As part of a writing project (about which, more details will surface as time
goes on), I'd like to document precisely what's going on with respect to
installing the floats vs. doubles versions of Csound. Looking at the
directory on SourceForge, it appears that the Windows build of 5.13 is
available only in the doubles version. But what I've installed on my Mac is
the floats build of 5.13, and I see no other option for an installer for
MacOS.

My first question is, is this a significant difference? Not only with
respect to the functionality of Csound itself, but for example with respect
to the compatibility of the Csound install with various front ends. I seem
to recall that at some point a few months ago, QuteCsound would only run
with one of them, but I don't remember the details, and that may be old
information by now.

Second, is this the way Csound is intended to be distributed from now on,
with the Mac version differing in word size from the Windows version, or is
it just an artifact based on how much (or rather, how little) time folks
have had to build installers?

My impression from some recent discussions is that the floats version may
run a little faster, which might be significant in CPU-intensive real-time
applications. But I recall also seeing one or two messages suggesting that
such differences are minor. The CPU load may not be the only significant
difference between the floats and doubles versions; some opcodes may be
written in such a way as to fail under one version or the other .

Appendix H in the manual states that 64-bit doubles precision can
occasionally sound cleaner -- but Appendix H is written in such a way as to
imply that users will have access to both the 32-bit and 64-bit versions,
which doesn't seem to be the case at present. Appendix H also states that
lpanal and cvanal are not compatible with Csound64. Is this incompatibility
likely to be rectified in the future, or is it likely to remain?

For purposes of this writing project, I would like to be able to present the
picture in an authoritative way. Any insights into this topic would be much
appreciated. Thanks!

--Jim Aikin

--
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my 2 cents on this,

The doubles version sounds better, and in some cases the extra
precision is actually needed to get what you ask for.
An example would be bitreduction, where I've experienced quantization
errors with the floats version. I can probably dig out an example if
needed.
I am eager to get the most optimized realtime performance, this is
very important, but still I would be willing to sacrifice the slight
performance gain of the floats version in favor of high precision
audio processing. The floats version may have to be supportet for some
time, for compatibility reasons, other than that I would say we could
go to doubles only.

... hoping not to start a war over this :-)
best
Oeyvind

2011/3/18 Jim Aikin :
> As part of a writing project (about which, more details will surface as time
> goes on), I'd like to document precisely what's going on with respect to
> installing the floats vs. doubles versions of Csound. Looking at the
> directory on SourceForge, it appears that the Windows build of 5.13 is
> available only in the doubles version. But what I've installed on my Mac is
> the floats build of 5.13, and I see no other option for an installer for
> MacOS.
>
> My first question is, is this a significant difference? Not only with
> respect to the functionality of Csound itself, but for example with respect
> to the compatibility of the Csound install with various front ends. I seem
> to recall that at some point a few months ago, QuteCsound would only run
> with one of them, but I don't remember the details, and that may be old
> information by now.
>
> Second, is this the way Csound is intended to be distributed from now on,
> with the Mac version differing in word size from the Windows version, or is
> it just an artifact based on how much (or rather, how little) time folks
> have had to build installers?
>
> My impression from some recent discussions is that the floats version may
> run a little faster, which might be significant in CPU-intensive real-time
> applications. But I recall also seeing one or two messages suggesting that
> such differences are minor. The CPU load may not be the only significant
> difference between the floats and doubles versions; some opcodes may be
> written in such a way as to fail under one version or the other .
>
> Appendix H in the manual states that 64-bit doubles precision can
> occasionally sound cleaner -- but Appendix H is written in such a way as to
> imply that users will have access to both the 32-bit and 64-bit versions,
> which doesn't seem to be the case at present. Appendix H also states that
> lpanal and cvanal are not compatible with Csound64. Is this incompatibility
> likely to be rectified in the future, or is it likely to remain?
>
> For purposes of this writing project, I would like to be able to present the
> picture in an authoritative way. Any insights into this topic would be much
> appreciated. Thanks!
>
> --Jim Aikin
>
> --
> View this message in context: http://csound.1045644.n5.nabble.com/Floats-n-Doubles-tp3943283p3943283.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
>
>


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The MacOS version comes with doubles and floats; which one you use,  
will depend on the frontend: the csound command
uses floats; csound64 uses doubles; third-party frontends will use one  
or the other (blue uses
doubles; qutecsound comes for floats, but there might be a doubles  
version also available; winXound
can use either csound or csound64, you set it in the preferences;  
Cecilia most likely will use doubles, as the
python module installed by default is the doubles one)

Victor
On 18 Mar 2011, at 07:11, Jim Aikin wrote:

>  But what I've installed on my Mac is
> the floats build of 5.13, and I see no other option for an installer  
> for
> MacOS.



