"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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