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.

          SRNAME is CHARACTER*(*)


          The name of the routine which called XERBLA.

INFO

          INFO is INTEGER


          The position of the invalid parameter in the parameter list


          of the calling routine.

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.