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

1.1       bertrand    1: *> \brief \b ILAPREC
                      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 ILAPREC + dependencies
        !            10: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/ilaprec.f">
        !            11: *> [TGZ]</a>
        !            12: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/ilaprec.f">
        !            13: *> [ZIP]</a>
        !            14: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/ilaprec.f">
1.1       bertrand   15: *> [TXT]</a>
1.7     ! bertrand   16: *> \endhtmlonly
1.1       bertrand   17: *
                     18: *  Definition:
                     19: *  ===========
                     20: *
                     21: *       INTEGER FUNCTION ILAPREC( PREC )
1.7     ! bertrand   22: *
1.1       bertrand   23: *       .. Scalar Arguments ..
                     24: *       CHARACTER          PREC
                     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 an
                     34: *> intermediate precision to the relevant BLAST-specified integer
                     35: *> constant.
                     36: *>
                     37: *> ILAPREC returns an INTEGER.  If ILAPREC < 0, then the input is not a
                     38: *> character indicating a supported intermediate precision.  Otherwise
                     39: *> ILAPREC returns the constant value corresponding to PREC.
                     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 ILAPREC( PREC )
                     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          PREC
                     68: *     ..
                     69: *
                     70: *  =====================================================================
                     71: *
                     72: *     .. Parameters ..
                     73:       INTEGER BLAS_PREC_SINGLE, BLAS_PREC_DOUBLE, BLAS_PREC_INDIGENOUS,
                     74:      $           BLAS_PREC_EXTRA
                     75:       PARAMETER ( BLAS_PREC_SINGLE = 211, BLAS_PREC_DOUBLE = 212,
                     76:      $     BLAS_PREC_INDIGENOUS = 213, BLAS_PREC_EXTRA = 214 )
                     77: *     ..
                     78: *     .. External Functions ..
                     79:       LOGICAL            LSAME
                     80:       EXTERNAL           LSAME
                     81: *     ..
                     82: *     .. Executable Statements ..
                     83:       IF( LSAME( PREC, 'S' ) ) THEN
                     84:          ILAPREC = BLAS_PREC_SINGLE
                     85:       ELSE IF( LSAME( PREC, 'D' ) ) THEN
                     86:          ILAPREC = BLAS_PREC_DOUBLE
                     87:       ELSE IF( LSAME( PREC, 'I' ) ) THEN
                     88:          ILAPREC = BLAS_PREC_INDIGENOUS
                     89:       ELSE IF( LSAME( PREC, 'X' ) .OR. LSAME( PREC, 'E' ) ) THEN
                     90:          ILAPREC = BLAS_PREC_EXTRA
                     91:       ELSE
                     92:          ILAPREC = -1
                     93:       END IF
                     94:       RETURN
                     95: *
                     96: *     End of ILAPREC
                     97: *
                     98:       END