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INTEGER FUNCTION ILADIAG( DIAG )
*
* -- LAPACK routine (version 3.2.1) --
*
* -- April 2009 --
*
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
*
* .. Scalar Arguments ..
CHARACTER DIAG
* ..
*
* Purpose
* =======
*
* This subroutine translated from a character string specifying if a
* matrix has unit diagonal or not to the relevant BLAST-specified
* integer constant.
*
* ILADIAG returns an INTEGER. If ILADIAG < 0, then the input is not a
* character indicating a unit or non-unit diagonal. Otherwise ILADIAG
* returns the constant value corresponding to DIAG.
*
* Arguments
* =========
* DIAG (input) CHARACTER*1
* = 'N': A is non-unit triangular;
* = 'U': A is unit triangular.
* =====================================================================
*
* .. Parameters ..
INTEGER BLAS_NON_UNIT_DIAG, BLAS_UNIT_DIAG
PARAMETER ( BLAS_NON_UNIT_DIAG = 131, BLAS_UNIT_DIAG = 132 )
* ..
* .. External Functions ..
LOGICAL LSAME
EXTERNAL LSAME
* ..
* .. Executable Statements ..
IF( LSAME( DIAG, 'N' ) ) THEN
ILADIAG = BLAS_NON_UNIT_DIAG
ELSE IF( LSAME( DIAG, 'U' ) ) THEN
ILADIAG = BLAS_UNIT_DIAG
ELSE
ILADIAG = -1
END IF
RETURN
*
* End of ILADIAG
*
END
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