[PD-dev] pd-double builds are actually double now

Hans-Christoph Steiner hans at at.or.at
Mon Oct 10 18:56:02 CEST 2011


On Oct 9, 2011, at 5:14 PM, katja wrote:

> On Sun, Oct 9, 2011 at 9:43 PM, Hans-Christoph Steiner  
> <hans at at.or.at> wrote:
>>
>> Ok, I just tested the Mac OS X 64-bit build of Pd-double and it is  
>> indeed
>> double precision.  I say we start announcing it and spreading the  
>> word to
>> get people testing it, and maybe fixing up their code and/or  
>> contributing to
>> fixing things.
>
>> Katya, do you want to post such an announcement to pd-announce?  I  
>> think we
>> should also try to get it posted on the Create Digital Music blog.   
>> It would
>> nice to have example patches of what double precision enables.   
>> I'll do one
>> that uses 32-bit int timestamps.
>
> Yeah it's now the right time to announce things and at the same time
> be clear about what to expect and what to not (yet) expect from pd
> double extended. Tomorrow I'll have time to do some detailed
> announcements. Could we collect tests patches somewhere? I have a lot
> of testpatches already in the original set on:
>
> http://www.katjaas.nl/doubleprecision/doubleprecision.html (page  
> bottom)
>
> Most of these are functional tests and performance tests, but there's
> also a directory 'precision-tests' with examples, some of which are
> also shown on mentioned page.


I was thinking it would be nice to have examples of what double  
precision enables with audio.  I guess its pretty subtle for the most  
part, but your examples are good on your site.  I like the idea of Pd- 
double now becomes useful for general purpose math.  And the IR  
measurement example is a good one too.  Perhaps this doesn't really  
exist, but I was thinking it would be great to have a patch where you  
could hear the difference between single and double precision.

.hc


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