def test_differentiate_compound_multiply(self):
self.assertEqual(
differentiate(multiply('x', multiply(3, 'y')), {
'x': 2,
'y': 1
}), 3)
self.assertEqual(
differentiate(multiply(3, multiply('x', multiply('x', 'x'))),
{'x': 2}), 36)
def test_evaluate_compound_multiply(self):
self.assertEqual(
evaluate(multiply('x', multiply(3, 'y')), {
'x': 2,
'y': 1
}), 6)
self.assertEqual(
evaluate(multiply(3, multiply('x', multiply('x', 'x'))), {'x': 2}),
24)
def test_differentiate_simple_multiply(self):
self.assertEqual(differentiate(multiply(3, 3), {}), 0)
self.assertEqual(differentiate(multiply(3, 'x'), {'x': 2, 'y': 5}), 3)
self.assertEqual(differentiate(multiply('x', 'y'), {
'x': 2,
'y': 5
}), 5)
self.assertEqual(differentiate(multiply('x', 'x'), {
'x': 2,
'y': 5
}), 4)
def test_multiply_var_diff(self):
x = multiply(3, 'x')
self.assertEqual(3, x.in1)
self.assertEqual('x', x.in2)
self.assertEqual(x.diff({'x': 2}), 3)
self.assertEqual(0, x.local_grad1)
self.assertEqual(1, x.local_grad2)
def test_multiply_var_evaluate(self):
x = multiply(3, 'x')
self.assertEqual(3, x.in1)
self.assertEqual('x', x.in2)
self.assertEqual(x.evaluate({'x': 2}), 6)
self.assertEqual(3, x.in1)
self.assertEqual(2, x.in2)
def test_multiply_const_diff(self):
x = multiply(3, 4)
self.assertEqual(3, x.in1)
self.assertEqual(4, x.in2)
self.assertEqual(x.diff({}), 0)
self.assertEqual(0, x.local_grad1)
self.assertEqual(0, x.local_grad2)
def test_multiply_const_evaluate(self):
x = multiply(3, 4)
self.assertIsInstance(x, multiply)
self.assertEqual(3, x.in1)
self.assertEqual(4, x.in2)
self.assertEqual(x.evaluate({}), 12)
self.assertEqual(3, x.in1)
self.assertEqual(4, x.in2)
def test_differentiate_compount_ops(self):
self.assertEqual(
differentiate(add(3, multiply('x', 'x')), {
'x': 2,
'y': 5
}), 4)
self.assertEqual(
differentiate(
add(3, add(multiply(2, 'x'),
multiply('x', multiply('x', 'x')))), {'x': 2}), 14)
self.assertEqual(
differentiate(
add(
3,
add(multiply(2, multiply('x', 'x')),
multiply(4, multiply('x', multiply('x', 'x'))))),
{'x': 2}), 56)
def test_evaluate_compound_ops(self):
self.assertEqual(
evaluate(add(3, multiply('x', 'x')), {
'x': 2,
'y': 5
}), 7)
self.assertEqual(
evaluate(
add(3, add(multiply(2, 'x'),
multiply('x', multiply('x', 'x')))), {'x': 2}), 15)
self.assertEqual(
evaluate(
add(
3,
add(multiply(2, multiply('x', 'x')),
multiply(4, multiply('x', multiply('x', 'x'))))),
{'x': 2}), 43)
def loss_func(self, feed_dict={}):
diff = ad.subtract(ad.Placeholder(feed_dict['predicted_y']),
ad.Placeholder(feed_dict['true_y']))
return ad.multiply(ad.power(diff, ad.Constant(2)), ad.Constant(1 / 2))
def test_evaluate_simple_multiply(self):
self.assertEqual(evaluate(multiply(3, 3), {}), 9)
self.assertEqual(evaluate(multiply(3, 'x'), {'x': 2, 'y': 5}), 6)
self.assertEqual(evaluate(multiply('x', 'y'), {'x': 2, 'y': 5}), 10)
self.assertEqual(evaluate(multiply('x', 'x'), {'x': 2, 'y': 5}), 4)
def test4(x):
return ad.multiply(ad.power(ad.Variable(x), ad.Constant(2)),
ad.Constant(1 / 2))
def test2(x, y, z):
return ad.multiply(ad.add(ad.Variable(x), ad.Variable(y)),
ad.maximum(ad.Variable(y), ad.Variable(z)))
def test(x, y, z, w):
return ad.multiply(
ad.add(ad.multiply(ad.Variable(x), ad.Variable(y)),
ad.maximum(ad.Variable(z), ad.Variable(w))), ad.Constant(2))
