def test_huge_cross():
 x = rng.rand(100000, 3)
 y = rng.rand(1, 3)
 z = np.cross(x, y)
 zz = fast_cross_3d(x, y)
 assert_array_equal(z, zz)

def test_huge_cross ( ) : x = rng . rand ( 100000 , 3 ) y = rng . rand ( 1 , 3 ) z = np . cross ( x , y ) zz = fast_cross_3d ( x , y ) assert_array_equal ( z , zz )
test cross product with lots of elements .