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From Phil Steitz <phil.ste...@gmail.com>
Subject Re: [Math] Supported Java versions
Date Fri, 20 Jun 2014 21:52:22 GMT
On 6/20/14, 9:56 AM, Thomas Neidhart wrote:
> On 06/20/2014 05:30 PM, Gilles wrote:
>> On Fri, 20 Jun 2014 16:57:41 +0200, Thomas Neidhart wrote:
>>> On 20 Jun 2014 16:37, "Gilles" <gilles@harfang.homelinux.org> wrote:
>>>> On Fri, 20 Jun 2014 16:18:08 +0200, Thomas Neidhart wrote:
>>>>> Java 5 is already eol. Anybody still using it is certainly in
>>>>> maintenance
>>>>> mode thus adding now a feature that is available in java 6 does not
>>>>> make
>>>>> any sense.
>>>>
>>>> This a strong statement in a forum where it has _always_ been
>>>> indicated that no post-Java-5 feature could be used.
>>> These two are completely different things.
>>>
>>> Not using more recent java features was done in order to still support
>>> users that are stuck with java 5 but want/have to use commons.
>>>
>>> Duplicating java 6 features in 2014 is pointless. What is the expected
>>> userbase of this feature?
>> Commons Math itself. And this was the real purpose of duplicating Java 6:
>> no user ever asked for those methods in MathArrays. They were implemented
>> for the sole reason that CM could not contain calls to methods not yet
>> available in Java 5. [See the "pom.xml" of Commons Math.]
>>
>>> New users will certainly have adopted more recent
>>> versions of java and anybody still using java 5 and having a need for
>>> this
>>> will hopefully have implemented it already in his own codebase.
>> This is completely unrelated to the issue.
> Looking at the original JIRA issue (MATH-1130) it was not clear that
> this is actually related to MATH-1120 and sounded like a user request to
> support this functionality.
>
> As this functionality is used by Commons Math itself the inclusion is of
> course ok.
>
> Regarding the supported versions:
>
>  * for the 3.x branch I would stick with java 5
>  * for the new 4.x branch I would at least switch to java 7

+1
Phil
>
> Thomas
>
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