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authorSebastiano Tronto <sebastiano@tronto.net>2023-11-05 16:29:14 +0100
committerSebastiano Tronto <sebastiano@tronto.net>2023-11-05 16:37:39 +0100
commit1964938ca6abef6e5c81d9dccdf42c55abacb5e9 (patch)
tree9908417751ddf22e45ea68da0f209083249ac08e
parent9c1659d91a331735f88c127aa236a59153e23dfc (diff)
downloadnissy-core-1964938ca6abef6e5c81d9dccdf42c55abacb5e9.tar.gz
nissy-core-1964938ca6abef6e5c81d9dccdf42c55abacb5e9.zip
Refactoring
Diffstat
-rw-r--r--Makefile4
-rw-r--r--README.md11
-rw-r--r--benchmark/bench.c2
-rwxr-xr-xconfigure.sh2
-rw-r--r--cube.c3698
-rw-r--r--cube.h (renamed from src/cube.h)9
-rw-r--r--src/_moves_arr.c264
-rw-r--r--src/_moves_avx2.c197
-rw-r--r--src/_trans_arr.c952
-rw-r--r--src/_trans_avx2.c1000
-rw-r--r--src/cube.c1195
-rw-r--r--test/00_basic/basic_tests.c2
-rw-r--r--test/010_io_H48_read_write/io_H48_tests.c2
-rw-r--r--test/011_io_SRC_write/io_SRC_tests.c2
-rw-r--r--test/012_io_AVX_write/io_AVX_tests.c2
-rw-r--r--test/020_move/move_tests.c2
-rw-r--r--test/030_inverse_cube/inverse_tests.c2
-rw-r--r--test/040_compose/compose_tests.c2
-rw-r--r--test/050_transform/transform_tests.c2
-rwxr-xr-xutils/genmovecode.sh6
-rwxr-xr-xutils/gentranscode.sh8
-rw-r--r--utils/h48_to_avx.c2
-rw-r--r--utils/h48_to_src.c2
-rw-r--r--utils/invert.c2
24 files changed, 3729 insertions, 3641 deletions
diff --git a/Makefile b/Makefile
index 304433f..09967ea 100644
--- a/Makefile
+++ b/Makefile
@@ -3,10 +3,10 @@ include config.mk
3all: cube.o debugcube.o 3all: cube.o debugcube.o
4 4
5cube.o: clean 5cube.o: clean
6 ${CC} -D${CUBETYPE} ${CFLAGS} -c -o cube.o src/cube.c 6 ${CC} -D${CUBETYPE} ${CFLAGS} -c -o cube.o cube.c
7 7
8debugcube.o: clean 8debugcube.o: clean
9 ${CC} -D${CUBETYPE} ${DBGFLAGS} -c -o debugcube.o src/cube.c 9 ${CC} -D${CUBETYPE} ${DBGFLAGS} -c -o debugcube.o cube.c
10 10
11clean: 11clean:
12 rm -rf *.o 12 rm -rf *.o
diff --git a/README.md b/README.md
index 616c066..4ec5eff 100644
--- a/README.md
+++ b/README.md
@@ -30,12 +30,6 @@ for benchmarks.
30 30
31## TODO: 31## TODO:
32 32
33### Cleanup / refactor
34
35* see planner
36* change all set_epi to setr_epi
37* change epi8 to epi64x (shorter!)
38
39### Documentation and interface 33### Documentation and interface
40 34
41* inline some documentation as comments in cube.h or cube.c 35* inline some documentation as comments in cube.h or cube.c
@@ -53,6 +47,11 @@ for benchmarks.
53* Takes as parameters the amount of memory to use and a FILE for the tables 47* Takes as parameters the amount of memory to use and a FILE for the tables
54* Use multi-move (up to 4/5 moves at once) 48* Use multi-move (up to 4/5 moves at once)
55 49
50### cube.h changes
51
52* Consider removing zerocube() from the api
53* prefix public functions with nissy_ or something similar
54
56### Future optimizations 55### Future optimizations
57 56
58* CO is the worst part of moving, transforming and inverting. Try basing 57* CO is the worst part of moving, transforming and inverting. Try basing
diff --git a/benchmark/bench.c b/benchmark/bench.c
index 41fbbcc..cb2f75c 100644
--- a/benchmark/bench.c
+++ b/benchmark/bench.c
@@ -4,7 +4,7 @@
4#include <stdlib.h> 4#include <stdlib.h>
5#include <time.h> 5#include <time.h>
6 6
7#include "../src/cube.h" 7#include "../cube.h"
8 8
9#define MOVES 100000000 9#define MOVES 100000000
10#define TRANS 100000000 10#define TRANS 100000000
diff --git a/configure.sh b/configure.sh
index 74df81e..44774cd 100755
--- a/configure.sh
+++ b/configure.sh
@@ -1,7 +1,7 @@
1#!/bin/sh 1#!/bin/sh
2 2
3STD="-std=c99" 3STD="-std=c99"
4WFLAGS="-pedantic -Wall -Wextra -Wno-unused-parameter" 4WFLAGS="-pedantic -Wall -Wextra -Wno-unused-parameter -Wno-unused-function"
5[ "$TYPE" = "AVX2" ] && AVX="-mavx2" 5[ "$TYPE" = "AVX2" ] && AVX="-mavx2"
6[ "$(uname)" = "Linux" ] && SAN="-fsanitize=address -fsanitize=undefined" 6[ "$(uname)" = "Linux" ] && SAN="-fsanitize=address -fsanitize=undefined"
7 7
diff --git a/cube.c b/cube.c
new file mode 100644
index 0000000..e98bc40
--- /dev/null
+++ b/cube.c
@@ -0,0 +1,3698 @@
1#include <inttypes.h>
2#include <stdbool.h>
3#include <string.h>
4
5#ifdef DEBUG
6#include <stdio.h>
7#endif
8
9#include "cube.h"
10
11/******************************************************************************
12Section: constants and strings
13******************************************************************************/
14
15#define U 0U
16#define U2 1U
17#define U3 2U
18#define D 3U
19#define D2 4U
20#define D3 5U
21#define R 6U
22#define R2 7U
23#define R3 8U
24#define L 9U
25#define L2 10U
26#define L3 11U
27#define F 12U
28#define F2 13U
29#define F3 14U
30#define B 15U
31#define B2 16U
32#define B3 17U
33
34#define UFr 0
35#define ULr 1
36#define UBr 2
37#define URr 3
38#define DFr 4
39#define DLr 5
40#define DBr 6
41#define DRr 7
42#define RUr 8
43#define RFr 9
44#define RDr 10
45#define RBr 11
46#define LUr 12
47#define LFr 13
48#define LDr 14
49#define LBr 15
50#define FUr 16
51#define FRr 17
52#define FDr 18
53#define FLr 19
54#define BUr 20
55#define BRr 21
56#define BDr 22
57#define BLr 23
58
59#define UFm 24
60#define ULm 25
61#define UBm 26
62#define URm 27
63#define DFm 28
64#define DLm 29
65#define DBm 30
66#define DRm 31
67#define RUm 32
68#define RFm 33
69#define RDm 34
70#define RBm 35
71#define LUm 36
72#define LFm 37
73#define LDm 38
74#define LBm 39
75#define FUm 40
76#define FRm 41
77#define FDm 42
78#define FLm 43
79#define BUm 44
80#define BRm 45
81#define BDm 46
82#define BLm 47
83
84#define errormove 99U
85#define errortrans 99U
86
87#define _c_ufr 0U
88#define _c_ubl 1U
89#define _c_dfl 2U
90#define _c_dbr 3U
91#define _c_ufl 4U
92#define _c_ubr 5U
93#define _c_dfr 6U
94#define _c_dbl 7U
95
96#define _e_uf 0U
97#define _e_ub 1U
98#define _e_db 2U
99#define _e_df 3U
100#define _e_ur 4U
101#define _e_ul 5U
102#define _e_dl 6U
103#define _e_dr 7U
104#define _e_fr 8U
105#define _e_fl 9U
106#define _e_bl 10U
107#define _e_br 11U
108
109#define _eoshift 4U
110#define _coshift 5U
111
112#define _pbits 0xFU
113#define _eobit 0x10U
114#define _cobits 0xF0U
115#define _cobits2 0x60U
116#define _ctwist_cw 0x20U
117#define _ctwist_ccw 0x40U
118#define _eflip 0x10U
119#define _error 0xFFU
120
121static char *cornerstr[] = {
122 [_c_ufr] = "UFR",
123 [_c_ubl] = "UBL",
124 [_c_dfl] = "DFL",
125 [_c_dbr] = "DBR",
126 [_c_ufl] = "UFL",
127 [_c_ubr] = "UBR",
128 [_c_dfr] = "DFR",
129 [_c_dbl] = "DBL"
130};
131
132static char *cornerstralt[] = {
133 [_c_ufr] = "URF",
134 [_c_ubl] = "ULB",
135 [_c_dfl] = "DLF",
136 [_c_dbr] = "DRB",
137 [_c_ufl] = "ULF",
138 [_c_ubr] = "URB",
139 [_c_dfr] = "DRF",
140 [_c_dbl] = "DLB"
141};
142
143static char *edgestr[] = {
144 [_e_uf] = "UF",
145 [_e_ub] = "UB",
146 [_e_db] = "DB",
147 [_e_df] = "DF",
148 [_e_ur] = "UR",
149 [_e_ul] = "UL",
150 [_e_dl] = "DL",
151 [_e_dr] = "DR",
152 [_e_fr] = "FR",
153 [_e_fl] = "FL",
154 [_e_bl] = "BL",
155 [_e_br] = "BR"
156};
157
158static char *movestr[] = {
159 [U] = "U",
160 [U2] = "U2",
161 [U3] = "U'",
162 [D] = "D",
163 [D2] = "D2",
164 [D3] = "D'",
165 [R] = "R",
166 [R2] = "R2",
167 [R3] = "R'",
168 [L] = "L",
169 [L2] = "L2",
170 [L3] = "L'",
171 [F] = "F",
172 [F2] = "F2",
173 [F3] = "F'",
174 [B] = "B",
175 [B2] = "B2",
176 [B3] = "B'",
177};
178
179static char *transstr[] = {
180 [UFr] = "rotation UF",
181 [UFm] = "mirrored UF",
182 [ULr] = "rotation UL",
183 [ULm] = "mirrored UL",
184 [UBr] = "rotation UB",
185 [UBm] = "mirrored UB",
186 [URr] = "rotation UR",
187 [URm] = "mirrored UR",
188 [DFr] = "rotation DF",
189 [DFm] = "mirrored DF",
190 [DLr] = "rotation DL",
191 [DLm] = "mirrored DL",
192 [DBr] = "rotation DB",
193 [DBm] = "mirrored DB",
194 [DRr] = "rotation DR",
195 [DRm] = "mirrored DR",
196 [RUr] = "rotation RU",
197 [RUm] = "mirrored RU",
198 [RFr] = "rotation RF",
199 [RFm] = "mirrored RF",
200 [RDr] = "rotation RD",
201 [RDm] = "mirrored RD",
202 [RBr] = "rotation RB",
203 [RBm] = "mirrored RB",
204 [LUr] = "rotation LU",
205 [LUm] = "mirrored LU",
206 [LFr] = "rotation LF",
207 [LFm] = "mirrored LF",
208 [LDr] = "rotation LD",
209 [LDm] = "mirrored LD",
210 [LBr] = "rotation LB",
211 [LBm] = "mirrored LB",
212 [FUr] = "rotation FU",
213 [FUm] = "mirrored FU",
214 [FRr] = "rotation FR",
215 [FRm] = "mirrored FR",
216 [FDr] = "rotation FD",
217 [FDm] = "mirrored FD",
218 [FLr] = "rotation FL",
219 [FLm] = "mirrored FL",
220 [BUr] = "rotation BU",
221 [BUm] = "mirrored BU",
222 [BRr] = "rotation BR",
223 [BRm] = "mirrored BR",
224 [BDr] = "rotation BD",
225 [BDm] = "mirrored BD",
226 [BLr] = "rotation BL",
227 [BLm] = "mirrored BL",
228};
229
230/******************************************************************************
231Section: cube_array
232
233This section contains non-optimized functions that operate on the cube in
234array format. These utilities are not used in performance-critical parts;
235for example, all I/O related stuff is here, as well as some checks on the
236state of the cube that are used in debugging.
