On Saturday, March 8, 2014 2:23:23 PM UTC-6, Mark H. Harris wrote:

y=x.__round__(15) <====== how to set the round within context so that works for float literals & decimals
with localcontext(ctx=None) as cmngr:
{snip}

Is this possible..?

Only do this for float literals. Yes? Set a trap, and choose.

I gotta play with this a bit...