Author: Swaminathan
Date: 19:43:18 02/24/06
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On February 23, 2006 at 14:47:23, Christopher Conkie wrote: Hello Chris, Were you coding for your engine?I hope you are only detecting clones. Damn,you wouldn't reply because you are banned. Come with a new account over at CTF. Behave and Don't get benned again regards, Swami >Is there a way to keep board representations entirely in hexadecimal format >until output of moves are required. How would one accomplish rotation for >diagonals without conversion. For example, is it needed to convert pieces to a >number if you started with something like..... > >typedef unsigned long long bitboard; > >bitboard B_Occ = 0xffff000000000000ULL; >bitboard W_Occ = 0x000000000000ffffULL; > >bitboard All_P = 0x00ff00000000ff00ULL; >bitboard All_N = 0x4200000000000042ULL; >bitboard All_B = 0x2400000000000024ULL; >bitboard All_R = 0x8100000000000081ULL; >bitboard All_Q = 0x1000000000000010ULL; >bitboard All_K = 0x0800000000000008ULL; > >I have been toying with this idea but am not quite sure of the validity of it's >basis. I was thinking that if less conversion took place it would improve speed >significantly. > >Any thoughts would be nice. > >Christopher
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