From 4fb67201414169a2687f41c4056b2e284b4938cb Mon Sep 17 00:00:00 2001 From: Sebastiano Tronto Date: Thu, 11 Nov 2021 22:05:00 +0100 Subject: Removed old files --- old/2020-unknown-date/cube_backup.c | 527 ------------------------------------ old/2020-unknown-date/cubeutils.c | 100 ------- old/2020-unknown-date/cubeutils.h | 18 -- old/2020-unknown-date/moves.c | 57 ---- old/2020-unknown-date/moves.h | 9 - old/2020-unknown-date/pieces.c | 208 -------------- old/2020-unknown-date/pieces.h | 59 ---- 7 files changed, 978 deletions(-) delete mode 100644 old/2020-unknown-date/cube_backup.c delete mode 100644 old/2020-unknown-date/cubeutils.c delete mode 100644 old/2020-unknown-date/cubeutils.h delete mode 100644 old/2020-unknown-date/moves.c delete mode 100644 old/2020-unknown-date/moves.h delete mode 100644 old/2020-unknown-date/pieces.c delete mode 100644 old/2020-unknown-date/pieces.h (limited to 'old/2020-unknown-date') diff --git a/old/2020-unknown-date/cube_backup.c b/old/2020-unknown-date/cube_backup.c deleted file mode 100644 index e049edd..0000000 --- a/old/2020-unknown-date/cube_backup.c +++ /dev/null @@ -1,527 +0,0 @@ -#include -#include -#include "cube.h" - -/* The next few functions are used to convert from the Cube structure - * representation to actual arrays of pieces. */ -void cube_to_ep_array(Cube cube, int ep[12]); -void cube_to_eofb_array(Cube cube, int eo[12]); -void cube_to_eorl_array(Cube cube, int eo[12]); -void cube_to_eoud_array(Cube cube, int eo[12]); -void cube_to_cp_array(Cube cube, int cp[8]); -void cube_to_coud_array(Cube cube, int co[8]); -void cube_to_cofb_array(Cube cube, int co[8]); -void cube_to_corl_array(Cube cube, int co[8]); -void cube_to_centerpos_array(Cube cube, int centerpos[6]); -Cube ep_array_to_cube(int ep[12]); -Cube eofb_array_to_cube(int eo[12]); -Cube eorl_array_to_cube(int eo[12]); -Cube eoud_array_to_cube(int eo[12]); -Cube cp_array_to_cube(int cp[8]); -Cube coud_array_to_cube(int co[8]); -Cube cofb_array_to_cube(int co[8]); -Cube corl_array_to_cube(int co[8]); -Cube centerpos_array_to_cube(int centerpos[6]); -Cube move_array(Cube cube, void (cube_to_arr)(Cube, int *), - Cube (*arr_to_cube)(int *), - int *perm, int *orient, int n, int m); - - -/* Transition tables */ -int epose_ttable[NMOVES][factorial12/factorial8]; -int eposs_ttable[NMOVES][factorial12/factorial8]; -int eposm_ttable[NMOVES][factorial12/factorial8]; -int eofb_ttable[NMOVES][pow2to11]; -int eorl_ttable[NMOVES][pow2to11]; -int eoud_ttable[NMOVES][pow2to11]; -int cp_ttable[NMOVES][factorial8]; -int coud_ttable[NMOVES][pow3to7]; -int cofb_ttable[NMOVES][pow3to7]; -int corl_ttable[NMOVES][pow3to7]; -int centerpos_ttable[NMOVES][factorial6]; - -char edge_string[12][5] = { - "UF", "UL", "UB", "UR", "DF", "DL", "DB", "DR", "FR", "FL", "BL", "BR" -}; -char corner_string[8][5] = { "UFR", "UFL", "UBL", "UBR", "DFR", "DFL", "DBL", "DBR" }; -char center_string[6][5] = { "U", "D", "R", "L", "F", "B" }; -char move_string[NMOVES][5] = { - "-", - "U", "U2", "U\'", "D", "D2", "D\'", "R", "R2", "R\'", - "L", "L2", "L\'", "F", "F2", "F\'", "B", "B2", "B\'", - "Uw", "Uw2", "Uw\'", "Dw", "Dw2", "Dw\'", "Rw", "Rw2", "Rw\'", - "Lw", "Lw2", "Lw\'", "Fw", "Fw2", "Fw\'", "Bw", "Bw2", "Bw\'", - "M", "M2", "M\'", "S", "S2", "S\'", "E", "E2", "E\'", - "x", "x2", "x\'", "y", "y2", "y\'", "z", "z2", "z\'", -}; - -int epe_solved[] = {FR, FL, BL, BR}; -int eps_solved[] = {UL, UR, DL, DR}; -int epm_solved[] = {UF, UB, DF, DB}; - -/**************************/ -/* Internal use functions */ -/**************************/ - -int cube_to_ep_array(Cube cube, int ep[12]) { - int epe[4], eps[4], epm[4]; - index_to_perm(cube.epose % factorial(4), 4, epe); - index_to_perm(cube.eposs % factorial(4), 4, eps); - index_to_perm(cube.eposm % factorial(4), 4, epm); - - int epose[12], eposs[12], eposm[12]; - index_to_subset(cube.epose / factorial(4), 12, 4, epose); - index_to_subset(cube.eposs / factorial(4), 12, 4, eposs); - index_to_subset(cube.eposm / factorial(4), 12, 4, eposm); - for (int i = 0; i < 4; i++) { - swap(&eposs[eps_solved[i]], &eposs[i+8]); - swap(&eposm[epm_solved[i]], &eposm[i+8]); - } - - for (int i = 0, ie = 0, is = 0, im = 0; i < 12; i++) { - if (epose[i]) ep[i] = epe_solved[epe[ie++]]; - if (eposs[i]) ep[i] = eps_solved[eps[is++]]; - if (eposm[i]) ep[i] = epm_solved[epm[im++]]; - } -} - -void cube_to_eofb_array(Cube cube, int eo[12]) { - int_to_sum_zero_array(cube.eofb, 2, 12, eo); -} - -void cube_to_eorl_array(Cube cube, int eo[12]) { - int_to_sum_zero_array(cube.eorl, 2, 12, eo); -} - -void cube_to_eoud_array(Cube cube, int eo[12]) { - int_to_sum_zero_array(cube.eoud, 2, 12, eo); -} - -void cube_to_cp_array(Cube cube, int cp[8]) { - index_to_perm(cube.cp, 8, cp); -} - -void cube_to_coud_array(Cube cube, int co[8]) { - int_to_sum_zero_array(cube.coud, 3, 8, co); -} - -void cube_to_cofb_array(Cube