237******************************************************************************/
238
239typedef struct {
240 uint8_t c[16];
241 uint8_t e[16];
242} cube_array_t;
243
244#define get_edge(cube, i) (cube).e[(i)]
245#define get_corner(cube, i) (cube).c[(i)]
246#define set_edge(cube, i, p) (cube).e[(i)] = (p)
247#define set_corner(cube, i, p) (cube).c[(i)] = (p)
248
249static void setzero_array(cube_array_t *);
250static bool equal_array(cube_array_t, cube_array_t);
251static bool iserror_array(cube_array_t);
252static bool isconsistent_array(cube_array_t);
253static bool issolvable_array(cube_array_t);
254static uint8_t readco(char *);
255static uint8_t readcp(char *);
256static uint8_t readeo(char *);
257static uint8_t readep(char *);
258static cube_array_t readcube_array(format_t, char *);
259static int permsign(uint8_t *, int);
260static cube_array_t readcube_array_H48(char *);
261static void writecube_array_AVX(cube_array_t, char *);
262static void writecube_array_H48(cube_array_t, char *);
263static int writepiece_SRC(uint8_t, char *);
264static void writecube_array_SRC(cube_array_t, char *);
265static uint8_t readmove(char);
266static uint8_t readmodifier(char);
267
268cube_array_t solvedcube_array = {
269 .c = {0, 1, 2, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0},
270 .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 0, 0, 0}
271};
272cube_array_t zerocube_array = { .e = {0}, .c = {0} };
273
274static void
275setzero_array(cube_array_t *arr)
276{
277 memset(arr, 0, 32);
278}
279
280static bool
281equal_array(cube_array_t c1, cube_array_t c2)
282{
283 int i;
284 bool ret;
285
286 ret = true;
287 for (i = 0; i < 8; i++)
288 ret = ret && c1.c[i] == c2.c[i];
289 for (i = 0; i < 12; i++)
290 ret = ret && c1.e[i] == c2.e[i];
291
292 return ret;
293}
294
295static bool
296iserror_array(cube_array_t arr)
297{
298 return equal_array(arr, zerocube_array);
299}
300
301static uint8_t
302readco(char *str)
303{
304 if (*str == '0')
305 return 0;
306 if (*str == '1')
307 return _ctwist_cw;
308 if (*str == '2')
309 return _ctwist_ccw;
310
311#ifdef DEBUG
312 fprintf(stderr, "Error reading CO\n");
313#endif
314 return _error;
315}
316
317static uint8_t
318readcp(char *str)
319{
320 uint8_t c;
321
322 for (c = 0; c < 8; c++)
323 if (!strncmp(str, cornerstr[c], 3) ||
324 !strncmp(str, cornerstralt[c], 3))
325 return c;
326
327#ifdef DEBUG
328 fprintf(stderr, "Error reading CP\n");
329#endif
330 return _error;
331}
332
333static uint8_t
334readeo(char *str)
335{
336 if (*str == '0')
337 return 0;
338 if (*str == '1')
339 return _eflip;
340
341#ifdef DEBUG
342 fprintf(stderr, "Error reading EO\n");
343#endif
344 return _error;
345}
346
347static uint8_t
348readep(char *str)
349{
350 uint8_t e;
351
352 for (e = 0; e < 12; e++)
353 if (!strncmp(str, edgestr[e], 2))
354 return e;
355
356#ifdef DEBUG
357 fprintf(stderr, "Error reading EP\n");
358#endif
359 return _error;
360}
361
362static cube_array_t
363readcube_array_H48(char *buf)
364{
365 int i;
366 uint8_t piece, orient;
367 cube_array_t ret = {0};
368 char *b;
369
370 b = buf;
371
372 for (i = 0; i < 12; i++) {
373 while (*b == ' ' || *b == '\t' || *b == '\n')
374 b++;
375 if ((piece = readep(b)) == _error)
376 return zerocube_array;
377 b += 2;
378 if ((orient = readeo(b)) == _error)
379 return zerocube_array;
380 b++;
381 set_edge(ret, i, piece | orient);
382 }
383 for (i = 0; i < 8; i++) {
384 while (*b == ' ' || *b == '\t' || *b == '\n')
385 b++;
386 if ((piece = readcp(b)) == _error)
387 return zerocube_array;
388 b += 3;
389 if ((orient = readco(b)) == _error)
390 return zerocube_array;
391 b++;
392 set_corner(ret, i, piece | orient);
393 }
394
395 return ret;
396}
397
398cube_array_t
399readcube_array(format_t format, char *buf)
400{
401 cube_array_t arr;
402
403 switch (format) {
404 case H48:
405 arr = readcube_array_H48(buf);
406 break;
407 default:
408#ifdef DEBUG
409 fprintf(stderr, "Cannot read cube in the given format\n");
410#endif
411 setzero_array(&arr);
412 }
413
414#ifdef DEBUG
415 if (iserror_array(arr))
416 fprintf(stderr, "readcube error\n");
417#endif
418 return arr;
419}
420
421
422static int
423writepiece_SRC(uint8_t piece, char *buf)
424{
425 char digits[3];
426 int i, len = 0;
427
428 while (piece != 0) {
429 digits[len++] = (piece % 10) + '0';
430 piece /= 10;
431 }
432
433 if (len == 0)
434 digits[len++] = '0';
435
436 for (i = 0; i < len; i++)
437 buf[i] = digits[len-i-1];
438
439 buf[len] = ',';
440 buf[len+1] = ' ';
441
442 return len+2;
443}
444
445static void
446writecube_array_AVX(cube_array_t cube, char *buf)
447{
448 int i, ptr;
449 uint8_t piece;
450
451 memcpy(buf, "_mm256_set_epi8(\n\t0, 0, 0, 0, ", 30);
452 ptr = 30;
453
454 for (i = 11; i >= 0; i--) {
455 piece = get_edge(cube, i);
456 ptr += writepiece_SRC(piece, buf + ptr);
457 }
458
459 memcpy(buf+ptr-2, ",\n\t0, 0, 0, 0, 0, 0, 0, 0, ", 27);
460 ptr += 25;
461
462 for (i = 7; i >= 0; i--) {
463 piece = get_corner(cube, i);
464 ptr += writepiece_SRC(piece, buf + ptr);
465 }
466
467 memcpy(buf+ptr-2, "\n)\0", 3);
468}
469
470static void
471writecube_array_H48(cube_array_t cube, char *buf)
472{
473 uint8_t piece, perm, orient;
474 int i;
475
476 for (i = 0; i < 12; i++) {
477 piece = get_edge(cube, i);
478 perm = piece & _pbits;
479 orient = (piece & _eobit) >> _eoshift;
480 buf[4*i ] = edgestr[perm][0];
481 buf[4*i + 1] = edgestr[perm][1];
482 buf[4*i + 2] = orient + '0';
483 buf[4*i + 3] = ' ';
484 }
485 for (i = 0; i < 8; i++) {
486 piece = get_corner(cube, i);
487 perm = piece & _pbits;
488 orient = (piece & _cobits) >> _coshift;
489 buf[48 + 5*i ] = cornerstr[perm][0];
490 buf[48 + 5*i + 1] = cornerstr[perm][1];
491 buf[48 + 5*i + 2] = cornerstr[perm][2];
492 buf[48 + 5*i + 3] = orient + '0';
493 buf[48 + 5*i + 4] = ' ';
494 }
495
496 buf[48+39] = '\0';
497}
498
499static void
500writecube_array_SRC(cube_array_t cube, char *buf)
501{
502 int i, ptr;
503 uint8_t piece;
504
505 memcpy(buf, "{\n\t.c = {", 9);
506 ptr = 9;
507
508 for (i = 0; i < 8; i++) {
509 piece = get_corner(cube, i);
510 ptr += writepiece_SRC(piece, buf + ptr);
511 }
512
513 memcpy(buf+ptr-2, "},\n\t.e = {", 10);
514 ptr += 8;
515
516 for (i = 0; i < 12; i++) {
517 piece = get_edge(cube, i);
518 ptr += writepiece_SRC(piece, buf + ptr);
519 }
520
521 memcpy(buf+ptr-2, "}\n}\0", 4);
522}
523
524void
525writecube_array(format_t format, cube_array_t a, char *buf)
526{
527 char *errormsg;
528 size_t len;
529
530 if (!isconsistent_array(a)) {
531 errormsg = "ERROR: cannot write inconsistent cube";
532 goto writecube_error;
533 }
534
535 switch (format) {
536 case AVX:
537 writecube_array_AVX(a, buf);
538 break;
539 case H48:
540 writecube_array_H48(a, buf);
541 break;
542 case SRC:
543 writecube_array_SRC(a, buf);
544 break;
545 default:
546 errormsg = "ERROR: cannot write cube in the given format";
547 goto writecube_error;
548 }
549
550 return;
551
552writecube_error:
553#ifdef DEBUG
554 fprintf(stderr, "writecube error, see stdout for details\n");
555#endif
556 len = strlen(errormsg);
557 memcpy(buf, errormsg, len);
558 buf[len] = '\n';
559 buf[len+1] = '\0';
560}
561
562static uint8_t
563readmove(char c)
564{
565 switch (c) {
566 case 'U':
567 return U;
568 case 'D':
569 return D;
570 case 'R':
571 return R;
572 case 'L':
573 return L;
574 case 'F':
575 return F;
576 case 'B':
577 return B;
578 default:
579 return _error;
580 }
581}
582
583static uint8_t
584readmodifier(char c)
585{
586 switch (c) {
587 case '1': /* Fallthrough */
588 case '2': /* Fallthrough */
589 case '3':
590 return c - '0' - 1;
591 case '\'':
592 return 2;
593 default:
594 return 0;
595 }
596}
597
598int
599readmoves(char *buf, move_t *m)
600{
601 int n;
602 uint64_t r;
603 char *b;
604
605 for (b = buf, n = 0; *b != '\0'; b++) {
606 while (*b == ' ' || *b == '\t' || *b == '\n')
607 b++;
608 if (*b == '\0')
609 return n;
610 if ((r = readmove(*b)) == _error)
611 goto readmoves_error;
612 m[n] = (move_t)r;
613 if ((r = readmodifier(*(b+1))) != 0) {
614 b++;
615 m[n] += r;
616 }
617 n++;
618 }
619
620 return n;
621
622readmoves_error:
623#ifdef DEBUG
624 fprintf(stderr, "readmoves error\n");
625#endif
626 return -1;
627}
628
629trans_t
630readtrans(char *buf)
631{
632 uint8_t t;
633
634 for (t = 0; t < 48; t++)
635 if (!strncmp(buf, transstr[t], 11))
636 return t;
637
638#ifdef DEBUG
639 fprintf(stderr, "readtrans error\n");
640#endif
641 return errortrans;
642}
643
644void
645writemoves(move_t *m, int n, char *buf)
646{
647 int i;
648 size_t len;
649 char *b, *s;
650
651 for (i = 0, b = buf; i < n; i++, b++) {
652 s = movestr[m[i]];
653 len = strlen(s);
654 memcpy(b, s, len);
655 b += len;
656 *b = ' ';
657 }
658 *b = '\0';
659}
660
661void
662writetrans(trans_t t, char *buf)
663{
664 if (t >= 48)
665 memcpy(buf, "error trans", 11);
666 else
667 memcpy(buf, transstr[t], 11);
668 buf[11] = '\0';
669}
670
671static int
672permsign(uint8_t *a, int n)
673{
674 int i, j;
675 uint8_t ret = 0;
676
677 for (i = 0; i < n; i++)
678 for (j = i+1; j < n; j++)
679 ret += a[i] > a[j] ? 1 : 0;
680
681 return ret % 2;
682}
683
684static bool
685isconsistent_array(cube_array_t c)
686{
687 uint8_t i, p, e, piece;
688 bool found[12];
689
690 for (i = 0; i < 12; i++)
691 found[i] = false;
692 for (i = 0; i < 12; i++) {
693 piece = get_edge(c, i);
694 p = piece & _pbits;
695 e = piece & _eobit;
696 if (p >= 12)
697 goto inconsistent_ep;
698 if (e != 0 && e != _eobit)
699 goto inconsistent_eo;
700 found[p] = true;
701 }
702 for (i = 0; i < 12; i++)
703 if (!found[i])
704 goto inconsistent_ep;
705
706 for (i = 0; i < 8; i++)
707 found[i] = false;
708 for (i = 0; i < 8; i++) {
709 piece = get_corner(c, i);
710 p = piece & _pbits;
711 e = piece & _cobits;
712 if (p >= 8)
713 goto inconsistent_cp;
714 if (e != 0 && e != _ctwist_cw && e != _ctwist_ccw)
715 goto inconsistent_co;
716 found[p] = true;
717 }
718 for (i = 0; i < 8; i++)
719 if (!found[i])
720 goto inconsistent_co;
721
722 return true;
723
724inconsistent_ep:
725#ifdef DEBUG
726 fprintf(stderr, "Inconsistent EP\n");
727#endif
728 return false;
729inconsistent_cp:
730#ifdef DEBUG
731 fprintf(stderr, "Inconsistent CP\n");
732#endif
733 return false;
734inconsistent_eo:
735#ifdef DEBUG
736 fprintf(stderr, "Inconsistent EO\n");
737#endif
738 return false;
739inconsistent_co:
740#ifdef DEBUG
741 fprintf(stderr, "Inconsistent CO\n");
742#endif
743 return false;
744}
745
746bool
747issolvable_array(cube_array_t c)
748{
749 uint8_t i, eo, co, piece, edges[12], corners[8];
750
751#ifdef DEBUG
752 if (!isconsistent_array(c)) {
753 fprintf(stderr, "issolvable: cube is inconsistent\n");
754 return false;
755 }
756#endif
757
758 for (i = 0; i < 12; i++)
759 edges[i] = get_edge(c, i) & _pbits;
760 for (i = 0; i < 8; i++)
761 corners[i] = get_corner(c, i) & _pbits;
762
763 if (permsign(edges, 12) != permsign(corners, 8))
764 goto issolvable_parity;
765
766 eo = 0;
767 for (i = 0; i < 12; i++) {
768 piece = get_edge(c, i);
769 eo += (piece & _eobit) >> _eoshift;
770 }
771 if (eo % 2 != 0)
772 goto issolvable_eo;
773
774 co = 0;
775 for (i = 0; i < 8; i++) {
776 piece = get_corner(c, i);
777 co += (piece & _cobits) >> _coshift;
778 }
779 if (co % 3 != 0)
780 goto issolvable_co;
781
782 return true;
783
784issolvable_parity:
785#ifdef DEBUG
786 fprintf(stderr, "EP and CP parities are different\n");
787#endif
788 return false;
789issolvable_eo:
790#ifdef DEBUG
791 fprintf(stderr, "Odd number of flipped edges\n");
792#endif
793 return false;
794issolvable_co:
795#ifdef DEBUG
796 fprintf(stderr, "Sum of corner orientation is not multiple of 3\n");
797#endif
798 return false;
799}
800
801/******************************************************************************
802Section: AVX2 fast methods
803
804This section contains performance-critical methods that rely on AVX2
805intructions such as routines for moving or transforming the cube.
806
807Note: the #ifdef below is closed in the next section.
