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Subject: Re: questions about using popcount function to count bitboard

Author: Dieter Buerssner

Date: 22:16:43 01/10/03

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On January 10, 2003 at 15:31:05, Bas Hamstra wrote:

>inline int PopCnt(BB BitBoard)
>
>{    unsigned char* p = (unsigned char*) BitBoard;

Unless BB is a pointer type, you will need an adress of:

      unsigned char* p = (unsigned char*) &BitBoard;


>     return PopCnt8[p[0]] + PopCnt8[p[1]] ... + PopCnt8[p[7]];
>}

Regards,
Dieter

• Re: questions about using popcount function to count bitboard Bas Hamstra 08:12:14 01/11/03

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