def cross_products(self, vector_i, vector_j):
cross_products = []
for axis_i, axis_j in itertools.product(vector_i, vector_j):
if axis_i is not axis_j:
axis_cross = cross_product(axis_i, axis_j)
if rho(axis_cross) > self.error:
axis_cross = normalize(axis_cross)
cross_products.append(axis_cross)
return cross_products
def check_array(self, axis, axis_of_rotations_i):
for axis_i in axis_of_rotations_i:
if rho(cross_product(axis, axis_i)) <= self.error:
return False
return True
