*> \brief \b ILAPREC * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * *> \htmlonly *> Download ILAPREC + dependencies *> *> [TGZ] *> *> [ZIP] *> *> [TXT] *> \endhtmlonly * * Definition: * =========== * * INTEGER FUNCTION ILAPREC( PREC ) * * .. Scalar Arguments .. * CHARACTER PREC * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> This subroutine translated from a character string specifying an *> intermediate precision to the relevant BLAST-specified integer *> constant. *> *> ILAPREC returns an INTEGER. If ILAPREC < 0, then the input is not a *> character indicating a supported intermediate precision. Otherwise *> ILAPREC returns the constant value corresponding to PREC. *> \endverbatim * * Arguments: * ========== * * * Authors: * ======== * *> \author Univ. of Tennessee *> \author Univ. of California Berkeley *> \author Univ. of Colorado Denver *> \author NAG Ltd. * *> \ingroup auxOTHERcomputational * * ===================================================================== INTEGER FUNCTION ILAPREC( PREC ) * * -- LAPACK computational routine -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * * .. Scalar Arguments .. CHARACTER PREC * .. * * ===================================================================== * * .. Parameters .. INTEGER BLAS_PREC_SINGLE, BLAS_PREC_DOUBLE, BLAS_PREC_INDIGENOUS, $ BLAS_PREC_EXTRA PARAMETER ( BLAS_PREC_SINGLE = 211, BLAS_PREC_DOUBLE = 212, $ BLAS_PREC_INDIGENOUS = 213, BLAS_PREC_EXTRA = 214 ) * .. * .. External Functions .. LOGICAL LSAME EXTERNAL LSAME * .. * .. Executable Statements .. IF( LSAME( PREC, 'S' ) ) THEN ILAPREC = BLAS_PREC_SINGLE ELSE IF( LSAME( PREC, 'D' ) ) THEN ILAPREC = BLAS_PREC_DOUBLE ELSE IF( LSAME( PREC, 'I' ) ) THEN ILAPREC = BLAS_PREC_INDIGENOUS ELSE IF( LSAME( PREC, 'X' ) .OR. LSAME( PREC, 'E' ) ) THEN ILAPREC = BLAS_PREC_EXTRA ELSE ILAPREC = -1 END IF RETURN * * End of ILAPREC * END