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From Phil Steitz <phil.ste...@gmail.com>
Subject Re: [math] Releasing 2.0
Date Tue, 21 Jul 2009 00:35:05 GMT
Luc Maisonobe wrote:
> Luc Maisonobe a écrit :
>   
>> Luc Maisonobe a écrit :
>>     
>>> Phil Steitz a écrit :
>>>       
>>>> Looks like we are - at last - ready to cut 2.0.   All that remains is
>>>>
>>>> 1)  resolve MATH-260 and MATH-261 (which I am +1 as marking fixed, based
>>>> on Luc's last changes)
>>>>         
>>> +1
>>>
>>>       
>>>> 2)  push remaining unscheduled issues to 2.1
>>>>         
>>> Concerning MATH-268 I would consider closing it with won't fix and
>>> reopening it later if the user still wants it. This is a difficult and
>>> non-standard feature.
>>>
>>>       
>>>> 3)  generate clirr report
>>>> 4)  enhance the maven-changes-report to create proper release notes
>>>>         
>>> 5) fix the last few bits in Adams-Bashforth and Adams-Moulton that still
>>> don't work ... Sorry for that but I'm still unhappy with the accuracy of
>>> these two integrators. I'm working on it. If somebody want to have a
>>> look at the implementation, please do. Be aware it is quite difficult. I
>>> have put in the class javadoc as much as I could to explain the
>>> underlying theory because I only found sparse documentation on the web
>>> and had to redevelop some equations myself.
>>>       
>> I got it! It now seems to me the problem was numerical instability, not
>> an error in the equations or implementation. Step size growth should be
>> very slow for these integrators, I've changed the initial automatic
>> setting to a safer value.
>>
>> Now there is nothing left on my side that would delay 2.0 anymore.
>>
>>     
>>>> I will do the RM-ing if no one else wants to but would appreciate help
>>>> in writing a summary of API changes to add to the release notes.
>>>>         
>>> I can help on that. I'll first try once again to understand the problem
>>> with the integrator and if it takes too long I'll give up for a while
>>> and will put a notice for users that these are experimental
>>> implementations. Then I'll write a summary on the various API changes I
>>> know about (mainly ODE, optimization, root solvers and linear algebra).
>>>       
>> Where do you want me to put such a summary ? I think the release notes
>> are automatically generated from the changes.xml file, so I probably
>> need to put it somewhere else.
>>     
>
> I've set up a first version of the release notes yesterday, checked the
> remaining bits about serialization and improved tests coverage today (we
>  now have more than 2000 unit tests with a test coverage of 89%). The
> current state is ready for publication in my humble opinion.
>
> I will not have much more time this week. Phil, if you are still OK for
> managing the release, I'll let you do it when you want.
>   
I will not have much time this week either, unfortunately, but will 
start and at least get an RC rolled by the weekend.  Thanks!

Phil
> Thanks,
> Luc
>
>   
>> Luc
>>
>>     
>>> Luc
>>>
>>>       
>>>> Phil
>>>>
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>>>>         
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>>>
>>>       
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>>
>>     
>
>
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>   


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