[viff-devel] Floating point operation [Re. to Martin's message]

Mikkel Krøigård mk at daimi.au.dk
Mon Sep 15 08:24:21 PDT 2008


> Say, if a and b are two floating point numbers that are secret-shared
> between members (e.g. additively), then we want to compute:
> c = a # b
> where # is one of { *, / , + , - }
VIFF was built to handle integers and currently does not support floating point
numbers or rationals. This does not mean that it is not a concern, but we (or
maybe it's just me?) are not aware of any really nice way to handle this
problem, but I am quite interested in finding one.

I have read the "Cryptocomputing with rationals" paper, and although it is a
nice idea it does not really solve the whole thing.


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