def testG0(self):
"basic equalities"
f1 = F(1)
f2 = F(2)
f3 = F(3)
f7 = F(7)
g1 = G(1)
g2 = G(2)
g3 = G(3)
g7 = G(7)
self.assertEqual(str(f1), str(g1))
self.assertEqual(str(f1/f3), str(g1/g3))
self.assertEqual(str(f2/f3), str(g2/g3))
self.assertEqual(F.mul(f2, f3, round='down'), G.mul(g2, g3, round='down'))
self.assertEqual(F.mul(f2, f3, round='up'), G.mul(g2, g3, round='up'))
self.assertEqual(F.div(f2, f3, round='down'), G.div(g2, g3, round='down'))
self.assertEqual(F.div(f2, f3, round='up'), G.div(g2, g3, round='up'))
self.assertEqual(F.muldiv(f2, f3, f7, round='down'), G.muldiv(g2, g3, g7, round='down'))
self.assertEqual(F.muldiv(f2, f3, f7, round='up'), G.muldiv(g2, g3, g7, round='up'))
def testRoundUpExact(self):
"up is bigger by an epsilon but not if exact result"
self.assertEqual(F.div(F(2), F(4), round='up')._value, 500)
def testRoundDownExact(self):
"no rounding if exact result"
self.assertEqual(F.div(F(2), F(4), round='down')._value, 500)
def testRoundUp(self):
"up is bigger by an epsilon"
self.assertEqual(F.div(F(1), F(3), round='up')._value, 334)
def testRoundDown(self):
"down is same as default"
self.assertEqual(F.div(F(1), F(3), round='down')._value, 333)
