def _delay(self, root):
if not isinstance(root, Node):
raise TypeError('invalid type: Node expected')
if not root:
return 0, root.electro_property.c
downstream_delays, downstream_caps = zip(*[self._delay(child) for child in root.neighbors()])
delay_cal = DelayCalculator(root, downstream_delays, downstream_caps, self.unit_rc, self.wire_rc_adjustment)
cap_cal = CapacitanceCalculator(root, downstream_caps, self.unit_rc, self.wire_rc_adjustment)
return delay_cal.calculate(), cap_cal.calculate()
def _delay(self, root):
if not isinstance(root, Node):
raise TypeError('invalid type: Node expected')
if not root:
return 0, root.electro_property.c
downstream_delays, downstream_caps = zip(
*[self._delay(child) for child in root.neighbors()])
delay_cal = DelayCalculator(root, downstream_delays, downstream_caps,
self.unit_rc, self.wire_rc_adjustment)
cap_cal = CapacitanceCalculator(root, downstream_caps, self.unit_rc,
self.wire_rc_adjustment)
return delay_cal.calculate(), cap_cal.calculate()
def test_delay_node(self):
calculator = DelayCalculator(self._root_node, [0, 0], [2, 3], self._unit_rc, RCAdjustment())
self.assertAlmostEqual(calculator.calculate(), 36)
def test_delay_gate(self):
calculator = DelayCalculator(self._root_gate, [0, 0], [2, 3], self._unit_rc, RCAdjustment())
self.assertEqual(calculator.calculate(), 4 * (4 + 5 + 2 + 3) + 5 * (5 / 2.0 + 3))