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SUBROUTINE XERBLA( SRNAME, INFO )
* * -- LAPACK auxiliary routine (version 3.2) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * November 2006 * * .. Scalar Arguments .. CHARACTER*(*) SRNAME INTEGER INFO * .. * * Purpose * ======= * * XERBLA is an error handler for the LAPACK routines. * It is called by an LAPACK routine if an input parameter has an * invalid value. A message is printed and execution stops. * * Installers may consider modifying the STOP statement in order to * call system-specific exception-handling facilities. * * Arguments * ========= * * SRNAME (input) CHARACTER*(*) * The name of the routine which called XERBLA. * * INFO (input) INTEGER * The position of the invalid parameter in the parameter list * of the calling routine. * * ===================================================================== * * .. Intrinsic Functions .. INTRINSIC LEN_TRIM * .. * .. Executable Statements .. * WRITE( *, FMT = 9999 )SRNAME( 1:LEN_TRIM( SRNAME ) ), INFO * STOP * 9999 FORMAT( ' ** On entry to ', A, ' parameter number ', I2, ' had ', $ 'an illegal value' ) * * End of XERBLA * END |