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Subject: Re: question about definition of clones

Author: Robert Hyatt

Date: 18:05:27 08/21/05

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On August 21, 2005 at 19:01:03, Uri Blass wrote:

>On August 21, 2005 at 15:52:02, Robert Hyatt wrote:
>
>>On August 21, 2005 at 14:58:45, Peter Fendrich wrote:
>>
>>>Technically it is not a clone but I think there is a limit somewhere that is
>>>hard to set...
>>>I mean there is a difference if you take influence from som specific function
>>>that you found compared to in detail study the whole program and trying to
>>>implement function after function. In both case I think that the original author
>>>at least deserves a thanks in the readme file.
>>>Cloning or not, I think that being open and honest about it is the key.
>>>
>>>/Peter
>>
>>This is a tough question.  If someone shows me a 1000 line program in language
>>X, and all I do is translate it to language Y, that has to be a clone.  But what
>>if I don't translate line by line, but function by function.  That is, I examine
>>the move generator, and then write an equivalent from scratch in a different
>>language.  Repeat for all functions.  Now it is harder.  But, IMHO, it is
>>_still_ a clone.  Crafty re-written in whatever language you choose will still
>>be crafty...
>
>I think that in the last case there is no agreement.
>
>Fabien replied me by email that based on his opinion I am free to  use the ideas
>but not the code verbatim(copy/paste).
>
>He cannot promise me that tournament organizers will think the same but I think
>that at least from fabien point of view there is nothing wrong in translating
>fruit to another language when no copy/paste is done.
>
>Uri


I think that if you do something like null-move, the "idea" is usable.  But if
you decide to implement it exactly as someone else did (note that null-move is a
bad example here as it is trivial to do anyway) then whether you cut/paste or
have two windows open and look at one and just convert to another language in
the other, it seems to be the same to me...

But _very_ difficult to verify anyway.




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