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I have noticed that on snow-leopard with a 64bit machine using the
double version does not really affect the performance speed much so a
few days ago I uninstalled floats and am only using doubles version
from now on. It does make a difference to sound quality (e.g. the ATS
opcodes sound much better with the doubles version).

On 18 March 2011 09:09, Victor Lazzarini  wrote:
> The MacOS version comes with doubles and floats; which one you use, will
> depend on the frontend: the csound command
> uses floats; csound64 uses doubles; third-party frontends will use one or
> the other (blue uses
> doubles; qutecsound comes for floats, but there might be a doubles version
> also available; winXound
> can use either csound or csound64, you set it in the preferences; Cecilia
> most likely will use doubles, as the
> python module installed by default is the doubles one)
>
> Victor
> On 18 Mar 2011, at 07:11, Jim Aikin wrote:
>
>>  But what I've installed on my Mac is
>> the floats build of 5.13, and I see no other option for an installer for
>> MacOS.
>
>
>
> Send bugs reports to the Sourceforge bug tracker
>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
> csound"
>
>


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That surprises me since the release csound is built for i386, not  
x86_64 (unless you are using
your own custom build). However, reports are that doubles is indeed  
slightly faster
on x86_64.

Victor

On 18 Mar 2011, at 09:18, peiman khosravi wrote:

> I have noticed that on snow-leopard with a 64bit machine using the
> double version does not really affect the performance speed much so a
> few days ago I uninstalled floats and am only using doubles version
> from now on. It does make a difference to sound quality (e.g. the ATS
> opcodes sound much better with the doubles version).
>
> On 18 March 2011 09:09, Victor Lazzarini   
> wrote:
>> The MacOS version comes with doubles and floats; which one you use,  
>> will
>> depend on the frontend: the csound command
>> uses floats; csound64 uses doubles; third-party frontends will use  
>> one or
>> the other (blue uses
>> doubles; qutecsound comes for floats, but there might be a doubles  
>> version
>> also available; winXound
>> can use either csound or csound64, you set it in the preferences;  
>> Cecilia
>> most likely will use doubles, as the
>> python module installed by default is the doubles one)
>>
>> Victor
>> On 18 Mar 2011, at 07:11, Jim Aikin wrote:
>>
>>>  But what I've installed on my Mac is
>>> the floats build of 5.13, and I see no other option for an  
>>> installer for
>>> MacOS.
>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body  
>> "unsubscribe
>> csound"
>>
>>
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body  
> "unsubscribe csound"
>



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Hi,

The explanation for this is that if you use the API, you can only use
either doubles or floats. So you can build QuteCsound (or blue, which
is also an API user) to use one or the other, but there is currently
no way to do both with a single binary. A program like WinXsound can
use both because it calls the command line version of Csound, so it
can be configured (as opposed to rebuilt) to run either, but it can't
provide rich interaction through the API.

I'm not sure how Michael builds QuteCsound for windows packaging. I
think the latest version is built for doubles. Is that right?
You can check this by running Csound inside QuteCsound (not on the
command line), and one of the first lines should tell you if you are
using doubles or floats. If you build QuteCsound from source, this
information is in the help window.

Cheers,
Andres

On Fri, Mar 18, 2011 at 9:09 AM, Victor Lazzarini
 wrote:
> The MacOS version comes with doubles and floats; which one you use, will
> depend on the frontend: the csound command
> uses floats; csound64 uses doubles; third-party frontends will use one or
> the other (blue uses
> doubles; qutecsound comes for floats, but there might be a doubles version
> also available; winXound
> can use either csound or csound64, you set it in the preferences; Cecilia
> most likely will use doubles, as the
> python module installed by default is the doubles one)
>
> Victor
> On 18 Mar 2011, at 07:11, Jim Aikin wrote:
>
>>  But what I've installed on my Mac is
>> the floats build of 5.13, and I see no other option for an installer for
>> MacOS.
>
>
>
> Send bugs reports to the Sourceforge bug tracker
>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
> csound"
>
>


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No I am using the installer. I am not sure if it is faster but I can't
notice any difference in performance (other than sound quality). On my
older computer there is a huge difference and doubles is almost
unusable in real-time in most cases. Perhaps it's related to some
other parameter.

