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From Phil Steitz <phil.ste...@gmail.com>
Subject Re: [math] Re: commons-math, matrix-toolkits-java and consolidation
Date Wed, 20 May 2009 18:05:37 GMT
Sam Halliday wrote:
> Bill, I strongly discourage adding these methods at this time. We will regret
> it.
>
> If you don't want to change (i.e. add new methods) to an interface, then the
> sensible thing is to omit these interfaces for 2.0 and introduce them with
> 2.1.
>   
+1.  Unless we are either a) agreed on contents of non-marker interfaces 
or b) willing to leave (until 3.0) markers empty, we should omit them.  
We cannot introduce incompatible changes in point releases.

Phil
>
> Bill Barker wrote:
>   
>> What I actually went for is to add getSparcity to the SparseRealVector 
>> interface (should be easy to calculate in one dimension, and mostly useful 
>> for DEBUG level logging, so stubbing it shouldn't be a problem if not),
>> and 
>> getShape for the SparseRealMatrix interface that returns an enum that 
>> currently only has the value of 'Any'.
>>
>> I really don't like the idea of changing the API between minor releases,
>> so 
>> put in place-holders for what seems to be the consensus for going forward.
>>
>>     
>
>   


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