Source Code for Module geometry.manifolds.tests.sphere_tests

 1  from . import np 
 2  from geometry.manifolds import S1 
 3  from geometry.utils import assert_allclose 
 4  from geometry.formatting import printm 
 5   
 6   
 7 -def test_wrap_around(): 
 8      a = np.array([+1, 0]) 
 9      b = np.array([-1, 0]) 
10   
11      bv = S1.logmap(a, b) 
12      b2 = S1.expmap(bv) 
13      d = S1.distance(b, b2) 
14   
15      printm('a', a, 'b', b, 'vel', bv[1], 'd', np.array(d)) 
16      assert_allclose(d, 0, atol=1e-7) 
17