Martin Duerst wrote::
> At 23:39 08/12/09, SASADA Koichi wrote:
>> Ken Bloom wrote::
>>> Even so, where would you get space for the tag from? Ruby's documentation 
>>> says that a "Float objects represent real numbers using the native 
>>> architecture double-precision floating point representation," and a 
>>> double is 64 bits on most 32- and 64-bit operating systems.
>> Good point.
>>
>> A method is written in my paper, but it is written in Japanese.
> 
> Do you have a pointer?

I posted this paper to PPL2008.
paper in Japanese:
http://www.atdot.net/~ko1/activities/rubyfp.pdf
slides in Japanese:
http://www.atdot.net/~ko1/activities/PPL2008-rubyfp.pdf

My EURUKO2008 slides includes this idea in English.
http://www.atdot.net/~ko1/activities/EURUKO2008_sasada_en.pdf

>> This is ruby.h for embed double.
>> http://www.atdot.net/sp/view/e76mbk
> 
> I only get a page with some data and links, as follows:

Someone may delete it.
here is: http://www.atdot.net/sp/readonly/iponbk

-- 
// SASADA Koichi at atdot dot net