From bf44088d4373a9520e860152c56a958332819c4b Mon Sep 17 00:00:00 2001 From: Sebastiano Tronto Date: Mon, 1 May 2023 16:33:51 +0200 Subject: Split nissy in other repos, see README.md --- src/trans.c | 190 ------------------------------------------------------------ 1 file changed, 190 deletions(-) delete mode 100644 src/trans.c (limited to 'src/trans.c') diff --git a/src/trans.c b/src/trans.c deleted file mode 100644 index 898c2be..0000000 --- a/src/trans.c +++ /dev/null @@ -1,190 +0,0 @@ -#define TRANS_C - -#include "trans.h" - -/* Local functions ***********************************************************/ - -/* Tables and other data *****************************************************/ - -static Cube mirror_cube = { -.ep = { [UF] = UF, [UL] = UR, [UB] = UB, [UR] = UL, - [DF] = DF, [DL] = DR, [DB] = DB, [DR] = DL, - [FR] = FL, [FL] = FR, [BL] = BR, [BR] = BL }, -.cp = { [UFR] = UFL, [UFL] = UFR, [UBL] = UBR, [UBR] = UBL, - [DFR] = DFL, [DFL] = DFR, [DBL] = DBR, [DBR] = DBL }, -.xp = { [U_center] = U_center, [D_center] = D_center, - [R_center] = L_center, [L_center] = R_center, - [F_center] = F_center, [B_center] = B_center } -}; - -static char rotation_alg_string[100][NROTATIONS] = { - [uf] = "", [ur] = "y", [ub] = "y2", [ul] = "y3", - [df] = "z2", [dr] = "y z2", [db] = "x2", [dl] = "y3 z2", - [rf] = "z3", [rd] = "z3 y", [rb] = "z3 y2", [ru] = "z3 y3", - [lf] = "z", [ld] = "z y3", [lb] = "z y2", [lu] = "z y", - [fu] = "x y2", [fr] = "x y", [fd] = "x", [fl] = "x y3", - [bu] = "x3", [br] = "x3 y", [bd] = "x3 y2", [bl] = "x3 y3", -}; - -Alg *rotation_alg_arr[NROTATIONS]; -Move moves_ttable[NTRANS][NMOVES]; -Trans trans_ttable[NTRANS][NTRANS]; -Trans trans_itable[NTRANS]; - -/* Public functions **********************************************************/ - -void -apply_trans(Trans t, Cube *cube) -{ - Cube aux; - Alg *inv; - int i; - - inv = inverse_alg(rotation_alg(t % NROTATIONS)); - copy_cube(cube, &aux); - make_solved(cube); - - if (t >= NROTATIONS) - compose(&mirror_cube, cube); - apply_alg(inv, cube); - compose(&aux, cube); - apply_alg(rotation_alg(t % NROTATIONS), cube); - if (t >= NROTATIONS) { - compose(&mirror_cube, cube); - for (i = 0; i < 8; i++) - cube->co[i] = (3 - cube->co[i]) % 3; - } - - free_alg(inv); -} - -/* -Trans -inverse_trans(Trans t) -{ - static Trans inverse_trans_aux[NTRANS] = { - [uf] = uf, [ur] = ul, [ul] = ur, [ub] = ub, - [df] = df, [dr] = dr, [dl] = dl, [db] = db, - [rf] = lf, [rd] = bl, [rb] = rb, [ru] = fr, - [lf] = rf, [ld] = br, [lb] = lb, [lu] = fl, - [fu] = fu, [fr] = ru, [fd] = bu, [fl] = lu, - [bu] = fd, [br] = ld, [bd] = bd, [bl] = rd, - - [uf_mirror] = uf_mirror, [ur_mirror] = ur_mirror, - [ul_mirror] = ul_mirror, [ub_mirror] = ub_mirror, - [df_mirror] = df_mirror, [dr_mirror] = dl_mirror, - [dl_mirror] = dr_mirror, [db_mirror] = db_mirror, - [rf_mirror] = rf_mirror, [rd_mirror] = br_mirror, - [rb_mirror] = lb_mirror, [ru_mirror] = fl_mirror, - [lf_mirror] = lf_mirror, [ld_mirror] = bl_mirror, - [lb_mirror] = rb_mirror, [lu_mirror] = fr_mirror, - [fu_mirror] = fu_mirror, [fr_mirror] = lu_mirror, - [fd_mirror] = bu_mirror, [fl_mirror] = ru_mirror, - [bu_mirror] = fd_mirror, [br_mirror] = rd_mirror, - [bd_mirror] = bd_mirror, [bl_mirror] = ld_mirror - }; - - return inverse_trans_aux[t]; -} -*/ - -Trans -inverse_trans(Trans t) -{ - return trans_itable[t]; -} - -Alg * -rotation_alg(Trans i) -{ - return rotation_alg_arr[i % NROTATIONS]; -} - -void -transform_alg(Trans t, Alg *alg) -{ - int i; - - for (i = 0; i < alg->len; i++) - alg->move[i] = transform_move(t, alg->move[i]); -} - -Move -transform_move(Trans t, Move m) -{ - return moves_ttable[t][m]; -} - -Trans -transform_trans(Trans t, Trans m) -{ - return trans_ttable[t][m]; -} - -void -init_trans() { - static bool initialized = false; - if (initialized) - return; - initialized = true; - - int i; - Alg *nonsym_alg, *nonsym_inv; - Cube aux, cube; - Move mi, move; - Trans t, u, v; - - init_moves(); - - for (i = 0; i < NROTATIONS; i++) - rotation_alg_arr[i] = new_alg(rotation_alg_string[i]); - - for (t = 0; t < NTRANS; t++) { - for (mi = 0; mi < NMOVES; mi++) { - make_solved(&aux); - apply_move(mi, &aux); - apply_trans(t, &aux); - for (move = 0; move < NMOVES; move++) { - copy_cube(&aux, &cube); - apply_move(inverse_move(move), &cube); - if (is_solved(&cube)) { - moves_ttable[t][mi] = move; - break; - } - } - } - } - - nonsym_alg = new_alg("R' U' F"); - nonsym_inv = inverse_alg(nonsym_alg); - - for (t = 0; t < NTRANS; t++) { - for (u = 0; u < NTRANS; u++) { - make_solved(&aux); - apply_alg(nonsym_alg, &aux); - apply_trans(u, &aux); - apply_trans(t, &aux); - for (v = 0; v < NTRANS; v++) { - copy_cube(&aux, &cube); - apply_trans(v, &cube); - apply_alg(nonsym_inv, &cube); - if (is_solved(&cube)) { - /* This is the inverse of the correct - value, it will be inverted later */ - trans_ttable[t][u] = v; - if (v == uf) - trans_itable[t] = u; - break; - } - } - } - } - for (t = 0; t < NTRANS; t++) - for (u = 0; u < NTRANS; u++) - trans_ttable[t][u] = trans_itable[trans_ttable[t][u]]; - - - free_alg(nonsym_alg); - free_alg(nonsym_inv); -} - -- cgit v1.3