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From Gary Gregory <>
Subject Re: [math] release plan for 3.0 ?
Date Wed, 23 Nov 2011 13:41:08 GMT
As a [math] outsider and curious watcher of the [math] "sub-ML" I can offer
the XP mantra: release early, release often. It will never be perfect ;)
Take care of API breaking changes, release 3, tweak features for 3.1 and so


On Wed, Nov 23, 2011 at 4:19 AM, Luc Maisonobe <>wrote:

> Hello,
> I have had several questions about release plans for 3.0.
> I feel guilty for not having pushed this version out yet. It is not in
> release shape now and many thing are still ongoing. Typically, a new
> thread as been started a few hours ago about an important change in the
> linear algebra API (a needed change, so something important to discuss
> now).
> As far as I am concerned, here are the points I want to address myself
> (but if other people want to help, chime in!). I would like to see what
> other developers have in mind so wa can set up a release plan, and
> really work toward a release which is past due.
> My personal tasks are:
>  - finish the adapters wrapping unbounded optimizers into simple bounds
>    optimizers as set up by Gilles, using the two function adapters
>    already available
>  - stabilize Adams based ODE integrators using the
>    MathUtils.linearCombination feature to ensure better accuracy and
>    error estimates in the Nordsieck vectors
>  - perhaps add back the BDF integrator for stiff problems, using the
>    Nordsieck vectors once it has been stabilized for Adams methods
>  - perhaps add a Radau integrator
>  - replace the reset() method in step handler interface by init()
>    (it's a simple rename), and add a similar init() in the events
>    interface
>  - fix the mapping between boundary representation/BSP representation
>    in 2D/3D
> could other people add to this list the features they want to have in 3.0 ?
> Luc
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