * inv(diag(C)) where C is a DOUBLE PRECISION vector. -* -* Arguments -* ========= -* -* TRANS (input) CHARACTER*1 -* Specifies the form of the system of equations: -* = 'N': A * X = B (No transpose) -* = 'T': A**T * X = B (Transpose) -* = 'C': A**H * X = B (Conjugate Transpose = Transpose) -* -* N (input) INTEGER -* The number of linear equations, i.e., the order of the -* matrix A. N >= 0. -* -* A (input) COMPLEX*16 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) COMPLEX*16 array, dimension (LDAF,N) -* The factors L and U from the factorization -* A = P*L*U as computed by ZGETRF. -* -* LDAF (input) INTEGER -* The leading dimension of the array AF. LDAF >= max(1,N). -* -* IPIV (input) INTEGER array, dimension (N) -* The pivot indices from the factorization A = P*L*U -* as computed by ZGETRF; row i of the matrix was interchanged -* with row IPIV(i). -* -* C (input) DOUBLE PRECISION array, dimension (N) -* The vector C in the formula op(A) * inv(diag(C)). -* -* CAPPLY (input) LOGICAL -* If .TRUE. then access the vector C in the formula above. -* -* INFO (output) INTEGER -* = 0: Successful exit. -* i > 0: The ith argument is invalid. -* -* WORK (input) COMPLEX*16 array, dimension (2*N). -* Workspace. -* -* RWORK (input) DOUBLE PRECISION array, dimension (N). -* Workspace. -* * ===================================================================== * * .. Local Scalars ..