def bhattacharyya(points,data):
    raise NotImplementedError()
    # all values in the historgams must be positive
    assert points.min() >= 0.0
    assert data.min() >= 0.0
Compute bhattacharyya distance for histograms.
dataset/ETHPy150Open bolme/pyvision/src/pyvision/ml/knn.py/bhattacharyya