diff options
Diffstat (limited to 'SRC/ztgsna.f')
-rw-r--r-- | SRC/ztgsna.f | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/SRC/ztgsna.f b/SRC/ztgsna.f index fa9cb872..21394be5 100644 --- a/SRC/ztgsna.f +++ b/SRC/ztgsna.f @@ -15,8 +15,8 @@ *> [TXT]</a> *> \endhtmlonly * -* Definition -* ========== +* Definition: +* =========== * * SUBROUTINE ZTGSNA( JOB, HOWMNY, SELECT, N, A, LDA, B, LDB, VL, * LDVL, VR, LDVR, S, DIF, MM, M, WORK, LWORK, @@ -34,22 +34,21 @@ * $ VR( LDVR, * ), WORK( * ) * .. * -* Purpose -* ======= * -*>\details \b Purpose: -*>\verbatim +*> \par Purpose: +* ============= +*> +*> \verbatim *> *> ZTGSNA estimates reciprocal condition numbers for specified *> eigenvalues and/or eigenvectors of a matrix pair (A, B). *> *> (A, B) must be in generalized Schur canonical form, that is, A and *> B are both upper triangular. -*> -*>\endverbatim +*> \endverbatim * -* Arguments -* ========= +* Arguments: +* ========== * *> \param[in] JOB *> \verbatim @@ -205,10 +204,9 @@ *> = 0: Successful exit *> < 0: If INFO = -i, the i-th argument had an illegal value *> \endverbatim -*> * -* Authors -* ======= +* Authors: +* ======== * *> \author Univ. of Tennessee *> \author Univ. of California Berkeley @@ -219,10 +217,9 @@ * *> \ingroup complex16OTHERcomputational * -* -* Further Details -* =============== -*>\details \b Further \b Details +*> \par Further Details: +* ===================== +*> *> \verbatim *> *> The reciprocal of the condition number of the i-th generalized @@ -275,13 +272,18 @@ *> EPS * norm(A, B) / DIF(i). *> *> See ref. [2-3] for more details and further references. +*> \endverbatim +* +*> \par Contributors: +* ================== *> -*> Based on contributions by *> Bo Kagstrom and Peter Poromaa, Department of Computing Science, *> Umea University, S-901 87 Umea, Sweden. +* +*> \par References: +* ================ *> -*> References -*> ========== +*> \verbatim *> *> [1] B. Kagstrom; A Direct Method for Reordering Eigenvalues in the *> Generalized Real Schur Form of a Regular Matrix Pair (A, B), in @@ -302,7 +304,6 @@ *> Sweden, December 1993, Revised April 1994, Also as LAPACK Working *> Note 75. *> To appear in ACM Trans. on Math. Software, Vol 22, No 1, 1996. -*> *> \endverbatim *> * ===================================================================== |