Exemple #1
0
        internal long selfSymmetry()
        {
            CubieCube c   = new CubieCube(this);
            CubieCube d   = new CubieCube();
            long      sym = 0L;

            for (int i = 0; i < 48; i++)
            {
                CornConjugate(c, SymInv[i % 16], d);
                if (d.equalsCorn(this))
                {
                    EdgeConjugate(c, SymInv[i % 16], d);
                    if (d.equalsEdge(this))
                    {
                        sym |= 1L << i;
                    }
                }
                if (i % 16 == 15)
                {
                    c.URFConjugate();
                }
            }
            c.invCubieCube();
            for (int i = 0; i < 48; i++)
            {
                CornConjugate(c, SymInv[i % 16], d);
                if (d.equalsCorn(this))
                {
                    EdgeConjugate(c, SymInv[i % 16], d);
                    if (d.equalsEdge(this))
                    {
                        sym |= 1L << 48;
                        break;
                    }
                }
                if (i % 16 == 15)
                {
                    c.URFConjugate();
                }
            }
            return(sym);
        }
Exemple #2
0
        internal static void initSym()
        {
            CubieCube c = new CubieCube();
            CubieCube d = new CubieCube();
            CubieCube t;

            CubieCube f2  = new CubieCube(28783, 0, 259268407, 0);
            CubieCube u4  = new CubieCube(15138, 0, 119765538, 7);
            CubieCube lr2 = new CubieCube(5167, 0, 83473207, 0);

            for (int i = 0; i < 8; i++)
            {
                lr2.ca[i] |= 3 << 3;
            }

            for (int i = 0; i < 16; i++)
            {
                CubeSym[i] = new CubieCube(c);
                CornMult(c, u4, d);
                EdgeMult(c, u4, d);
                t = d; d = c; c = t;
                if (i % 4 == 3)
                {
                    CornMult(c, lr2, d);
                    EdgeMult(c, lr2, d);
                    t = d; d = c; c = t;
                }
                if (i % 8 == 7)
                {
                    CornMult(c, f2, d);
                    EdgeMult(c, f2, d);
                    t = d; d = c; c = t;
                }
            }
            for (int i = 0; i < 16; i++)
            {
                for (int j = 0; j < 16; j++)
                {
                    CornMult(CubeSym[i], CubeSym[j], c);
                    for (int k = 0; k < 16; k++)
                    {
                        if (CubeSym[k].equalsCorn(c))
                        {
                            SymMult[i, j] = k;
                            if (k == 0)
                            {
                                SymInv[i] = j;
                            }
                            break;
                        }
                    }
                }
            }
            for (int j = 0; j < 18; j++)
            {
                for (int s = 0; s < 16; s++)
                {
                    CornConjugate(moveCube[j], SymInv[s], c);
                    for (int m = 0; m < 18; m++)
                    {
                        if (c.equalsCorn(moveCube[m]))
                        {
                            SymMove[s, j] = m;
                            break;
                        }
                    }
                }
            }
            for (int s = 0; s < 16; s++)
            {
                for (int j = 0; j < 10; j++)
                {
                    SymMoveUD[s, j] = Util.std2ud[SymMove[s, Util.ud2std[j]]];
                }
                for (int j = 0; j < 16; j++)
                {
                    SymMultInv[j, s] = SymMult[j, SymInv[s]];
                }
            }
            for (int s = 0; s < 8; s++)
            {
                for (int j = 0; j < 8; j++)
                {
                    Sym8Mult[s << 3 | j]    = SymMult[j << 1, s << 1] >> 1;
                    Sym8MultInv[j << 3 | s] = SymMult[j << 1, SymInv[s << 1]] >> 1;
                }
                for (int j = 0; j < 18; j++)
                {
                    Sym8Move[j << 3 | s] = SymMove[s << 1, j];
                }
            }
            for (int i = 0; i < 18; i++)
            {
                moveCubeSym[i] = moveCube[i].selfSymmetry();
            }
            for (int i = 0; i < 18; i++)
            {
                int j = i;
                for (int s = 0; s < 48; s++)
                {
                    if (SymMove[s % 16, j] < i)
                    {
                        firstMoveSym[s] |= 1 << i;
                    }
                    if (s % 16 == 15)
                    {
                        j = urfMove[2, j];
                    }
                }
            }
        }