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aw0a |
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SUBROUTINE XERBLA(SRNAME,INFO) |
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C .. Scalar Arguments .. |
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INTEGER INFO |
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CHARACTER SRNAME*6 |
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C .. |
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C |
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C Purpose |
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C ======= |
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C |
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C XERBLA is an error handler for the Level 2 BLAS routines. |
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C |
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C It is called by the Level 2 BLAS routines if an input parameter is |
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C invalid. |
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C |
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C Installers should consider modifying the STOP statement in order to |
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C call system-specific exception-handling facilities. |
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C |
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C Parameters |
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C ========== |
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C |
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C SRNAME - CHARACTER*6. |
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C On entry, SRNAME specifies the name of the routine which |
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C called XERBLA. |
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C |
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C INFO - INTEGER. |
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C On entry, INFO specifies the position of the invalid |
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C parameter in the parameter-list of the calling routine. |
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C |
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C |
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C Auxiliary routine for Level 2 Blas. |
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C |
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C Written on 20-July-1986. |
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C |
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C .. Executable Statements .. |
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C |
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WRITE (*,FMT=99999) SRNAME,INFO |
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C |
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STOP |
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C |
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99999 FORMAT (' ** On entry to ',A6,' parameter number ',I2, |
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+ ' had an illegal value') |
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C |
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C End of XERBLA. |
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C |
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END |
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