internal static void InitFlipSym2Raw()
{
CubieCube c = new CubieCube();
CubieCube d = new CubieCube();
int[] occ = new int[2048 >> 5];
int count = 0;
for (int i = 0; i < 2048 >> 5; occ[i++] = 0)
{
;
}
FlipR2S = new char[2048];
for (int i = 0; i < 2048; i++)
{
if ((occ[i >> 5] & (1 << (i & 0x1f))) == 0)
{
c.SetFlip(i);
for (int s = 0; s < 16; s += 2)
{
EdgeConjugate(c, s, d);
int idx = d.GetFlip();
if (idx == i)
{
SymStateFlip[count] |= (char)(1 << (s >> 1));
}
occ[idx >> 5] |= 1 << (idx & 0x1f);
FlipR2S[idx] = (char)((count << 3) | (s >> 1));
}
FlipS2R[count++] = (char)i;
}
}
}
internal int GetFlipSym()
{
if (FlipR2S != null)
{
return(FlipR2S[GetFlip()]);
}
if (temps == null)
{
temps = new CubieCube();
}
for (int k = 0; k < 16; k += 2)
{
EdgeConjugate(this, SymInv[k], temps);
int idx = Util.BinarySearch(FlipS2R, temps.GetFlip());
if (idx != 0xffff)
{
return((idx << 3) | (k >> 1));
}
}
return(0);
}