Re: [math] Exposing the Lanczos approximation in o.a.c.m3.special.Gamma?

2012-05-08 Thread Sébastien Brisard
Hi, the patch for the proposed modification has been attached to the MATH-753 ticket. Thanks for your comments! Best regards, Sébastien - To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail:

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2012-05-08 Thread Gump
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Re: [math] Exposing the Lanczos approximation in o.a.c.m3.special.Gamma?

2012-05-08 Thread Sébastien Brisard
Hi Gilles, 2012/5/8 Gilles Sadowski : >> > I've spent quite some time on MATH-753 [1], and I think I now have a >> > satisfactory solution. >> > The problem was to overcome the overflows which arise when computing >> > the density of the Gamma distribution for large values of the argument >> > and

Re: [math] Exposing the Lanczos approximation in o.a.c.m3.special.Gamma?

2012-05-08 Thread Sébastien Brisard
Hi Thomas, 2012/5/8 Thomas Neidhart : > On 05/08/2012 05:26 PM, Sébastien Brisard wrote: >> Hi, >> I've spent quite some time on MATH-753 [1], and I think I now have a >> satisfactory solution. >> The problem was to overcome the overflows which arise when computing >> the density of the Gamma dist

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2012-05-08 Thread commons-graph development
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Re: [math] Exposing the Lanczos approximation in o.a.c.m3.special.Gamma?

2012-05-08 Thread Gilles Sadowski
> > I've spent quite some time on MATH-753 [1], and I think I now have a > > satisfactory solution. > > The problem was to overcome the overflows which arise when computing > > the density of the Gamma distribution for large values of the argument > > and/or the scale parameter. > > > > As I initi

Re: [Math] Serializable (again)

2012-05-08 Thread Gilles Sadowski
On Tue, May 08, 2012 at 02:55:47PM -0400, James Carman wrote: > I don't know that you want to get into supporting long-term > serialization support. I would say CM should support transient > serialization (if that makes any sense), such as > marshalling/unmarshalling. If you guarantee long-term s

Re: [Math] Serializable (again)

2012-05-08 Thread Gilles Sadowski
On Tue, May 08, 2012 at 08:43:53PM +0200, Thomas Neidhart wrote: > On 05/08/2012 01:44 PM, Gilles Sadowski wrote: > > > Sorry to correct you: It was removed because it was not implemented > > properly. As a matter of principle, it is better to not support something > > rather to give a false sense

Re: [math] Exposing the Lanczos approximation in o.a.c.m3.special.Gamma?

2012-05-08 Thread Thomas Neidhart
On 05/08/2012 05:26 PM, Sébastien Brisard wrote: > Hi, > I've spent quite some time on MATH-753 [1], and I think I now have a > satisfactory solution. > The problem was to overcome the overflows which arise when computing > the density of the Gamma distribution for large values of the argument > an

Re: [Math] Serializable (again)

2012-05-08 Thread James Carman
I don't know that you want to get into supporting long-term serialization support. I would say CM should support transient serialization (if that makes any sense), such as marshalling/unmarshalling. If you guarantee long-term serialization support (reading data from serialized for much later, per

Re: [Math] Serializable (again)

2012-05-08 Thread Thomas Neidhart
On 05/08/2012 01:44 PM, Gilles Sadowski wrote: > Sorry to correct you: It was removed because it was not implemented > properly. As a matter of principle, it is better to not support something > rather to give a false sense of what can be done with the code. I do not want to start a heated discus

[math] Exposing the Lanczos approximation in o.a.c.m3.special.Gamma?

2012-05-08 Thread Sébastien Brisard
Hi, I've spent quite some time on MATH-753 [1], and I think I now have a satisfactory solution. The problem was to overcome the overflows which arise when computing the density of the Gamma distribution for large values of the argument and/or the scale parameter. As I initially feared, what was pr

Re: [Math] Serializable (again)

2012-05-08 Thread Gilles Sadowski
On Tue, May 08, 2012 at 01:22:38PM +0200, Sébastien Brisard wrote: > Hello, > > 2012/5/8 Thomas Neidhart : > > On Tue, May 8, 2012 at 12:24 PM, Gilles Sadowski < > > gil...@harfang.homelinux.org> wrote: > > > >> > I am in favor of this second option: add Serializable were needed upon > >> > > requ

Re: [Math] Serializable (again)

2012-05-08 Thread Gilles Sadowski
On Tue, May 08, 2012 at 12:51:28PM +0200, Thomas Neidhart wrote: > On Tue, May 8, 2012 at 12:24 PM, Gilles Sadowski < > gil...@harfang.homelinux.org> wrote: > > > > I am in favor of this second option: add Serializable were needed upon > > > > request. > > > > > > +1 > > > > +1 > > > > > > In t

Re: [Math] Serializable (again)

2012-05-08 Thread Sébastien Brisard
Hello, 2012/5/8 Thomas Neidhart : > On Tue, May 8, 2012 at 12:24 PM, Gilles Sadowski < > gil...@harfang.homelinux.org> wrote: > >> > I am in favor of this second option: add Serializable were needed upon >> > > request. >> > >> > +1 >> > > +1 > > >> > > In this case, the request seems fair as the

Re: [Math] Serializable (again)

2012-05-08 Thread Thomas Neidhart
On Tue, May 8, 2012 at 12:24 PM, Gilles Sadowski < gil...@harfang.homelinux.org> wrote: > > I am in favor of this second option: add Serializable were needed upon > > > request. > > > > +1 > +1 > > > In this case, the request seems fair as the class is mainly a > > > simple container for two va

Re: [Math] Serializable (again)

2012-05-08 Thread Gilles Sadowski
Hello. > >> > >> There is another complaint about some class not being "Serializable": > >>   https://issues.apache.org/jira/browse/MATH-787 > >> > >> I don't want to argue all over again. > >> > >> We should probably add a section in the user guide stating the policy with > >> regards to this iss

Re: [Math] Serializable (again)

2012-05-08 Thread sebb
On 8 May 2012 10:26, Luc Maisonobe wrote: > Le 07/05/2012 22:16, Gilles Sadowski a écrit : >> Hi. > > Hi Gilles, > >> >> There is another complaint about some class not being "Serializable": >>   https://issues.apache.org/jira/browse/MATH-787 >> >> I don't want to argue all over again. >> >> We sh

Re: [Math] Serializable (again)

2012-05-08 Thread Luc Maisonobe
Le 07/05/2012 22:16, Gilles Sadowski a écrit : > Hi. Hi Gilles, > > There is another complaint about some class not being "Serializable": > https://issues.apache.org/jira/browse/MATH-787 > > I don't want to argue all over again. > > We should probably add a section in the user guide stating

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2012-05-08 Thread Gump
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