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#define UINT8_BIT(i) (UINT8_C(1) << (uint8_t)(i))
#define FACTORIAL_MAX INT64_C(12)
#define POW_2_11 INT64_C(2048)
#define POW_3_7 INT64_C(2187)
#define FACT_12 INT64_C(479001600)
#define FACT_8 INT64_C(40320)
#define COMB_12_4 INT64_C(495)
#define COMB_8_4 INT64_C(70)
STATIC int64_t binomial[12][12] = {
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 4, 6, 4, 1, 0, 0, 0, 0, 0, 0, 0},
{1, 5, 10, 10, 5, 1, 0, 0, 0, 0, 0, 0},
{1, 6, 15, 20, 15, 6, 1, 0, 0, 0, 0, 0},
{1, 7, 21, 35, 35, 21, 7, 1, 0, 0, 0, 0},
{1, 8, 28, 56, 70, 56, 28, 8, 1, 0, 0, 0},
{1, 9, 36, 84, 126, 126, 84, 36, 9, 1, 0, 0},
{1, 10, 45, 120, 210, 252, 210, 120, 45, 10, 1, 0},
{1, 11, 55, 165, 330, 462, 462, 330, 165, 55, 11, 1},
};
#define MOVE_U UINT8_C(0)
#define MOVE_U2 UINT8_C(1)
#define MOVE_U3 UINT8_C(2)
#define MOVE_D UINT8_C(3)
#define MOVE_D2 UINT8_C(4)
#define MOVE_D3 UINT8_C(5)
#define MOVE_R UINT8_C(6)
#define MOVE_R2 UINT8_C(7)
#define MOVE_R3 UINT8_C(8)
#define MOVE_L UINT8_C(9)
#define MOVE_L2 UINT8_C(10)
#define MOVE_L3 UINT8_C(11)
#define MOVE_F UINT8_C(12)
#define MOVE_F2 UINT8_C(13)
#define MOVE_F3 UINT8_C(14)
#define MOVE_B UINT8_C(15)
#define MOVE_B2 UINT8_C(16)
#define MOVE_B3 UINT8_C(17)
#define TRANS_UFr UINT8_C(0)
#define TRANS_ULr UINT8_C(1)
#define TRANS_UBr UINT8_C(2)
#define TRANS_URr UINT8_C(3)
#define TRANS_DFr UINT8_C(4)
#define TRANS_DLr UINT8_C(5)
#define TRANS_DBr UINT8_C(6)
#define TRANS_DRr UINT8_C(7)
#define TRANS_RUr UINT8_C(8)
#define TRANS_RFr UINT8_C(9)
#define TRANS_RDr UINT8_C(10)
#define TRANS_RBr UINT8_C(11)
#define TRANS_LUr UINT8_C(12)
#define TRANS_LFr UINT8_C(13)
#define TRANS_LDr UINT8_C(14)
#define TRANS_LBr UINT8_C(15)
#define TRANS_FUr UINT8_C(16)
#define TRANS_FRr UINT8_C(17)
#define TRANS_FDr UINT8_C(18)
#define TRANS_FLr UINT8_C(19)
#define TRANS_BUr UINT8_C(20)
#define TRANS_BRr UINT8_C(21)
#define TRANS_BDr UINT8_C(22)
#define TRANS_BLr UINT8_C(23)
#define TRANS_UFm UINT8_C(24)
#define TRANS_ULm UINT8_C(25)
#define TRANS_UBm UINT8_C(26)
#define TRANS_URm UINT8_C(27)
#define TRANS_DFm UINT8_C(28)
#define TRANS_DLm UINT8_C(29)
#define TRANS_DBm UINT8_C(30)
#define TRANS_DRm UINT8_C(31)
#define TRANS_RUm UINT8_C(32)
#define TRANS_RFm UINT8_C(33)
#define TRANS_RDm UINT8_C(34)
#define TRANS_RBm UINT8_C(35)
#define TRANS_LUm UINT8_C(36)
#define TRANS_LFm UINT8_C(37)
#define TRANS_LDm UINT8_C(38)
#define TRANS_LBm UINT8_C(39)
#define TRANS_FUm UINT8_C(40)
#define TRANS_FRm UINT8_C(41)
#define TRANS_FDm UINT8_C(42)