Thanks

Peiman

On 18 March 2011 09:30, Victor Lazzarini  wrote:
> That surprises me since the release csound is built for i386, not x86_64
> (unless you are using
> your own custom build). However, reports are that doubles is indeed slightly
> faster
> on x86_64.
>
> Victor
>
> On 18 Mar 2011, at 09:18, peiman khosravi wrote:
>
>> I have noticed that on snow-leopard with a 64bit machine using the
>> double version does not really affect the performance speed much so a
>> few days ago I uninstalled floats and am only using doubles version
>> from now on. It does make a difference to sound quality (e.g. the ATS
>> opcodes sound much better with the doubles version).
>>
>> On 18 March 2011 09:09, Victor Lazzarini  wrote:
>>>
>>> The MacOS version comes with doubles and floats; which one you use, will
>>> depend on the frontend: the csound command
>>> uses floats; csound64 uses doubles; third-party frontends will use one or
>>> the other (blue uses
>>> doubles; qutecsound comes for floats, but there might be a doubles
>>> version
>>> also available; winXound
>>> can use either csound or csound64, you set it in the preferences; Cecilia
>>> most likely will use doubles, as the
>>> python module installed by default is the doubles one)
>>>
>>> Victor
>>> On 18 Mar 2011, at 07:11, Jim Aikin wrote:
>>>
>>>>  But what I've installed on my Mac is
>>>> the floats build of 5.13, and I see no other option for an installer for
>>>> MacOS.
>>>
>>>
>>>
>>> Send bugs reports to the Sourceforge bug tracker
>>>          https://sourceforge.net/tracker/?group_id=81968&atid=564599
>>> Discussions of bugs and features can be posted here
>>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>>> csound"
>>>
>>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>> csound"
>>
>
>
>
> Send bugs reports to the Sourceforge bug tracker
>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
> csound"
>
>


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My impression is that Csound should move (in the next release?) to just
distributing the doubles version. This would avoid some confusion in
installing or in the combination of the csound engine with a frontend.

I am wondering what might be problems doing it:
- Some Python libs just as floats?
- Problems with QuteCsound (I remember there was a problem with the
scope widget running very slow with doubles - I don't know if this is
still the case).
- Others?

	joachim

Am 18.03.2011 08:11, schrieb Jim Aikin:
> As part of a writing project (about which, more details will surface as time
> goes on), I'd like to document precisely what's going on with respect to
> installing the floats vs. doubles versions of Csound. Looking at the
> directory on SourceForge, it appears that the Windows build of 5.13 is
> available only in the doubles version. But what I've installed on my Mac is
> the floats build of 5.13, and I see no other option for an installer for
> MacOS.
> 
> My first question is, is this a significant difference? Not only with
> respect to the functionality of Csound itself, but for example with respect
> to the compatibility of the Csound install with various front ends. I seem
> to recall that at some point a few months ago, QuteCsound would only run
> with one of them, but I don't remember the details, and that may be old
> information by now.
> 
> Second, is this the way Csound is intended to be distributed from now on,
> with the Mac version differing in word size from the Windows version, or is
> it just an artifact based on how much (or rather, how little) time folks
> have had to build installers?
> 
> My impression from some recent discussions is that the floats version may
> run a little faster, which might be significant in CPU-intensive real-time
> applications. But I recall also seeing one or two messages suggesting that
> such differences are minor. The CPU load may not be the only significant
> difference between the floats and doubles versions; some opcodes may be
> written in such a way as to fail under one version or the other .
> 
> Appendix H in the manual states that 64-bit doubles precision can
> occasionally sound cleaner -- but Appendix H is written in such a way as to
> imply that users will have access to both the 32-bit and 64-bit versions,
> which doesn't seem to be the case at present. Appendix H also states that
> lpanal and cvanal are not compatible with Csound64. Is this incompatibility
> likely to be rectified in the future, or is it likely to remain?
> 
> For purposes of this writing project, I would like to be able to present the
> picture in an authoritative way. Any insights into this topic would be much
> appreciated. Thanks!
> 
> --Jim Aikin
> 
> --
> View this message in context: http://csound.1045644.n5.nabble.com/Floats-n-Doubles-tp3943283p3943283.html
> Sent from the Csound - General mailing list archive at Nabble.com.
> 
> 
> Send bugs reports to the Sourceforge bug tracker
>             https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
> 
> 


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> My impression is that Csound should move (in the next release?) to just
> distributing the doubles version. This would avoid some confusion in
> installing or in the combination of the csound engine with a frontend.

