E2EC for non-commercial purposes
Copyright (c) 2022 the authors
All rights reserved.

For more information see <https://github.com/zhang-tao-whu/e2ec>
If you use this code, please cite the corresponding publications as
listed on the above website.

Permission to use, copy, modify and distribute this software and its
documentation for educational, research and non-profit purposes only.
Any modification based on this work must be open source and prohibited
for commercial use.
You must retain, in the source form of any derivative works that you
distribute, all copyright, patent, trademark, and attribution notices
from the source form of this work.
