Author: John Coffey
Date: 15:56:46 09/21/98
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On September 21, 1998 at 18:12:36, Tom Kerrigan wrote: >Mostly correct, although maintaining two numbers to describe the position is >overkill. One 64 bit number should be enough. > Is one 64 bit number enough to uniquely identify a position? Does this prevent two positions from getting the same hash key? I assume that you convert your hash key into an index into the history. I assume that you take your 64 bit number and divide it by a constant (or right shift it) to get the number of entries available in your hash table? i.e. 64 megs would be 4 million positions. John Coffey
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