internal static void InitTwistSym2Raw()
{
CubieCube c = new CubieCube();
CubieCube d = new CubieCube();
int[] occ = new int[2187 / 32 + 1];
int count = 0;
for (int i = 0; i < 2187 / 32 + 1; occ[i++] = 0)
{
;
}
TwistR2S = new char[2187];
for (int i = 0; i < 2187; i++)
{
if ((occ[i >> 5] & (1 << (i & 0x1f))) == 0)
{
c.SetTwist(i);
for (int s = 0; s < 16; s += 2)
{
CornConjugate(c, s, d);
int idx = d.GetTwist();
if (idx == i)
{
SymStateTwist[count] |= (char)(1 << (s >> 1));
}
occ[idx >> 5] |= 1 << (idx & 0x1f);
TwistR2S[idx] = (char)((count << 3) | (s >> 1));
}
TwistS2R[count++] = (char)i;
}
}
}
internal static void InitTwistMove()
{
CubieCube c = new CubieCube();
CubieCube d = new CubieCube();
for (int i = 0; i < N_TWIST_SYM; i++)
{
c.SetTwist(CubieCube.TwistS2R[i]);
for (int j = 0; j < N_MOVES; j++)
{
CubieCube.CornMult(c, CubieCube.MoveCube[j], d);
TwistMove[i][j] = (char)d.GetTwistSym();
}
}
}