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Re: A possible structure of the datatype system for OWL 2 (related to ISSUE-126)

From: Alan Ruttenberg <alanruttenberg@gmail.com>
Date: Thu, 10 Jul 2008 11:25:38 +0100
Message-Id: <12BE3FE4-55D2-4BFA-BB07-67A08627C47B@gmail.com>
Cc: "Boris Motik" <boris.motik@comlab.ox.ac.uk>, "'OWL Working Group WG'" <public-owl-wg@w3.org>
To: Rob Shearer <rob.shearer@comlab.ox.ac.uk>


On Jul 10, 2008, at 11:13 AM, Rob Shearer wrote:

>>  Some machine's don't really have single float hardware, instead  
>> rounding from double float.
>
> I'm not sure that's relevant: all machines can mimic single float  
> (i.e. the double hardware can do single rounding after every  
> operation).
>
> I'd be more interested in hearing how big a user base double- 
> precision floats really have. Are many scientific data sets encoded  
> using doubles?

I will investigate.
-Alan

>
> For the record, I'd wouldn't mind requiring double-precision floats  
> but only 32-bit integers. Minimal implementations of such a spec  
> could use a single homogeneous representation for numbers in that  
> case.
>
> -rob
>
Received on Thursday, 10 July 2008 10:26:18 UTC

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