Add Tanh, test=develop

PaddlePaddle · Aug 21, 2020 · 6e8fdde · 6e8fdde
1 parent fb08df7
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diff --git a/doc/fluid/api/nn/activation.rst b/doc/fluid/api/nn/activation.rst
@@ -6,3 +6,4 @@ activation
     :maxdepth: 1
 
     activation/Hardshrink.rst
+    activation/Tanh.rst
diff --git a/doc/fluid/api/nn/activation/Tanh.rst b/doc/fluid/api/nn/activation/Tanh.rst
@@ -0,0 +1,13 @@
+..  THIS FILE IS GENERATED BY `gen_doc.{py|sh}`
+    !DO NOT EDIT THIS FILE MANUALLY!
+
+.. _api_nn_activation_Tanh:
+
+Tanh
+---------
+
+..  autoclass:: paddle.nn.activation.Tanh
+    :members:
+    :inherited-members:
+    :noindex:
+
diff --git a/doc/fluid/api_cn/nn_cn/activation_cn.rst b/doc/fluid/api_cn/nn_cn/activation_cn.rst
@@ -11,3 +11,4 @@ activation
     activation_cn/Hardshrink_cn.rst
     activation_cn/LeakyReLU_cn.rst
     activation_cn/Sigmoid_cn.rst
+    activation_cn/Tanh_cn.rst
diff --git a/doc/fluid/api_cn/nn_cn/activation_cn/Tanh_cn.rst b/doc/fluid/api_cn/nn_cn/activation_cn/Tanh_cn.rst
@@ -0,0 +1,35 @@
+.. _cn_api_nn_Tanh:
+
+Tanh
+-------------------------------
+.. py:class:: paddle.nn.Tanh(name=None)
+
+Tanh激活层
+
+.. math::
+    Tanh(x) = \frac{e^{x} - e^{-x}}{e^{x} + e^{-x}}
+
+
+参数
+::::::::::
+    - name (str, 可选) - 操作的名称(可选，默认值为None）。更多信息请参见 :ref:`api_guide_Name`。
+
+形状:
+    - input: 任意形状的Tensor。
+    - output: 和input具有相同形状的Tensor。
+
+代码示例
+:::::::::
+
+.. code-block:: python
+
+    import paddle
+    import numpy as np
+
+    paddle.disable_static()
+
+    x = paddle.to_tensor(np.array([-0.4, -0.2, 0.1, 0.3]))
+    m = paddle.nn.Tanh()
+    out = m(x)
+    print(out.numpy())
+    # [-0.37994896 -0.19737532  0.09966799  0.29131261]