Python tensorflow.python.ops.math_ops.round() Examples

The following are 9 code examples of tensorflow.python.ops.math_ops.round(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module tensorflow.python.ops.math_ops , or try the search function .
Example #1
Source File: evaluation_test.py    From tf-slim with Apache License 2.0 6 votes vote down vote up 
def testEvaluatePerfectModel(self):
    checkpoint_dir = tempfile.mkdtemp('evaluate_perfect_model_once')

    # Train a Model to completion:
    self._train_model(checkpoint_dir, num_steps=300)

    # Run
    inputs = constant_op.constant(self._inputs, dtype=dtypes.float32)
    labels = constant_op.constant(self._labels, dtype=dtypes.float32)
    logits = logistic_classifier(inputs)
    predictions = math_ops.round(logits)

    accuracy, update_op = metrics.accuracy(
        predictions=predictions, labels=labels)

    checkpoint_path = evaluation.wait_for_new_checkpoint(checkpoint_dir)

    final_ops_values = evaluation.evaluate_once(
        checkpoint_path=checkpoint_path,
        eval_ops=update_op,
        final_ops={'accuracy': accuracy},
        hooks=[
            evaluation.StopAfterNEvalsHook(1),
        ])
    self.assertGreater(final_ops_values['accuracy'], .99)
Example #2
Source File: evaluation_test.py    From tf-slim with Apache License 2.0 6 votes vote down vote up 
def testEvaluatePerfectModel(self):
    checkpoint_dir = tempfile.mkdtemp('evaluate_perfect_model_repeated')

    # Train a Model to completion:
    self._train_model(checkpoint_dir, num_steps=300)

    # Run
    inputs = constant_op.constant(self._inputs, dtype=dtypes.float32)
    labels = constant_op.constant(self._labels, dtype=dtypes.float32)
    logits = logistic_classifier(inputs)
    predictions = math_ops.round(logits)

    accuracy, update_op = metrics.accuracy(
        predictions=predictions, labels=labels)

    final_values = evaluation.evaluate_repeatedly(
        checkpoint_dir=checkpoint_dir,
        eval_ops=update_op,
        final_ops={'accuracy': accuracy},
        hooks=[
            evaluation.StopAfterNEvalsHook(1),
        ],
        max_number_of_evaluations=1)
    self.assertGreater(final_values['accuracy'], .99)
Example #3
Source File: backend.py    From lambda-packs with MIT License 5 votes vote down vote up 
def round(x):
  """Element-wise rounding to the closest integer.

  In case of tie, the rounding mode used is "half to even".

  Arguments:
      x: Tensor or variable.

  Returns:
      A tensor.
  """
  return math_ops.round(x)
Example #4
Source File: core_test.py    From auto-alt-text-lambda-api with MIT License 5 votes vote down vote up 
def setUp(self):
    super(CoreUnaryOpsTest, self).setUp()

    self.ops = [
        ('abs', operator.abs, math_ops.abs, core.abs_function),
        ('neg', operator.neg, math_ops.negative, core.neg),
        # TODO(shoyer): add unary + to core TensorFlow
        ('pos', None, None, None),
        ('sign', None, math_ops.sign, core.sign),
        ('reciprocal', None, math_ops.reciprocal, core.reciprocal),
        ('square', None, math_ops.square, core.square),
        ('round', None, math_ops.round, core.round_function),
        ('sqrt', None, math_ops.sqrt, core.sqrt),
        ('rsqrt', None, math_ops.rsqrt, core.rsqrt),
        ('log', None, math_ops.log, core.log),
        ('exp', None, math_ops.exp, core.exp),
        ('log', None, math_ops.log, core.log),
        ('ceil', None, math_ops.ceil, core.ceil),
        ('floor', None, math_ops.floor, core.floor),
        ('cos', None, math_ops.cos, core.cos),
        ('sin', None, math_ops.sin, core.sin),
        ('tan', None, math_ops.tan, core.tan),
        ('acos', None, math_ops.acos, core.acos),
        ('asin', None, math_ops.asin, core.asin),
        ('atan', None, math_ops.atan, core.atan),
        ('lgamma', None, math_ops.lgamma, core.lgamma),
        ('digamma', None, math_ops.digamma, core.digamma),
        ('erf', None, math_ops.erf, core.erf),
        ('erfc', None, math_ops.erfc, core.erfc),
        ('lgamma', None, math_ops.lgamma, core.lgamma),
    ]
    total_size = np.prod([v.size for v in self.original_lt.axes.values()])
    self.test_lt = core.LabeledTensor(
        math_ops.cast(self.original_lt, dtypes.float32) / total_size,
        self.original_lt.axes)
Example #5
Source File: evaluation_test.py    From tf-slim with Apache License 2.0 5 votes vote down vote up 
def testEvaluationLoopTimeoutWithTimeoutFn(self):
    checkpoint_dir = tempfile.mkdtemp('evaluation_loop_timeout_with_timeout_fn')