+1

Stef


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I build both Csound and QuteCsound for double-precision samples only
on Windows, for myself and for the Windows installers, and on Linux,
for myself only.

I do not use any of the utilities mentioned as possibly incompatible
with 64 bit samples, so I don't know about that.\

I recommend, as I often have, that all builds on all platforms switch
to 64 bit samples.

Regards,
Mike

On Fri, Mar 18, 2011 at 5:39 AM, Andres Cabrera  wrote:
> Hi,
>
> The explanation for this is that if you use the API, you can only use
> either doubles or floats. So you can build QuteCsound (or blue, which
> is also an API user) to use one or the other, but there is currently
> no way to do both with a single binary. A program like WinXsound can
> use both because it calls the command line version of Csound, so it
> can be configured (as opposed to rebuilt) to run either, but it can't
> provide rich interaction through the API.
>
> I'm not sure how Michael builds QuteCsound for windows packaging. I
> think the latest version is built for doubles. Is that right?
> You can check this by running Csound inside QuteCsound (not on the
> command line), and one of the first lines should tell you if you are
> using doubles or floats. If you build QuteCsound from source, this
> information is in the help window.
>
> Cheers,
> Andres
>
> On Fri, Mar 18, 2011 at 9:09 AM, Victor Lazzarini
>  wrote:
>> The MacOS version comes with doubles and floats; which one you use, will
>> depend on the frontend: the csound command
>> uses floats; csound64 uses doubles; third-party frontends will use one or
>> the other (blue uses
>> doubles; qutecsound comes for floats, but there might be a doubles version
>> also available; winXound
>> can use either csound or csound64, you set it in the preferences; Cecilia
>> most likely will use doubles, as the
>> python module installed by default is the doubles one)
>>
>> Victor
>> On 18 Mar 2011, at 07:11, Jim Aikin wrote:
>>
>>>  But what I've installed on my Mac is
>>> the floats build of 5.13, and I see no other option for an installer for
>>> MacOS.
>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>> csound"
>>
>>
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
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>
>



-- 
Michael Gogins
Irreducible Productions
http://www.michael-gogins.com
Michael dot Gogins at gmail dot com


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Thanks for the info about the ats opcodes, how do you know this?

Just from experience. I can't remember which one as I was using them a
long time ago but one of the ATS opcodes used to output a rather
glitchy sound (as if the amplitude interpolation was not smooth
enough) with the float but not the doubles.

Sorry I can't be more specific but I can try and dig out my old CSDs tomorrow.

Best,

Peiman

On 18 March 2011 13:04, Michael Gogins  wrote:
> Thanks for the info about the ats opcodes, how do you know this?
>
> On Mar 18, 2011 5:19 AM, "peiman khosravi"  wrote:
>> I have noticed that on snow-leopard with a 64bit machine using the
>> double version does not really affect the performance speed much so a
>> few days ago I uninstalled floats and am only using doubles version
>> from now on. It does make a difference to sound quality (e.g. the ATS
>> opcodes sound much better with the doubles version).
>>
>> On 18 March 2011 09:09, Victor Lazzarini  wrote:
>>> The MacOS version comes with doubles and floats; which one you use, will
>>> depend on the frontend: the csound command
>>> uses floats; csound64 uses doubles; third-party frontends will use one or
>>> the other (blue uses
>>> doubles; qutecsound comes for floats, but there might be a doubles
>>> version
>>> also available; winXound
>>> can use either csound or csound64, you set it in the preferences; Cecilia
>>> most likely will use doubles, as the
>>> python module installed by default is the doubles one)
>>>
>>> Victor
>>> On 18 Mar 2011, at 07:11, Jim Aikin wrote:
>>>
>>>>  But what I've installed on my Mac is
>>>> the floats build of 5.13, and I see no other option for an installer for
>>>> MacOS.
>>>
>>>
>>>
>>> Send bugs reports to the Sourceforge bug tracker
>>>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
>>> Discussions of bugs and features can be posted here
>>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>>> csound"
>>>
>>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>> https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>> csound"
>>
>


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Thanks, everyone, for the informative replies. It appears I would be not too
far off the mark in saying:

1) Csound is moving gradually toward being a doubles-only app, so in the
future users probably won't need to worry about this factor.

