From: Joel VanderWerf <vjoel@...>
Date: 2006-11-15T05:29:02+09:00
Subject: Re: Is 2.0 Integer or Float?

James Edward Gray II wrote:
> On Nov 14, 2006, at 2:21 PM, Wilson Bilkovich wrote:
> 
>> IEEE floating point can store an exact representation of any integer
>> that the fp number is large enough to contain.
>> I've never used it this way, but supposedly that is used to handle
>> 53-bit ints on platforms that have 64-bit floats and only 32-bit ints.
>>
>> That may or may not be what the OP is trying to do.
> 
> I'm pretty sure Lua uses floats for everything, for exactly this reason.

How does that work? Is there an 11-bit pattern that signifies "use the 
remaining 53 bits as a integer"? Do math library functions respect this?

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407