Implement the '_gamma_select' function in the prts/interfaces/time_series_metrics.py

[nocotan]

Summary

Implement the common function _gamma_select as follows:

    def _gamma_select(self, gamma, overlap):
        if gamma == "one":
            return 1.0
        elif gamma == "reciprocal":
            if overlap > 1:
                return 1.0 / overlap
            else:
                return 1.0
        elif gamma == "udf_gamma":
            if overlap > 1:
                return 1.0 / self._udf_gamma(overlap)
            else:
                return 1.0

Goal

Make it possible to select the gamma value according to the parameters.

Todo

• [ ] Implement the function: InterfaceTimeSeriesMetrics._gamma_select()
• [ ] Check if the unit tests are passed

Deadline

yyyy / mm / dd

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