2) Ultimately the version you'll install if you run an installer will depend
on what the person who created the installer built.

3) Currently the Windows version (including QuteCsound) is doubles-only. The
MacOS installer gives you both doubles and floats versions, and QuteCsound
for Mac uses floats.

4) It's possible that a few things (such as those mentioned in Appendix H,
and possibly the QuteCsound scope widget) will need to be updated in order
to work in a doubles-only world.

With respect to item 3, what about Linux? I don't have a Linux computer, so
I have no easy way to look at this question. Do most Linux users build
Csound themselves? Or are there Csound installers for the popular Linux
versions?

--JA

--
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You can apt-get for Csound for debian based Linux distro, I think it's
currently at 5.12? I'd say that most Linux users build Csound
themselves however?

On 18 March 2011 15:37, Jim Aikin  wrote:
> Thanks, everyone, for the informative replies. It appears I would be not too
> far off the mark in saying:
>
> 1) Csound is moving gradually toward being a doubles-only app, so in the
> future users probably won't need to worry about this factor.
>
> 2) Ultimately the version you'll install if you run an installer will depend
> on what the person who created the installer built.
>
> 3) Currently the Windows version (including QuteCsound) is doubles-only. The
> MacOS installer gives you both doubles and floats versions, and QuteCsound
> for Mac uses floats.
>
> 4) It's possible that a few things (such as those mentioned in Appendix H,
> and possibly the QuteCsound scope widget) will need to be updated in order
> to work in a doubles-only world.
>
> With respect to item 3, what about Linux? I don't have a Linux computer, so
> I have no easy way to look at this question. Do most Linux users build
> Csound themselves? Or are there Csound installers for the popular Linux
> versions?
>
> --JA
>
> --
> View this message in context: http://csound.1045644.n5.nabble.com/Floats-n-Doubles-tp3943283p3967953.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
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>


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Hi,

I think the Debian version is doubles and the Fedora version is
floats. I would think that many people build their own Csound, but
building Csound can be tricky for many Linux users, so I would think
many stick to the available packages for their distribution.

Cheers,
Andres

On Fri, Mar 18, 2011 at 3:40 PM, Rory Walsh  wrote:
> You can apt-get for Csound for debian based Linux distro, I think it's
> currently at 5.12? I'd say that most Linux users build Csound
> themselves however?
>
> On 18 March 2011 15:37, Jim Aikin  wrote:
>> Thanks, everyone, for the informative replies. It appears I would be not too
>> far off the mark in saying:
>>
>> 1) Csound is moving gradually toward being a doubles-only app, so in the
>> future users probably won't need to worry about this factor.
>>
>> 2) Ultimately the version you'll install if you run an installer will depend
>> on what the person who created the installer built.
>>
>> 3) Currently the Windows version (including QuteCsound) is doubles-only. The
>> MacOS installer gives you both doubles and floats versions, and QuteCsound
>> for Mac uses floats.
>>
>> 4) It's possible that a few things (such as those mentioned in Appendix H,
>> and possibly the QuteCsound scope widget) will need to be updated in order
>> to work in a doubles-only world.
>>
>> With respect to item 3, what about Linux? I don't have a Linux computer, so
>> I have no easy way to look at this question. Do most Linux users build
>> Csound themselves? Or are there Csound installers for the popular Linux
>> versions?
>>
>> --JA
>>
>> --
>> View this message in context: http://csound.1045644.n5.nabble.com/Floats-n-Doubles-tp3943283p3967953.html
>> Sent from the Csound - General mailing list archive at Nabble.com.
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
>>
>>
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
>
>


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hi andrés -

is it still (or has it ever been) a problem to use qutecsound-doubles
because of the graph widget?

