Your question evidently relates to
this article.[
^] Questions on an article should be posted in the area at the bottom of that article. Here people will not have the context of the article and not know what you are talking about.
I, personally, would generally consider a reimplementation of a program in a different language to be more than I could reasonably request from an author (unless I was paying :) ). In this case, however, you seem to be in luck. If you browsed through Xiangyang Liu's list of articles, you would find
this[
^].
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