CALL DGBMV ('ILLEGAL', -1, 3, 1, 1, 2.0D0, A, LDA, X, 1, 3.0D0, Y, 1)
In the call above, the value of TRANSA is illegal. DGBMV will call XERBLA, which will print the report shown below and then terminate with a STOP statement.
** On entry to DGBMV parameter number 1 had an illegal value
-1 3 1 1 3 1
The Sun Performance Library will detect all instances in which the calling subprogram specifies one or more illegal argument values, but there are many types of interface errors that the Sun Performance Library will not detect. Included in the list of interface errors that the Sun Performance Library will not detect are too many or too few arguments, an argument of the wrong type, and an argument aliased with the result argument.