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https://issues.apache.org/jira/browse/MATH-562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13025766#comment-13025766
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Gilles commented on MATH-562:
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I've removed the "offset" parameter.
Shall I commit the code? You can then maybe figure out a unit test that shows
the possible problems.
> "UnivariateRealPeriodicInterpolator"
> ------------------------------------
>
> Key: MATH-562
> URL: https://issues.apache.org/jira/browse/MATH-562
> Project: Commons Math
> Issue Type: New Feature
> Reporter: Gilles
> Assignee: Gilles
> Priority: Minor
> Fix For: 3.0
>
>
> It would be an interpolator implementation that assumes that the data to be
> interpolated is periodic. Thus values that are outside of the range can be
> passed to the interpolation function:
> They will be wrapped into the initial range before being passed to the class
> that actually computes the interpolation.
> The constructor prototype would be:
> {code}
> /**
> * Builds an interpolator.
> *
> * @param interpolator Interpolator.
> * @param period Period.
> * @param offset Offset.
> * @param extend Number of points to be appended at the beginning and
> * end of the sample arrays in order to avoid interpolation failure at
> * the (periodic) boundaries of the orginal interval. The value is the
> * number of sample points which the original {@code interpolator} needs
> * on each side of the interpolation point.
> */
> public UnivariateRealPeriodicInterpolator(UnivariateRealInterpolator
> interpolator,
> double period,
> double offset,
> int extend) {
> // ...
> }
> {code}
> Would it be useful to have that in CM?
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