Create fc.py

ppcls/arch/neck/fc.py

+# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import paddle
+import paddle.nn as nn
+
+class FC(nn.Layer):
+    def __init__(self, input_dim, 
+                       embedding_size):
+        super(FC, self).__init__()
+        self.input_dim  = input_dim
+        self.embedding_size = embedding_size
+        weight_attr =  paddle.ParamAttr(initializer = paddle.nn.initializer.XavierNormal())
+        self.fc  =  paddle.nn.Linear(self.input_dim, self.embedding_size, weight_attr=weight_attr)    
+
+    def forward(self, x):
+        x = self.fc(x)
+        return x