internal static void initFlipSym2Raw()
{
CubieCube c = new CubieCube();
CubieCube d = new CubieCube();
int count = 0;
FlipR2S = new char[2048];
for (int i = 0; i < 2048; i++)
{
if (FlipR2S[i] != 0)
{
continue;
}
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));
}
FlipR2S[idx] = (char)(count << 3 | s >> 1);
if (Search.USE_TWIST_FLIP_PRUN)
{
FlipS2RF[count << 3 | s >> 1] = (char)idx;
}
}
FlipS2R[count++] = (char)i;
}
if (count != 336)
{
throw new Exception("Unexpected count value");
}
}
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 = Array.BinarySearch(FlipS2R, (char)temps.getFlip());
if (idx >= 0)
{
return(idx << 3 | k >> 1);
}
}
throw new Exception("assert getFlipSym()");
}