[Mpi-forum] MPI_Pcontrol const argument

[William Gropp]

There is no rationale, other than that this is an IN argument and hence is unchanged.  Of course, declaring it as const achieves nothing new.  I think it was just a rote application of that rule, to a routine that is rarely used.

Bill

William Gropp
Acting Director and Chief Scientist, NCSA
Director, Parallel Computing Institute
Thomas M. Siebel Chair in Computer Science
University of Illinois Urbana-Champaign



> On Apr 6, 2017, at 9:42 AM, Jim Dinan <james.dinan at gmail.com> wrote:
> 
> Hi All,
> 
> I apologize if this is a dumb question -- what's the rationale for the const qualifier on the level argument to MPI_Pcontrol?
> 
> int MPI_Pcontrol(const int level, ...)
> 
> Cheers,
>  ~Jim.
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