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| 1 | SUBROUTINE XERBLA(SRNAME,INFO) |
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| 2 | * |
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| 3 | * -- LAPACK auxiliary routine (preliminary version) -- |
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| 4 | * Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. |
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| 5 | * November 2006 |
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| 6 | * |
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| 7 | * .. Scalar Arguments .. |
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| 8 | INTEGER INFO |
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| 9 | CHARACTER*6 SRNAME |
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| 10 | * .. |
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| 11 | * |
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| 12 | * Purpose |
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| 13 | * ======= |
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| 14 | * |
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| 15 | * XERBLA is an error handler for the LAPACK routines. |
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| 16 | * It is called by an LAPACK routine if an input parameter has an |
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| 17 | * invalid value. A message is printed and execution stops. |
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| 18 | * |
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| 19 | * Installers may consider modifying the STOP statement in order to |
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| 20 | * call system-specific exception-handling facilities. |
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| 21 | * |
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| 22 | * Arguments |
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| 23 | * ========= |
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| 24 | * |
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| 25 | * SRNAME (input) CHARACTER*6 |
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| 26 | * The name of the routine which called XERBLA. |
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| 27 | * |
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| 28 | * INFO (input) INTEGER |
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| 29 | * The position of the invalid parameter in the parameter list |
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| 30 | * of the calling routine. |
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| 31 | * |
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| 32 | * |
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| 33 | WRITE (*,FMT=9999) SRNAME,INFO |
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| 34 | * |
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| 35 | STOP |
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| 36 | * |
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| 37 | 9999 FORMAT (' ** On entry to ',A6,' parameter number ',I2,' had ', |
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| 38 | + 'an illegal value') |
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| 39 | * |
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| 40 | * End of XERBLA |
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| 41 | * |
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| 42 | END |
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