Re: [science-iwg] Eclipse Datasets for Science

[Tracy Miranda <tracy@xxxxxxxxxxxxxxxx>]

Hi all,

I hope you have been having a good time considering Eclipse Datasets
for Science.

I pushed a new branch
(https://github.com/jonahkichwacoders/org.eclipse.dataset/tree/apache_math3)
showing the upgrade to apache commons math3 library (assuming it gets
through ip review and into Orbit sometime soon).

On reviewing the differences (manually + using PDE API analysis) it
seems the only API effect is the
org.apache.commons.math{3}.complex.Complex dependency. Obviously
ComplexFloatDataset and ComplexDoubleDataset have lots of methods that
have Complex in their signature. Additionally, Maths, Stats,
AbstractDataset and a few other places rely on which Complex.

So, once org.apache.commons.math3 is approved, is there anyone who
needs IDataset to work with org.apache.commons.math.complex.Complex?

Jonah

On 9 September 2015 at 12:15, Jay Jay Billings <jayjaybillings@xxxxxxxxx> wrote:
> Great news! Looking forward to trying it.
>
> Jay
>
> On Sep 8, 2015 6:28 PM, "Tracy Miranda" <tracy@xxxxxxxxxxxxxxxx> wrote:
>>
>> Following on from our previous email[1] Jonah has now created a fork of
>> DAWNSci's datasets which is available here:
>> https://github.com/jonahkichwacoders/org.eclipse.dataset
>>
>> Details of how you can try it out for yourself are here:
>> https://github.com/jonahkichwacoders/org.eclipse.dataset.examples
>>
>> In particular this fork:
>> * Is a subset of dataset functionality
>> * Has a p2 site available to try out the code
>> * p2 site includes source bundles
>> * Depends only on current Orbit approved bundles
>> * Has no pre-compiled JARs
>> * Works with Eclipse 4
>> * Works as a standalone JAR
>> * Includes all relevant tests from Dawn
>> * Buildable with maven/tycho (e.g. run mvn verify and get an update site)
>> * using Travis CI as build machine
>>
>> Datasets features & functionality includes:
>>   * Various types: doubles, compound, complex, float, etc
>>   * Array creation
>>   * Universal functions e.g. sin, cos, exp
>>   * Linear algebra
>>   * Indexing & slicing
>>   * Regions of interest e.g. rectangular
>>
>> This fork is intended to be a springboard for SWG members to try out DAWN
>> datasets, and start to discuss how it applies to their projects. We will
>> maintain it in the short term.
>>
>>   When you next have an opportunity we hope all interested parties could
>>   1.Try it out
>>     - can you run the example?
>>     - can you integrate it with your codebase?
>>
>>   2. Get Involved in architecture discussions:
>>     - how does it fit within your framework?
>>     - what works well?
>>     - what's missing?
>>     - suggestions for improvements.
>>
>> Ultimately the goal is to have a standardised dataset API & implementation
>> shared by all.
>>
>> Regards,
>> Tracy
>>
>> [1] http://dev.eclipse.org/mhonarc/lists//science-iwg/msg01074.html
>>
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>
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