808******************************************************************************/
809
810#ifdef CUBE_AVX2
811
812#define _co_avx2 _mm256_set_epi64x(0, 0, 0, 0xF0F0F0F0F0F0F0F0)
813#define _co2_avx2 _mm256_set_epi64x(0, 0, 0, 0x6060606060606060)
814#define _cocw_avx2 _mm256_set_epi64x(0, 0, 0, 0x2020202020202020)
815#define _eo_avx2 _mm256_set_epi64x(0x10101010, 0x1010101010101010, 0, 0)
816
817static cube_t _arraytocube(cube_array_t);
818static void _cubetoarray(cube_t, cube_array_t *);
819static inline bool _equal(cube_t, cube_t);
820static inline cube_t _invertco(cube_t);
821static inline cube_t _inverse(cube_t);
822static inline cube_t _compose(cube_t, cube_t);
823
824static inline cube_t
825_move_U(cube_t c)
826{
827 cube_t m = _mm256_set_epi8(
828 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 0, 1, 3, 2, 5, 4,
829 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 1, 0, 3, 2, 4, 5
830 );
831
832 return _mm256_shuffle_epi8(c, m);
833}
834
835static inline cube_t
836_move_U2(cube_t c)
837{
838 cube_t m = _mm256_set_epi8(
839 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 4, 5, 3, 2, 0, 1,
840 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 4, 5, 3, 2, 0, 1
841 );
842
843 return _mm256_shuffle_epi8(c, m);
844}
845
846static inline cube_t
847_move_U3(cube_t c)
848{
849 cube_t m = _mm256_set_epi8(
850 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 1, 0, 3, 2, 4, 5,
851 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 0, 1, 3, 2, 5, 4
852 );
853
854 return _mm256_shuffle_epi8(c, m);
855}
856
857static inline cube_t
858_move_D(cube_t c)
859{
860 cube_t m = _mm256_set_epi8(
861 0, 0, 0, 0, 11, 10, 9, 8, 3, 2, 5, 4, 6, 7, 1, 0,
862 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 5, 4, 6, 7, 1, 0
863 );
864
865 return _mm256_shuffle_epi8(c, m);
866}
867
868static inline cube_t
869_move_D2(cube_t c)
870{
871 cube_t m = _mm256_set_epi8(
872 0, 0, 0, 0, 11, 10, 9, 8, 6, 7, 5, 4, 2, 3, 1, 0,
873 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 5, 4, 2, 3, 1, 0
874 );
875
876 return _mm256_shuffle_epi8(c, m);
877}
878
879static inline cube_t
880_move_D3(cube_t c)
881{
882 cube_t m = _mm256_set_epi8(
883 0, 0, 0, 0, 11, 10, 9, 8, 2, 3, 5, 4, 7, 6, 1, 0,
884 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 5, 4, 7, 6, 1, 0
885 );
886
887 return _mm256_shuffle_epi8(c, m);
888}
889
890static inline cube_t
891_move_R(cube_t c)
892{
893 cube_t m = _mm256_set_epi8(
894 0, 0, 0, 0, 4, 10, 9, 7, 11, 6, 5, 8, 3, 2, 1, 0,
895 0, 0, 0, 0, 0, 0, 0, 0, 7, 35, 32, 4, 69, 2, 1, 70
896 );
897
898 return _compose(c, m);
899}
900
901static inline cube_t
902_move_R2(cube_t c)
903{
904 cube_t m = _mm256_set_epi8(
905 0, 0, 0, 0, 8, 10, 9, 11, 4, 6, 5, 7, 3, 2, 1, 0,
906 0, 0, 0, 0, 0, 0, 0, 0, 7, 5, 6, 4, 0, 2, 1, 3
907 );
908
909 return _mm256_shuffle_epi8(c, m);
910}
911
912static inline cube_t
913_move_R3(cube_t c)
914{
915 cube_t m = _mm256_set_epi8(
916 0, 0, 0, 0, 7, 10, 9, 4, 8, 6, 5, 11, 3, 2, 1, 0,
917 0, 0, 0, 0, 0, 0, 0, 0, 7, 32, 35, 4, 70, 2, 1, 69
918 );
919
920 return _compose(c, m);
921}
922
923static inline cube_t
924_move_L(cube_t c)
925{
926 cube_t m = _mm256_set_epi8(
927 0, 0, 0, 0, 11, 6, 5, 8, 7, 9, 10, 4, 3, 2, 1, 0,
928 0, 0, 0, 0, 0, 0, 0, 0, 34, 6, 5, 33, 3, 68, 71, 0
929 );
930
931 return _compose(c, m);
932}
933
934static inline cube_t
935_move_L2(cube_t c)
936{
937 cube_t m = _mm256_set_epi8(
938 0, 0, 0, 0, 11, 9, 10, 8, 7, 5, 6, 4, 3, 2, 1, 0,
939 0, 0, 0, 0, 0, 0, 0, 0, 4, 6, 5, 7, 3, 1, 2, 0
940 );
941
942 return _mm256_shuffle_epi8(c, m);
943}
944
945static inline cube_t
946_move_L3(cube_t c)
947{
948 cube_t m = _mm256_set_epi8(
949 0, 0, 0, 0, 11, 5, 6, 8, 7, 10, 9, 4, 3, 2, 1, 0,
950 0, 0, 0, 0, 0, 0, 0, 0, 33, 6, 5, 34, 3, 71, 68, 0
951 );
952
953 return _compose(c, m);
954}
955
956static inline cube_t
957_move_F(cube_t c)
958{
959 cube_t m = _mm256_set_epi8(
960 0, 0, 0, 0, 11, 10, 19, 16, 7, 6, 5, 4, 24, 2, 1, 25,
961 0, 0, 0, 0, 0, 0, 0, 0, 7, 64, 5, 66, 3, 38, 1, 36
962 );
963
964 return _compose(c, m);
965}
966
967static inline cube_t
968_move_F2(cube_t c)
969{
970 cube_t m = _mm256_set_epi8(
971 0, 0, 0, 0, 11, 10, 8, 9, 7, 6, 5, 4, 0, 2, 1, 3,
972 0, 0, 0, 0, 0, 0, 0, 0, 7, 4, 5, 6, 3, 0, 1, 2
973 );
974
975 return _mm256_shuffle_epi8(c, m);
976}
977
978static inline cube_t
979_move_F3(cube_t c)
980{
981 cube_t m = _mm256_set_epi8(
982 0, 0, 0, 0, 11, 10, 16, 19, 7, 6, 5, 4, 25, 2, 1, 24,
983 0, 0, 0, 0, 0, 0, 0, 0, 7, 66, 5, 64, 3, 36, 1, 38
984 );
985
986 return _compose(c, m);
987}
988
989static inline cube_t
990_move_B(cube_t c)
991{
992 cube_t m = _mm256_set_epi8(
993 0, 0, 0, 0, 18, 17, 9, 8, 7, 6, 5, 4, 3, 26, 27, 0,
994 0, 0, 0, 0, 0, 0, 0, 0, 65, 6, 67, 4, 39, 2, 37, 0
995 );
996
997 return _compose(c, m);
998}
999
1000static inline cube_t
1001_move_B2(cube_t c)
1002{
1003 cube_t m = _mm256_set_epi8(
1004 0, 0, 0, 0, 10, 11, 9, 8, 7, 6, 5, 4, 3, 1, 2, 0,
1005 0, 0, 0, 0, 0, 0, 0, 0, 5, 6, 7, 4, 1, 2, 3, 0
1006 );
1007
1008 return _mm256_shuffle_epi8(c, m);
1009}
1010
1011static inline cube_t
1012_move_B3(cube_t c)
1013{
1014 cube_t m = _mm256_set_epi8(
1015 0, 0, 0, 0, 17, 18, 9, 8, 7, 6, 5, 4, 3, 27, 26, 0,
1016 0, 0, 0, 0, 0, 0, 0, 0, 67, 6, 65, 4, 37, 2, 39, 0
1017 );
1018
1019 return _compose(c, m);
1020}
1021
1022static inline cube_t
1023_trans_UFr(cube_t c)
1024{
1025 cube_t ret;
1026
1027 cube_t tn = _mm256_set_epi8(
1028 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
1029 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 5, 4, 3, 2, 1, 0
1030 );
1031 cube_t ti = _mm256_set_epi8(
1032 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
1033 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 5, 4, 3, 2, 1, 0
1034 );
1035
1036 ret = compose(tn, c);
1037 ret = compose(ret, ti);
1038
1039 return ret;
1040}
1041
1042static inline cube_t
1043_trans_ULr(cube_t c)
1044{
1045 cube_t ret;
1046
1047 cube_t tn = _mm256_set_epi8(
1048 0, 0, 0, 0, 24, 27, 26, 25, 3, 2, 1, 0, 6, 7, 4, 5,
1049 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 0, 1, 6, 7, 5, 4
1050 );
1051 cube_t ti = _mm256_set_epi8(
1052 0, 0, 0, 0, 26, 25, 24, 27, 2, 3, 0, 1, 7, 6, 5, 4,
1053 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 1, 0, 7, 6, 4, 5
1054 );
1055
1056 ret = compose(tn, c);
1057 ret = compose(ret, ti);
1058
1059 return ret;
1060}
1061
1062static inline cube_t
1063_trans_UBr(cube_t c)
1064{
1065 cube_t ret;
1066
1067 cube_t tn = _mm256_set_epi8(
1068 0, 0, 0, 0, 9, 8, 11, 10, 6, 7, 4, 5, 2, 3, 0, 1,
1069 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 4, 5, 2, 3, 0, 1
1070 );
1071 cube_t ti = _mm256_set_epi8(
1072 0, 0, 0, 0, 9, 8, 11, 10, 6, 7, 4, 5, 2, 3, 0, 1,
1073 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 4, 5, 2, 3, 0, 1
1074 );
1075
1076 ret = compose(tn, c);
1077 ret = compose(ret, ti);
1078
1079 return ret;
1080}
1081
1082static inline cube_t
1083_trans_URr(cube_t c)
1084{
1085 cube_t ret;
1086
1087 cube_t tn = _mm256_set_epi8(
1088 0, 0, 0, 0, 26, 25, 24, 27, 2, 3, 0, 1, 7, 6, 5, 4,
1089 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 1, 0, 7, 6, 4, 5
1090 );
1091 cube_t ti = _mm256_set_epi8(
1092 0, 0, 0, 0, 24, 27, 26, 25, 3, 2, 1, 0, 6, 7, 4, 5,
1093 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 0, 1, 6, 7, 5, 4
1094 );
1095
1096 ret = compose(tn, c);
1097 ret = compose(ret, ti);
1098
1099 return ret;
1100}
1101
1102static inline cube_t
1103_trans_DFr(cube_t c)
1104{
1105 cube_t ret;
1106
1107 cube_t tn = _mm256_set_epi8(
1108 0, 0, 0, 0, 10, 11, 8, 9, 5, 4, 7, 6, 0, 1, 2, 3,
1109 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 7, 6, 1, 0, 3, 2
1110 );
1111 cube_t ti = _mm256_set_epi8(
1112 0, 0, 0, 0, 10, 11, 8, 9, 5, 4, 7, 6, 0, 1, 2, 3,
1113 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 7, 6, 1, 0, 3, 2
1114 );
1115
1116 ret = compose(tn, c);
1117 ret = compose(ret, ti);
1118
1119 return ret;
1120}
1121
1122static inline cube_t
1123_trans_DLr(cube_t c)
1124{
1125 cube_t ret;
1126
1127 cube_t tn = _mm256_set_epi8(
1128 0, 0, 0, 0, 27, 24, 25, 26, 1, 0, 3, 2, 5, 4, 7, 6,
1129 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 2, 5, 4, 6, 7
1130 );
1131 cube_t ti = _mm256_set_epi8(
1132 0, 0, 0, 0, 27, 24, 25, 26, 1, 0, 3, 2, 5, 4, 7, 6,
1133 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 2, 5, 4, 6, 7
1134 );
1135
1136 ret = compose(tn, c);
1137 ret = compose(ret, ti);
1138
1139 return ret;
1140}
1141
1142static inline cube_t
1143_trans_DBr(cube_t c)
1144{
1145 cube_t ret;
1146
1147 cube_t tn = _mm256_set_epi8(
1148 0, 0, 0, 0, 8, 9, 10, 11, 4, 5, 6, 7, 1, 0, 3, 2,
1149 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 6, 7, 0, 1, 2, 3
1150 );
1151 cube_t ti = _mm256_set_epi8(
1152 0, 0, 0, 0, 8, 9, 10, 11, 4, 5, 6, 7, 1, 0, 3, 2,
1153 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 6, 7, 0, 1, 2, 3
1154 );
1155
1156 ret = compose(tn, c);
1157 ret = compose(ret, ti);
1158
1159 return ret;
1160}
1161
1162static inline cube_t
1163_trans_DRr(cube_t c)
1164{
1165 cube_t ret;
1166
1167 cube_t tn = _mm256_set_epi8(
1168 0, 0, 0, 0, 25, 26, 27, 24, 0, 1, 2, 3, 4, 5, 6, 7,
1169 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 3, 4, 5, 7, 6
1170 );
1171 cube_t ti = _mm256_set_epi8(
1172 0, 0, 0, 0, 25, 26, 27, 24, 0, 1, 2, 3, 4, 5, 6, 7,
1173 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 3, 4, 5, 7, 6
1174 );
1175
1176 ret = compose(tn, c);
1177 ret = compose(ret, ti);
1178
1179 return ret;
1180}
1181
1182static inline cube_t
1183_trans_RUr(cube_t c)
1184{
1185 cube_t ret;
1186
1187 cube_t tn = _mm256_set_epi8(
1188 0, 0, 0, 0, 3, 2, 1, 0, 25, 26, 27, 24, 21, 22, 23, 20,
1189 0, 0, 0, 0, 0, 0, 0, 0, 39, 36, 38, 37, 66, 65, 67, 64
1190 );
1191 cube_t ti = _mm256_set_epi8(
1192 0, 0, 0, 0, 21, 22, 23, 20, 17, 18, 19, 16, 11, 10, 9, 8,
1193 0, 0, 0, 0, 0, 0, 0, 0, 71, 69, 68, 70, 33, 35, 34, 32
1194 );
1195
1196 ret = compose(tn, c);
1197 ret = compose(ret, ti);
1198
1199 return ret;
1200}
1201
1202static inline cube_t
1203_trans_RFr(cube_t c)
1204{
1205 cube_t ret;
1206
1207 cube_t tn = _mm256_set_epi8(
1208 0, 0, 0, 0, 18, 17, 16, 19, 22, 21, 20, 23, 25, 26, 27, 24,
1209 0, 0, 0, 0, 0, 0, 0, 0, 65, 66, 67, 64, 39, 36, 37, 38
1210 );
1211 cube_t ti = _mm256_set_epi8(
1212 0, 0, 0, 0, 17, 18, 19, 16, 20, 23, 22, 21, 24, 27, 26, 25,
1213 0, 0, 0, 0, 0, 0, 0, 0, 67, 64, 65, 66, 37, 38, 39, 36
1214 );
1215
1216 ret = compose(tn, c);
1217 ret = compose(ret, ti);
1218
1219 return ret;
1220}