#define TRANS_FLm UINT8_C(43)
#define TRANS_BUm UINT8_C(44)
#define TRANS_BRm UINT8_C(45)
#define TRANS_BDm UINT8_C(46)
#define TRANS_BLm UINT8_C(47)
#define MM_NORMAL UINT32_C(0x00)
#define MM_INVERSE UINT32_C(0x01)
#define MM_INVERSEBRANCH UINT32_C(0x03)
#define MM_NORMALBRANCH UINT32_C(0x02)
#define MM_ALLMOVES UINT32_C(0x3FFFF)
#define MM_NOHALFTURNS UINT32_C(0x2DB6D)
#define CORNER_UFR UINT8_C(0)
#define CORNER_UBL UINT8_C(1)
#define CORNER_DFL UINT8_C(2)
#define CORNER_DBR UINT8_C(3)
#define CORNER_UFL UINT8_C(4)
#define CORNER_UBR UINT8_C(5)
#define CORNER_DFR UINT8_C(6)
#define CORNER_DBL UINT8_C(7)
#define EDGE_UF UINT8_C(0)
#define EDGE_UB UINT8_C(1)
#define EDGE_DB UINT8_C(2)
#define EDGE_DF UINT8_C(3)
#define EDGE_UR UINT8_C(4)
#define EDGE_UL UINT8_C(5)
#define EDGE_DL UINT8_C(6)
#define EDGE_DR UINT8_C(7)
#define EDGE_FR UINT8_C(8)
#define EDGE_FL UINT8_C(9)
#define EDGE_BL UINT8_C(10)
#define EDGE_BR UINT8_C(11)
#define EOSHIFT UINT8_C(4)
#define COSHIFT UINT8_C(5)
#define PBITS UINT8_C(0xF)
#define ESEPBIT_1 UINT8_C(0x4)
#define ESEPBIT_2 UINT8_C(0x8)
#define CSEPBIT UINT8_C(0x4)
#define EOBIT UINT8_C(0x10)
#define COBITS UINT8_C(0xF0)
#define COBITS_2 UINT8_C(0x60)
#define CTWIST_CW UINT8_C(0x20)
#define CTWIST_CCW UINT8_C(0x40)
#define EFLIP UINT8_C(0x10)
#define UINT8_ERROR UINT8_C(0xFF)
STATIC const char *cornerstr[] = {
[CORNER_UFR] = "UFR",
[CORNER_UBL] = "UBL",
[CORNER_DFL] = "DFL",
[CORNER_DBR] = "DBR",
[CORNER_UFL] = "UFL",
[CORNER_UBR] = "UBR",
[CORNER_DFR] = "DFR",
[CORNER_DBL] = "DBL"
};
STATIC const char *cornerstralt[] = {
[CORNER_UFR] = "URF",
[CORNER_UBL] = "ULB",
[CORNER_DFL] = "DLF",
[CORNER_DBR] = "DRB",
[CORNER_UFL] = "ULF",
[CORNER_UBR] = "URB",
[CORNER_DFR] = "DRF",
[CORNER_DBL] = "DLB"
};
STATIC const char *edgestr[] = {
[EDGE_UF] = "UF",
[EDGE_UB] = "UB",
[EDGE_DB] = "DB",
[EDGE_DF] = "DF",
[EDGE_UR] = "UR",
[EDGE_UL] = "UL",
[EDGE_DL] = "DL",
[EDGE_DR] = "DR",
[EDGE_FR] = "FR",
[EDGE_FL] = "FL",
[EDGE_BL] = "BL",
[EDGE_BR] = "BR"
};
STATIC const char *movestr[] = {
[MOVE_U] = "U",
[MOVE_U2] = "U2",
[MOVE_U3] = "U'",
[MOVE_D] = "D",
[MOVE_D2] = "D2",
[MOVE_D3] = "D'",
[MOVE_R] = "R",
[MOVE_R2] = "R2",
[MOVE_R3] = "R'",
[MOVE_L] = "L",
[MOVE_L2] = "L2",
[MOVE_L3] = "L'",
[MOVE_F] = "F",
[MOVE_F2] = "F2",
[MOVE_F3] = "F'",
[MOVE_B] = "B",
[MOVE_B2] = "B2",
[MOVE_B3] = "B'",
};
STATIC const char *transstr[] = {
[TRANS_UFr] = "rotation UF",
[TRANS_UFm] = "mirrored UF",
[TRANS_ULr] = "rotation UL",
[TRANS_ULm] = "mirrored UL",
[TRANS_UBr] = "rotation UB",
