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Subject: Re: Hash code oddity ?

Author: Robert Hyatt

Date: 20:54:51 06/05/04

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On June 05, 2004 at 15:41:50, Dieter Buerssner wrote:

>On June 05, 2004 at 06:05:51, GeoffW wrote:
>
>>Hello Dieter
>>>Many people use the term "draft" instead of "depth", in my reasoning.
>>
>>I know Bob uses that term and it confuses the hell out of me !

I actually got the term from David Slate and Burton Wendroff years ago.  You
will find them mentioning this term...


>
>Me, too. But now, I looked in the dictionary. I was aware of several meanings of
>draft. But none made any sense, in this context (to me). I think, now I
>understand. My Webster's shows as 16. (of 32 different meanings) Naut. The depth
>to which a vessek is immersed when bearing a given load.
>
>This seems to make sense.
>

Correct...



>>I always think of the search as progressing downwards, the term "draft" I think
>>of as the distance below the waterline. I.E the depth we have still to go in the
>>search,
>
>Yes
>
>>so that storing "draft" in the hash table seems wrong to me.
>
>Perhaps I misunderstand. I'd say no! You want to store the depth, that remains
>until qsearch/eval in the HT, not the depth you have done already until this
>move. Of course, when you store it, you already have done that remaining depth,
>too, because you searched the tree starting from the now current position that
>deep.
>
>Regards,
>Dieter



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