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Subject: Re: 64 bit 90 degree rotations -- a summary from USENET

Author: Gian-Carlo Pascutto

Date: 03:20:38 06/11/02

Go up one level in this thread

On June 10, 2002 at 18:49:17, Dann Corbit wrote:

>On June 10, 2002 at 17:21:32, Peter Fendrich wrote:
>
>>On June 10, 2002 at 15:47:14, Dann Corbit wrote:
>>
>>Dann,
>>why do you collect these rotating functions?
>>When it comes to me I don't make any rotating during search just during the
>>initial phase when the program starts.
>>During search it is lookups in order to get the rotated file or diagonal.
>
>Suppose that you wanted to switch from 0x88 to bitboard, and all that you
>maintained was a single, non-rotated bitboard when in 0x88 mode?

You still need to find a way to get the R45 and L45 bitboards though.

--
GCP

• Re: 64 bit 90 degree rotations -- a summary from USENET Dann Corbit 11:28:24 06/11/02
  • Re: 64 bit 90 degree rotations -- a summary from USENET Gian-Carlo Pascutto 12:27:27 06/11/02
    • Re: 64 bit 90 degree rotations -- a summary from USENET Dann Corbit 12:39:01 06/11/02

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