[TRANS_UBm] = "mirrored UB",
[TRANS_URr] = "rotation UR",
[TRANS_URm] = "mirrored UR",
[TRANS_DFr] = "rotation DF",
[TRANS_DFm] = "mirrored DF",
[TRANS_DLr] = "rotation DL",
[TRANS_DLm] = "mirrored DL",
[TRANS_DBr] = "rotation DB",
[TRANS_DBm] = "mirrored DB",
[TRANS_DRr] = "rotation DR",
[TRANS_DRm] = "mirrored DR",
[TRANS_RUr] = "rotation RU",
[TRANS_RUm] = "mirrored RU",
[TRANS_RFr] = "rotation RF",
[TRANS_RFm] = "mirrored RF",
[TRANS_RDr] = "rotation RD",
[TRANS_RDm] = "mirrored RD",
[TRANS_RBr] = "rotation RB",
[TRANS_RBm] = "mirrored RB",
[TRANS_LUr] = "rotation LU",
[TRANS_LUm] = "mirrored LU",
[TRANS_LFr] = "rotation LF",
[TRANS_LFm] = "mirrored LF",
[TRANS_LDr] = "rotation LD",
[TRANS_LDm] = "mirrored LD",
[TRANS_LBr] = "rotation LB",
[TRANS_LBm] = "mirrored LB",
[TRANS_FUr] = "rotation FU",
[TRANS_FUm] = "mirrored FU",
[TRANS_FRr] = "rotation FR",
[TRANS_FRm] = "mirrored FR",
[TRANS_FDr] = "rotation FD",
[TRANS_FDm] = "mirrored FD",
[TRANS_FLr] = "rotation FL",
[TRANS_FLm] = "mirrored FL",
[TRANS_BUr] = "rotation BU",
[TRANS_BUm] = "mirrored BU",
[TRANS_BRr] = "rotation BR",
[TRANS_BRm] = "mirrored BR",
[TRANS_BDr] = "rotation BD",
[TRANS_BDm] = "mirrored BD",
[TRANS_BLr] = "rotation BL",
[TRANS_BLm] = "mirrored BL",
};
static uint8_t inverse_trans_table[48] = {
[TRANS_UFr] = TRANS_UFr,
[TRANS_UFm] = TRANS_UFm,
[TRANS_ULr] = TRANS_URr,
[TRANS_ULm] = TRANS_ULm,
[TRANS_UBr] = TRANS_UBr,
[TRANS_UBm] = TRANS_UBm,
[TRANS_URr] = TRANS_ULr,
[TRANS_URm] = TRANS_URm,
[TRANS_DFr] = TRANS_DFr,
[TRANS_DFm] = TRANS_DFm,
[TRANS_DLr] = TRANS_DLr,
[TRANS_DLm] = TRANS_DRm,
[TRANS_DBr] = TRANS_DBr,
[TRANS_DBm] = TRANS_DBm,
[TRANS_DRr] = TRANS_DRr,
[TRANS_DRm] = TRANS_DLm,
[TRANS_RUr] = TRANS_FRr,
[TRANS_RUm] = TRANS_FLm,
[TRANS_RFr] = TRANS_LFr,
[TRANS_RFm] = TRANS_RFm,
[TRANS_RDr] = TRANS_BLr,
[TRANS_RDm] = TRANS_BRm,
[TRANS_RBr] = TRANS_RBr,
[TRANS_RBm] = TRANS_LBm,
[TRANS_LUr] = TRANS_FLr,
[TRANS_LUm] = TRANS_FRm,
[TRANS_LFr] = TRANS_RFr,
[TRANS_LFm] = TRANS_LFm,
[TRANS_LDr] = TRANS_BRr,
[TRANS_LDm] = TRANS_BLm,
[TRANS_LBr] = TRANS_LBr,
[TRANS_LBm] = TRANS_RBm,
[TRANS_FUr] = TRANS_FUr,
[TRANS_FUm] = TRANS_FUm,
[TRANS_FRr] = TRANS_RUr,
[TRANS_FRm] = TRANS_LUm,
[TRANS_FDr] = TRANS_BUr,
[TRANS_FDm] = TRANS_BUm,
[TRANS_FLr] = TRANS_LUr,
[TRANS_FLm] = TRANS_RUm,
[TRANS_BUr] = TRANS_FDr,
[TRANS_BUm] = TRANS_FDm,
[TRANS_BRr] = TRANS_LDr,
[TRANS_BRm] = TRANS_RDm,
[TRANS_BDr] = TRANS_BDr,
[TRANS_BDm] = TRANS_BDm,
[TRANS_BLr] = TRANS_RDr,
[TRANS_BLm] = TRANS_LDm,
};
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