def testGcd(self):
m = sympy.Matrix([[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12],
[13, 14, 15, 16]])
gcd = matrix.calculateGcd(m)
exp = 1
self.assertEqual(exp, gcd)
def testGcd2(self):
m = sympy.Matrix([[2, 6, 12, 26]])
m2 = matrix.appendIdentity(m)
gcd = matrix.calculateGcd(m2)
exp = 2
self.assertEqual(exp, gcd)
