The best solution is to drop the float build and keep the doubles build. Performance lost in this way should be more than regained by completing work on multi-threading Csound, and other optimizations. On Windows, at any rate, the performance gap is not very large. I will get back to the list with accurate comparisons.

Don't worry, this is not something I will (or can) do unilaterally. It should be based on research.

Regards,
Mike

-----Original Message-----
>From: Victor Lazzarini 
>Sent: Oct 20, 2008 1:12 PM
>To: Developer discussions 
>Subject: Re: [Cs-dev] csound 64-bit API
>
>I agree this perhaps needs a better solution. As for the OSX framework,
>I have not yet decided which way I am going to package the doubles
>build.
>
>Regards
>
>Victor
>
>At 15:50 20/10/2008, you wrote:
>>Oh, I didn't realize that I must set USE_DOUBLE also on my own sources.
>>I assumed that MYFLT would be defined as double if csound was compiled
>>with useDouble=1. Why else export MYFLT to the public API?
>>
>>The scons build script could easily write a simple "#define MYFLT
>>double" to myflt.h and let csound.h include it. Then apps using the
>>csound API could just relax and use MYFLT and it would just work. Now I
>>need to check if csound was built with double precision by checking if
>>the library name is "csound" or "csound64" which is kind of ugly. And
>>does this work on MacOSX framework? Is there any other way to check if
>>csound is float or double?
>>
>>Victor Lazzarini wrote:
>> > That is because MYFLT is set to be float not double. You will need
>> > -DUSE_DOUBLE to set MYFLT to double. The insert_score_event() is
>> > basically getting garbage as the pointer sizes don't match.
>> >
>> > Victor
>> >
>> >> But now I got another problem, I use code like this to send score events
>> >>from AlgoScore to Csound:
>> >>     MYFLT *parms;
>> >>     int i;
>> >>     naRef vec = VECARG(2);
>> >>     int sz = naVec_size(vec);
>> >>     parms = malloc(sizeof(MYFLT)*sz);
>> >>     for(i=0;i> >>         parms[i]=naNumValue(naVec_get(vec,i)).num;
>> >>     csoundScoreEvent(cs, 'i', parms, sz);
>> >>
>> >> But I get "insert_score_event(): invalid instrument number or name" from
>> >> csound. This only happens with the double version and works fine with
>> >> the float version of csound!
>> >>
>> >> --
>> >> /Jonatan         [ http://kymatica.com ]
>>
>>--
>>/Jonatan         [ http://kymatica.com ]
>>
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>
>Victor Lazzarini
>Music Technology Laboratory
>Music Department
>National University of Ireland, Maynooth 
>
>
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