-interface with a "double density(double x)"-method on the AbstractContinuousDistribution
[ https://issues.apache.org/jira/browse/MATH-332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Phil Steitz updated MATH-332:
-----------------------------
Fix Version/s: 2.1
> Replacement of the HasDensity<P>-interface with a "double density(double x)"-method on the AbstractContinuousDistribution
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: MATH-332
> URL: https://issues.apache.org/jira/browse/MATH-332
> Project: Commons Math
> Issue Type: Improvement
> Reporter: Mikkel Meyer Andersen
> Fix For: 2.1
>
> Attachments: patch-all
>
> Original Estimate: 3h
> Remaining Estimate: 3h
>
> Removed the HasDensity<P>-interface and replaced it with a "public double density(double x)"-method on the AbstractContinuousDistribution-class (it throws an exception as default if the classes don't override the method).
> Implemented density-functions for the F-distribution, t-distribution, Weibull distribution, and Cauchy distribution (the only continuous ones without a density implemented).
> A side-effect is that ChiSquaredDistributionImpl now uses an internal GammaDistributionImpl instead of a GammaDistribution. This is the only "major" change.
> This improvement replaces https://issues.apache.org/jira/browse/MATH-330 (density implementation for the F-distribution) and https://issues.apache.org/jira/browse/MATH-331 (density implementation for the other three distributions).
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