1221
1222static inline cube_t
1223_trans_RDr(cube_t c)
1224{
1225 cube_t ret;
1226
1227 cube_t tn = _mm256_set_epi8(
1228 0, 0, 0, 0, 1, 0, 3, 2, 26, 25, 24, 27, 22, 21, 20, 23,
1229 0, 0, 0, 0, 0, 0, 0, 0, 36, 39, 37, 38, 65, 66, 64, 67
1230 );
1231 cube_t ti = _mm256_set_epi8(
1232 0, 0, 0, 0, 20, 23, 22, 21, 16, 19, 18, 17, 9, 8, 11, 10,
1233 0, 0, 0, 0, 0, 0, 0, 0, 70, 68, 69, 71, 32, 34, 35, 33
1234 );
1235
1236 ret = compose(tn, c);
1237 ret = compose(ret, ti);
1238
1239 return ret;
1240}
1241
1242static inline cube_t
1243_trans_RBr(cube_t c)
1244{
1245 cube_t ret;
1246
1247 cube_t tn = _mm256_set_epi8(
1248 0, 0, 0, 0, 16, 19, 18, 17, 21, 22, 23, 20, 26, 25, 24, 27,
1249 0, 0, 0, 0, 0, 0, 0, 0, 66, 65, 64, 67, 36, 39, 38, 37
1250 );
1251 cube_t ti = _mm256_set_epi8(
1252 0, 0, 0, 0, 16, 19, 18, 17, 21, 22, 23, 20, 26, 25, 24, 27,
1253 0, 0, 0, 0, 0, 0, 0, 0, 66, 65, 64, 67, 36, 39, 38, 37
1254 );
1255
1256 ret = compose(tn, c);
1257 ret = compose(ret, ti);
1258
1259 return ret;
1260}
1261
1262static inline cube_t
1263_trans_LUr(cube_t c)
1264{
1265 cube_t ret;
1266
1267 cube_t tn = _mm256_set_epi8(
1268 0, 0, 0, 0, 2, 3, 0, 1, 27, 24, 25, 26, 20, 23, 22, 21,
1269 0, 0, 0, 0, 0, 0, 0, 0, 38, 37, 39, 36, 67, 64, 66, 65
1270 );
1271 cube_t ti = _mm256_set_epi8(
1272 0, 0, 0, 0, 23, 20, 21, 22, 18, 17, 16, 19, 10, 11, 8, 9,
1273 0, 0, 0, 0, 0, 0, 0, 0, 69, 71, 70, 68, 35, 33, 32, 34
1274 );
1275
1276 ret = compose(tn, c);
1277 ret = compose(ret, ti);
1278
1279 return ret;
1280}
1281
1282static inline cube_t
1283_trans_LFr(cube_t c)
1284{
1285 cube_t ret;
1286
1287 cube_t tn = _mm256_set_epi8(
1288 0, 0, 0, 0, 17, 18, 19, 16, 20, 23, 22, 21, 24, 27, 26, 25,
1289 0, 0, 0, 0, 0, 0, 0, 0, 67, 64, 65, 66, 37, 38, 39, 36
1290 );
1291 cube_t ti = _mm256_set_epi8(
1292 0, 0, 0, 0, 18, 17, 16, 19, 22, 21, 20, 23, 25, 26, 27, 24,
1293 0, 0, 0, 0, 0, 0, 0, 0, 65, 66, 67, 64, 39, 36, 37, 38
1294 );
1295
1296 ret = compose(tn, c);
1297 ret = compose(ret, ti);
1298
1299 return ret;
1300}
1301
1302static inline cube_t
1303_trans_LDr(cube_t c)
1304{
1305 cube_t ret;
1306
1307 cube_t tn = _mm256_set_epi8(
1308 0, 0, 0, 0, 0, 1, 2, 3, 24, 27, 26, 25, 23, 20, 21, 22,
1309 0, 0, 0, 0, 0, 0, 0, 0, 37, 38, 36, 39, 64, 67, 65, 66
1310 );
1311 cube_t ti = _mm256_set_epi8(
1312 0, 0, 0, 0, 22, 21, 20, 23, 19, 16, 17, 18, 8, 9, 10, 11,
1313 0, 0, 0, 0, 0, 0, 0, 0, 68, 70, 71, 69, 34, 32, 33, 35
1314 );
1315
1316 ret = compose(tn, c);
1317 ret = compose(ret, ti);
1318
1319 return ret;
1320}
1321
1322static inline cube_t
1323_trans_LBr(cube_t c)
1324{
1325 cube_t ret;
1326
1327 cube_t tn = _mm256_set_epi8(
1328 0, 0, 0, 0, 19, 16, 17, 18, 23, 20, 21, 22, 27, 24, 25, 26,
1329 0, 0, 0, 0, 0, 0, 0, 0, 64, 67, 66, 65, 38, 37, 36, 39
1330 );
1331 cube_t ti = _mm256_set_epi8(
1332 0, 0, 0, 0, 19, 16, 17, 18, 23, 20, 21, 22, 27, 24, 25, 26,
1333 0, 0, 0, 0, 0, 0, 0, 0, 64, 67, 66, 65, 38, 37, 36, 39
1334 );
1335
1336 ret = compose(tn, c);
1337 ret = compose(ret, ti);
1338
1339 return ret;
1340}
1341
1342static inline cube_t
1343_trans_FUr(cube_t c)
1344{
1345 cube_t ret;
1346
1347 cube_t tn = _mm256_set_epi8(
1348 0, 0, 0, 0, 6, 7, 4, 5, 10, 11, 8, 9, 17, 18, 19, 16,
1349 0, 0, 0, 0, 0, 0, 0, 0, 35, 33, 34, 32, 71, 69, 70, 68
1350 );
1351 cube_t ti = _mm256_set_epi8(
1352 0, 0, 0, 0, 6, 7, 4, 5, 10, 11, 8, 9, 17, 18, 19, 16,
1353 0, 0, 0, 0, 0, 0, 0, 0, 35, 33, 34, 32, 71, 69, 70, 68
1354 );
1355
1356 ret = compose(tn, c);
1357 ret = compose(ret, ti);
1358
1359 return ret;
1360}
1361
1362static inline cube_t
1363_trans_FRr(cube_t c)
1364{
1365 cube_t ret;
1366
1367 cube_t tn = _mm256_set_epi8(
1368 0, 0, 0, 0, 21, 22, 23, 20, 17, 18, 19, 16, 11, 10, 9, 8,
1369 0, 0, 0, 0, 0, 0, 0, 0, 71, 69, 68, 70, 33, 35, 34, 32
1370 );
1371 cube_t ti = _mm256_set_epi8(
1372 0, 0, 0, 0, 3, 2, 1, 0, 25, 26, 27, 24, 21, 22, 23, 20,
1373 0, 0, 0, 0, 0, 0, 0, 0, 39, 36, 38, 37, 66, 65, 67, 64
1374 );
1375
1376 ret = compose(tn, c);
1377 ret = compose(ret, ti);
1378
1379 return ret;
1380}
1381
1382static inline cube_t
1383_trans_FDr(cube_t c)
1384{
1385 cube_t ret;
1386
1387 cube_t tn = _mm256_set_epi8(
1388 0, 0, 0, 0, 4, 5, 6, 7, 11, 10, 9, 8, 18, 17, 16, 19,
1389 0, 0, 0, 0, 0, 0, 0, 0, 33, 35, 32, 34, 69, 71, 68, 70
1390 );
1391 cube_t ti = _mm256_set_epi8(
1392 0, 0, 0, 0, 7, 6, 5, 4, 8, 9, 10, 11, 16, 19, 18, 17,
1393 0, 0, 0, 0, 0, 0, 0, 0, 34, 32, 35, 33, 70, 68, 71, 69
1394 );
1395
1396 ret = compose(tn, c);
1397 ret = compose(ret, ti);
1398
1399 return ret;
1400}
1401
1402static inline cube_t
1403_trans_FLr(cube_t c)
1404{
1405 cube_t ret;
1406
1407 cube_t tn = _mm256_set_epi8(
1408 0, 0, 0, 0, 23, 20, 21, 22, 18, 17, 16, 19, 10, 11, 8, 9,
1409 0, 0, 0, 0, 0, 0, 0, 0, 69, 71, 70, 68, 35, 33, 32, 34
1410 );
1411 cube_t ti = _mm256_set_epi8(
1412 0, 0, 0, 0, 2, 3, 0, 1, 27, 24, 25, 26, 20, 23, 22, 21,
1413 0, 0, 0, 0, 0, 0, 0, 0, 38, 37, 39, 36, 67, 64, 66, 65
1414 );
1415
1416 ret = compose(tn, c);
1417 ret = compose(ret, ti);
1418
1419 return ret;
1420}
1421
1422static inline cube_t
1423_trans_BUr(cube_t c)
1424{
1425 cube_t ret;
1426
1427 cube_t tn = _mm256_set_epi8(
1428 0, 0, 0, 0, 7, 6, 5, 4, 8, 9, 10, 11, 16, 19, 18, 17,
1429 0, 0, 0, 0, 0, 0, 0, 0, 34, 32, 35, 33, 70, 68, 71, 69
1430 );
1431 cube_t ti = _mm256_set_epi8(
1432 0, 0, 0, 0, 4, 5, 6, 7, 11, 10, 9, 8, 18, 17, 16, 19,
1433 0, 0, 0, 0, 0, 0, 0, 0, 33, 35, 32, 34, 69, 71, 68, 70
1434 );
1435
1436 ret = compose(tn, c);
1437 ret = compose(ret, ti);
1438
1439 return ret;
1440}
1441
1442static inline cube_t
1443_trans_BRr(cube_t c)
1444{
1445 cube_t ret;
1446
1447 cube_t tn = _mm256_set_epi8(
1448 0, 0, 0, 0, 22, 21, 20, 23, 19, 16, 17, 18, 8, 9, 10, 11,
1449 0, 0, 0, 0, 0, 0, 0, 0, 68, 70, 71, 69, 34, 32, 33, 35
1450 );
1451 cube_t ti = _mm256_set_epi8(
1452 0, 0, 0, 0, 0, 1, 2, 3, 24, 27, 26, 25, 23, 20, 21, 22,
1453 0, 0, 0, 0, 0, 0, 0, 0, 37, 38, 36, 39, 64, 67, 65, 66
1454 );
1455
1456 ret = compose(tn, c);
1457 ret = compose(ret, ti);
1458
1459 return ret;
1460}
1461
1462static inline cube_t
1463_trans_BDr(cube_t c)
1464{
1465 cube_t ret;
1466
1467 cube_t tn = _mm256_set_epi8(
1468 0, 0, 0, 0, 5, 4, 7, 6, 9, 8, 11, 10, 19, 16, 17, 18,
1469 0, 0, 0, 0, 0, 0, 0, 0, 32, 34, 33, 35, 68, 70, 69, 71
1470 );
1471 cube_t ti = _mm256_set_epi8(
1472 0, 0, 0, 0, 5, 4, 7, 6, 9, 8, 11, 10, 19, 16, 17, 18,
1473 0, 0, 0, 0, 0, 0, 0, 0, 32, 34, 33, 35, 68, 70, 69, 71
1474 );
1475
1476 ret = compose(tn, c);
1477 ret = compose(ret, ti);
1478
1479 return ret;
1480}
1481
1482static inline cube_t
1483_trans_BLr(cube_t c)
1484{
1485 cube_t ret;
1486
1487 cube_t tn = _mm256_set_epi8(
1488 0, 0, 0, 0, 20, 23, 22, 21, 16, 19, 18, 17, 9, 8, 11, 10,
1489 0, 0, 0, 0, 0, 0, 0, 0, 70, 68, 69, 71, 32, 34, 35, 33
1490 );
1491 cube_t ti = _mm256_set_epi8(
1492 0, 0, 0, 0, 1, 0, 3, 2, 26, 25, 24, 27, 22, 21, 20, 23,
1493 0, 0, 0, 0, 0, 0, 0, 0, 36, 39, 37, 38, 65, 66, 64, 67
1494 );
1495
1496 ret = compose(tn, c);
1497 ret = compose(ret, ti);
1498
1499 return ret;
1500}
1501
1502static inline cube_t
1503_trans_UFm(cube_t c)
1504{
1505 cube_t ret;
1506
1507 cube_t tn = _mm256_set_epi8(
1508 0, 0, 0, 0, 10, 11, 8, 9, 6, 7, 4, 5, 3, 2, 1, 0,
1509 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 1, 0, 7, 6, 5, 4
1510 );
1511 cube_t ti = _mm256_set_epi8(
1512 0, 0, 0, 0, 10, 11, 8, 9, 6, 7, 4, 5, 3, 2, 1, 0,
1513 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 1, 0, 7, 6, 5, 4
1514 );
1515
1516 ret = compose(tn, c);
1517 ret = compose(ret, ti);
1518 ret = _invertco(ret);
1519
1520 return ret;
1521}
1522
1523static inline cube_t
1524_trans_ULm(cube_t c)
1525{
1526 cube_t ret;
1527
1528 cube_t tn = _mm256_set_epi8(
1529 0, 0, 0, 0, 25, 26, 27, 24, 3, 2, 1, 0, 7, 6, 5, 4,
1530 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 4, 5, 2, 3, 1, 0
1531 );
1532 cube_t ti = _mm256_set_epi8(
1533 0, 0, 0, 0, 25, 26, 27, 24, 3, 2, 1, 0, 7, 6, 5, 4,
1534 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 4, 5, 2, 3, 1, 0
1535 );
1536
1537 ret = compose(tn, c);
1538 ret = compose(ret, ti);
1539 ret = _invertco(ret);
1540
1541 return ret;
1542}
1543
1544static inline cube_t
1545_trans_UBm(cube_t c)
1546{
1547 cube_t ret;
1548
1549 cube_t tn = _mm256_set_epi8(
1550 0, 0, 0, 0, 8, 9, 10, 11, 7, 6, 5, 4, 2, 3, 0, 1,
1551 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 1, 6, 7, 4, 5
1552 );
1553 cube_t ti = _mm256_set_epi8(
1554 0, 0, 0, 0, 8, 9, 10, 11, 7, 6, 5, 4, 2, 3, 0, 1,
1555 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 1, 6, 7, 4, 5
1556 );
1557
1558 ret = compose(tn, c);
1559 ret = compose(ret, ti);
1560 ret = _invertco(ret);
1561
1562 return ret;
1563}
1564
1565static inline cube_t
1566_trans_URm(cube_t c)
1567{
1568 cube_t ret;
1569
1570 cube_t tn = _mm256_set_epi8(
1571 0, 0, 0, 0, 27, 24, 25, 26, 2, 3, 0, 1, 6, 7, 4, 5,
1572 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 5, 4, 3, 2, 0, 1
1573 );
1574 cube_t ti = _mm256_set_epi8(
1575 0, 0, 0, 0, 27, 24, 25, 26, 2, 3, 0, 1, 6, 7, 4, 5,
1576 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 5, 4, 3, 2, 0, 1
1577 );
1578
1579 ret = compose(tn, c);
1580 ret = compose(ret, ti);
1581 ret = _invertco(ret);
1582
1583 return ret;
1584}
1585
1586static inline cube_t
1587_trans_DFm(cube_t c)
1588{
1589 cube_t ret;
1590
1591 cube_t tn = _mm256_set_epi8(
1592 0, 0, 0, 0, 11, 10, 9, 8, 4, 5, 6, 7, 0, 1, 2, 3,
1593 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 2, 5, 4, 7, 6
1594 );
1595 cube_t ti = _mm256_set_epi8(
1596 0, 0, 0, 0, 11, 10, 9, 8, 4, 5, 6, 7, 0, 1, 2, 3,
1597 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 2, 5, 4, 7, 6
1598 );
1599
1600 ret = compose(tn, c);
1601 ret = compose(ret, ti);
1602 ret = _invertco(ret);
1603
1604 return ret;
1605}
1606
1607static inline cube_t
1608_trans_DLm(cube_t c)
1609{
1610 cube_t ret;
1611
1612 cube_t tn = _mm256_set_epi8(
1613 0, 0, 0, 0, 26, 25, 24, 27, 1, 0, 3, 2, 4, 5, 6, 7,
1614 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 7, 6, 1, 0, 2, 3
1615 );
1616 cube_t ti = _mm256_set_epi8(
1617 0, 0, 0, 0, 24, 27, 26, 25, 0, 1, 2, 3, 5, 4, 7, 6,
1618 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 6, 7, 0, 1, 3, 2
1619 );
1620
1621 ret = compose(tn, c);
1622 ret = compose(ret, ti);
1623 ret = _invertco(ret);
1624
1625 return ret;
1626}
1627
1628static inline cube_t
1629_trans_DBm(cube_t c)
1630{
1631 cube_t ret;
1632
1633 cube_t tn = _mm256_set_epi8(
1634 0, 0, 0, 0, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2,
