def test_forward1(self):
x0 = np.array([1, 2, 3])
x1 = Variable(np.array([1, 2, 3]))
y = x0 + x1
res = y.data
expected = np.array([2, 4, 6])
self.assertTrue(array_equal(res, expected))
def test_forward1(self):
n, c, h, w = 1, 1, 3, 3
x = np.arange(n * c * h * w).reshape((n, c, h, w))
y = F.im2col(x, 3, 3, 0, to_matrix=True)
expected = np.array([[0, 1, 2, 3, 4, 5, 6, 7, 8]])
res = array_equal(y.data, expected)
self.assertTrue(res)
def test_forward3(self):
n, c, h, w = 1, 5, 20, 15
o, k, s, p = 3, (5, 3), 1, 3
x = np.random.randn(n, c, h, w).astype('f')
W = np.random.randn(o, c, k[0], k[1]).astype('f')
b = None
y = F.conv2d(x, W, b, s, p)
expected = CF.convolution_2d(x, W, b, s, p)
self.assertTrue(array_equal(expected.data, y.data))
def test_forward1(self):
n, c, h, w = 1, 5, 15, 15
o, k, s, p = 8, (3, 3), (1, 1), (1, 1)
x = np.random.randn(n, c, h, w).astype('f')
W = np.random.randn(o, c, k[0], k[1]).astype('f')
b = None
y = F.conv2d_simple(x, W, b, s, p)
expected = CF.convolution_2d(x, W, b, s, p)
self.assertTrue(array_equal(expected.data, y.data))
def test_forward1(self):
x = np.random.randn(100, 100)
y = F.dropout(Variable(x), dropout_ratio=0.0)
res = array_equal(y.data, x)
self.assertTrue(res)
def test_forward2(self):
x = np.random.randn(100, 100)
with dezero.test_mode():
y = F.dropout(x)
res = array_equal(y.data, x)
self.assertTrue(res)
def test_div(self):
self.assertTrue(
array_equal(
Variable(np.array(12)) / Variable(np.array(3)),
Variable(np.array(4))))
def test_rsub(self):
self.assertTrue(
array_equal(
np.array(4) - Variable(np.array(3)), Variable(np.array(1))))
def test_neg(self):
self.assertTrue(
array_equal(-Variable(np.array(1)), Variable(np.array(-1))))
def test_add(self):
self.assertTrue(
array_equal(
Variable(np.array(3)) + Variable(np.array(4)),
Variable(np.array(7))))
def test_mul_variable_num(self):
a = Variable(np.array(3))
b = 4
expect = Variable(np.array(12))
self.assertTrue(array_equal(a * b, expect))
def test_mul_num_variable(self):
a = 3
b = Variable(np.array(4))
expect = Variable(np.array(12))
self.assertTrue(array_equal(a * b, expect))
def test_pow(self):
self.assertTrue(
array_equal(Variable(np.array(3))**2, Variable(np.array(9))))
