def testCommonAndNumPyMetricsTwoDimension(self): a = [1.2, 3.4] b = [5.4, -7.1] npa = numpy.array(a) npb = numpy.array(b) assertion.eq(metric.euclidean_distance(a, b), metric.euclidean_distance_numpy(npa, npb)) assertion.eq(metric.euclidean_distance_square(a, b), metric.euclidean_distance_square_numpy(npa, npb)) assertion.eq(metric.manhattan_distance(a, b), metric.manhattan_distance_numpy(npa, npb)) assertion.eq(metric.chebyshev_distance(a, b), metric.chebyshev_distance_numpy(npa, npb)) assertion.eq(metric.minkowski_distance(a, b, 2), metric.minkowski_distance_numpy(npa, npb, 2)) assertion.eq(metric.minkowski_distance(a, b, 4), metric.minkowski_distance_numpy(npa, npb, 4)) assertion.eq(metric.canberra_distance(a, b), metric.canberra_distance_numpy(npa, npb)) assertion.eq(metric.chi_square_distance(a, b), metric.chi_square_distance_numpy(npa, npb)) assertion.eq(metric.chi_square_distance(a, b), metric.chi_square_distance_numpy(npa, npb)) gower = metric.distance_metric(metric.type_metric.GOWER, data=[a, b], numpy_usage=False) gower_numpy = metric.distance_metric(metric.type_metric.GOWER, data=[a, b], numpy_usage=True) assertion.eq(gower(a, b), gower_numpy(npa, npb))
def testEuclideanDistance(self): assertion.eq(0.0, metric.euclidean_distance([0], [0])) assertion.eq( 0.0, metric.euclidean_distance_numpy(numpy.array([0]), numpy.array([0]))) assertion.eq(1.0, metric.euclidean_distance([0.0, 1.0], [0.0, 0.0])) assertion.eq( 1.0, metric.euclidean_distance_numpy(numpy.array([0.0, 1.0]), numpy.array([0.0, 0.0]))) assertion.eq(2.0, metric.euclidean_distance([3.0, 3.0], [5.0, 3.0])) assertion.eq( 2.0, metric.euclidean_distance_numpy(numpy.array([3.0, 3.0]), numpy.array([5.0, 3.0]))) assertion.eq(2.0, metric.euclidean_distance([-3.0, -3.0], [-5.0, -3.0])) assertion.eq( 2.0, metric.euclidean_distance_numpy(numpy.array([-3.0, -3.0]), numpy.array([-5.0, -3.0])))
def my_func2(L1, L2): eucl = euclidean_distance(L1, L2) #return (1/(eucl+1)) return (-eucl)
def compute_distance(self, x, y) -> float: return euclidean_distance(x, y)
def testEuclideanDistance(self): assertion.eq(0.0, metric.euclidean_distance([0], [0])) assertion.eq(1.0, metric.euclidean_distance([0.0, 1.0], [0.0, 0.0])) assertion.eq(2.0, metric.euclidean_distance([3.0, 3.0], [5.0, 3.0])) assertion.eq(2.0, metric.euclidean_distance([-3.0, -3.0], [-5.0, -3.0]))
def testEuclideanDistance(self): assertion.eq(0.0, metric.euclidean_distance([0], [0])); assertion.eq(1.0, metric.euclidean_distance([0.0, 1.0], [0.0, 0.0])); assertion.eq(2.0, metric.euclidean_distance([3.0, 3.0], [5.0, 3.0])); assertion.eq(2.0, metric.euclidean_distance([-3.0, -3.0], [-5.0, -3.0]));