1/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7    http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15#ifndef TENSORFLOW_CONTRIB_LITE_KERNELS_PADDING_H_
16#define TENSORFLOW_CONTRIB_LITE_KERNELS_PADDING_H_
17
18namespace tflite {
19
20inline int ComputePadding(int stride, int in_size, int filter_size,
21                          int out_size) {
22  int padding = ((out_size - 1) * stride + filter_size - in_size) / 2;
23  return padding > 0 ? padding : 0;
24}
25
26}  // namespace tflite
27
28#endif  // TENSORFLOW_CONTRIB_LITE_KERNELS_PADDING_H_
29