cube, int co[8]) { - int_to_sum_zero_array(cube.cofb, 3, 8, co); -} - -void cube_to_corl_array(Cube cube, int co[8]) { - int_to_sum_zero_array(cube.corl, 3, 8, co); -} - -void cube_to_centerpos_array(Cube cube, int centerpos[6]) { - index_to_perm(cube.centerpos, 6, centerpos); -} - -Cube ep_array_to_cube(int ep[12]) { - int epe[4], eps[4], epm[4]; - int epose[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - int eposs[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - int eposm[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - for (int i = 0, ie = 0, is = 0, im = 0; i < 12; i++) { - for (int j = 0; j < 4; j++) { - if (ep[i] == epe_solved[j]) { epe[ie++] = j; epose[i] = 1; } - if (ep[i] == eps_solved[j]) { eps[is++] = j; eposs[i] = 1; } - if (ep[i] == epm_solved[j]) { epm[im++] = j; eposm[i] = 1; } - } - } - for (int i = 0; i < 4; i++) { - swap(&eposs[eps_solved[i]], &eposs[i+8]); - swap(&eposm[epm_solved[i]], &eposm[i+8]); - } - return { .epose = factorial(4) * subset_to_index(epose, 12, 4) - + perm_to_index(epe, 4), - .eposs = factorial(4) * subset_to_index(eposs, 12, 4) - + perm_to_index(eps, 4), - .eposm = factorial(4) * subset_to_index(eposm, 12, 4) - + perm_to_index(epm, 4) }; -} - -Cube eofb_array_to_cube(int eo[12]) { - return { .eofb = digit_array_to_int(eo, 11, 2) }; -} - -Cube eorl_array_to_cube(int eo[12]) { - return { .eorl = digit_array_to_int(eo, 11, 2) }; -} - -Cube eoud_array_to_cube(int eo[12]) { - return { .eoud = digit_array_to_int(eo, 11, 2) }; -} - -Cube cp_array_to_cube(int cp[8]) { - return { .cp = perm_to_index(cp, 8) }; -} - -Cube coud_array_to_cube(int co[8]) { - return { .coud = digit_array_to_int(co, 7, 3) }; -} - -Cube cofb_array_to_cube(int co[8]) { - return { .cofb = digit_array_to_int(co, 7, 3) }; -} - -Cube corl_array_to_cube(int co[8]) { - return { .corl = digit_array_to_int(co, 7, 3) }; -} - -Cube centerpos_array_to_cube(int centerpos[6]) { - return { .centerpos = perm_to_index(centerpos, 6) }; -} - -Cube move_array(Cube cube, void (*cube_to_arr)(Cube, int *), - void (*arr_to_cube)(int *), - int *perm, int *orient, int n, int m) { - int arr[n]; - cube_to_arr(cube, arr); - apply_permutation(perm, arr, n); - sum_arrays_mod(arr, orient, n, m); - return arr_to_cube(arr); -} - -/***********************/ -/* Interface functions */ -/***********************/ - -Move inverse(Move m) { - if (m == NULLMOVE) - return m; - int mod = (m-1)%3; - Move base = m - mod; - return base + 2 - mod; -} - -void copy_alg(NissMove *src, NissMove *dest) { - for (int i = 0; src[i].m != NULLMOVE; i++) - dest[i] = src[i]; -} - -bool commute(Move m1, Move m2) { - return equal(apply_move(m2, apply_move(m1, {0})), - apply_move(m1, apply_move(m2, {0}))); -} - -bool equal(Cube c1, Cube c2) { - return c1.eofb == c2.eofb && c1.epose == c2.epose && - c1.eposs == c2.eposs && c1.eposm == c2.eposm && - c1.coud == c2.coud && c1.cp == c2.cp && - c1.centerpos == c2.centerpos; -} - -bool solvable(Cube cube) { - /* Since we memorize orientation truncating the last digit, we only need to - * check that the permutations have the correct sign. */ - /* TODO: add check that every integer is in range */ - int ep[12], cp[12], c[6]; - /* TODO: change to use cube-specific functions */ - cube_to_ep_array(cube, ep); - cube_to_cp_array(cube, 8, cp); - cube_to_centerpos_array(cube, 6, c); - return (perm_sign(ep, 12) ^ perm_sign(c, 6)) == perm_sign(cp, 8); -} - -bool is_solved(Cube cube) { - return (!cube.eofb && !cube.coud && !cube.cp && - !cube.epose && !cube.eposs && !cube.eposm && !cube.centerpos); -} - -char *to_string(Cube cube) { - int eo[12], co[8], ep[12], cp[8], cenpos[6]; - cube_to_eofb_array(cube, eo); - cube_to_coud_array(cube, co); - cube_to_ep_array(cube, ep); - cube_to_cp_array(cube, cp); - cube_to_centerpos_array(cube, cenpos); - - static char ret[1000]; - - for (int i = 0; i < 12; i++) { - strcat(ret, " "); - strcat(ret, edge_string[ep[i]]); - strcat(ret, " "); - } - strcat(ret, "\n"); - for (int i = 0; i < 12; i++) { - strcat(ret, " "); - char num[2] = { [0] = eo[i] + '0', [1] = 0 }; - strcat(ret, num); - strcat(ret, " "); - } - strcat(ret, "\n"); - for (int i = 0; i < 8; i++) { - strcat(ret, corner_string[cp[i]]); - strcat(ret, " "); - } - strcat(ret, "\n"); - for (int i = 0; i < 8; i++) { - strcat(ret, " "); - char num[2] = { [0] = co[i] + '0', [1] = 0 }; - strcat(ret, num); - strcat(ret, " "); - } - strcat(ret, "\n"); - for (int i = 0; i < 6; i++) { - strcat(ret, " "); - strcat(ret, center_string[cenpos[i]]); - strcat(ret, " "); - } - strcat(ret, "\n"); - - return ret; -} - -void init_ttables() { - FILE *ttf; - - if ((ttf = fopen("ttables", "rb")) != NULL) { - for (int m = 0; m < NMOVES; m++) { - fread(epose_ttable[m], sizeof(int), factorial12/factorial8, ttf); - fread(eposs_ttable[m], sizeof(int), factorial12/factorial8, ttf); - fread(eposm_ttable[m], sizeof(int), factorial12/factorial8, ttf); - fread(eofb_ttable[m], sizeof(int), pow2to11, ttf); - fread(eorl_ttable[m], sizeof(int), pow2to11, ttf); - fread(eoud_ttable[m], sizeof(int), pow2to11, ttf); - fread(cp_ttable[m], sizeof(int), factorial8, ttf); - fread(coud_ttable[m], sizeof(int), pow3to7, ttf); - fread(corl_ttable[m], sizeof(int), pow3to7, ttf); - fread(cofb_ttable[m], sizeof(int), pow3to7, ttf); - fread(centerpos_ttable[m], sizeof(int), factorial6, ttf); - } - fclose(ttf); - } else { - ttf = fopen("ttables", "wb"); - int empty[12] = {0,0,0,0,0,0,0,0,0,0,0,0}; - /* For each type of pieces only the effects of U, x and y are described */ - int edge_cycle[NMOVES][12] = { - [U] = {UR, UF, UL, UB, DF, DL, DB, DR, FR, FL, BL, BR}, - [X] = {DF, FL, UF, FR, DB, BL, UB, BR, DR, DL, UL, UR}, - [Y] = {UR, UF, UL, UB, DR, DF, DL, DB, BR, FR, FL, BL}, - }; - int eofb_flipped[NMOVES][12] = { - [X] = { [UF] = 1, [UB] = 1, [DF] = 1, [DB] = 1 }, - [Y] = { [FR] = 1, [FL] = 1, [BL] = 1, [BR] = 1 }, - }; - int eorl_flipped[NMOVES][12] = { - [X] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - [Y] = { [FR] = 1, [FL] = 1, [BL] = 1, [BR] = 1 }, - }; - int eoud_flipped[NMOVES][12] = { - [U] = { [UF] = 1, [UL] = 1, [UB] = 1, [UR] = 1 }, - [X] = { [UF] = 1, [UB] = 1, [DF] = 1, [DB] = 1 }, - [Y] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - }; - int corner_cycle[NMOVES][8] = { - [U] = {UBR, UFR, UFL, UBL, DFR, DFL, DBL, DBR}, - [X] = {DFR, DFL, UFL, UFR, DBR, DBL, UBL, UBR}, - [Y] = {UBR, UFR, UFL, UBL, DBR, DFR, DFL, DBL}, - }; - int coud_flipped[NMOVES][8] = { - [X] = {[UFR]=2,[UBR]=1,[DBR]=2,[DFR]=1,[UFL]=1,[UBL]=2,[DBL]=1,[DFL]=2}, - }; - int corl_flipped[NMOVES][8] = { - [U] = { [UFR] = 1, [UBR] = 2, [UBL] = 1, [UFL] = 2 }, - [Y] = {[UFR]=1,[UBR]=2,[UBL]=1,[UFL]=2,[DFR]=2,[DBR]=1,[DBL]=2,[DFL]=1}, - }; - int cofb_flipped[NMOVES][8] = { - [U] = { [UFR] = 2, [UBR] = 1, [UBL] = 2, [UFL] = 1 }, - [X] = {[UFR]=1,[UBR]=2,[DFR]=2,[DBR]=1,[UBL]=2,[UFL]=1,[DBL]=1,[DFL]=2}, - [Y] = {[UFR]=2,[UBR]=1,[UBL]=2,[UFL]=1,[DFR]=1,[DBR]=2,[DBL]=1,[DFL]=2}, - }; - int center_cycle[NMOVES][6] = { - [X] = {F_center, B_center, R_center, L_center, D_center, U_center}, - [Y] = {U_center, D_center, B_center, F_center, R_center, L_center}, - }; - - /* Each move is reduced to a combination of U, x and y using this table */ - Move equiv_moves[NMOVES][13] = { - [U] = { U, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [U2] = { U, U, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [U3] = { U, U, U, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [D] = { X, X, U, X, X, 0, 0, 0, 0, 0, 0, 0, 0 }, - [D2] = { X, X, U, U, X, X, 0, 0, 0, 0, 0, 0, 0 }, - [D3] = { X, X, U, U, U, X, X, 0, 0, 0, 0, 0, 0 }, - [R] = { Y, X, U, X, X, X, Y, Y, Y, 0, 0, 0, 0 }, - [R2] = { Y, X, U, U, X, X, X, Y, Y, Y, 0, 0, 0 }, - [R3] = { Y, X, U, U, U, X, X, X, Y, Y, Y, 0, 0 }, - [L] = { Y, Y, Y, X, U, X, X, X, Y, 0, 0, 0, 0 }, - [L2] = { Y, Y, Y, X, U, U, X, X, X, Y, 0, 0, 0 }, - [L3] = { Y, Y, Y, X, U, U, U, X, X, X, Y, 0, 0 }, - [F] = { X, U, X, X, X, 0, 0, 0, 0, 0, 0, 0, 0 }, - [F2] = { X, U, U, X, X, X, 0, 0, 0, 0, 0, 0, 0 }, - [F3] = { X, U, U, U, X, X, X, 0, 0, 0, 0, 0, 0 }, - [B] = { X, X, X, U, X, 0, 0, 0, 0, 0, 0, 0, 0 }, - [B2] = { X, X, X, U, U, X, 0, 0, 0, 0, 0, 0, 0 }, - [B3] = { X, X, X, U, U, U, X, 0, 0, 0, 0, 0, 0 }, - - [Uw] = { X, X, U, X, X, Y, 0, 0, 0, 0, 0, 0, 0 }, - [Uw2] = { X, X, U, U, X, X, Y, Y, 0, 0, 0, 0, 0 }, - [Uw3] = { X, X, U, U, U, X, X, Y, Y, Y, 0, 0, 0 }, - [Dw] = { U, Y, Y, Y, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Dw2] = { U, U, Y, Y, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Dw3] = { U, U, U, Y, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Rw] = { Y, Y, Y, X, U, X, X, X, Y, X, 0, 0, 0 }, - [Rw2] = { Y, Y, Y, X, U, U, X, X, X, Y, X, X, 0 }, - [Rw3] = { Y, Y, Y, X, U, U, U, Y, X, X, X, Y, 0 }, - [Lw] = { Y, X, U, X, X, X, Y, Y, Y, X, X, X, 0 }, - [Lw2] = { Y, X, U, U, X, X, X, Y, Y, Y, X, X, 0 }, - [Lw3] = { Y, X, U, U, U, X, X, X, Y, Y, Y, X, 0 }, - [Fw] = { X, X, X, U, Y, Y, Y, X, 0, 0, 0, 0, 0 }, - [Fw2] = { X, X, X, U, U, Y, Y, X, 0, 0, 0, 0, 0 }, - [Fw3] = { X, X, X, U, U, U, Y, X, 0, 0, 0, 0, 0 }, - [Bw] = { X, U, Y, Y, Y, X, X, X, 0, 0, 0, 0, 0 }, - [Bw2] = { X, U, U, Y, Y, X, X, X, 0, 0, 0, 0, 0 }, - [Bw3] = { X, U, U, U, Y, X, X, X, 0, 0, 0, 0, 0 }, - - [M] = { Y, X, U, X, X, U, U, U, Y, X, Y, Y, Y }, - [M2] = { Y, X, U, U, X, X, U, U, X, X, X, Y, 0 }, - [M3] = { Y, X, U, U, U, X, X, U, Y, X, X, X, Y }, - [S] = { X, U, U, U, X, X, U, Y, Y, Y, X, 0, 0 }, - [S2] = { X, U, U, X, X, U, U, Y, Y, X, 0, 0, 0 }, - [S3] = { X, U, X, X, U, U, U, Y, X, 0, 0, 0, 0 }, - [E] = { U, X, X, U, U, U, X, X, Y, Y, Y, 0, 0 }, - [E2] = { U, U, X, X, U, U, X, X, Y, Y, 0, 0, 0 }, - [E3] = { U, U, U, X, X, U, X, X, Y, 0, 0, 0, 0 }, - - [X] = { X, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [X2] = { X, X, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [X3] = { X, X, X, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Y] = { Y, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Y2] = { Y, Y, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Y3] = { Y, Y, Y, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Z] = { Y, Y, Y, X, Y, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Z2] = { Y, Y, X, X, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - [Z3] = { Y, X, Y, Y, Y, 0, 0, 0, 0, 0, 0, 0, 0 }, - }; - - /* Generate all move cycles and flips */ - for (int i = 0; i < NMOVES; i++) { - if (i == U || i == X || i == Y) - continue; - - Cube cube = {0}; - - cube_to_ep_array(&cube, edge_cycle[i]); - cube_to_eofb_array(&cube, eofb_flipped[i]); - cube_to_eorl_array(&cube, eorl_flipped[i]); - cube_to_eoud_array(&cube, eoud_flipped[i]); - cube_to_cp_array(&cube, corner_cycle[i]); - cube_to_coud_array(&cube, coud_flipped[i]); - cube_to_cofb_array(&cube, cofb_flipped[i]); - cube_to_corl_array(&cube, corl_flipped[i]); - cube_to_centerpos_array(&cube, center_cycle[i]); - - for (int j = 0; equiv_moves[i][j]; j++) { - int m = equiv_moves[i][j]; - - apply_permutation(edge_cycle[m], edge_cycle[i], 12); - apply_permutation(edge_cycle[m], eofb_flipped[i], 12); - apply_permutation(edge_cycle[m], eorl_flipped[i], 12); - apply_permutation(edge_cycle[m], eoud_flipped[i], 12); - - sum_arrays_mod(eofb_flipped[i], eofb_flipped[m], 12, 2); - sum_arrays_mod(eorl_flipped[i], eorl_flipped[m], 12, 2); - sum_arrays_mod(eoud_flipped[i], eoud_flipped[m], 12, 2); - - apply_permutation(corner_cycle[m], corner_cycle[i], 8); - apply_permutation(corner_cycle[m], coud_flipped[i], 8); - apply_permutation(corner_cycle[m], cofb_flipped[i], 8); - apply_permutation(corner_cycle[m], corl_flipped[i], 8); - - sum_arrays_mod(coud_flipped[i], coud_flipped[m], 8, 3); - sum_arrays_mod(corl_flipped[i], corl_flipped[m], 8, 3); - sum_arrays_mod(cofb_flipped[i], cofb_flipped[m], 8, 3); - - apply_permutation(center_cycle[m], center_cycle[i], 6); - } - } - - /* Initialize transition tables */ - for (int m = 0; m < NMOVES; m++) { - for (int i = 0; i < factorial12/factorial8; i++) { - Cube cube = { .epose = i }; - move_array(&cube, cube_to_ep_array, ep_array_to_cube, - edge_cycle[m], empty, 12, 1); - epose_ttable[m][i] = cube.epose; - cube.eposs = i; - move_array(&cube, cube_to_ep_array, ep_array_to_cube, - edge_cycle[m], empty, 12, 1); - eposs_ttable[m][i] = cube.eposs; - cube.eposm = i; - move_array(&cube, cube_to_ep_array, ep_array_to_cube, - edge_cycle[m], empty, 12, 1); - eposm_ttable[m][i] = cube.eposm; - } - for (int i = 0; i < pow2to11; i++ ) { - Cube cube = { .eofb = i, .eorl = i, .eoud = i }; - move_array(&cube, cube_to_eofb_array, eofb_array_to_cube, - edge_cycle[m], eofb_flipped[m], 12, 2); - move_array(&cube, cube_to_eorl_array, eorl_array_to_cube, - edge_cycle[m], eorl_flipped[m], 12, 2); - move_array(&cube, cube_to_eoud_array, eoud_array_to_cube, - edge_cycle[m], eoud_flipped[m], 12, 2); - eofb_ttable[m][i] = cube.eofb; - eorl_ttable[m][i] = cube.eorl; - eoud_ttable[m][i] = cube.eoud; - } - for (int i = 0; i < factorial8; i++) { - /* TODO: Maybe do this by hand to optimize? */ - Cube cube = { .cp = i }; - move_array(&cube, cube_to_cp_array, ep_array_to_cube, - corner_cycle[m], empty, 8, 1); - cp_ttable[m][i] = cube.cp; - } - for (int i = 0; i < pow3to7; i++) { - Cube cube = { .coud = i, .corl = i, .cofb = i }; - move_array(&cube, cube_to_coud_array, coud_array_to_cube, - corner_cycle[m], coud_flipped[m], 8, 3); - move_array(&cube, cube_to_corl_array, corl_array_to_cube, - corner_cycle[m], corl_flipped[m], 8, 3); - move_array(&cube, cube_to_cofb_array, cofb_array_to_cube, - corner_cycle[m], cofb_flipped[m], 8, 3); - coud_ttable[m][i] = cube.coud; - corl_ttable[m][i] = cube.corl; - cofb_ttable[m][i] = cube.cofb; - } - for (int i = 0; i < factorial6; i++) { - Cube cube = { .centerpos = i }; - move_array(&cube, cube_to_centerpos_array, centerpos_array_to_cube, - center_cycle[m], empty, 6, 1); - centerpos_ttable[m][i] = cube.centerpos; - } - fwrite(epose_ttable[m], sizeof(int), factorial12/factorial8, ttf); - fwrite(eposs_ttable[m], sizeof(int), factorial12/factorial8, ttf); - fwrite(eposm_ttable[m], sizeof(int), factorial12/factorial8, ttf); - fwrite(eofb_ttable[m], sizeof(int), pow2to11, ttf); - fwrite(eorl_ttable[m], sizeof(int), pow2to11, ttf); - fwrite(eoud_ttable[m], sizeof(int), pow2to11, ttf); - fwrite(cp_ttable[m], sizeof(int), factorial8, ttf); - fwrite(coud_ttable[m], sizeof(int), pow3to7, ttf); - fwrite(corl_ttable[m], sizeof(int), pow3to7, ttf); - fwrite(cofb_ttable[m], sizeof(int), pow3to7, ttf); - fwrite(centerpos_ttable[m], sizeof(int), factorial6, ttf); - } - fclose(ttf); - } -} - -Cube apply_move(Move m, Cube cube) { - Cube moved = cube; - - moved.eofb = eofb_ttable[m][cube.eofb]; - moved.eorl = eorl_ttable[m][cube.eorl]; - moved.eoud = eoud_ttable[m][cube.eoud]; - moved.coud = coud_ttable[m][cube.coud]; - moved.cofb = cofb_ttable[m][cube.cofb]; - moved.corl = corl_ttable[m][cube.corl]; - moved.epose = epose_ttable[m][cube.epose]; - moved.eposs = eposs_ttable[m][cube.eposs]; - moved.eposm = eposm_ttable[m][cube.eposm]; - moved.cp = cp_ttable[m][cube.cp]; - moved.centerpos = centerpos_ttable[m][cube.centerpos]; - - return moved; -} diff --git a/old/2020-unknown-date/cubeutils.c b/old/2020-unknown-date/cubeutils.c deleted file mode 100644 index 4f0a060..0000000 --- a/old/2020-unknown-date/cubeutils.c +++ /dev/null @@ -1,100 +0,0 @@ -#include -#include "utils.h" -#include "pieces.h" -#include "cubeutils.h" - -int epe_solved[] = {FR, FL, BL, BR}; -int eps_solved[] = {UL, UR, DL, DR}; -int epm_solved[] = {UF, UB, DF, DB}; - -void cube_to_ep_array(Cube *cube, int ep[12]) { - int epe[4], eps[4], epm[4]; - index_to_perm(cube->epose % factorial(4), 4, epe); - index_to_perm(cube->eposs % factorial(4), 4, eps); - index_to_perm(cube->eposm % factorial(4), 4, epm); - - int epose[12], eposs[12], eposm[12]; - index_to_subset(cube->epose / factorial(4), 12, 4, epose); - index_to_subset(cube->eposs / factorial(4), 12, 4, eposs); - index_to_subset(cube->eposm / factorial(4), 12, 4, eposm); - for (int i = 0; i < 4; i++) { - swap(&eposs[eps_solved[i]], &eposs[i+8]); - swap(&eposm[epm_solved[i]], &eposm[i+8]); - } - - for (int i = 0, ie = 0, is = 0, im = 0; i < 12; i++) { - if (epose[i]) ep[i] = epe_solved[epe[ie++]]; - if (eposs[i]) ep[i] = eps_solved[eps[is++]]; - if (eposm[i]) ep[i] = epm_solved[epm[im++]]; - } -} - -void ep_array_to_epos(int ep[12], Cube *cube) { - int epe[4], eps[4], epm[4]; - int epose[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - int eposs[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - int eposm[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - for (int i = 0, ie = 0, is = 0, im = 0; i < 12; i++) { - for (int j = 0; j < 4; j++) { - if (ep[i] == epe_solved[j]) { epe[ie++] = j; epose[i] = 1; } - if (ep[i] == eps_solved[j]) { eps[is++] = j; eposs[i] = 1; } - if (ep[i] == epm_solved[j]) { epm[im++] = j; eposm[i] = 1; } - } - } - for (int i = 0; i < 4; i++) { - swap(&eposs[eps_solved[i]], &eposs[i+8]); - swap(&eposm[epm_solved[i]], &eposm[i+8]); - } - cube->epose = factorial(4) * subset_to_index(epose, 12, 4) - + perm_to_index(epe, 4); - cube->eposs = factorial(4) * subset_to_index(eposs, 12, 4) - + perm_to_index(eps, 4); - cube->eposm = factorial(4) * subset_to_index(eposm, 12, 4) - + perm_to_index(epm, 4); -} - -bool solvable(Cube *cube) { - /* Since we memorize orientation truncating the last digit, we only need to - * check that the permutations have the correct sign. */ - /* TODO: add check that every integer is in range */ - int ep[12], cp[12], c[6]; - cube_to_ep_array(cube, ep); - index_to_perm(cube->cp, 8, cp); - index_to_perm(cube->centerpos, 6, c); - return (perm_sign(ep, 12) ^ perm_sign(c, 6)) == perm_sign(cp, 8); -} - -Cube *solved_cube() { - static Cube cube = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - return &cube; -} - -bool solved(Cube *cube) { - return (cube->eofb == 0 && cube->coud == 0 && cube->cp == 0 && - cube->epose == 0 && cube->eposs == 0 && cube->eposm == 0 && - cube->centerpos == 0); -} - -char *to_string(Cube *cube) { - int eo[12], co[8], ep[12], cp[8], cenpos[6]; - cube_to_eofb_array(cube->eofb, eo); - cube_to_coud_array(cube->coud, co); - cube_to_ep_array(cube, ep); - cube_to_cp_array(cube->cp, cp); - cube_to_centerpos_array(cube->centerpos, cenpos); - - char *ret[1000]; - - for (int i = 0; i < 12; i++) sprintf(ret, " %s ", edge_string[ep[i]]); - sprintf(ret, "\n"); - for (int i = 0; i < 12; i++) sprintf(ret, " %d ", eo[i]); - sprintf(ret, "\n"); - for (int i = 0; i < 8; i++) sprintf(ret, "%s ", corner_string[cp[i]]); - sprintf(ret, "\n"); - for (int i = 0; i < 8; i++) sprintf(ret, " %d ", co[i]); - sprintf(ret, "\n"); - for (int i = 0; i < 6; i++) sprintf(ret, " %s ", center_string[cenpos[i]]); - sprintf(ret, "\n"); - - return ret; -} diff --git a/old/2020-unknown-date/cubeutils.h b/old/2020-unknown-date/cubeutils.h deleted file mode 100644 index b24291c..0000000 --- a/old/2020-unknown-date/cubeutils.h +++ /dev/null @@ -1,18 +0,0 @@ -/* Cube-specific utility functions */ - -#ifndef CUBEUTILS_H -#define CUBEUTILS_H - -#include -#include "pieces.h" - -void cube_to_ep_array(Cube *cube, int ep[12]); -void ep_array_to_epos(int ep[12], Cube *cube); - -Cube *solved_cube(); -bool solvable(Cube *cube); -bool solved(Cube *cube); - -void print(Cube *cube); - -#endif diff --git a/old/2020-unknown-date/moves.c b/old/2020-unknown-date/moves.c deleted file mode 100644 index de293ed..0000000 --- a/old/2020-unknown-date/moves.c +++ /dev/null @@ -1,57 +0,0 @@ -#include -#include "pieces.h" -#include "moves.h" -#include "utils.h" - -/* Transition tables */ -int eofb_ttable[pow2to11][NULLMOVE]; -int eorl_ttable[pow2to11][NULLMOVE]; -int eoud_ttable[pow2to11][NULLMOVE]; -int coud_ttable[pow3to7][NULLMOVE]; -int cofb_ttable[pow3to7][NULLMOVE]; -int corl_ttable[pow3to7][NULLMOVE]; -int epose_ttable[factorial12/factorial8][NULLMOVE]; -int eposs_ttable[factorial12/factorial8][NULLMOVE]; -int eposm_ttable[factorial12/factorial8][NULLMOVE]; -int cp_ttable[factorial8][NULLMOVE]; -int centerpos_ttable[factorial6][NULLMOVE]; - -void apply_move_ep(Move m, int a[12]) { - int aux[12]; - intarrcopy(a, aux, 12); - for (int i = 0; i < 12; i++) - a[i] = aux[edge_cycle[m][i]]; -} - -void apply_move_cp(Move m, int a[8]) { - int aux[8]; - intarrcopy(a, aux, 8); - for (int i = 0; i < 8; i++) - a[i] = aux[corner_cycle[m][i]]; -} - -void apply_move_centerpos(Move m, int a[6]) { - int aux[6]; - intarrcopy(a, aux, 6); - for (int i = 0; i < 6; i++) - a[i] = aux[center_cycle[m][i]]; -} - -void init_ttables() { - /* TODO */ -} - -void apply_move(Move m, Cube *cube) { - cube->eofb = eofb_ttable[cube->eofb][m]; - cube->eorl = eorl_ttable[cube->eorl][m]; - cube->eoud = eoud_ttable[cube->eoud][m]; - cube->coud = coud_ttable[cube->coud][m]; - cube->cofb = cofb_ttable[cube->cofb][m]; - cube->corl = corl_ttable[cube->corl][m]; - cube->epose = epose_ttable[cube->epose][m]; - cube->eposs = eposs_ttable[cube->eposs][m]; - cube->eposm = eposm_ttable[cube->eposm][m]; - cube->cp = cp_ttable[cube->cp][m]; - cube->centerpos = centerpos_ttable[cube->centerpos][m]; -} - diff --git a/old/2020-unknown-date/moves.h b/old/2020-unknown-date/moves.h deleted file mode 100644 index 605f335..0000000 --- a/old/2020-unknown-date/moves.h +++ /dev/null @@ -1,9 +0,0 @@ -/* Moves and transition tables */ - -#ifndef MOVES_H -#define MOVES_H - -void apply_move(Move m, Cube *cube); -void init_ttables(); - -#endif diff --git a/old/2020-unknown-date/pieces.c b/old/2020-unknown-date/pieces.c deleted file mode 100644 index d782c89..0000000 --- a/old/2020-unknown-date/pieces.c +++ /dev/null @@ -1,208 +0,0 @@ -#include "pieces.h" - -char edge_string[12][5] = { - "UF", "UL", "UB", "UR", "DF", "DL", "DB", "DR", "FR", "FL", "BL", "BR" -}; - -char corner_string[8][5] = { - "UFR", "UFL", "UBL", "UBR", "DFR", "DFL", "DBL", "DBR" -}; - -char center_string[6][5] = { "U", "D", "R", "L", "F", "B" }; - -char move_string[NULLMOVE+1][5] = { - "U", "U2", "U\'", "D", "D2", "D\'", "R", "R2", "R\'", - "L", "L2", "L\'", "F", "F2", "F\'", "B", "B2", "B\'", - "Uw", "Uw2", "Uw\'", "Dw", "Dw2", "Dw\'", "Rw", "Rw2", "Rw\'", - "Lw", "Lw2", "Lw\'", "Fw", "Fw2", "Fw\'", "Bw", "Bw2", "Bw\'", - "M", "M2", "M\'", "S", "S2", "S\'", "E", "E2", "E\'", - "x", "x2", "x\'", "y", "y2", "y\'", "z", "z2", "z\'", - "-" -}; - -int edge_cycle[NULLMOVE+1][12] = { - [U] = {UR, UF, UL, UB, DF, DL, DB, DR, FR, FL, BL, BR}, - [U2] = {UB, UR, UF, UL, DF, DL, DB, DR, FR, FL, BL, BR}, - [U3] = {UL, UB, UR, UF, DF, DL, DB, DR, FR, FL, BL, BR}, - [D] = {UF, UL, UB, UR, DL, DB, DR, DF, FR, FL, BL, BR}, - [D2] = {UF, UL, UB, UR, DB, DR, DF, DL, FR, FL, BL, BR}, - [D3] = {UF, UL, UB, UR, DR, DF, DL, DB, FR, FL, BL, BR}, - [R] = {UF, UL, UB, FR, DF, DL, DB, BR, DR, FL, BL, UR}, - [R2] = {UF, UL, UB, DR, DF, DL, DB, UR, BR, FL, BL, FR}, - [R3] = {UF, UL, UB, BR, DF, DL, DB, FR, UR, FL, BL, DR}, - [L] = {UF, BL, UB, UR, DF, FL, DB, DR, FR, UL, DL, BR}, - [L2] = {UF, DL, UB, UR, DF, UL, DB, DR, FR, BL, FL, BR}, - [L3] = {UF, FL, UB, UR, DF, BL, DB, DR, FR, DL, UL, BR}, - [F] = {FL, UL, UB, UR, FR, DL, DB, DR, UF, DF, BL, BR}, - [F2] = {DF, UL, UB, UR, UF, DL, DB, DR, FL, FR, BL, BR}, - [F3] = {FR, UL, UB, UR, FL, DL, DB, DR, DF, UF, BL, BR}, - [B] = {UF, UL, BR, UR, DF, DL, BL, DR, FR, FL, UB, DB}, - [B2] = {UF, UL, DB, UR, DF, DL, UB, DR, FR, FL, BR, BL}, - [B3] = {UF, UL, BL, UR, DF, DL, BR, DR, FR, FL, DB, UB}, - - [Uw] = {UR, UF, UL, UB, DF, DL, DB, DR, BR, FR, FL, BL}, - [Uw2] = {UB, UR, UF, UL, DF, DL, DB, DR, BL, BR, FR, FL}, - [Uw3] = {UL, UB, UR, UF, DF, DL, DB, DR, FL, BL, BR, FR}, - [Dw] = {UF, UL, UB, UR, DL, DB, DR, DF, FL, BL, BR, FR}, - [Dw2] = {UF, UL, UB, UR, DB, DR, DF, DL, BL, BR, FR, FL}, - [Dw3] = {UF, UL, UB, UR, DR, DF, DL, DB, BR, FR, FL, BL}, - [Rw] = {DF, UL, UF, FR, DB, DL, UB, BR, DR, FL, BL, UR}, - [Rw2] = {DB, UL, DF, DR, UB, DL, UF, UR, BR, FL, BL, FR}, - [Rw3] = {UB, UL, DB, BR, UF, DL, DF, FR, UR, FL, BL, DR}, - [Lw] = {UB, BL, DB, UR, UF, FL, DF, DR, FR, UL, DL, BR}, - [Lw2] = {DB, DL, DF, UR, UB, UL, UF, DR, FR, BL, FL, BR}, - [Lw3] = {DF, FL, UF, UR, DB, BL, UB, DR, FR, DL, UL, BR}, - [Fw] = {FL, DL, UB, UL, FR, DR, DB, UR, UF, DF, BL, BR}, - [Fw2] = {DF, DR, UB, DL, UF, UR, DB, UL, FL, FR, BL, BR}, - [Fw3] = {FR, UR, UB, DR, FL, UL, DB, DL, DF, UF, BL, BR}, - [Bw] = {UF, UR, BR, DR, DF, UL, BL, DL, FR, FL, UB, DB}, - [Bw