Julie
bc6a755be4
This is really old school, but a lot of times we have users sending us copy pasting of codes, and that is the only way to know the version of the code.
120 lines
3.1 KiB
FortranFixed
120 lines
3.1 KiB
FortranFixed
*> \brief \b XERBLA_ARRAY
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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_ARRAY(SRNAME_ARRAY, SRNAME_LEN, INFO)
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*
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* .. Scalar Arguments ..
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* INTEGER SRNAME_LEN, INFO
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* ..
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* .. Array Arguments ..
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* CHARACTER(1) SRNAME_ARRAY(SRNAME_LEN)
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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_ARRAY assists other languages in calling XERBLA, the LAPACK
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*> and BLAS error handler. Rather than taking a Fortran string argument
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*> as the function's name, XERBLA_ARRAY takes an array of single
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*> characters along with the array's length. XERBLA_ARRAY then copies
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*> up to 32 characters of that array into a Fortran string and passes
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*> that to XERBLA. If called with a non-positive SRNAME_LEN,
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*> XERBLA_ARRAY will call XERBLA with a string of all blank characters.
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*>
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*> Say some macro or other device makes XERBLA_ARRAY available to C99
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*> by a name lapack_xerbla and with a common Fortran calling convention.
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*> Then a C99 program could invoke XERBLA via:
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*> {
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*> int flen = strlen(__func__);
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*> lapack_xerbla(__func__, &flen, &info);
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*> }
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*>
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*> Providing XERBLA_ARRAY is not necessary for intercepting LAPACK
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*> errors. XERBLA_ARRAY calls XERBLA.
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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_ARRAY
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*> \verbatim
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*> SRNAME_ARRAY is CHARACTER(1) array, dimension (SRNAME_LEN)
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*> The name of the routine which called XERBLA_ARRAY.
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*> \endverbatim
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*>
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*> \param[in] SRNAME_LEN
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*> \verbatim
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*> SRNAME_LEN is INTEGER
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*> The length of the name in SRNAME_ARRAY.
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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 December 2016
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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_ARRAY(SRNAME_ARRAY, SRNAME_LEN, INFO)
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*
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* -- Reference BLAS level1 routine (version 3.7.0) --
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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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* December 2016
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*
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* .. Scalar Arguments ..
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INTEGER SRNAME_LEN, INFO
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* ..
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* .. Array Arguments ..
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CHARACTER(1) SRNAME_ARRAY(SRNAME_LEN)
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* ..
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*
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* =====================================================================
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*
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* ..
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* .. Local Scalars ..
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INTEGER I
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* ..
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* .. Local Arrays ..
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CHARACTER*32 SRNAME
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* ..
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* .. Intrinsic Functions ..
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INTRINSIC MIN, LEN
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* ..
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* .. External Functions ..
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EXTERNAL XERBLA
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* ..
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* .. Executable Statements ..
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SRNAME = ''
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DO I = 1, MIN( SRNAME_LEN, LEN( SRNAME ) )
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SRNAME( I:I ) = SRNAME_ARRAY( I )
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END DO
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CALL XERBLA( SRNAME, INFO )
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RETURN
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END
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