def test_linked_double_linked3():
'''
Linked to a linked variable, first with indices, second without indices
'''
G1 = NeuronGroup(5, 'x : 1')
G2 = NeuronGroup(10, 'y : 1 (linked)')
G2.y = linked_var(G1.x, index=np.arange(5).repeat(2))
G3 = NeuronGroup(10, 'z: 1 (linked)')
G3.z = linked_var(G2.y)
G1.x = np.arange(5)*0.1
assert_equal(G3.z[:], np.arange(5).repeat(2)*0.1)
def test_linked_double_linked4():
'''
Linked to a linked variable, both use indices
'''
G1 = NeuronGroup(5, 'x : 1')
G2 = NeuronGroup(10, 'y : 1 (linked)')
G2.y = linked_var(G1.x, index=np.arange(5).repeat(2))
G3 = NeuronGroup(10, 'z: 1 (linked)')
G3.z = linked_var(G2.y, index=np.arange(10)[::-1])
G1.x = np.arange(5)*0.1
assert_equal(G3.z[:], np.arange(5).repeat(2)[::-1]*0.1)
def test_linked_double_linked1():
'''
Linked to a linked variable, without indices
'''
G1 = NeuronGroup(10, 'x : 1')
G2 = NeuronGroup(10, 'y : 1 (linked)')
G2.y = linked_var(G1.x)
G3 = NeuronGroup(10, 'z: 1 (linked)')
G3.z = linked_var(G2.y)
G1.x = np.arange(10)
assert_equal(G3.z[:], np.arange(10))
