[visit-developers] ln syntax

Sean Ahern ahern at ornl.gov
Mon May 11 13:45:57 EDT 2009

Hank Childs wrote:
> -> New proposed result:
>    The avtDivideExpression:
>        (i) puts in some sort of sentinel value to express an error (-

I like this idea.  Having a sentinel value for errors makes future 
processing useful.  It's akin to throwing an exception that's handled 
somewhere else.  I would suggest FP_NAN or NAN (#defined in math.h) 
would be a good sentinel value.


Sean Ahern
Oak Ridge National Laboratory
AIM: ornlsean

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