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Re: Unrestricted float

From: Ian Hickson <ian@hixie.ch>
Date: Fri, 6 Apr 2012 22:29:24 +0000 (UTC)
To: Boris Zbarsky <bzbarsky@MIT.EDU>
cc: public-script-coord@w3.org
Message-ID: <Pine.LNX.4.64.1204062228140.22654@ps20323.dreamhostps.com>
On Fri, 6 Apr 2012, Boris Zbarsky wrote:
> On 4/6/12 6:16 PM, Marcos Caceres wrote:
> > > I don't understand the question. What's the context here?
> > 
> > Sorry about lack of context, we are trying to make sure that every 
> > type in the WebIDL is being used by at least one Web Platform spec. We 
> > were wondering if any spec is using the type "unrestricted double" 
> > (and in particular, if Canvas depends on it)?
> More precisely, the 'float' and 'double' types in WebIDL have been 
> redefined to throw on non-finite floats.  There are now 'unrestricted 
> float' and 'unrestricted double' types for cases where non-finite floats 
> should be passed through to the underlying method.

Huh. First I heard of it.

> Which means that every single case where canvas is supposed to do 
> "nothing" on non-finite floats or doubles need to be using the 
> unrestricted versions. Clearly 'unrestricted float' is needed.  The 
> question is whether 'unrestricted double' is needed.

Everything in the HTML spec that uses floating point uses double, not 
float. I guess that means I should be going through everything and 
changing most of it to refer to "unrestricted double" instead of just 

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Friday, 6 April 2012 22:29:48 UTC

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