    # Train a Model to completion:
    self._train_model(checkpoint_dir, num_steps=300)

    # Run
    inputs = constant_op.constant(self._inputs, dtype=dtypes.float32)
    labels = constant_op.constant(self._labels, dtype=dtypes.float32)
    logits = logistic_classifier(inputs)
    predictions = math_ops.round(logits)

    accuracy, update_op = metrics.accuracy(
        predictions=predictions, labels=labels)

    timeout_fn_calls = [0]
    def timeout_fn():
      timeout_fn_calls[0] += 1
      return timeout_fn_calls[0] > 3

    final_values = evaluation.evaluate_repeatedly(
        checkpoint_dir=checkpoint_dir,
        eval_ops=update_op,
        final_ops={'accuracy': accuracy},
        hooks=[
            evaluation.StopAfterNEvalsHook(1),
        ],
        eval_interval_secs=1,
        max_number_of_evaluations=2,
        timeout=0.1,
        timeout_fn=timeout_fn)
    # We should have evaluated once.
    self.assertGreater(final_values['accuracy'], .99)
    # And called 4 times the timeout fn
    self.assertEqual(4, timeout_fn_calls[0])
Example #6
Source File: math_ops_test.py    From deep_image_model with Apache License 2.0 5 votes vote down vote up 
def testRounding(self):
    x = [0.49, 0.7, -0.3, -0.8]
    # TODO(nolivia): Remove this when RoundOp is forwards compatible
    # x = np.arange(-5.0, 5.0, .25)
    for dtype in [np.float32, np.double, np.int32]:
      x_np = np.array(x, dtype=dtype)
      with self.test_session(use_gpu=True):
        x_tf = constant_op.constant(x_np, shape=x_np.shape)
        y_tf = math_ops.round(x_tf)
        y_tf_np = y_tf.eval()
        y_np = np.round(x_np)
        self.assertAllClose(y_tf_np, y_np, atol=1e-2)
Example #7
Source File: test_forward.py    From incubator-tvm with Apache License 2.0 5 votes vote down vote up 
def _test_round(data):
    """ One iteration of round """
    return _test_unary_elemwise(math_ops.round, data)

#######################################################################
# Exp
# ---
Example #8
Source File: backend.py    From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License 5 votes vote down vote up 
def round(x):
  """Element-wise rounding to the closest integer.

  In case of tie, the rounding mode used is "half to even".

  Arguments:
      x: Tensor or variable.

  Returns:
      A tensor.
  """
  return math_ops.round(x)
Example #9
Source File: core_test.py    From keras-lambda with MIT License 5 votes vote down vote up 
def setUp(self):
    super(CoreUnaryOpsTest, self).setUp()

    self.ops = [
        ('abs', operator.abs, math_ops.abs, core.abs_function),
        ('neg', operator.neg, math_ops.negative, core.neg),
        # TODO(shoyer): add unary + to core TensorFlow
        ('pos', None, None, None),
        ('sign', None, math_ops.sign, core.sign),
        ('reciprocal', None, math_ops.reciprocal, core.reciprocal),
        ('square', None, math_ops.square, core.square),
        ('round', None, math_ops.round, core.round_function),
        ('sqrt', None, math_ops.sqrt, core.sqrt),
        ('rsqrt', None, math_ops.rsqrt, core.rsqrt),
        ('log', None, math_ops.log, core.log),
        ('exp', None, math_ops.exp, core.exp),
        ('log', None, math_ops.log, core.log),
        ('ceil', None, math_ops.ceil, core.ceil),
        ('floor', None, math_ops.floor, core.floor),
        ('cos', None, math_ops.cos, core.cos),
        ('sin', None, math_ops.sin, core.sin),
        ('tan', None, math_ops.tan, core.tan),
        ('acos', None, math_ops.acos, core.acos),
        ('asin', None, math_ops.asin, core.asin),
        ('atan', None, math_ops.atan, core.atan),
        ('lgamma', None, math_ops.lgamma, core.lgamma),
        ('digamma', None, math_ops.digamma, core.digamma),
        ('erf', None, math_ops.erf, core.erf),
        ('erfc', None, math_ops.erfc, core.erfc),
        ('lgamma', None, math_ops.lgamma, core.lgamma),
    ]
    total_size = np.prod([v.size for v in self.original_lt.axes.values()])
    self.test_lt = core.LabeledTensor(
        math_ops.cast(self.original_lt, dtypes.float32) / total_size,
        self.original_lt.axes)