2] = {UF, DR, DB, DL, DF, UR, UB, UL, FR, FL, BR, BL}, - [Bw3] = {UF, DL, BL, UL, DF, DR, BR, UR, FR, FL, DB, UB}, - - [M] = {UB, UL, DB, UR, UF, DL, DF, DR, FR, FL, BL, BR}, - [M2] = {DB, UL, DF, UR, UB, DL, UF, DR, FR, FL, BL, BR}, - [M3] = {DF, UL, UF, UR, DB, DL, UB, DR, FR, FL, BL, BR}, - [S] = {UF, DL, UB, UL, DF, DR, DB, UR, FR, FL, BL, BR}, - [S2] = {UF, DR, UB, DL, DF, UR, DB, UL, FR, FL, BL, BR}, - [S3] = {UF, UR, UB, DR, DF, UL, DB, DL, FR, FL, BL, BR}, - [E] = {UF, UL, UB, UR, DF, DL, DB, DR, FL, BL, BR, FR}, - [E2] = {UF, UL, UB, UR, DF, DL, DB, DR, BL, BR, FR, FL}, - [E3] = {UF, UL, UB, UR, DF, DL, DB, DR, BR, FR, FL, BL}, - - [X] = {DF, FL, UF, FR, DB, BL, UB, BR, DR, DL, UL, UR}, - [X2] = {DB, DL, DF, DR, UB, UL, UF, UR, BR, BL, FL, FR}, - [X3] = {UB, BL, DB, BR, UF, FL, DF, FR, UR, UL, DL, DR}, - [Y] = {UR, UF, UL, UB, DR, DF, DL, DB, BR, FR, FL, BL}, - [Y2] = {UB, UR, UF, UL, DB, DR, DF, DL, BL, BR, FR, FL}, - [Y3] = {UL, UB, UR, UF, DL, DB, DR, DF, FL, BL, BR, FR}, - [Z] = {FL, DL, BL, UL, FR, DR, BR, UR, UF, DF, DB, UB}, - [Z2] = {DF, DR, DB, DL, UF, UR, UB, UL, FL, FR, BR, BL}, - [Z3] = {FR, UR, BR, DR, FL, UL, BL, DL, DF, UF, UB, DB}, - - [NULLMOVE] = {UF, UL, UB, UR, DF, DL, DB, DR, FR, FL, BL, BR}, -}; - -int corner_cycle[NULLMOVE+1][8] = { - [U] = {UBR, UFR, UFL, UBL, DFR, DFL, DBL, DBR}, - [U2] = {UBL, UBR, UFR, UFL, DFR, DFL, DBL, DBR}, - [U3] = {UFL, UBL, UBR, UFR, DFR, DFL, DBL, DBR}, - [D] = {UFR, UFL, UBL, UBR, DFL, DBL, DBR, DFR}, - [D2] = {UFR, UFL, UBL, UBR, DBL, DBR, DFR, DFL}, - [D3] = {UFR, UFL, UBL, UBR, DBR, DFR, DFL, DBL}, - [R] = {DFR, UFL, UBL, UFR, DBR, DFL, DBL, UBR}, - [R2] = {DBR, UFL, UBL, DFR, UBR, DFL, DBL, UFR}, - [R3] = {UBR, UFL, UBL, DBR, UFR, DFL, DBL, DFR}, - [L] = {UFR, UBL, DBL, UBR, DFR, UFL, DFL, DBR}, - [L2] = {UFR, DBL, DFL, UBR, DFR, UBL, UFL, DBR}, - [L3] = {UFR, DFL, UFL, UBR, DFR, DBL, UBL, DBR}, - [F] = {UFL, DFL, UBL, UBR, UFR, DFR, DBL, DBR}, - [F2] = {DFL, DFR, UBL, UBR, UFL, UFR, DBL, DBR}, - [F3] = {DFR, UFR, UBL, UBR, DFL, UFL, DBL, DBR}, - [B] = {UFR, UFL, UBR, DBR, DFR, DFL, UBL, DBL}, - [B2] = {UFR, UFL, DBR, DBL, DFR, DFL, UBR, UBL}, - [B3] = {UFR, UFL, DBL, UBL, DFR, DFL, DBR, UBR}, - - [Uw] = {UBR, UFR, UFL, UBL, DFR, DFL, DBL, DBR}, - [Uw2] = {UBL, UBR, UFR, UFL, DFR, DFL, DBL, DBR}, - [Uw3] = {UFL, UBL, UBR, UFR, DFR, DFL, DBL, DBR}, - [Dw] = {UFR, UFL, UBL, UBR, DFL, DBL, DBR, DFR}, - [Dw2] = {UFR, UFL, UBL, UBR, DBL, DBR, DFR, DFL}, - [Dw3] = {UFR, UFL, UBL, UBR, DBR, DFR, DFL, DBL}, - [Rw] = {DFR, UFL, UBL, UFR, DBR, DFL, DBL, UBR}, - [Rw2] = {DBR, UFL, UBL, DFR, UBR, DFL, DBL, UFR}, - [Rw3] = {UBR, UFL, UBL, DBR, UFR, DFL, DBL, DFR}, - [Lw] = {UFR, UBL, DBL, UBR, DFR, UFL, DFL, DBR}, - [Lw2] = {UFR, DBL, DFL, UBR, DFR, UBL, UFL, DBR}, - [Lw3] = {UFR, DFL, UFL, UBR, DFR, DBL, UBL, DBR}, - [Fw] = {UFL, DFL, UBL, UBR, UFR, DFR, DBL, DBR}, - [Fw2] = {DFL, DFR, UBL, UBR, UFL, UFR, DBL, DBR}, - [Fw3] = {DFR, UFR, UBL, UBR, DFL, UFL, DBL, DBR}, - [Bw] = {UFR, UFL, UBR, DBR, DFR, DFL, UBL, DBL}, - [Bw2] = {UFR, UFL, DBR, DBL, DFR, DFL, UBR, UBL}, - [Bw3] = {UFR, UFL, DBL, UBL, DFR, DFL, DBR, UBR}, - - [M] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - [M2] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - [M3] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - [S] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - [S2] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - [S3] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - [E] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - [E2] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - [E3] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, - - [X] = {DFR, DFL, UFL, UFR, DBR, DBL, UBL, UBR}, - [X2] = {DBR, DBL, DFL, DFR, UBR, UBL, UFL, UFR}, - [X3] = {UBR, UBL, DBL, DBR, UFR, UFL, DFL, DFR}, - [Y] = {UBR, UFR, UFL, UBL, DBR, DFR, DFL, DBL}, - [Y2] = {UBL, UBR, UFR, UFL, DBL, DBR, DFR, DFL}, - [Y3] = {UFL, UBL, UBR, UFR, DFL, DBL, DBR, DFR}, - [Z] = {UFL, DFL, DBL, UBL, UFR, DFR, DBR, UBR}, - [Z2] = {DFL, DFR, DBR, DBL, UFL, UFR, UBR, UBL}, - [Z3] = {DFR, UFR, UBR, DBR, DFL, UFL, UBL, DBL}, - - [NULLMOVE] = {UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR}, -}; - -int