def test_scalar_prod_returns_expected_value(self):
a = VMD(1.0,2.0,1.0)
b = VMD(1.0,-2.0,-1.0)
sp = a.scalar_prod(b)
self.assertAlmostEquals(sp,-4.0)
def test_scalar_prod_returns_expected_value(self):
a = VMD(1.0, 2.0, 1.0)
b = VMD(1.0, -2.0, -1.0)
sp = a.scalar_prod(b)
self.assertAlmostEquals(sp, -4.0)
