I am getting to work on the 5.13 installer for Windows Csound. This
will include all bells and whistles and be built with up to date tools
and libraries. Please bring to my attention any issues relevant to
this new Windows release.

Bugs that I am aware of and plan to fix:

-- Fencepost error in CsoundVST buffer indexing.
-- Numerical imprecision in line, linen, linseg and corresponding "r"
opcodes (adding increment rather than multiplying by increment,
leading to drift over long time spans).

Other changes:

-- Need better "readme" for Windows.
-- Xanadu to be default piece in QuteCsound.

I am planning to use FLTK 1.3 and Python 2.7.1 for this release.

A major upgrade like this can take several weeks to complete.

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

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Hi Michael,

> -- Xanadu to be default piece in QuteCsound.

Are you planning on modifying the QuteCsound sources for this? I would
prefer to have the releases synchronized and to know when someone says
they are using 0.6.1 that they are using the same source code, so it
would be great if we include that for the next release, but if
possible, please use the 0.6.1 released source package to prepare your
build. Alternatively, we could ask Andy to build the QuteCsound
Windows package so that you can use those binaries.

Also a thought on this idea. Some releases ago, I shipped a default
file which was not blank, but which produced sound and showed some
widgets in action. Although this was good for many beginners, it's
actually a nuisance to regular users, so the system for the default
file has actually changed and now instead of selecting a file, there
is a text box where you enter the csd template you want to use (this
idea was taken from WinXsound). I think the examples menu serves the
beginners well enough in this respect.

Cheers,
Andres




On Fri, Jan 21, 2011 at 2:47 AM, Michael Gogins
 wrote:
> I am getting to work on the 5.13 installer for Windows Csound. This
> will include all bells and whistles and be built with up to date tools
> and libraries. Please bring to my attention any issues relevant to
> this new Windows release.
>
> Bugs that I am aware of and plan to fix:
>
> -- Fencepost error in CsoundVST buffer indexing.
> -- Numerical imprecision in line, linen, linseg and corresponding "r"
> opcodes (adding increment rather than multiplying by increment,
> leading to drift over long time spans).
>
> Other changes:
>
> -- Need better "readme" for Windows.
>
> I am planning to use FLTK 1.3 and Python 2.7.1 for this release.
>
> A major upgrade like this can take several weeks to complete.
>
> Regards,
> Mike
> --
> Michael Gogins
> Irreducible Productions
> http://www.michael-gogins.com
> Michael dot Gogins at gmail dot com
>
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> Csound-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/csound-devel
>

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This is a bug reported to me personally by Judy Klein, who was trying
to use very long segments in a piece (but it didn't work) and
convincingly demonstrated it to me. I am going to fix it in CVS of
course.

In pseudocode, the bug is, for each segment of the envelope, for each
sample frame:

newgain = newgain + increment

And the fix is:

newgain =  startgain + sample_frames_elapsed_in_segment * increment

With the bug, during a long segment, rounding errors can cause the
error in newgain to drift way out of bound, but with the fix, even in
the longest segments the error in newgain remains strictly within a
small bound.

I used to re-tag such post-release changes, but what I do now is have
my own set of tags for the Windows releases, which are mostly but not
completely in sync with the Linux/OS X tags.

What I suggest is that after all my and all anyone else's post-release
fixes are in, we do a synchronized point release and remove the
earlier versions from the files page.

Regards,
Mike

On Fri, Jan 21, 2011 at 4:06 AM,   wrote:
> Is this a  Csound bug? I was not aware of it. Since 5.13 is already tagged, I suggest
> these fixes go into the next version (otherwise we'll have two 5.13 versions around).
> If this is a showstopper we should have known it (I can't recollect a bug report
> demonstrating this).
>
> Victor
>
>> -- Numerical imprecision in line, linen, linseg and
>> corresponding "r"
>> opcodes (adding increment rather than multiplying by increment,
>> leading to drift over long time spans).
>
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>



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

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That is fine, but I would have preferred if we had synchronised all  
bug fixes just once
before the 5.13, to save me having to re-do packages. Maybe we could  
have a go/no go
system for release where all the package maintainers and main  
developers could agree
on a single release date.