1635 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7
1636 );
1637 cube_t ti = _mm256_set_epi8(
1638 0, 0, 0, 0, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2,
1639 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7
1640 );
1641
1642 ret = compose(tn, c);
1643 ret = compose(ret, ti);
1644 ret = _invertco(ret);
1645
1646 return ret;
1647}
1648
1649static inline cube_t
1650_trans_DRm(cube_t c)
1651{
1652 cube_t ret;
1653
1654 cube_t tn = _mm256_set_epi8(
1655 0, 0, 0, 0, 24, 27, 26, 25, 0, 1, 2, 3, 5, 4, 7, 6,
1656 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 6, 7, 0, 1, 3, 2
1657 );
1658 cube_t ti = _mm256_set_epi8(
1659 0, 0, 0, 0, 26, 25, 24, 27, 1, 0, 3, 2, 4, 5, 6, 7,
1660 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 7, 6, 1, 0, 2, 3
1661 );
1662
1663 ret = compose(tn, c);
1664 ret = compose(ret, ti);
1665 ret = _invertco(ret);
1666
1667 return ret;
1668}
1669
1670static inline cube_t
1671_trans_RUm(cube_t c)
1672{
1673 cube_t ret;
1674
1675 cube_t tn = _mm256_set_epi8(
1676 0, 0, 0, 0, 3, 2, 1, 0, 24, 27, 26, 25, 20, 23, 22, 21,
1677 0, 0, 0, 0, 0, 0, 0, 0, 35, 32, 34, 33, 70, 69, 71, 68
1678 );
1679 cube_t ti = _mm256_set_epi8(
1680 0, 0, 0, 0, 22, 21, 20, 23, 18, 17, 16, 19, 11, 10, 9, 8,
1681 0, 0, 0, 0, 0, 0, 0, 0, 33, 35, 34, 32, 71, 69, 68, 70
1682 );
1683
1684 ret = compose(tn, c);
1685 ret = compose(ret, ti);
1686 ret = _invertco(ret);
1687
1688 return ret;
1689}
1690
1691static inline cube_t
1692_trans_RFm(cube_t c)
1693{
1694 cube_t ret;
1695
1696 cube_t tn = _mm256_set_epi8(
1697 0, 0, 0, 0, 18, 17, 16, 19, 23, 20, 21, 22, 24, 27, 26, 25,
1698 0, 0, 0, 0, 0, 0, 0, 0, 69, 70, 71, 68, 35, 32, 33, 34
1699 );
1700 cube_t ti = _mm256_set_epi8(
1701 0, 0, 0, 0, 18, 17, 16, 19, 23, 20, 21, 22, 24, 27, 26, 25,
1702 0, 0, 0, 0, 0, 0, 0, 0, 37, 38, 39, 36, 67, 64, 65, 66
1703 );
1704
1705 ret = compose(tn, c);
1706 ret = compose(ret, ti);
1707 ret = _invertco(ret);
1708
1709 return ret;
1710}
1711
1712static inline cube_t
1713_trans_RDm(cube_t c)
1714{
1715 cube_t ret;
1716
1717 cube_t tn = _mm256_set_epi8(
1718 0, 0, 0, 0, 1, 0, 3, 2, 27, 24, 25, 26, 23, 20, 21, 22,
1719 0, 0, 0, 0, 0, 0, 0, 0, 32, 35, 33, 34, 69, 70, 68, 71
1720 );
1721 cube_t ti = _mm256_set_epi8(
1722 0, 0, 0, 0, 23, 20, 21, 22, 19, 16, 17, 18, 9, 8, 11, 10,
1723 0, 0, 0, 0, 0, 0, 0, 0, 32, 34, 35, 33, 70, 68, 69, 71
1724 );
1725
1726 ret = compose(tn, c);
1727 ret = compose(ret, ti);
1728 ret = _invertco(ret);
1729
1730 return ret;
1731}
1732
1733static inline cube_t
1734_trans_RBm(cube_t c)
1735{
1736 cube_t ret;
1737
1738 cube_t tn = _mm256_set_epi8(
1739 0, 0, 0, 0, 16, 19, 18, 17, 20, 23, 22, 21, 27, 24, 25, 26,
1740 0, 0, 0, 0, 0, 0, 0, 0, 70, 69, 68, 71, 32, 35, 34, 33
1741 );
1742 cube_t ti = _mm256_set_epi8(
1743 0, 0, 0, 0, 19, 16, 17, 18, 22, 21, 20, 23, 26, 25, 24, 27,
1744 0, 0, 0, 0, 0, 0, 0, 0, 36, 39, 38, 37, 66, 65, 64, 67
1745 );
1746
1747 ret = compose(tn, c);
1748 ret = compose(ret, ti);
1749 ret = _invertco(ret);
1750
1751 return ret;
1752}
1753
1754static inline cube_t
1755_trans_LUm(cube_t c)
1756{
1757 cube_t ret;
1758
1759 cube_t tn = _mm256_set_epi8(
1760 0, 0, 0, 0, 2, 3, 0, 1, 26, 25, 24, 27, 21, 22, 23, 20,
1761 0, 0, 0, 0, 0, 0, 0, 0, 34, 33, 35, 32, 71, 68, 70, 69
1762 );
1763 cube_t ti = _mm256_set_epi8(
1764 0, 0, 0, 0, 20, 23, 22, 21, 17, 18, 19, 16, 10, 11, 8, 9,
1765 0, 0, 0, 0, 0, 0, 0, 0, 35, 33, 32, 34, 69, 71, 70, 68
1766 );
1767
1768 ret = compose(tn, c);
1769 ret = compose(ret, ti);
1770 ret = _invertco(ret);
1771
1772 return ret;
1773}
1774
1775static inline cube_t
1776_trans_LFm(cube_t c)
1777{
1778 cube_t ret;
1779
1780 cube_t tn = _mm256_set_epi8(
1781 0, 0, 0, 0, 17, 18, 19, 16, 21, 22, 23, 20, 25, 26, 27, 24,
1782 0, 0, 0, 0, 0, 0, 0, 0, 71, 68, 69, 70, 33, 34, 35, 32
1783 );
1784 cube_t ti = _mm256_set_epi8(
1785 0, 0, 0, 0, 17, 18, 19, 16, 21, 22, 23, 20, 25, 26, 27, 24,
1786 0, 0, 0, 0, 0, 0, 0, 0, 39, 36, 37, 38, 65, 66, 67, 64
1787 );
1788
1789 ret = compose(tn, c);
1790 ret = compose(ret, ti);
1791 ret = _invertco(ret);
1792
1793 return ret;
1794}
1795
1796static inline cube_t
1797_trans_LDm(cube_t c)
1798{
1799 cube_t ret;
1800
1801 cube_t tn = _mm256_set_epi8(
1802 0, 0, 0, 0, 0, 1, 2, 3, 25, 26, 27, 24, 22, 21, 20, 23,
1803 0, 0, 0, 0, 0, 0, 0, 0, 33, 34, 32, 35, 68, 71, 69, 70
1804 );
1805 cube_t ti = _mm256_set_epi8(
1806 0, 0, 0, 0, 21, 22, 23, 20, 16, 19, 18, 17, 8, 9, 10, 11,
1807 0, 0, 0, 0, 0, 0, 0, 0, 34, 32, 33, 35, 68, 70, 71, 69
1808 );
1809
1810 ret = compose(tn, c);
1811 ret = compose(ret, ti);
1812 ret = _invertco(ret);
1813
1814 return ret;
1815}
1816
1817static inline cube_t
1818_trans_LBm(cube_t c)
1819{
1820 cube_t ret;
1821
1822 cube_t tn = _mm256_set_epi8(
1823 0, 0, 0, 0, 19, 16, 17, 18, 22, 21, 20, 23, 26, 25, 24, 27,
1824 0, 0, 0, 0, 0, 0, 0, 0, 68, 71, 70, 69, 34, 33, 32, 35
1825 );
1826 cube_t ti = _mm256_set_epi8(
1827 0, 0, 0, 0, 16, 19, 18, 17, 20, 23, 22, 21, 27, 24, 25, 26,
1828 0, 0, 0, 0, 0, 0, 0, 0, 38, 37, 36, 39, 64, 67, 66, 65
1829 );
1830
1831 ret = compose(tn, c);
1832 ret = compose(ret, ti);
1833 ret = _invertco(ret);
1834
1835 return ret;
1836}
1837
1838static inline cube_t
1839_trans_FUm(cube_t c)
1840{
1841 cube_t ret;
1842
1843 cube_t tn = _mm256_set_epi8(
1844 0, 0, 0, 0, 7, 6, 5, 4, 11, 10, 9, 8, 17, 18, 19, 16,
1845 0, 0, 0, 0, 0, 0, 0, 0, 39, 37, 38, 36, 67, 65, 66, 64
1846 );
1847 cube_t ti = _mm256_set_epi8(
1848 0, 0, 0, 0, 7, 6, 5, 4, 11, 10, 9, 8, 17, 18, 19, 16,
1849 0, 0, 0, 0, 0, 0, 0, 0, 71, 69, 70, 68, 35, 33, 34, 32
1850 );
1851
1852 ret = compose(tn, c);
1853 ret = compose(ret, ti);
1854 ret = _invertco(ret);
1855
1856 return ret;
1857}
1858
1859static inline cube_t
1860_trans_FRm(cube_t c)
1861{
1862 cube_t ret;
1863
1864 cube_t tn = _mm256_set_epi8(
1865 0, 0, 0, 0, 20, 23, 22, 21, 17, 18, 19, 16, 10, 11, 8, 9,
1866 0, 0, 0, 0, 0, 0, 0, 0, 67, 65, 64, 66, 37, 39, 38, 36
1867 );
1868 cube_t ti = _mm256_set_epi8(
1869 0, 0, 0, 0, 2, 3, 0, 1, 26, 25, 24, 27, 21, 22, 23, 20,
1870 0, 0, 0, 0, 0, 0, 0, 0, 66, 65, 67, 64, 39, 36, 38, 37
1871 );
1872
1873 ret = compose(tn, c);
1874 ret = compose(ret, ti);
1875 ret = _invertco(ret);
1876
1877 return ret;
1878}
1879
1880static inline cube_t
1881_trans_FDm(cube_t c)
1882{
1883 cube_t ret;
1884
1885 cube_t tn = _mm256_set_epi8(
1886 0, 0, 0, 0, 5, 4, 7, 6, 10, 11, 8, 9, 18, 17, 16, 19,
1887 0, 0, 0, 0, 0, 0, 0, 0, 37, 39, 36, 38, 65, 67, 64, 66
1888 );
1889 cube_t ti = _mm256_set_epi8(
1890 0, 0, 0, 0, 6, 7, 4, 5, 9, 8, 11, 10, 16, 19, 18, 17,
1891 0, 0, 0, 0, 0, 0, 0, 0, 70, 68, 71, 69, 34, 32, 35, 33
1892 );
1893
1894 ret = compose(tn, c);
1895 ret = compose(ret, ti);
1896 ret = _invertco(ret);
1897
1898 return ret;
1899}
1900
1901static inline cube_t
1902_trans_FLm(cube_t c)
1903{
1904 cube_t ret;
1905
1906 cube_t tn = _mm256_set_epi8(
1907 0, 0, 0, 0, 22, 21, 20, 23, 18, 17, 16, 19, 11, 10, 9, 8,
1908 0, 0, 0, 0, 0, 0, 0, 0, 65, 67, 66, 64, 39, 37, 36, 38
1909 );
1910 cube_t ti = _mm256_set_epi8(
1911 0, 0, 0, 0, 3, 2, 1, 0, 24, 27, 26, 25, 20, 23, 22, 21,
1912 0, 0, 0, 0, 0, 0, 0, 0, 67, 64, 66, 65, 38, 37, 39, 36
1913 );
1914
1915 ret = compose(tn, c);
1916 ret = compose(ret, ti);
1917 ret = _invertco(ret);
1918
1919 return ret;
1920}
1921
1922static inline cube_t
1923_trans_BUm(cube_t c)
1924{
1925 cube_t ret;
1926
1927 cube_t tn = _mm256_set_epi8(
1928 0, 0, 0, 0, 6, 7, 4, 5, 9, 8, 11, 10, 16, 19, 18, 17,
1929 0, 0, 0, 0, 0, 0, 0, 0, 38, 36, 39, 37, 66, 64, 67, 65
1930 );
1931 cube_t ti = _mm256_set_epi8(
1932 0, 0, 0, 0, 5, 4, 7, 6, 10, 11, 8, 9, 18, 17, 16, 19,
1933 0, 0, 0, 0, 0, 0, 0, 0, 69, 71, 68, 70, 33, 35, 32, 34
1934 );
1935
1936 ret = compose(tn, c);
1937 ret = compose(ret, ti);
1938 ret = _invertco(ret);
1939
1940 return ret;
1941}
1942
1943static inline cube_t
1944_trans_BRm(cube_t c)
1945{
1946 cube_t ret;
1947
1948 cube_t tn = _mm256_set_epi8(
1949 0, 0, 0, 0, 23, 20, 21, 22, 19, 16, 17, 18, 9, 8, 11, 10,
1950 0, 0, 0, 0, 0, 0, 0, 0, 64, 66, 67, 65, 38, 36, 37, 39
1951 );
1952 cube_t ti = _mm256_set_epi8(
1953 0, 0, 0, 0, 1, 0, 3, 2, 27, 24, 25, 26, 23, 20, 21, 22,
1954 0, 0, 0, 0, 0, 0, 0, 0, 64, 67, 65, 66, 37, 38, 36, 39
1955 );
1956
1957 ret = compose(tn, c);
1958 ret = compose(ret, ti);
1959 ret = _invertco(ret);
1960
1961 return ret;
1962}
1963
1964static inline cube_t
1965_trans_BDm(cube_t c)
1966{
1967 cube_t ret;
1968
1969 cube_t tn = _mm256_set_epi8(
1970 0, 0, 0, 0, 4, 5, 6, 7, 8, 9, 10, 11, 19, 16, 17, 18,
1971 0, 0, 0, 0, 0, 0, 0, 0, 36, 38, 37, 39, 64, 66, 65, 67
1972 );
1973 cube_t ti = _mm256_set_epi8(
1974 0, 0, 0, 0, 4, 5, 6, 7, 8, 9, 10, 11, 19, 16, 17, 18,
1975 0, 0, 0, 0, 0, 0, 0, 0, 68, 70, 69, 71, 32, 34, 33, 35
1976 );
1977
1978 ret = compose(tn, c);
1979 ret = compose(ret, ti);
1980 ret = _invertco(ret);
1981
1982 return ret;
1983}
1984
1985static inline cube_t
1986_trans_BLm(cube_t c)
1987{
1988 cube_t ret;
1989
1990 cube_t tn = _mm256_set_epi8(
1991 0, 0, 0, 0, 21, 22, 23, 20, 16, 19, 18, 17, 8, 9, 10, 11,
1992 0, 0, 0, 0, 0, 0, 0, 0, 66, 64, 65, 67, 36, 38, 39, 37
1993 );
1994 cube_t ti = _mm256_set_epi8(
1995 0, 0, 0, 0, 0, 1, 2, 3, 25, 26, 27, 24, 22, 21, 20, 23,
1996 0, 0, 0, 0, 0, 0, 0, 0, 65, 66, 64, 67, 36, 39, 37, 38
1997 );
1998
1999 ret = compose(tn, c);
2000 ret = compose(ret, ti);
2001 ret = _invertco(ret);
2002
2003 return ret;
2004}
2005
2006static cube_t
2007_arraytocube(cube_array_t a)
2008{
2009 return _mm256_loadu_si256((__m256i_u *)&a);
2010}
2011
2012static void
2013_cubetoarray(cube_t c, cube_array_t *a)
2014{
2015 _mm256_storeu_si256((__m256i_u *)a, c);
2016}
2017
2018static inline bool
2019_equal(cube_t c1, cube_t c2)
2020{
2021 uint32_t mask;
2022 __m256i cmp;
2023
2024 cmp = _mm256_cmpeq_epi8(c1, c2);
2025 mask = _mm256_movemask_epi8(cmp);
2026
2027 return mask == 0xffffffffU;
2028}
2029
2030static inline cube_t
2031_invertco(cube_t c)
2032{
2033 cube_t co, shleft, shright, summed, newco, cleanco, ret;
2034
2035 co = _mm256_and_si256(c, _co2_avx2);
2036 shleft = _mm256_slli_epi32(co, 1);
2037 shright = _mm256_srli_epi32(co, 1);
2038 summed = _mm256_or_si256(shleft, shright);
2039 newco = _mm256_and_si256(summed, _co2_avx2);
2040 cleanco = _mm256_xor_si256(c, co);
2041 ret = _mm256_or_si256(cleanco, newco);
2042
2043 return ret;
2044}
2045
2046static inline cube_t
2047_inverse(cube_t c)
2048{
2049 /* Method taken from Andrew Skalski's vcube[1]. The addition sequence
2050 * was generated using [2].
