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https://issues.apache.org/jira/browse/MATH-1069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gilles updated MATH-1069:
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Fix Version/s: 4.0
> Make RealLinearOperator an interface
> ------------------------------------
>
> Key: MATH-1069
> URL: https://issues.apache.org/jira/browse/MATH-1069
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: 3.3, 4.0
> Reporter: Konstantin Berlin
> Priority: Minor
> Fix For: 4.0
>
>
> The conjugate gradient package requires only a very limited set of methods to
> function. In many instances it might not be as convenient to extend an
> abstract class, rather than just to add an interface to already existing
> classes.
> From a style point of view, there is no code that all possible
> implementations of RealLinearOperator would share or even benefit from, so
> there is no need for an abstract class.
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