Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Sorry XOR with Int64 in Delphi works fine

Author: Andreas Herrmann

Date: 04:08:19 02/15/01

Go up one level in this thread


On February 15, 2001 at 06:19:59, Andreas Herrmann wrote:

>On February 13, 2001 at 19:45:07, Tony Werten wrote:
>
>>On February 13, 2001 at 11:19:43, Andreas Herrmann wrote:
>>
>>>On February 13, 2001 at 10:52:19, Gian-Carlo Pascutto wrote:
>>>
>>>>On February 13, 2001 at 08:28:33, Andreas Herrmann wrote:
>>>>
>>>>>I only uses 32-bit hash keys because Delphi
>>>>>cannot manage XOR with 64-bit values.
>>
>>Get a newer Delphi version. D5 has no problem with 64bits xor.
>
>      I use D5 Enterprice Version with upgrade, there is no newer version.
>      Delphi makes only a xor with the first 32 bit if you use two Int64 values.
>      Try it!

  SORRY i tryd it another time yet, and it works fine.


>
>>
>>>>
>>>>Use the XOR on the 2 32-bit parts of the hashkey. The result
>>>>is the same.
>>>>
>>>>--
>>>>GCP
>>>
>>>Yes i know, in future i will do so, but in the moment i think that's not the
>>>reason of my problem. Before some month i had a look to the code of phalanx, and
>>>i saw that he uses 32-Bit keys and random numbers. A while i tryd his static 32-
>>>bit random numbers, but that didn't solve my problem.
>>
>>Do you remove the enpassant square when you nullmove ?
>
>              I have the same problem without nullmove.
>
>>
>>Tony
>>
>>>
>>>Andreas



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.