def angles(self):
""":class:`~numpy:numpy.ndarray` of `Bond` pair angles."""
return np.asarray([
vec.angle(b1.vector, b2.vector) for (b1, b2) in cyclic_pairs(self)
])
def bond_angle_pairs(self):
"""`cyclic_pairs` of `Bond`\ s."""
return cyclic_pairs(self.data)
def bond_angle_pairs(self):
"""`cyclic_pairs` of `Bond`\ s."""
return cyclic_pairs(self.data)
def angles(self):
""":class:`~numpy:numpy.ndarray` of `Bond` pair angles."""
return np.asarray([vec.angle(b1.vector, b2.vector) for (b1, b2) in
cyclic_pairs(self)])
def test1():
lst = ['a', 'b', 'c']
assert_equal(cyclic_pairs(lst), [('a', 'b'), ('b', 'c'), ('c', 'a')])