center_cycle[NULLMOVE+1][6] = { - [U] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [U2] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [U3] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [D] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [D2] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [D3] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [R] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [R2] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [R3] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [L] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [L2] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [L3] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [F] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [F2] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [F3] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [B] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [B2] = {U_center, D_center, R_center, L_center, F_center, B_center}, - [B3] = {U_center, D_center, R_center, L_center, F_center, B_center}, - - [Uw] = {U_center, D_center, B_center, F_center, R_center, L_center}, - [Uw2] = {U_center, D_center, L_center, R_center, B_center, F_center}, - [Uw3] = {U_center, D_center, F_center, B_center, L_center, R_center}, - [Dw] = {U_center, D_center, F_center, B_center, L_center, R_center}, - [Dw2] = {U_center, D_center, L_center, R_center, B_center, F_center}, - [Dw3] = {U_center, D_center, B_center, F_center, R_center, L_center}, - [Rw] = {F_center, B_center, R_center, L_center, D_center, U_center}, - [Rw2] = {D_center, U_center, R_center, L_center, B_center, F_center}, - [Rw3] = {B_center, F_center, R_center, L_center, U_center, D_center}, - [Lw] = {B_center, F_center, R_center, L_center, U_center, D_center}, - [Lw2] = {D_center, U_center, R_center, L_center, B_center, F_center}, - [Lw3] = {F_center, B_center, R_center, L_center, D_center, U_center}, - [Fw] = {L_center, R_center, U_center, D_center, F_center, B_center}, - [Fw2] = {D_center, U_center, L_center, R_center, F_center, B_center}, - [Fw3] = {R_center, L_center, D_center, U_center, F_center, B_center}, - [Bw] = {R_center, L_center, D_center, U_center, F_center, B_center}, - [Bw2] = {D_center, U_center, L_center, R_center, F_center, B_center}, - [Bw3] = {L_center, R_center, U_center, D_center, F_center, B_center}, - - [X] = {F_center, B_center, R_center, L_center, D_center, U_center}, - [X2] = {D_center, U_center, R_center, L_center, B_center, F_center}, - [X3] = {B_center, F_center, R_center, L_center, U_center, D_center}, - [Y] = {U_center, D_center, B_center, F_center, R_center, L_center}, - [Y2] = {U_center, D_center, L_center, R_center, B_center, F_center}, - [Y3] = {U_center, D_center, F_center, B_center, L_center, R_center}, - [Z] = {L_center, R_center, U_center, D_center, F_center, B_center}, - [Z2] = {D_center, U_center, L_center, R_center, F_center, B_center}, - [Z3] = {R_center, L_center, D_center, U_center, F_center, B_center}, - - [M] = {B_center, F_center, R_center, L_center, U_center, D_center}, - [M2] = {D_center, U_center, R_center, L_center, B_center, F_center}, - [M3] = {F_center, B_center, R_center, L_center, D_center, U_center}, - [E] = {U_center, D_center, F_center, B_center, L_center, R_center}, - [E2] = {U_center, D_center, L_center, R_center, B_center, F_center}, - [E3] = {U_center, D_center, B_center, F_center, R_center, L_center}, - [S] = {L_center, R_center, U_center, D_center, F_center, B_center}, - [S2] = {D_center, U_center, L_center, R_center, F_center, B_center}, - [S3] = {R_center, L_center, D_center, U_center, F_center, B_center}, - - [NULLMOVE] = {U_center, D_center, R_center, L_center, F_center, B_center}, -}; - diff --git a/old/2020-unknown-date/pieces.h b/old/2020-unknown-date/pieces.h deleted file mode 100644 index dbdd740..0000000 --- a/old/2020-unknown-date/pieces.h +++ /dev/null @@ -1,59 +0,0 @@ -/* Moves and other things */ - -#ifndef PIECES_H -#define PIECES_H - -typedef enum { - U, U2, U3, D, D2, D3, R, R2, R3, L, L2, L3, F, F2, F3, B, B2, B3, - Uw, Uw2, Uw3, Dw, Dw2, Dw3, Rw, Rw2, Rw3, - Lw, Lw2, Lw3, Fw, Fw2, Fw3, Bw, Bw2, Bw3, - M, M2, M3, S, S2, S3, E, E2, E3, - X, X2, X3, Y, Y2, Y3, Z, Z2, Z3, - NULLMOVE -} Move; -typedef enum { - U_center, D_center, R_center, L_center, F_center, B_center -} Center; -typedef enum { UF, UL, UB, UR, DF, DL, DB, DR, FR, FL, BL, BR } Edge; -typedef enum { UFR, UFL, UBL, UBR, DFR, DFL, DBL, DBR } Corner; - -/* Arrays for strings of pieces and moves */ -extern char edge_string[12][5]; -extern char corner_string[8][5]; -extern char center_string[6][5]; -extern char move_string[NULLMOVE+1][5]; - -/* Three big arrays that determine the movement of edges, corners and - * centers for some of the basic moves. Yes, one can be much more elegant and - * write much fewer lines. But then things get less elegant somewhere else. */ -extern int edge_cycle[NULLMOVE+1][12]; -extern int corner_cycle[NULLMOVE+1][8]; -extern int center_cycle[NULLMOVE+1][6]; - -/* Representation of the cube */ -typedef struct { - /* Edge orientation */ - int eofb; - int eorl; - int eoud; - - /* Corner orientation */ - int coud; - int cofb; - int corl; - - /* Position of M/E/S slice edges */ - /* TODO: keep in mind that the 4! positions with edges in correct slice - * must be the first 4! indeces */ - int epose; - int eposs; - int eposm; - - /* Permutation of corners */ - int cp; - - /* Position of centers */ - int centerpos; -} Cube; - -#endif -- cgit v1.3