90 lines
2.1 KiB
Fortran
90 lines
2.1 KiB
Fortran
*> \brief \b XERBLA
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*
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* =========== DOCUMENTATION ===========
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*
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* Online html documentation available at
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* http://www.netlib.org/lapack/explore-html/
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*
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* Definition:
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* ===========
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*
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* SUBROUTINE XERBLA( SRNAME, INFO )
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*
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* .. Scalar Arguments ..
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* CHARACTER*(*) SRNAME
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* INTEGER INFO
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* ..
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*
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*
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*> \par Purpose:
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* =============
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*>
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*> \verbatim
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*>
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*> XERBLA is an error handler for the LAPACK routines.
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*> It is called by an LAPACK routine if an input parameter has an
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*> invalid value. A message is printed and execution stops.
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*>
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*> Installers may consider modifying the STOP statement in order to
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*> call system-specific exception-handling facilities.
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*> \endverbatim
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*
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* Arguments:
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* ==========
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*
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*> \param[in] SRNAME
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*> \verbatim
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*> SRNAME is CHARACTER*(*)
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*> The name of the routine which called XERBLA.
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*> \endverbatim
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*>
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*> \param[in] INFO
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*> \verbatim
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*> INFO is INTEGER
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*> The position of the invalid parameter in the parameter list
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*> of the calling routine.
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*> \endverbatim
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*
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* Authors:
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* ========
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*
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*> \author Univ. of Tennessee
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*> \author Univ. of California Berkeley
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*> \author Univ. of Colorado Denver
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*> \author NAG Ltd.
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*
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*> \date November 2011
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*
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*> \ingroup aux_blas
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*
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* =====================================================================
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SUBROUTINE XERBLA( SRNAME, INFO )
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*
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* -- Reference BLAS level1 routine (version 3.4.0) --
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* -- Reference BLAS is a software package provided by Univ. of Tennessee, --
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* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
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* November 2011
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*
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* .. Scalar Arguments ..
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CHARACTER*(*) SRNAME
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INTEGER INFO
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* ..
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*
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* =====================================================================
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*
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* .. Intrinsic Functions ..
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INTRINSIC LEN_TRIM
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* ..
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* .. Executable Statements ..
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*
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WRITE( *, FMT = 9999 )SRNAME( 1:LEN_TRIM( SRNAME ) ), INFO
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*
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STOP
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*
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9999 FORMAT( ' ** On entry to ', A, ' parameter number ', I2, ' had ',
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$ 'an illegal value' )
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*
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* End of XERBLA
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*
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END
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