Victor
> What I suggest is that after all my and all anyone else's post-release
> fixes are in, we do a synchronized point release and remove the
> earlier versions from the files page.
>
> Regards,
> Mike
>
> On Fri, Jan 21, 2011 at 4:06 AM,   wrote:
>> Is this a  Csound bug? I was not aware of it. Since 5.13 is already  
>> tagged, I suggest
>> these fixes go into the next version (otherwise we'll have two 5.13  
>> versions around).
>> If this is a showstopper we should have known it (I can't recollect  
>> a bug report
>> demonstrating this).
>>
>> Victor
>>
>>> -- Numerical imprecision in line, linen, linseg and
>>> corresponding "r"
>>> opcodes (adding increment rather than multiplying by increment,
>>> leading to drift over long time spans).
>>
>> ------------------------------------------------------------------------------
>> Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
>> Finally, a world-class log management solution at an even better  
>> price-free!
>> Download using promo code Free_Logger_4_Dev2Dev. Offer expires
>> February 28th, so secure your free ArcSight Logger TODAY!
>> http://p.sf.net/sfu/arcsight-sfd2d
>> _______________________________________________
>> Csound-devel mailing list
>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>
>
>
>
> -- 
> Michael Gogins
> Irreducible Productions
> http://www.michael-gogins.com
> Michael dot Gogins at gmail dot com
>
> ------------------------------------------------------------------------------
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> price-free!
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> February 28th, so secure your free ArcSight Logger TODAY!
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> https://lists.sourceforge.net/lists/listinfo/csound-devel


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A go/no go date is fine with me. But I think a better idea is a
beta/final release system. I think the beta period should be long
enough to actually work -- probably a couple of months.

Regards,
Mike

On Fri, Jan 21, 2011 at 9:26 AM, Victor Lazzarini
 wrote:
> That is fine, but I would have preferred if we had synchronised all
> bug fixes just once
> before the 5.13, to save me having to re-do packages. Maybe we could
> have a go/no go
> system for release where all the package maintainers and main
> developers could agree
> on a single release date.
>
> Victor
>> What I suggest is that after all my and all anyone else's post-release
>> fixes are in, we do a synchronized point release and remove the
>> earlier versions from the files page.
>>
>> Regards,
>> Mike
>>
>> On Fri, Jan 21, 2011 at 4:06 AM,   wrote:
>>> Is this a  Csound bug? I was not aware of it. Since 5.13 is already
>>> tagged, I suggest
>>> these fixes go into the next version (otherwise we'll have two 5.13
>>> versions around).
>>> If this is a showstopper we should have known it (I can't recollect
>>> a bug report
>>> demonstrating this).
>>>
>>> Victor
>>>
>>>> -- Numerical imprecision in line, linen, linseg and
>>>> corresponding "r"
>>>> opcodes (adding increment rather than multiplying by increment,
>>>> leading to drift over long time spans).
>>>
>>> ------------------------------------------------------------------------------
>>> Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
>>> Finally, a world-class log management solution at an even better
>>> price-free!
>>> Download using promo code Free_Logger_4_Dev2Dev. Offer expires
>>> February 28th, so secure your free ArcSight Logger TODAY!
>>> http://p.sf.net/sfu/arcsight-sfd2d
>>> _______________________________________________
>>> Csound-devel mailing list
>>> Csound-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>>
>>
>>
>>
>> --
>> Michael Gogins
>> Irreducible Productions
>> http://www.michael-gogins.com
>> Michael dot Gogins at gmail dot com
>>
>> ------------------------------------------------------------------------------
>> Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
>> Finally, a world-class log management solution at an even better
>> price-free!
>> Download using promo code Free_Logger_4_Dev2Dev. Offer expires
>> February 28th, so secure your free ArcSight Logger TODAY!
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>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>
>
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>



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

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> Maybe we could have a go/no go system for release where all the
> package maintainers and main developers could agree on a single
> release date. 

which is why I gave such a long lead time, with reminders......
==John ffitch

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