2051 * [1] https://github.com/Voltara/vcube
2052 * [2] http://wwwhomes.uni-bielefeld.de/achim/addition_chain.html
2053 */
2054 cube_t v3, vi, vo, vp, ret;
2055
2056 v3 = _mm256_shuffle_epi8(c, c);
2057 v3 = _mm256_shuffle_epi8(v3, c);
2058 vi = _mm256_shuffle_epi8(v3, v3);
2059 vi = _mm256_shuffle_epi8(vi, vi);
2060 vi = _mm256_shuffle_epi8(vi, vi);
2061 vi = _mm256_shuffle_epi8(vi, v3);
2062 vi = _mm256_shuffle_epi8(vi, vi);
2063 vi = _mm256_shuffle_epi8(vi, vi);
2064 vi = _mm256_shuffle_epi8(vi, vi);
2065 vi = _mm256_shuffle_epi8(vi, vi);
2066 vi = _mm256_shuffle_epi8(vi, c);
2067 vi = _mm256_shuffle_epi8(vi, vi);
2068 vi = _mm256_shuffle_epi8(vi, vi);
2069 vi = _mm256_shuffle_epi8(vi, vi);
2070 vi = _mm256_shuffle_epi8(vi, vi);
2071 vi = _mm256_shuffle_epi8(vi, vi);
2072 vi = _mm256_shuffle_epi8(vi, v3);
2073 vi = _mm256_shuffle_epi8(vi, vi);
2074 vi = _mm256_shuffle_epi8(vi, c);
2075
2076 vo = _mm256_and_si256(c, _mm256_or_si256(_eo_avx2, _co2_avx2));
2077 vo = _mm256_shuffle_epi8(vo, vi);
2078 vp = _mm256_andnot_si256(_mm256_or_si256(_eo_avx2, _co2_avx2), vi);
2079 ret = _mm256_or_si256(vp, vo);
2080
2081 return _invertco(ret);
2082}
2083
2084static inline cube_t
2085_compose(cube_t c1, cube_t c2)
2086{
2087 cube_t ret;
2088
2089 cube_t s, eo2, ed, co1, co2, aux, auy1, auy2, auz1, auz2, coclean;
2090
2091 eo2 = _mm256_and_si256(c2, _eo_avx2);
2092 s = _mm256_shuffle_epi8(c1, c2);
2093 ed = _mm256_xor_si256(s, eo2);
2094 co1 = _mm256_and_si256(s, _co2_avx2);
2095 co2 = _mm256_and_si256(c2, _co2_avx2);
2096 aux = _mm256_add_epi8(co1, co2);
2097 auy1 = _mm256_add_epi8(aux, _cocw_avx2);
2098 auy2 = _mm256_srli_epi32(auy1, 2);
2099 auz1 = _mm256_add_epi8(aux, auy2);
2100 auz2 = _mm256_and_si256(auz1, _co2_avx2);
2101 coclean = _mm256_andnot_si256(_co2_avx2, ed);
2102 ret = _mm256_or_si256(coclean, auz2);
2103
2104 return ret;
2105}
2106
2107
2108/******************************************************************************
2109Section: portable fast methods
2110
2111This section contains performance-critical methods that do not use
2112advanced CPU instructions. They are used as an alternative to the ones
2113in the previous section(s) for unsupported architectures.
2114******************************************************************************/
2115
2116#else
2117
2118#define PERM4(r, i, j, k, l) \
2119 aux = r[i]; \
2120 r[i] = r[l]; \
2121 r[l] = r[k]; \
2122 r[k] = r[j]; \
2123 r[j] = aux;
2124#define PERM22(r, i, j, k, l) \
2125 aux = r[i]; \
2126 r[i] = r[j]; \
2127 r[j] = aux; \
2128 aux = r[k]; \
2129 r[k] = r[l]; \
2130 r[l] = aux;
2131#define CO(a, b) \
2132 aux = (a & _cobits) + (b & _cobits); \
2133 auy = (aux + _ctwist_cw) >> 2U; \
2134 auz = (aux + auy) & _cobits2; \
2135 a = (a & _pbits) | auz;
2136#define CO4(r, i, j, k, l) \
2137 CO(r[i], _ctwist_cw) \
2138 CO(r[j], _ctwist_cw) \
2139 CO(r[k], _ctwist_ccw) \
2140 CO(r[l], _ctwist_ccw)
2141#define EO4(r, i, j, k, l) \
2142 r[i] ^= _eobit; \
2143 r[j] ^= _eobit; \
2144 r[k] ^= _eobit; \
2145 r[l] ^= _eobit;
2146
2147static cube_t _arraytocube(cube_array_t);
2148static void _cubetoarray(cube_t, cube_array_t *);
2149static inline bool _equal(cube_t, cube_t);
2150static inline cube_t _invertco(cube_t);
2151static inline cube_t _inverse(cube_t);
2152static inline cube_t _compose(cube_t, cube_t);
2153
2154static inline cube_t
2155_move_U(cube_t c)
2156{
2157 uint8_t aux;
2158 cube_t ret = c;
2159
2160 PERM4(ret.e, _e_uf, _e_ul, _e_ub, _e_ur)
2161 PERM4(ret.c, _c_ufr, _c_ufl, _c_ubl, _c_ubr)
2162
2163 return ret;
2164}
2165
2166static inline cube_t
2167_move_U2(cube_t c)
2168{
2169 uint8_t aux;
2170 cube_t ret = c;
2171
2172 PERM22(ret.e, _e_uf, _e_ub, _e_ul, _e_ur)
2173 PERM22(ret.c, _c_ufr, _c_ubl, _c_ufl, _c_ubr)
2174
2175 return ret;
2176}
2177
2178static inline cube_t
2179_move_U3(cube_t c)
2180{
2181 uint8_t aux;
2182 cube_t ret = c;
2183
2184 PERM4(ret.e, _e_uf, _e_ur, _e_ub, _e_ul)
2185 PERM4(ret.c, _c_ufr, _c_ubr, _c_ubl, _c_ufl)
2186
2187 return ret;
2188}
2189
2190static inline cube_t
2191_move_D(cube_t c)
2192{
2193 uint8_t aux;
2194 cube_t ret = c;
2195
2196 PERM4(ret.e, _e_df, _e_dr, _e_db, _e_dl)
2197 PERM4(ret.c, _c_dfr, _c_dbr, _c_dbl, _c_dfl)
2198
2199 return ret;
2200}
2201
2202static inline cube_t
2203_move_D2(cube_t c)
2204{
2205 uint8_t aux;
2206 cube_t ret = c;
2207
2208 PERM22(ret.e, _e_df, _e_db, _e_dr, _e_dl)
2209 PERM22(ret.c, _c_dfr, _c_dbl, _c_dbr, _c_dfl)
2210
2211 return ret;
2212}
2213
2214static inline cube_t
2215_move_D3(cube_t c)
2216{
2217 uint8_t aux;
2218 cube_t ret = c;
2219
2220 PERM4(ret.e, _e_df, _e_dl, _e_db, _e_dr)
2221 PERM4(ret.c, _c_dfr, _c_dfl, _c_dbl, _c_dbr)
2222
2223 return ret;
2224}
2225
2226static inline cube_t
2227_move_R(cube_t c)
2228{
2229 uint8_t aux, auy, auz;
2230 cube_t ret = c;
2231
2232 PERM4(ret.e, _e_ur, _e_br, _e_dr, _e_fr)
2233 PERM4(ret.c, _c_ufr, _c_ubr, _c_dbr, _c_dfr)
2234
2235 CO4(ret.c, _c_ubr, _c_dfr, _c_ufr, _c_dbr)
2236
2237 return ret;
2238}
2239
2240static inline cube_t
2241_move_R2(cube_t c)
2242{
2243 uint8_t aux;
2244 cube_t ret = c;
2245
2246 PERM22(ret.e, _e_ur, _e_dr, _e_fr, _e_br)
2247 PERM22(ret.c, _c_ufr, _c_dbr, _c_ubr, _c_dfr)
2248
2249 return ret;
2250}
2251
2252static inline cube_t
2253_move_R3(cube_t c)
2254{
2255 uint8_t aux, auy, auz;
2256 cube_t ret = c;
2257
2258 PERM4(ret.e, _e_ur, _e_fr, _e_dr, _e_br)
2259 PERM4(ret.c, _c_ufr, _c_dfr, _c_dbr, _c_ubr)
2260
2261 CO4(ret.c, _c_ubr, _c_dfr, _c_ufr, _c_dbr)
2262
2263 return ret;
2264}
2265
2266static inline cube_t
2267_move_L(cube_t c)
2268{
2269 uint8_t aux, auy, auz;
2270 cube_t ret = c;
2271
2272 PERM4(ret.e, _e_ul, _e_fl, _e_dl, _e_bl)
2273 PERM4(ret.c, _c_ufl, _c_dfl, _c_dbl, _c_ubl)
2274
2275 CO4(ret.c, _c_ufl, _c_dbl, _c_dfl, _c_ubl)
2276
2277 return ret;
2278}
2279
2280static inline cube_t
2281_move_L2(cube_t c)
2282{
2283 uint8_t aux;
2284 cube_t ret = c;
2285
2286 PERM22(ret.e, _e_ul, _e_dl, _e_fl, _e_bl)
2287 PERM22(ret.c, _c_ufl, _c_dbl, _c_ubl, _c_dfl)
2288
2289 return ret;
2290}
2291
2292static inline cube_t
2293_move_L3(cube_t c)
2294{
2295 uint8_t aux, auy, auz;
2296 cube_t ret = c;
2297
2298 PERM4(ret.e, _e_ul, _e_bl, _e_dl, _e_fl)
2299 PERM4(ret.c, _c_ufl, _c_ubl, _c_dbl, _c_dfl)
2300
2301 CO4(ret.c, _c_ufl, _c_dbl, _c_dfl, _c_ubl)
2302
2303 return ret;
2304}
2305
2306static inline cube_t
2307_move_F(cube_t c)
2308{
2309 uint8_t aux, auy, auz;
2310 cube_t ret = c;
2311
2312 PERM4(ret.e, _e_uf, _e_fr, _e_df, _e_fl)
2313 PERM4(ret.c, _c_ufr, _c_dfr, _c_dfl, _c_ufl)
2314
2315 EO4(ret.e, _e_uf, _e_fr, _e_df, _e_fl)
2316 CO4(ret.c, _c_ufr, _c_dfl, _c_dfr, _c_ufl)
2317
2318 return ret;
2319}
2320
2321static inline cube_t
2322_move_F2(cube_t c)
2323{
2324 uint8_t aux;
2325 cube_t ret = c;
2326
2327 PERM22(ret.e, _e_uf, _e_df, _e_fr, _e_fl)
2328 PERM22(ret.c, _c_ufr, _c_dfl, _c_ufl, _c_dfr)
2329
2330 return ret;
2331}
2332
2333static inline cube_t
2334_move_F3(cube_t c)
2335{
2336 uint8_t aux, auy, auz;
2337 cube_t ret = c;
2338
2339 PERM4(ret.e, _e_uf, _e_fl, _e_df, _e_fr)
2340 PERM4(ret.c, _c_ufr, _c_ufl, _c_dfl, _c_dfr)
2341
2342 EO4(ret.e, _e_uf, _e_fr, _e_df, _e_fl)
2343 CO4(ret.c, _c_ufr, _c_dfl, _c_dfr, _c_ufl)
2344
2345 return ret;
2346}
2347
2348static inline cube_t
2349_move_B(cube_t c)
2350{
2351 uint8_t aux, auy, auz;
2352 cube_t ret = c;
2353
2354 PERM4(ret.e, _e_ub, _e_bl, _e_db, _e_br)
2355 PERM4(ret.c, _c_ubr, _c_ubl, _c_dbl, _c_dbr)
2356
2357 EO4(ret.e, _e_ub, _e_br, _e_db, _e_bl)
2358 CO4(ret.c, _c_ubl, _c_dbr, _c_dbl, _c_ubr)
2359
2360 return ret;
2361}
2362
2363static inline cube_t
2364_move_B2(cube_t c)
2365{
2366 uint8_t aux;
2367 cube_t ret = c;
2368
2369 PERM22(ret.e, _e_ub, _e_db, _e_br, _e_bl)
2370 PERM22(ret.c, _c_ubr, _c_dbl, _c_ubl, _c_dbr)
2371
2372 return ret;
2373}
2374
2375static inline cube_t
2376_move_B3(cube_t c)
2377{
2378 uint8_t aux, auy, auz;
2379 cube_t ret = c;
2380
2381 PERM4(ret.e, _e_ub, _e_br, _e_db, _e_bl)
2382 PERM4(ret.c, _c_ubr, _c_dbr, _c_dbl, _c_ubl)
2383
2384 EO4(ret.e, _e_ub, _e_br, _e_db, _e_bl)
2385 CO4(ret.c, _c_ubl, _c_dbr, _c_dbl, _c_ubr)
2386
2387 return ret;
2388}
2389
2390static inline cube_t
2391_invertco(cube_t c)
2392{
2393 uint8_t i, piece, orien;
2394 cube_t ret;
2395
2396 ret = c;
2397 for (i = 0; i < 8; i++) {
2398 piece = get_corner(c, i);
2399 orien = ((piece << 1) | (piece >> 1)) & _cobits2;
2400 set_corner(ret, i, (piece & _pbits) | orien);
2401 }
2402
2403 return ret;
2404}
2405
2406static inline cube_t
2407_trans_UFr(cube_t c)
2408{
2409 cube_t ret;
2410 cube_t tn = {
2411 .c = {0, 1, 2, 3, 4, 5, 6, 7},
2412 .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
2413 };
2414 cube_t ti = {
2415 .c = {0, 1, 2, 3, 4, 5, 6, 7},
2416 .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
2417 };
2418
2419 ret = compose(tn, c);
2420 ret = compose(ret, ti);
2421
2422 return ret;
2423}
2424
2425static inline cube_t
2426_trans_ULr(cube_t c)
2427{
2428 cube_t ret;
2429 cube_t tn = {
2430 .c = {4, 5, 7, 6, 1, 0, 2, 3},
2431 .e = {5, 4, 7, 6, 0, 1, 2, 3, 25, 26, 27, 24}
2432 };
2433 cube_t ti = {
2434 .c = {5, 4, 6, 7, 0, 1, 3, 2},
2435 .e = {4, 5, 6, 7, 1, 0, 3, 2, 27, 24, 25, 26}
2436 };
2437
2438 ret = compose(tn, c);
2439 ret = compose(ret, ti);
2440
2441 return ret;
2442}
2443
2444static inline cube_t
2445_trans_UBr(cube_t c)
2446{
2447 cube_t ret;
2448 cube_t tn = {
2449 .c = {1, 0, 3, 2, 5, 4, 7, 6},
2450 .e = {1, 0, 3, 2, 5, 4, 7, 6, 10, 11, 8, 9}
2451 };
2452 cube_t ti = {
2453 .c = {1, 0, 3, 2, 5, 4, 7, 6},
2454 .e = {1, 0, 3, 2, 5, 4, 7, 6, 10, 11, 8, 9}
2455 };
2456
2457 ret = compose(tn, c);