best -

	joachim

Am 18.03.2011 17:31, schrieb Andres Cabrera:
> Hi,
> 
> I think the Debian version is doubles and the Fedora version is
> floats. I would think that many people build their own Csound, but
> building Csound can be tricky for many Linux users, so I would think
> many stick to the available packages for their distribution.
> 
> Cheers,
> Andres
> 
> On Fri, Mar 18, 2011 at 3:40 PM, Rory Walsh  wrote:
>> You can apt-get for Csound for debian based Linux distro, I think it's
>> currently at 5.12? I'd say that most Linux users build Csound
>> themselves however?
>>
>> On 18 March 2011 15:37, Jim Aikin  wrote:
>>> Thanks, everyone, for the informative replies. It appears I would be not too
>>> far off the mark in saying:
>>>
>>> 1) Csound is moving gradually toward being a doubles-only app, so in the
>>> future users probably won't need to worry about this factor.
>>>
>>> 2) Ultimately the version you'll install if you run an installer will depend
>>> on what the person who created the installer built.
>>>
>>> 3) Currently the Windows version (including QuteCsound) is doubles-only. The
>>> MacOS installer gives you both doubles and floats versions, and QuteCsound
>>> for Mac uses floats.
>>>
>>> 4) It's possible that a few things (such as those mentioned in Appendix H,
>>> and possibly the QuteCsound scope widget) will need to be updated in order
>>> to work in a doubles-only world.
>>>
>>> With respect to item 3, what about Linux? I don't have a Linux computer, so
>>> I have no easy way to look at this question. Do most Linux users build
>>> Csound themselves? Or are there Csound installers for the popular Linux
>>> versions?
>>>
>>> --JA
>>>
>>> --
>>> View this message in context: http://csound.1045644.n5.nabble.com/Floats-n-Doubles-tp3943283p3967953.html
>>> Sent from the Csound - General mailing list archive at Nabble.com.
>>>
>>>
>>> Send bugs reports to the Sourceforge bug tracker
>>>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
>>> Discussions of bugs and features can be posted here
>>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
>>>
>>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
>>
>>
> 
> 
> Send bugs reports to the Sourceforge bug tracker
>             https://sourceforge.net/tracker/?group_id=81968&atid=564599
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> 
> 


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Given that floats and doubles are perfectly fine together, I do not  
think I am going to be
dropping the float framework anytime soon. I do not want people to  
update their csound
installation only to see that some frontend they like does not work  
anymore.

However, what I might do for next version is link the csound command  
to the doubles
framework and provide another command, csound32 to use the floats  
framework.

Note that by default the installed modules for Python and Java are now  
linked to the
doubles framework. So the move, as far as OSX is concerned, is to make  
doubles the
default, but still provide access to floats.

Note that I am trying to do this as transparently as possible for the  
Mac user. S/he does not
need to know any of this, if s/he does not want to.

Victor

On 18 Mar 2011, at 15:37, Jim Aikin wrote:

> Thanks, everyone, for the informative replies. It appears I would be  
> not too
> far off the mark in saying:
>
> 1) Csound is moving gradually toward being a doubles-only app, so in  
> the
> future users probably won't need to worry about this factor.
>
> 2) Ultimately the version you'll install if you run an installer  
> will depend
> on what the person who created the installer built.
>
> 3) Currently the Windows version (including QuteCsound) is doubles- 
> only. The
> MacOS installer gives you both doubles and floats versions, and  
> QuteCsound
> for Mac uses floats.
>
> 4) It's possible that a few things (such as those mentioned in  
> Appendix H,
> and possibly the QuteCsound scope widget) will need to be updated in  
> order
> to work in a doubles-only world.
>
> With respect to item 3, what about Linux? I don't have a Linux  
> computer, so
> I have no easy way to look at this question. Do most Linux users build
> Csound themselves? Or are there Csound installers for the popular  
> Linux
> versions?
>
> --JA
>
> --
> View this message in context: http://csound.1045644.n5.nabble.com/Floats-n-Doubles-tp3943283p3967953.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body  
> "unsubscribe csound"
>



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> However, what I might do for next version is link the csound command to
> the doubles
> framework and provide another command, csound32 to use the floats
> framework.

I think this is an excellent idea. Perhaps there can be an advice about
how users who need to revert to the floats version can achieve this (how
to call csound32 instead of csound).

	joachim


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