Create data_0.py

add the first fluid.layers.data api

Author: guru4elephant

api_examples/paddle/fluid/layers/data_0.py

@@ -0,0 +1,34 @@
+# Copyright (c) 2019 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.
+
+# api: paddle.fluid.data
+# env: local
+# device: gpu
+# text：feed-gpu-data
+
+import paddle.fluid as fluid
+import numpy as np
+
+def gen_data():
+    return {"x": np.ones((1, 32)).astype('float32')}
+
+input_x = fluid.layers.data(name="x", shape=[32], dtype='float32')
+place = fluid.CUDAPlace(0)
+exe = fluid.Executor(place)
+input_val = exe.run(feed=gen_data(),
+                    fetch_list=[input_x.name])
+print(input_val)
+# [array([[1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,
+#           1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]],
+#         dtype=float32)]