update the doc for how to write the operators.#3873
Merged
lcy-seso merged 3 commits intoPaddlePaddle:developfrom Sep 6, 2017
Merged
update the doc for how to write the operators.#3873lcy-seso merged 3 commits intoPaddlePaddle:developfrom
lcy-seso merged 3 commits intoPaddlePaddle:developfrom