2458 ret = compose(ret, ti);
2459
2460 return ret;
2461}
2462
2463static inline cube_t
2464_trans_URr(cube_t c)
2465{
2466 cube_t ret;
2467 cube_t tn = {
2468 .c = {5, 4, 6, 7, 0, 1, 3, 2},
2469 .e = {4, 5, 6, 7, 1, 0, 3, 2, 27, 24, 25, 26}
2470 };
2471 cube_t ti = {
2472 .c = {4, 5, 7, 6, 1, 0, 2, 3},
2473 .e = {5, 4, 7, 6, 0, 1, 2, 3, 25, 26, 27, 24}
2474 };
2475
2476 ret = compose(tn, c);
2477 ret = compose(ret, ti);
2478
2479 return ret;
2480}
2481
2482static inline cube_t
2483_trans_DFr(cube_t c)
2484{
2485 cube_t ret;
2486 cube_t tn = {
2487 .c = {2, 3, 0, 1, 6, 7, 4, 5},
2488 .e = {3, 2, 1, 0, 6, 7, 4, 5, 9, 8, 11, 10}
2489 };
2490 cube_t ti = {
2491 .c = {2, 3, 0, 1, 6, 7, 4, 5},
2492 .e = {3, 2, 1, 0, 6, 7, 4, 5, 9, 8, 11, 10}
2493 };
2494
2495 ret = compose(tn, c);
2496 ret = compose(ret, ti);
2497
2498 return ret;
2499}
2500
2501static inline cube_t
2502_trans_DLr(cube_t c)
2503{
2504 cube_t ret;
2505 cube_t tn = {
2506 .c = {7, 6, 4, 5, 2, 3, 1, 0},
2507 .e = {6, 7, 4, 5, 2, 3, 0, 1, 26, 25, 24, 27}
2508 };
2509 cube_t ti = {
2510 .c = {7, 6, 4, 5, 2, 3, 1, 0},
2511 .e = {6, 7, 4, 5, 2, 3, 0, 1, 26, 25, 24, 27}
2512 };
2513
2514 ret = compose(tn, c);
2515 ret = compose(ret, ti);
2516
2517 return ret;
2518}
2519
2520static inline cube_t
2521_trans_DBr(cube_t c)
2522{
2523 cube_t ret;
2524 cube_t tn = {
2525 .c = {3, 2, 1, 0, 7, 6, 5, 4},
2526 .e = {2, 3, 0, 1, 7, 6, 5, 4, 11, 10, 9, 8}
2527 };
2528 cube_t ti = {
2529 .c = {3, 2, 1, 0, 7, 6, 5, 4},
2530 .e = {2, 3, 0, 1, 7, 6, 5, 4, 11, 10, 9, 8}
2531 };
2532
2533 ret = compose(tn, c);
2534 ret = compose(ret, ti);
2535
2536 return ret;
2537}
2538
2539static inline cube_t
2540_trans_DRr(cube_t c)
2541{
2542 cube_t ret;
2543 cube_t tn = {
2544 .c = {6, 7, 5, 4, 3, 2, 0, 1},
2545 .e = {7, 6, 5, 4, 3, 2, 1, 0, 24, 27, 26, 25}
2546 };
2547 cube_t ti = {
2548 .c = {6, 7, 5, 4, 3, 2, 0, 1},
2549 .e = {7, 6, 5, 4, 3, 2, 1, 0, 24, 27, 26, 25}
2550 };
2551
2552 ret = compose(tn, c);
2553 ret = compose(ret, ti);
2554
2555 return ret;
2556}
2557
2558static inline cube_t
2559_trans_RUr(cube_t c)
2560{
2561 cube_t ret;
2562 cube_t tn = {
2563 .c = {64, 67, 65, 66, 37, 38, 36, 39},
2564 .e = {20, 23, 22, 21, 24, 27, 26, 25, 0, 1, 2, 3}
2565 };
2566 cube_t ti = {
2567 .c = {32, 34, 35, 33, 70, 68, 69, 71},
2568 .e = {8, 9, 10, 11, 16, 19, 18, 17, 20, 23, 22, 21}
2569 };
2570
2571 ret = compose(tn, c);
2572 ret = compose(ret, ti);
2573
2574 return ret;
2575}
2576
2577static inline cube_t
2578_trans_RFr(cube_t c)
2579{
2580 cube_t ret;
2581 cube_t tn = {
2582 .c = {38, 37, 36, 39, 64, 67, 66, 65},
2583 .e = {24, 27, 26, 25, 23, 20, 21, 22, 19, 16, 17, 18}
2584 };
2585 cube_t ti = {
2586 .c = {36, 39, 38, 37, 66, 65, 64, 67},
2587 .e = {25, 26, 27, 24, 21, 22, 23, 20, 16, 19, 18, 17}
2588 };
2589
2590 ret = compose(tn, c);
2591 ret = compose(ret, ti);
2592
2593 return ret;
2594}
2595
2596static inline cube_t
2597_trans_RDr(cube_t c)
2598{
2599 cube_t ret;
2600 cube_t tn = {
2601 .c = {67, 64, 66, 65, 38, 37, 39, 36},
2602 .e = {23, 20, 21, 22, 27, 24, 25, 26, 2, 3, 0, 1}
2603 };
2604 cube_t ti = {
2605 .c = {33, 35, 34, 32, 71, 69, 68, 70},
2606 .e = {10, 11, 8, 9, 17, 18, 19, 16, 21, 22, 23, 20}
2607 };
2608
2609 ret = compose(tn, c);
2610 ret = compose(ret, ti);
2611
2612 return ret;
2613}
2614
2615static inline cube_t
2616_trans_RBr(cube_t c)
2617{
2618 cube_t ret;
2619 cube_t tn = {
2620 .c = {37, 38, 39, 36, 67, 64, 65, 66},
2621 .e = {27, 24, 25, 26, 20, 23, 22, 21, 17, 18, 19, 16}
2622 };
2623 cube_t ti = {
2624 .c = {37, 38, 39, 36, 67, 64, 65, 66},
2625 .e = {27, 24, 25, 26, 20, 23, 22, 21, 17, 18, 19, 16}
2626 };
2627
2628 ret = compose(tn, c);
2629 ret = compose(ret, ti);
2630
2631 return ret;
2632}
2633
2634static inline cube_t
2635_trans_LUr(cube_t c)
2636{
2637 cube_t ret;
2638 cube_t tn = {
2639 .c = {65, 66, 64, 67, 36, 39, 37, 38},
2640 .e = {21, 22, 23, 20, 26, 25, 24, 27, 1, 0, 3, 2}
2641 };
2642 cube_t ti = {
2643 .c = {34, 32, 33, 35, 68, 70, 71, 69},
2644 .e = {9, 8, 11, 10, 19, 16, 17, 18, 22, 21, 20, 23}
2645 };
2646
2647 ret = compose(tn, c);
2648 ret = compose(ret, ti);
2649
2650 return ret;
2651}
2652
2653static inline cube_t
2654_trans_LFr(cube_t c)
2655{
2656 cube_t ret;
2657 cube_t tn = {
2658 .c = {36, 39, 38, 37, 66, 65, 64, 67},
2659 .e = {25, 26, 27, 24, 21, 22, 23, 20, 16, 19, 18, 17}
2660 };
2661 cube_t ti = {
2662 .c = {38, 37, 36, 39, 64, 67, 66, 65},
2663 .e = {24, 27, 26, 25, 23, 20, 21, 22, 19, 16, 17, 18}
2664 };
2665
2666 ret = compose(tn, c);
2667 ret = compose(ret, ti);
2668
2669 return ret;
2670}
2671
2672static inline cube_t
2673_trans_LDr(cube_t c)
2674{
2675 cube_t ret;
2676 cube_t tn = {
2677 .c = {66, 65, 67, 64, 39, 36, 38, 37},
2678 .e = {22, 21, 20, 23, 25, 26, 27, 24, 3, 2, 1, 0}
2679 };
2680 cube_t ti = {
2681 .c = {35, 33, 32, 34, 69, 71, 70, 68},
2682 .e = {11, 10, 9, 8, 18, 17, 16, 19, 23, 20, 21, 22}
2683 };
2684
2685 ret = compose(tn, c);
2686 ret = compose(ret, ti);
2687
2688 return ret;
2689}
2690
2691static inline cube_t
2692_trans_LBr(cube_t c)
2693{
2694 cube_t ret;
2695 cube_t tn = {
2696 .c = {39, 36, 37, 38, 65, 66, 67, 64},
2697 .e = {26, 25, 24, 27, 22, 21, 20, 23, 18, 17, 16, 19}
2698 };
2699 cube_t ti = {
2700 .c = {39, 36, 37, 38, 65, 66, 67, 64},
2701 .e = {26, 25, 24, 27, 22, 21, 20, 23, 18, 17, 16, 19}
2702 };
2703
2704 ret = compose(tn, c);
2705 ret = compose(ret, ti);
2706
2707 return ret;
2708}
2709
2710static inline cube_t
2711_trans_FUr(cube_t c)
2712{
2713 cube_t ret;
2714 cube_t tn = {
2715 .c = {68, 70, 69, 71, 32, 34, 33, 35},
2716 .e = {16, 19, 18, 17, 9, 8, 11, 10, 5, 4, 7, 6}
2717 };
2718 cube_t ti = {
2719 .c = {68, 70, 69, 71, 32, 34, 33, 35},
2720 .e = {16, 19, 18, 17, 9, 8, 11, 10, 5, 4, 7, 6}
2721 };
2722
2723 ret = compose(tn, c);
2724 ret = compose(ret, ti);
2725
2726 return ret;
2727}
2728
2729static inline cube_t
2730_trans_FRr(cube_t c)
2731{
2732 cube_t ret;
2733 cube_t tn = {
2734 .c = {32, 34, 35, 33, 70, 68, 69, 71},
2735 .e = {8, 9, 10, 11, 16, 19, 18, 17, 20, 23, 22, 21}
2736 };
2737 cube_t ti = {
2738 .c = {64, 67, 65, 66, 37, 38, 36, 39},
2739 .e = {20, 23, 22, 21, 24, 27, 26, 25, 0, 1, 2, 3}
2740 };
2741
2742 ret = compose(tn, c);
2743 ret = compose(ret, ti);
2744
2745 return ret;
2746}
2747
2748static inline cube_t
2749_trans_FDr(cube_t c)
2750{
2751 cube_t ret;
2752 cube_t tn = {
2753 .c = {70, 68, 71, 69, 34, 32, 35, 33},
2754 .e = {19, 16, 17, 18, 8, 9, 10, 11, 7, 6, 5, 4}
2755 };
2756 cube_t ti = {
2757 .c = {69, 71, 68, 70, 33, 35, 32, 34},
2758 .e = {17, 18, 19, 16, 11, 10, 9, 8, 4, 5, 6, 7}
2759 };
2760
2761 ret = compose(tn, c);
2762 ret = compose(ret, ti);
2763
2764 return ret;
2765}
2766
2767static inline cube_t
2768_trans_FLr(cube_t c)
2769{
2770 cube_t ret;
2771 cube_t tn = {
2772 .c = {34, 32, 33, 35, 68, 70, 71, 69},
2773 .e = {9, 8, 11, 10, 19, 16, 17, 18, 22, 21, 20, 23}
2774 };
2775 cube_t ti = {
2776 .c = {65, 66, 64, 67, 36, 39, 37, 38},
2777 .e = {21, 22, 23, 20, 26, 25, 24, 27, 1, 0, 3, 2}
2778 };
2779
2780 ret = compose(tn, c);
2781 ret = compose(ret, ti);
2782
2783 return ret;
2784}
2785
2786static inline cube_t
2787_trans_BUr(cube_t c)
2788{
2789 cube_t ret;
2790 cube_t tn = {
2791 .c = {69, 71, 68, 70, 33, 35, 32, 34},
2792 .e = {17, 18, 19, 16, 11, 10, 9, 8, 4, 5, 6, 7}
2793 };
2794 cube_t ti = {
2795 .c = {70, 68, 71, 69, 34, 32, 35, 33},
2796 .e = {19, 16, 17, 18, 8, 9, 10, 11, 7, 6, 5, 4}
2797 };
2798
2799 ret = compose(tn, c);
2800 ret = compose(ret, ti);
2801
2802 return ret;
2803}
2804
2805static inline cube_t
2806_trans_BRr(cube_t c)
2807{
2808 cube_t ret;
2809 cube_t tn = {
2810 .c = {35, 33, 32, 34, 69, 71, 70, 68},
2811 .e = {11, 10, 9, 8, 18, 17, 16, 19, 23, 20, 21, 22}
2812 };
2813 cube_t ti = {
2814 .c = {66, 65, 67, 64, 39, 36, 38, 37},
2815 .e = {22, 21, 20, 23, 25, 26, 27, 24, 3, 2, 1, 0}
2816 };
2817
2818 ret = compose(tn, c);
2819 ret = compose(ret, ti);
2820
2821 return ret;
2822}
2823
2824static inline cube_t
2825_trans_BDr(cube_t c)
2826{
2827 cube_t ret;
2828 cube_t tn = {
2829 .c = {71, 69, 70, 68, 35, 33, 34, 32},
2830 .e = {18, 17, 16, 19, 10, 11, 8, 9, 6, 7, 4, 5}
2831 };
2832 cube_t ti = {
2833 .c = {71, 69, 70, 68, 35, 33, 34, 32},
2834 .e = {18, 17, 16, 19, 10, 11, 8, 9, 6, 7, 4, 5}
2835 };
2836
2837 ret = compose(tn, c);
2838 ret = compose(ret, ti);
2839
2840 return ret;
2841}
2842
2843static inline cube_t
2844_trans_BLr(cube_t c)
2845{
2846 cube_t ret;
2847 cube_t tn = {
2848 .c = {33, 35, 34, 32, 71, 69, 68, 70},
2849 .e = {10, 11, 8, 9, 17, 18, 19, 16, 21, 22, 23, 20}
2850 };
2851 cube_t ti = {
2852 .c = {67, 64, 66, 65, 38, 37, 39, 36},
2853 .e = {23, 20, 21, 22, 27, 24, 25, 26, 2, 3, 0, 1}
2854 };
2855
2856 ret = compose(tn, c);
2857 ret = compose(ret, ti);
2858
2859 return ret;
2860}
2861
2862static inline cube_t
2863_trans_UFm(cube_t c)
2864{
2865 cube_t ret;
2866 cube_t tn = {
2867 .c = {4, 5, 6, 7, 0, 1, 2, 3},
2868 .e = {0, 1, 2, 3, 5, 4, 7, 6, 9, 8, 11, 10}
2869 };
2870 cube_t ti = {
2871 .c = {4, 5, 6, 7, 0, 1, 2, 3},
2872 .e = {0, 1, 2, 3, 5, 4, 7, 6, 9, 8, 11, 10}
2873 };
2874
2875 ret = compose(tn, c);
2876 ret = compose(ret, ti);
2877 ret = _invertco(ret);
2878
2879 return ret;
2880}
2881
2882static inline cube_t
2883_trans_ULm(cube_t c)
2884{
2885 cube_t ret;
2886 cube_t tn = {
2887 .c = {0, 1, 3, 2, 5, 4, 6, 7},
2888 .e = {4, 5, 6, 7, 0, 1, 2, 3, 24, 27, 26, 25}
2889 };
2890 cube_t ti = {
2891 .c = {0, 1, 3, 2, 5, 4, 6, 7},
2892 .e = {4, 5, 6, 7, 0, 1, 2, 3, 24, 27, 26, 25}
2893 };
2894
2895 ret = compose(tn, c);
2896 ret = compose(ret, ti);
