1 files changed, 0 insertions, 181 deletions

diff --git a/old/maybe-useful-coord.c b/old/maybe-useful-coord.c
deleted file mode 100644
index 9ab2971..0000000
--- a/old/maybe-useful-coord.c
+++ /dev/null
@@ -1,181 +0,0 @@
-int
-array_ep_to_epos(int *ep, int *ss)
-{
-        int epos[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-        int eps[4];
-        int i, j, is;
-
-        for (i = 0, is = 0; i < 12; i++) {
-                for (j = 0; j < 4; j++) {
-                        if (ep[i] == ss[j]) {
-                                eps[is++] = j;
-                                epos[i] = 1;
-                        }
-                }
-        }
-
-        for (i = 0; i < 4; i++)
-                swap(&epos[ss[i]], &epos[i+8]);
-
-        return 24 * subset_to_index(epos, 12, 4) + perm_to_index(eps, 4);
-}
-
-void
-epos_to_compatible_ep(int epos, int *ep, int *ss)
-{
-        int i, j, k, other[8];
-        bool flag;
-
-        for (i = 0; i < 12; i++)
-                ep[i] = -1;
-
-        epos_to_partial_ep(epos, ep, ss);
-
-        for (i = 0, j = 0; i < 12; i++) {
-                flag = false;
-                for (k = 0; k < 4; k++)
-                        flag = flag || (i == ss[k]);
-                if (!flag)
-                        other[j++] = i;
-        }
-                
-        for (i = 0, j = 0; i < 12; i++)
-                if (ep[i] == -1)
-                        ep[i] = other[j++];
-}
-
-void
-epos_to_partial_ep(int epos, int *ep, int *ss)
-{
-        int i, is, eposs[12], eps[4];
-
-        index_to_perm(epos % FACTORIAL4, 4, eps);
-        index_to_subset(epos / FACTORIAL4, 12, 4, eposs);
-
-        for (i = 0; i < 4; i++)
-                swap(&eposs[ss[i]], &eposs[i+8]);
-
-        for (i = 0, is = 0; i < 12; i++)
-                if (eposs[i])
-                        ep[i] = ss[eps[is++]];
-}
-
-void
-fix_eorleoud(CubeArray *arr)
-{
-        int i;
-
-        for (i = 0; i < 12; i++) {
-                if ((edge_slice(i) == 0 && edge_slice(arr->ep[i]) != 0) ||
-                    (edge_slice(i) != 0 && edge_slice(arr->ep[i]) == 0)) {
-                        arr->eorl[i] = 1 - arr->eofb[i];
-                } else {
-                        arr->eorl[i] = arr->eofb[i];
-                }
-
-                if ((edge_slice(i) == 2 && edge_slice(arr->ep[i]) != 2) ||
-                    (edge_slice(i) != 2 && edge_slice(arr->ep[i]) == 2)) {
-                        arr->eoud[i] = 1 - arr->eofb[i];
-                } else {
-                        arr->eoud[i] = arr->eofb[i];
-                }
-        }
-}
-
-void
-fix_cofbcorl(CubeArray *arr)
-{
-        int i;
-
-        for (i = 0; i < 8; i++) {
-                if (i % 2 == arr->cp[i] % 2) {
-                        arr->cofb[i] = arr->coud[i];
-                        arr->corl[i] = arr->coud[i];
-                } else {
-                        if (arr->cp[i] % 2 == 0) {
-                                arr->cofb[i] = (arr->coud[i]+1)%3;
-                                arr->corl[i] = (arr->coud[i]+2)%3;
-                        } else {
-                                arr->cofb[i] = (arr->coud[i]+2)%3;
-                                arr->corl[i] = (arr->coud[i]+1)%3;
-                        }
-                }
-        }
-}
-
-Cube
-admissible_ep(Cube cube, PieceFilter f)
-{
-        CubeArray *arr = new_cubearray(cube, f);
-        Cube ret;
-        bool used[12] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-        int i, j;
-
-        for (i = 0; i < 12; i++)
-                if (arr->ep[i] != -1)
-                        used[arr->ep[i]] = true;
-
-        for (i = 0, j = 0; i < 12; i++) {
-                for ( ; j < 11 && used[j]; j++);
-                if (arr->ep[i] == -1)
-                        arr->ep[i] = j++;
-        }
-
-        ret = arrays_to_cube(arr, pf_ep);
-        free_cubearray(arr, f);
-
-        return ret;
-}
-
-int
-edge_slice(Edge e) {
-        if (e < 0 || e > 11)
-                return -1;
-
-        if (e == FR || e == FL || e == BL || e == BR)
-                return 0;
-        if (e == UR || e == UL || e == DR || e == DL)
-                return 1;
-
-        return 2;
-}
-
-int
-piece_orientation(Cube cube, int piece, char *orientation)
-{
-        int arr[12], n, b, x;
-
-        if (!strcmp(orientation, "eofb")) {
-                x = cube.eofb;
-                n = 12;
-                b = 2;
-        } else if (!strcmp(orientation, "eorl")) {
-                x = cube.eorl;
-                n = 12;
-                b = 2;
-        } else if (!strcmp(orientation, "eoud")) {
-                x = cube.eoud;
-                n = 12;
-                b = 2;
-        } else if (!strcmp(orientation, "coud")) {
-                x = cube.coud;
-                n = 8;
-                b = 3;
-        } else if (!strcmp(orientation, "corl")) {
-                x = cube.corl;
-                n = 8;
-                b = 3;
-        } else if (!strcmp(orientation, "cofb")) {
-                x = cube.cofb;
-                n = 8;
-                b = 3;
-        } else {
-                return -1;
-        }
-
-        int_to_sum_zero_array(x, b, n, arr);
-        if (piece < n)
-                return arr[piece];
-
-        return -1;
-}