e4b11f67c1c74888a6728b82d16d0a0be3eca1d9,scipy/spatial/spherical_voronoi.py,,calc_circumcenters,#Any#,22

Before Change

    sums = np.sum(tetrahedrons ** 2, axis=2)
    d = np.concatenate((sums[:, :, np.newaxis], a), axis=2)

    dx = np.linalg.det(np.delete(d, 1, axis=2))
    dy = -np.linalg.det(np.delete(d, 2, axis=2))
    dz = np.linalg.det(np.delete(d, 3, axis=2))

    nominator = np.vstack((dx, dy, dz))

After Change

        dz = np.linalg.det(dz)
    except np.linalg.LinAlgError:
        dx = np.array([determinant_fallback(m) for m in dx])
        dy = -np.array([determinant_fallback(m) for m in dy])
        dz = np.array([determinant_fallback(m) for m in dz])

    nominator = np.vstack((dx, dy, dz))
    denominator = np.matlib.repmat(2 * np.linalg.det(a), 3, 1)

Instances