def test_neural_learn_b(self):
test_neural = Neural()
test_neural.set_w1(2)
test_neural.set_w2(3)
test_neural.set_w3(4)
test_neural.set_w4(5)
test_neural.set_b(10)
test_neural.set_i1(2)
test_neural.set_i2(3)
test_neural.set_i3(4)
test_neural.set_i4(5)
test_neural.set_target(100)
result = 10.00072
self.assertEqual(test_neural.learn_b(), result)
def test_neural_cal_cost(self):
test_neural = Neural()
test_neural.set_w1(2)
test_neural.set_w2(3)
test_neural.set_w3(4)
test_neural.set_w4(5)
test_neural.set_b(10)
test_neural.set_i1(2)
test_neural.set_i2(3)
test_neural.set_i3(4)
test_neural.set_i4(5)
test_neural.set_target(100)
result = 1296
self.assertEqual(test_neural.cal_cost(), result)
def test_neural_dcost_db(self):
test_neural = Neural()
test_neural.set_w1(2)
test_neural.set_w2(3)
test_neural.set_w3(4)
test_neural.set_w4(5)
test_neural.set_b(10)
test_neural.set_i1(2)
test_neural.set_i2(3)
test_neural.set_i3(4)
test_neural.set_i4(5)
test_neural.set_target(100)
result = -72
self.assertEqual(test_neural.dcost_db(), result)