From 992b30bad03448c3b2d1128fccc399f4116ac385 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=82=85=E5=89=91=E5=AF=92?= <Xs1580802568@gmail.com>
Date: Wed, 16 Nov 2022 21:46:36 +0800
Subject: [PATCH] [fluid clear] Remove elu in nn.py (#47855)

---
 python/paddle/fluid/layers/nn.py              | 44 -------------------
 .../unittests/test_activation_nn_grad.py      |  2 +-
 .../tests/unittests/test_inplace_abn_op.py    |  2 +-
 3 files changed, 2 insertions(+), 46 deletions(-)

diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index 0e6abd6667..41766c6651 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -131,7 +131,6 @@ __all__ = [
     'log',
     'crop',
     'crop_tensor',
-    'elu',
     'relu6',
     'pow',
     'stanh',
@@ -9923,49 +9922,6 @@ def pad2d(
     return out
 
 
-@deprecated(since="2.0.0", update_to="paddle.nn.functional.elu")
-def elu(x, alpha=1.0, name=None):
-    """
-    :alias_main: paddle.nn.functional.elu
-        :alias: paddle.nn.functional.elu,paddle.nn.functional.activation.elu
-        :old_api: paddle.fluid.layers.elu
-
-    ${comment}
-    Args:
-        x(${x_type}): ${x_comment}
-        alpha(${alpha_type}|1.0): ${alpha_comment}
-        name(str|None): The default value is None. Normally there is no need for user to set this property.
-                        For more information, please refer to :ref:`api_guide_Name`.
-    Returns:
-        ${out_type}: ${out_comment}
-
-    Examples:
-
-        .. code-block:: python
-
-            import paddle.fluid as fluid
-            import numpy as np
-
-            input_elu = np.array([[-1,6],[1,15.6]])
-            with fluid.dygraph.guard():
-                x = fluid.dygraph.to_variable(input_elu)
-                y = fluid.layers.elu(x, alpha=0.2)
-                print(y.numpy())
-                # [[-0.12642411  6.        ]
-                # [ 1.          15.6       ]]
-    """
-    helper = LayerHelper('elu', **locals())
-    check_variable_and_dtype(x, 'x', ['float16', 'float32', 'float64'], 'elu')
-    out = helper.create_variable_for_type_inference(dtype=x.dtype)
-    helper.append_op(
-        type='elu',
-        inputs={'X': x},
-        outputs={'Out': out},
-        attrs={'alpha': alpha},
-    )
-    return out
-
-
 @deprecated(since="2.0.0", update_to="paddle.nn.functional.relu6")
 def relu6(x, threshold=6.0, name=None):
     """
diff --git a/python/paddle/fluid/tests/unittests/test_activation_nn_grad.py b/python/paddle/fluid/tests/unittests/test_activation_nn_grad.py
index 38a894755f..cee448b064 100644
--- a/python/paddle/fluid/tests/unittests/test_activation_nn_grad.py
+++ b/python/paddle/fluid/tests/unittests/test_activation_nn_grad.py
@@ -252,7 +252,7 @@ class TestELUDoubleGradCheck(unittest.TestCase):
         x = layers.data('x', shape, False, dtype)
         x.persistable = True
 
-        y = layers.elu(x, alpha=alpha)
+        y = paddle.nn.functional.elu(x, alpha=alpha)
         np.random.RandomState(SEED)
         x_arr = np.random.uniform(-1, 1, shape).astype(dtype)
         gradient_checker.double_grad_check(
diff --git a/python/paddle/fluid/tests/unittests/test_inplace_abn_op.py b/python/paddle/fluid/tests/unittests/test_inplace_abn_op.py
index 1048c6710d..ff033d51ef 100644
--- a/python/paddle/fluid/tests/unittests/test_inplace_abn_op.py
+++ b/python/paddle/fluid/tests/unittests/test_inplace_abn_op.py
@@ -80,7 +80,7 @@ class TestInplaceANBOpTraining(unittest.TestCase):
                     if activation == 'leaky_relu':
                         bn = fluid.layers.leaky_relu(bn, alpha)
                     if activation == 'elu':
-                        bn = fluid.layers.elu(bn, alpha)
+                        bn = paddle.nn.functional.elu(bn, alpha)
 
                 # NOTE: in inplace mode input and output of bn
                 # may have same name, multiply 1. to generate
-- 
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