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Annotation of rpl/lapack/lapack/iladiag.f, revision 1.7

1.1       bertrand    1: *> \brief \b ILADIAG
                      2: *
                      3: *  =========== DOCUMENTATION ===========
                      4: *
1.7     ! bertrand    5: * Online html documentation available at
        !             6: *            http://www.netlib.org/lapack/explore-html/
1.1       bertrand    7: *
                      8: *> \htmlonly
1.7     ! bertrand    9: *> Download ILADIAG + dependencies
        !            10: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/iladiag.f">
        !            11: *> [TGZ]</a>
        !            12: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/iladiag.f">
        !            13: *> [ZIP]</a>
        !            14: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/iladiag.f">
1.1       bertrand   15: *> [TXT]</a>
1.7     ! bertrand   16: *> \endhtmlonly
1.1       bertrand   17: *
                     18: *  Definition:
                     19: *  ===========
                     20: *
                     21: *       INTEGER FUNCTION ILADIAG( DIAG )
1.7     ! bertrand   22: *
1.1       bertrand   23: *       .. Scalar Arguments ..
                     24: *       CHARACTER          DIAG
                     25: *       ..
1.7     ! bertrand   26: *
1.1       bertrand   27: *
                     28: *> \par Purpose:
                     29: *  =============
                     30: *>
                     31: *> \verbatim
                     32: *>
                     33: *> This subroutine translated from a character string specifying if a
                     34: *> matrix has unit diagonal or not to the relevant BLAST-specified
                     35: *> integer constant.
                     36: *>
                     37: *> ILADIAG returns an INTEGER.  If ILADIAG < 0, then the input is not a
                     38: *> character indicating a unit or non-unit diagonal.  Otherwise ILADIAG
                     39: *> returns the constant value corresponding to DIAG.
                     40: *> \endverbatim
                     41: *
                     42: *  Arguments:
                     43: *  ==========
                     44: *
                     45: *
                     46: *  Authors:
                     47: *  ========
                     48: *
1.7     ! bertrand   49: *> \author Univ. of Tennessee
        !            50: *> \author Univ. of California Berkeley
        !            51: *> \author Univ. of Colorado Denver
        !            52: *> \author NAG Ltd.
1.1       bertrand   53: *
1.7     ! bertrand   54: *> \date December 2016
1.1       bertrand   55: *
                     56: *> \ingroup auxOTHERcomputational
                     57: *
                     58: *  =====================================================================
                     59:       INTEGER FUNCTION ILADIAG( DIAG )
                     60: *
1.7     ! bertrand   61: *  -- LAPACK computational routine (version 3.7.0) --
1.1       bertrand   62: *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
                     63: *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
1.7     ! bertrand   64: *     December 2016
1.1       bertrand   65: *
                     66: *     .. Scalar Arguments ..
                     67:       CHARACTER          DIAG
                     68: *     ..
                     69: *
                     70: *  =====================================================================
                     71: *
                     72: *     .. Parameters ..
                     73:       INTEGER BLAS_NON_UNIT_DIAG, BLAS_UNIT_DIAG
                     74:       PARAMETER ( BLAS_NON_UNIT_DIAG = 131, BLAS_UNIT_DIAG = 132 )
                     75: *     ..
                     76: *     .. External Functions ..
                     77:       LOGICAL            LSAME
                     78:       EXTERNAL           LSAME
                     79: *     ..
                     80: *     .. Executable Statements ..
                     81:       IF( LSAME( DIAG, 'N' ) ) THEN
                     82:          ILADIAG = BLAS_NON_UNIT_DIAG
                     83:       ELSE IF( LSAME( DIAG, 'U' ) ) THEN
                     84:          ILADIAG = BLAS_UNIT_DIAG
                     85:       ELSE
                     86:          ILADIAG = -1
                     87:       END IF
                     88:       RETURN
                     89: *
                     90: *     End of ILADIAG
                     91: *
                     92:       END