def test_from_aa(self):
# Axis should come out of rotation normalized
angle = 0.8
axis = [-3, 2, 1]
axis_norm = array_normalize(axis)
r = RotationD(angle, axis)
nose.tools.assert_equal(angle, r.angle())
numpy.testing.assert_equal(axis_norm, r.axis())
def test_to_axis_angle(self):
# expected identity: [0,0,1] and 0
ident_axis = [0, 0, 1]
ident_angle = 0
rot_d = RotationD()
rot_f = RotationF()
numpy.testing.assert_equal(rot_d.axis(), ident_axis)
nose.tools.assert_equal(rot_d.angle(), ident_angle)
numpy.testing.assert_equal(rot_f.axis(), ident_axis)
nose.tools.assert_equal(rot_f.angle(), ident_angle)