root / src / lapack / util / xerbla.f @ 10
Historique | Voir | Annoter | Télécharger (1,32 ko)
| 1 |
SUBROUTINE XERBLA( SRNAME, INFO ) |
|---|---|
| 2 |
* |
| 3 |
* -- LAPACK auxiliary routine (version 3.2) -- |
| 4 |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
| 5 |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
| 6 |
* November 2006 |
| 7 |
* |
| 8 |
* .. Scalar Arguments .. |
| 9 |
CHARACTER*(*) SRNAME |
| 10 |
INTEGER INFO |
| 11 |
* .. |
| 12 |
* |
| 13 |
* Purpose |
| 14 |
* ======= |
| 15 |
* |
| 16 |
* XERBLA is an error handler for the LAPACK routines. |
| 17 |
* It is called by an LAPACK routine if an input parameter has an |
| 18 |
* invalid value. A message is printed and execution stops. |
| 19 |
* |
| 20 |
* Installers may consider modifying the STOP statement in order to |
| 21 |
* call system-specific exception-handling facilities. |
| 22 |
* |
| 23 |
* Arguments |
| 24 |
* ========= |
| 25 |
* |
| 26 |
* SRNAME (input) CHARACTER*(*) |
| 27 |
* The name of the routine which called XERBLA. |
| 28 |
* |
| 29 |
* INFO (input) INTEGER |
| 30 |
* The position of the invalid parameter in the parameter list |
| 31 |
* of the calling routine. |
| 32 |
* |
| 33 |
* ===================================================================== |
| 34 |
* |
| 35 |
* .. Intrinsic Functions .. |
| 36 |
INTRINSIC LEN_TRIM |
| 37 |
* .. |
| 38 |
* .. Executable Statements .. |
| 39 |
* |
| 40 |
WRITE( *, FMT = 9999 )SRNAME( 1:LEN_TRIM( SRNAME ) ), INFO |
| 41 |
* |
| 42 |
STOP |
| 43 |
* |
| 44 |
9999 FORMAT( ' ** On entry to ', A, ' parameter number ', I2, ' had ', |
| 45 |
$ 'an illegal value' ) |
| 46 |
* |
| 47 |
* End of XERBLA |
| 48 |
* |
| 49 |
END |