NaN, with a
warning, if delta1 + delta2 - p/2 <= 0 When \(\delta_1 + \delta_2 - \frac{p}{2} \leq 0\),
the Rényi divergence (and, therefore, the Bhattacharyya or Hellinger
divergence) cannot be computed using the expression implemented in
diststudent.NEWS.md file to track changes to the
package.