[FRIAM] div. zero bugs?

[Stephen Guerin]

Phil writes: 
> Not sure I understand.   What's an 'exception'.  Is it 
> related to what I
> was asking about, the chain of conditions getting trapped in 
> increasing complexity, or does it mostly refer to just 
> non-existent address faults
> and things like that?

Here's some wikipedia entries that may help translate the software vernacular to
your space.   

http://en.wikipedia.org/wiki/Exception_handling
http://en.wikipedia.org/wiki/Sanity_check
http://en.wikipedia.org/wiki/Software_testing