MATH-312, 314, 316 and 317 were the first round.
Some of the necessary changes included:
- sparse iterators for sparse vectors
- view semantics for sub-matrix and sub-vectors
- additional sparse vector types for specialized applications
- introduction of an unbounded sparse matrix/vector that sim
On 09.12.2009 20:58, Jake Mannix wrote:
The commons-math linear APIs have been described as effectively locked
until 3.0, due to back-compat requirements.
Can you give a short summary of the API changes which are necessary
to incorporate and use the functionality you need? Some functionality
I'
Jake Mannix wrote:
> On Wed, Dec 9, 2009 at 11:09 AM, Benson Margulies
> wrote:
>
>> This is interesting. We have a raft of mathematically qualified
>> committers on Mahout, and this message asking for help on
>> commons-math, and a raft of code marooned at mahout that wants to be
>> in commons m
Luc Maisonobe wrote:
> Jake Mannix a écrit :
>> On Wed, Dec 9, 2009 at 11:09 AM, Benson Margulies
>> wrote:
>>
>>> This is interesting. We have a raft of mathematically qualified
>>> committers on Mahout, and this message asking for help on
>>> commons-math, and a raft of code marooned at mahout t
Btw, useful link that shows you the patches (or at least attachments)
you currently have on open tickets:
https://issues.apache.org/jira/secure/ConfigureReport.jspa?versionId=-1&issueStatus=open&selectedProjectId=12310485&reportKey=com.sourcelabs.jira.plugin.report.contributions%3Acontributionrepo
Ted Dunning wrote:
> Similarly, https://issues.apache.org/jira/browse/MATH-310 had code from a
> contributor and got totally shot down basically with "We don't care what you
> think, we don't want it". Extensive attempts on my part to find common
> ground just got shot down by Phil with -1 and ess
On Wed, Dec 9, 2009 at 1:17 PM, Benson Margulies wrote:
>
> CERN Colt is a library with a mixture of 'category A' material and
> 'category B-or-worse' material. In other words, it is not an
> attractive dependency for ASF code as a lump.
>
Yep, that's why when I made my original patch of Colt for
On Wed, Dec 9, 2009 at 12:46 PM, Luc Maisonobe wrote:
> >
> > I have submitted patches for the following tickets: MATH-312 (and
> acceptance
> > of that patch blocks my patch for MATH-314), MATH-316 and MATH-317, none
> > of which have appear to have had much progress on. All of my patches
> come
I can see how everyone ends up with a headache here.
As the person who threw the most recent rock into the lake, let me
re-present the situation as I got into it.
CERN Colt is a library with a mixture of 'category A' material and
'category B-or-worse' material. In other words, it is not an
attrac
Jake Mannix a écrit :
> On Wed, Dec 9, 2009 at 11:09 AM, Benson Margulies
> wrote:
>
>> This is interesting. We have a raft of mathematically qualified
>> committers on Mahout, and this message asking for help on
>> commons-math, and a raft of code marooned at mahout that wants to be
>> in common
I don't want to denigrate the large contributions of Phil and Luc
(especially Luc), but I have drawn a stronger conclusion that it isn't worth
my time to contribute to commons-math because interesting changes likely
won't get accepted.
On Wed, Dec 9, 2009 at 11:58 AM, Jake Mannix wrote:
> Ted an
Similarly, https://issues.apache.org/jira/browse/MATH-310 had code from a
contributor and got totally shot down basically with "We don't care what you
think, we don't want it". Extensive attempts on my part to find common
ground just got shot down by Phil with -1 and essentially no more discussion
On Wed, Dec 9, 2009 at 11:09 AM, Benson Margulies wrote:
> This is interesting. We have a raft of mathematically qualified
> committers on Mahout, and this message asking for help on
> commons-math, and a raft of code marooned at mahout that wants to be
> in commons math. If I were one of those ma
This is interesting. We have a raft of mathematically qualified
committers on Mahout, and this message asking for help on
commons-math, and a raft of code marooned at mahout that wants to be
in commons math. If I were one of those mathematically competant
individuals, I'd be off attaching a patch o
Ted Dunning a écrit :
> Actually, the reason that we have Colt in Mahout is it has proven impossible
> to get changes into commons math. We really, really wanted to use commons
> math rather than have our own linear algebra package, but it just proved
> impossible and we didn't want to wait foreve
Actually, the reason that we have Colt in Mahout is it has proven impossible
to get changes into commons math. We really, really wanted to use commons
math rather than have our own linear algebra package, but it just proved
impossible and we didn't want to wait forever.
If that problem were solve
We can't possibly have a dependency on Mahout in the long term. Either
we all go shares on code in some other piece of commons, or we end up
with two forks, which would be sad.
On Tue, Dec 8, 2009 at 8:33 AM, James Carman wrote:
> I wouldn't like to see a dependency on mahout code in a "commons"
I wouldn't like to see a dependency on mahout code in a "commons"
library. That seems kind of backwards. If Mahout wants to offload
this stuff, we can move it into a library in commons (which is
typically how stuff used to happen in Jakarta).
On Tue, Dec 8, 2009 at 8:18 AM, Benson Margulies wro
Mahout now has a fork of a portion of the 'category A' portion of the
CERN colt library forked. The Mahout fork is, of course, in the Mahout
tree under a Mahout Java package and Maven triple.
I want to use the collections classes from Mahout as the core to a new
set of commons-primitives classes t
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