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| typedef __int64 BITBOARD;
const BITBOARD BIT=1;
const int
a8= 0, b8= 1, c8= 2, d8= 3, e8= 4, f8= 5, g8= 6, h8= 7,
a7= 8, b7= 9, c7=10, d7=11, e7=12, f7=13, g7=14, h7=15,
a6=16, b6=17, c6=18, d6=19, e6=20, f6=21, g6=22, h6=23,
a5=24, b5=25, c5=26, d5=27, e5=28, f5=29, g5=30, h5=31,
a4=32, b4=33, c4=34, d4=35, e4=36, f4=37, g4=38, h4=39,
a3=40, b3=41, c3=42, d3=43, e3=44, f3=45, g3=46, h3=47,
a2=48, b2=49, c2=50, d2=51, e2=52, f2=53, g2=54, h2=55,
a1=56, b1=57, c1=58, d1=59, e1=60, f1=61, g1=62, h1=63;
const int Rotate90[]={
h8,h7,h6,h5,h4,h3,h2,h1,
g8,g7,g6,g5,g4,g3,g2,g1,
f8,f7,f6,f5,f4,f3,f2,f1,
e8,e7,e6,e5,e4,e3,e2,e1,
d8,d7,d6,d5,d4,d3,d2,d1,
c8,c7,c6,c5,c4,c3,c2,c1,
b8,b7,b6,b5,b4,b3,b2,b1,
a8,a7,a6,a5,a4,a3,a2,a1
};
const int RotateL45[64] = {
h8,
g8,h7,
f8,g7,h6,
e8,f7,g6,h5,
d8,e7,f6,g5,h4,
c8,d7,e6,f5,g4,h3,
b8,c7,d6,e5,f4,g3,h2,
a8,b7,c6,d5,e4,f3,g2,h1,
a7,b6,c5,d4,e3,f2,g1,
a6,b5,c4,d3,e2,f1,
a5,b4,c3,d2,e1,
a4,b3,c2,d1,
a3,b2,c1,
a2,b1,
a1
};
const int RotateR45[]={
a8,
a7,b8,
a6,b7,c8,
a5,b6,c7,d8,
a4,b5,c6,d7,e8,
a3,b4,c5,d6,e7,f8,
a2,b3,c4,d5,e6,f7,g8,
a1,b2,c3,d4,e5,f6,g7,h8,
b1,c2,d3,e4,f5,g6,h7,
c1,d2,e3,f4,g5,h6,
d1,e2,f3,g4,h5,
e1,f2,g3,h4,
f1,g2,h3,
g1,h2,
h1
};
__int64 Mask[64];
void bbInit(){
for(int i=0;i<64;i++)
Mask[i]=BIT<<i;
}
BITBOARD bbRotate(const BITBOARD B,const int Rot[]){
BITBOARD R=0;
for(int i=0;i<64;i++)
if(B & Mask[Rot[i]])R|=BIT<<i;
return R;
} |
