def testNoInts(self):
with self.cached_session():
with self.assertRaisesRegexp(
TypeError,
"'features' has DataType int32 not in list of allowed values"
):
nn_ops.softsign(constant_op.constant(7)).eval()
def _testSoftsign(self, np_features, use_gpu=False):
np_softsign = self._npSoftsign(np_features)
with self.cached_session(use_gpu=use_gpu):
softsign = nn_ops.softsign(np_features)
tf_softsign = self.evaluate(softsign)
self.assertAllClose(np_softsign, tf_softsign)
self.assertShapeEqual(np_softsign, softsign)
def _testSoftsign(self, np_features, use_gpu=False):
np_softsign = self._npSoftsign(np_features)
with self.cached_session(use_gpu=use_gpu):
softsign = nn_ops.softsign(np_features)
tf_softsign = self.evaluate(softsign)
self.assertAllClose(np_softsign, tf_softsign)
self.assertShapeEqual(np_softsign, softsign)
def testGradient(self):
with self.test_session():
x = constant_op.constant([-0.9, -0.7, -0.5, -0.3, -0.1, 0.1, 0.3, 0.5, 0.7, 0.9], shape=[2, 5], name="x")
y = nn_ops.softsign(x, name="softsign")
x_init = np.asarray(
[[-0.9, -0.7, -0.5, -0.3, -0.1], [0.1, 0.3, 0.5, 0.7, 0.9]], dtype=np.float32, order="F"
)
err = gradient_checker.compute_gradient_error(x, [2, 5], y, [2, 5], x_init_value=x_init)
print("softsign (float) gradient err = ", err)
self.assertLess(err, 1e-4)
def testGradient(self):
with self.cached_session():
x = constant_op.constant(
[-0.9, -0.7, -0.5, -0.3, -0.1, 0.1, 0.3, 0.5, 0.7, 0.9],
shape=[2, 5],
name="x")
y = nn_ops.softsign(x, name="softsign")
x_init = np.asarray(
[[-0.9, -0.7, -0.5, -0.3, -0.1], [0.1, 0.3, 0.5, 0.7, 0.9]],
dtype=np.float32,
order="F")
err = gradient_checker.compute_gradient_error(
x, [2, 5], y, [2, 5], x_init_value=x_init)
print("softsign (float) gradient err = ", err)
self.assertLess(err, 1e-4)
def testNoInts(self):
with self.cached_session():
with self.assertRaisesRegexp(
TypeError,
"'features' has DataType int32 not in list of allowed values"):
nn_ops.softsign(constant_op.constant(7)).eval()
def testNoInts(self):
with self.cached_session():
with self.assertRaisesRegexp(
errors.InvalidArgumentError,
"No OpKernel was registered to support Op 'Softsign'"):
nn_ops.softsign(constant_op.constant(7)).eval()
def testWarnInts(self):
# NOTE(irving): Actually I don't know how to intercept the warning, but
# let's make sure it runs. I promised I've looked, and there was a warning.
with self.test_session():
nn_ops.softsign(constant_op.constant(7)).eval()
def testNoInts(self):
with self.test_session():
with self.assertRaisesRegexp(
errors.InvalidArgumentError,
"No OpKernel was registered to support Op 'Softsign'"):
nn_ops.softsign(constant_op.constant(7)).eval()
def testWarnInts(self):
# NOTE(irving): Actually I don't know how to intercept the warning, but
# let's make sure it runs. I promised I've looked, and there was a warning.
with self.test_session():
nn_ops.softsign(constant_op.constant(7)).eval()