2897 ret = _invertco(ret);
2898
2899 return ret;
2900}
2901
2902static inline cube_t
2903_trans_UBm(cube_t c)
2904{
2905 cube_t ret;
2906 cube_t tn = {
2907 .c = {5, 4, 7, 6, 1, 0, 3, 2},
2908 .e = {1, 0, 3, 2, 4, 5, 6, 7, 11, 10, 9, 8}
2909 };
2910 cube_t ti = {
2911 .c = {5, 4, 7, 6, 1, 0, 3, 2},
2912 .e = {1, 0, 3, 2, 4, 5, 6, 7, 11, 10, 9, 8}
2913 };
2914
2915 ret = compose(tn, c);
2916 ret = compose(ret, ti);
2917 ret = _invertco(ret);
2918
2919 return ret;
2920}
2921
2922static inline cube_t
2923_trans_URm(cube_t c)
2924{
2925 cube_t ret;
2926 cube_t tn = {
2927 .c = {1, 0, 2, 3, 4, 5, 7, 6},
2928 .e = {5, 4, 7, 6, 1, 0, 3, 2, 26, 25, 24, 27}
2929 };
2930 cube_t ti = {
2931 .c = {1, 0, 2, 3, 4, 5, 7, 6},
2932 .e = {5, 4, 7, 6, 1, 0, 3, 2, 26, 25, 24, 27}
2933 };
2934
2935 ret = compose(tn, c);
2936 ret = compose(ret, ti);
2937 ret = _invertco(ret);
2938
2939 return ret;
2940}
2941
2942static inline cube_t
2943_trans_DFm(cube_t c)
2944{
2945 cube_t ret;
2946 cube_t tn = {
2947 .c = {6, 7, 4, 5, 2, 3, 0, 1},
2948 .e = {3, 2, 1, 0, 7, 6, 5, 4, 8, 9, 10, 11}
2949 };
2950 cube_t ti = {
2951 .c = {6, 7, 4, 5, 2, 3, 0, 1},
2952 .e = {3, 2, 1, 0, 7, 6, 5, 4, 8, 9, 10, 11}
2953 };
2954
2955 ret = compose(tn, c);
2956 ret = compose(ret, ti);
2957 ret = _invertco(ret);
2958
2959 return ret;
2960}
2961
2962static inline cube_t
2963_trans_DLm(cube_t c)
2964{
2965 cube_t ret;
2966 cube_t tn = {
2967 .c = {3, 2, 0, 1, 6, 7, 5, 4},
2968 .e = {7, 6, 5, 4, 2, 3, 0, 1, 27, 24, 25, 26}
2969 };
2970 cube_t ti = {
2971 .c = {2, 3, 1, 0, 7, 6, 4, 5},
2972 .e = {6, 7, 4, 5, 3, 2, 1, 0, 25, 26, 27, 24}
2973 };
2974
2975 ret = compose(tn, c);
2976 ret = compose(ret, ti);
2977 ret = _invertco(ret);
2978
2979 return ret;
2980}
2981
2982static inline cube_t
2983_trans_DBm(cube_t c)
2984{
2985 cube_t ret;
2986 cube_t tn = {
2987 .c = {7, 6, 5, 4, 3, 2, 1, 0},
2988 .e = {2, 3, 0, 1, 6, 7, 4, 5, 10, 11, 8, 9}
2989 };
2990 cube_t ti = {
2991 .c = {7, 6, 5, 4, 3, 2, 1, 0},
2992 .e = {2, 3, 0, 1, 6, 7, 4, 5, 10, 11, 8, 9}
2993 };
2994
2995 ret = compose(tn, c);
2996 ret = compose(ret, ti);
2997 ret = _invertco(ret);
2998
2999 return ret;
3000}
3001
3002static inline cube_t
3003_trans_DRm(cube_t c)
3004{
3005 cube_t ret;
3006 cube_t tn = {
3007 .c = {2, 3, 1, 0, 7, 6, 4, 5},
3008 .e = {6, 7, 4, 5, 3, 2, 1, 0, 25, 26, 27, 24}
3009 };
3010 cube_t ti = {
3011 .c = {3, 2, 0, 1, 6, 7, 5, 4},
3012 .e = {7, 6, 5, 4, 2, 3, 0, 1, 27, 24, 25, 26}
3013 };
3014
3015 ret = compose(tn, c);
3016 ret = compose(ret, ti);
3017 ret = _invertco(ret);
3018
3019 return ret;
3020}
3021
3022static inline cube_t
3023_trans_RUm(cube_t c)
3024{
3025 cube_t ret;
3026 cube_t tn = {
3027 .c = {68, 71, 69, 70, 33, 34, 32, 35},
3028 .e = {21, 22, 23, 20, 25, 26, 27, 24, 0, 1, 2, 3}
3029 };
3030 cube_t ti = {
3031 .c = {70, 68, 69, 71, 32, 34, 35, 33},
3032 .e = {8, 9, 10, 11, 19, 16, 17, 18, 23, 20, 21, 22}
3033 };
3034
3035 ret = compose(tn, c);
3036 ret = compose(ret, ti);
3037 ret = _invertco(ret);
3038
3039 return ret;
3040}
3041
3042static inline cube_t
3043_trans_RFm(cube_t c)
3044{
3045 cube_t ret;
3046 cube_t tn = {
3047 .c = {34, 33, 32, 35, 68, 71, 70, 69},
3048 .e = {25, 26, 27, 24, 22, 21, 20, 23, 19, 16, 17, 18}
3049 };
3050 cube_t ti = {
3051 .c = {66, 65, 64, 67, 36, 39, 38, 37},
3052 .e = {25, 26, 27, 24, 22, 21, 20, 23, 19, 16, 17, 18}
3053 };
3054
3055 ret = compose(tn, c);
3056 ret = compose(ret, ti);
3057 ret = _invertco(ret);
3058
3059 return ret;
3060}
3061
3062static inline cube_t
3063_trans_RDm(cube_t c)
3064{
3065 cube_t ret;
3066 cube_t tn = {
3067 .c = {71, 68, 70, 69, 34, 33, 35, 32},
3068 .e = {22, 21, 20, 23, 26, 25, 24, 27, 2, 3, 0, 1}
3069 };
3070 cube_t ti = {
3071 .c = {71, 69, 68, 70, 33, 35, 34, 32},
3072 .e = {10, 11, 8, 9, 18, 17, 16, 19, 22, 21, 20, 23}
3073 };
3074
3075 ret = compose(tn, c);
3076 ret = compose(ret, ti);
3077 ret = _invertco(ret);
3078
3079 return ret;
3080}
3081
3082static inline cube_t
3083_trans_RBm(cube_t c)
3084{
3085 cube_t ret;
3086 cube_t tn = {
3087 .c = {33, 34, 35, 32, 71, 68, 69, 70},
3088 .e = {26, 25, 24, 27, 21, 22, 23, 20, 17, 18, 19, 16}
3089 };
3090 cube_t ti = {
3091 .c = {67, 64, 65, 66, 37, 38, 39, 36},
3092 .e = {27, 24, 25, 26, 23, 20, 21, 22, 18, 17, 16, 19}
3093 };
3094
3095 ret = compose(tn, c);
3096 ret = compose(ret, ti);
3097 ret = _invertco(ret);
3098
3099 return ret;
3100}
3101
3102static inline cube_t
3103_trans_LUm(cube_t c)
3104{
3105 cube_t ret;
3106 cube_t tn = {
3107 .c = {69, 70, 68, 71, 32, 35, 33, 34},
3108 .e = {20, 23, 22, 21, 27, 24, 25, 26, 1, 0, 3, 2}
3109 };
3110 cube_t ti = {
3111 .c = {68, 70, 71, 69, 34, 32, 33, 35},
3112 .e = {9, 8, 11, 10, 16, 19, 18, 17, 21, 22, 23, 20}
3113 };
3114
3115 ret = compose(tn, c);
3116 ret = compose(ret, ti);
3117 ret = _invertco(ret);
3118
3119 return ret;
3120}
3121
3122static inline cube_t
3123_trans_LFm(cube_t c)
3124{
3125 cube_t ret;
3126 cube_t tn = {
3127 .c = {32, 35, 34, 33, 70, 69, 68, 71},
3128 .e = {24, 27, 26, 25, 20, 23, 22, 21, 16, 19, 18, 17}
3129 };
3130 cube_t ti = {
3131 .c = {64, 67, 66, 65, 38, 37, 36, 39},
3132 .e = {24, 27, 26, 25, 20, 23, 22, 21, 16, 19, 18, 17}
3133 };
3134
3135 ret = compose(tn, c);
3136 ret = compose(ret, ti);
3137 ret = _invertco(ret);
3138
3139 return ret;
3140}
3141
3142static inline cube_t
3143_trans_LDm(cube_t c)
3144{
3145 cube_t ret;
3146 cube_t tn = {
3147 .c = {70, 69, 71, 68, 35, 32, 34, 33},
3148 .e = {23, 20, 21, 22, 24, 27, 26, 25, 3, 2, 1, 0}
3149 };
3150 cube_t ti = {
3151 .c = {69, 71, 70, 68, 35, 33, 32, 34},
3152 .e = {11, 10, 9, 8, 17, 18, 19, 16, 20, 23, 22, 21}
3153 };
3154
3155 ret = compose(tn, c);
3156 ret = compose(ret, ti);
3157 ret = _invertco(ret);
3158
3159 return ret;
3160}
3161
3162static inline cube_t
3163_trans_LBm(cube_t c)
3164{
3165 cube_t ret;
3166 cube_t tn = {
3167 .c = {35, 32, 33, 34, 69, 70, 71, 68},
3168 .e = {27, 24, 25, 26, 23, 20, 21, 22, 18, 17, 16, 19}
3169 };
3170 cube_t ti = {
3171 .c = {65, 66, 67, 64, 39, 36, 37, 38},
3172 .e = {26, 25, 24, 27, 21, 22, 23, 20, 17, 18, 19, 16}
3173 };
3174
3175 ret = compose(tn, c);
3176 ret = compose(ret, ti);
3177 ret = _invertco(ret);
3178
3179 return ret;
3180}
3181
3182static inline cube_t
3183_trans_FUm(cube_t c)
3184{
3185 cube_t ret;
3186 cube_t tn = {
3187 .c = {64, 66, 65, 67, 36, 38, 37, 39},
3188 .e = {16, 19, 18, 17, 8, 9, 10, 11, 4, 5, 6, 7}
3189 };
3190 cube_t ti = {
3191 .c = {32, 34, 33, 35, 68, 70, 69, 71},
3192 .e = {16, 19, 18, 17, 8, 9, 10, 11, 4, 5, 6, 7}
3193 };
3194
3195 ret = compose(tn, c);
3196 ret = compose(ret, ti);
3197 ret = _invertco(ret);
3198
3199 return ret;
3200}
3201
3202static inline cube_t
3203_trans_FRm(cube_t c)
3204{
3205 cube_t ret;
3206 cube_t tn = {
3207 .c = {36, 38, 39, 37, 66, 64, 65, 67},
3208 .e = {9, 8, 11, 10, 16, 19, 18, 17, 21, 22, 23, 20}
3209 };
3210 cube_t ti = {
3211 .c = {37, 38, 36, 39, 64, 67, 65, 66},
3212 .e = {20, 23, 22, 21, 27, 24, 25, 26, 1, 0, 3, 2}
3213 };
3214
3215 ret = compose(tn, c);
3216 ret = compose(ret, ti);
3217 ret = _invertco(ret);
3218
3219 return ret;
3220}
3221
3222static inline cube_t
3223_trans_FDm(cube_t c)
3224{
3225 cube_t ret;
3226 cube_t tn = {
3227 .c = {66, 64, 67, 65, 38, 36, 39, 37},
3228 .e = {19, 16, 17, 18, 9, 8, 11, 10, 6, 7, 4, 5}
3229 };
3230 cube_t ti = {
3231 .c = {33, 35, 32, 34, 69, 71, 68, 70},
3232 .e = {17, 18, 19, 16, 10, 11, 8, 9, 5, 4, 7, 6}
3233 };
3234
3235 ret = compose(tn, c);
3236 ret = compose(ret, ti);
3237 ret = _invertco(ret);
3238
3239 return ret;
3240}
3241
3242static inline cube_t
3243_trans_FLm(cube_t c)
3244{
3245 cube_t ret;
3246 cube_t tn = {
3247 .c = {38, 36, 37, 39, 64, 66, 67, 65},
3248 .e = {8, 9, 10, 11, 19, 16, 17, 18, 23, 20, 21, 22}
3249 };
3250 cube_t ti = {
3251 .c = {36, 39, 37, 38, 65, 66, 64, 67},
3252 .e = {21, 22, 23, 20, 25, 26, 27, 24, 0, 1, 2, 3}
3253 };
3254
3255 ret = compose(tn, c);
3256 ret = compose(ret, ti);
3257 ret = _invertco(ret);
3258
3259 return ret;
3260}
3261
3262static inline cube_t
3263_trans_BUm(cube_t c)
3264{
3265 cube_t ret;
3266 cube_t tn = {
3267 .c = {65, 67, 64, 66, 37, 39, 36, 38},
3268 .e = {17, 18, 19, 16, 10, 11, 8, 9, 5, 4, 7, 6}
3269 };
3270 cube_t ti = {
3271 .c = {34, 32, 35, 33, 70, 68, 71, 69},
3272 .e = {19, 16, 17, 18, 9, 8, 11, 10, 6, 7, 4, 5}
3273 };
3274
3275 ret = compose(tn, c);
3276 ret = compose(ret, ti);
3277 ret = _invertco(ret);
3278
3279 return ret;
3280}
3281
3282static inline cube_t
3283_trans_BRm(cube_t c)
3284{
3285 cube_t ret;
3286 cube_t tn = {
3287 .c = {39, 37, 36, 38, 65, 67, 66, 64},
3288 .e = {10, 11, 8, 9, 18, 17, 16, 19, 22, 21, 20, 23}
3289 };
3290 cube_t ti = {
3291 .c = {39, 36, 38, 37, 66, 65, 67, 64},
3292 .e = {22, 21, 20, 23, 26, 25, 24, 27, 2, 3, 0, 1}
3293 };
3294
3295 ret = compose(tn, c);
3296 ret = compose(ret, ti);
3297 ret = _invertco(ret);
3298
3299 return ret;
3300}
3301
3302static inline cube_t
3303_trans_BDm(cube_t c)
3304{
3305 cube_t ret;
3306 cube_t tn = {
3307 .c = {67, 65, 66, 64, 39, 37, 38, 36},
3308 .e = {18, 17, 16, 19, 11, 10, 9, 8, 7, 6, 5, 4}
3309 };
3310 cube_t ti = {
3311 .c = {35, 33, 34, 32, 71, 69, 70, 68},
3312 .e = {18, 17, 16, 19, 11, 10, 9, 8, 7, 6, 5, 4}
3313 };
3314
3315 ret = compose(tn, c);
3316 ret = compose(ret, ti);
3317 ret = _invertco(ret);
3318
3319 return ret;
3320}
3321
3322static inline cube_t
3323_trans_BLm(cube_t c)
3324{
3325 cube_t ret;
3326 cube_t tn = {
3327 .c = {37, 39, 38, 36, 67, 65, 64, 66},
3328 .e = {11, 10, 9, 8, 17, 18, 19, 16, 20, 23, 22, 21}
3329 };
3330 cube_t ti = {
3331 .c = {38, 37, 39, 36, 67, 64, 66, 65},
3332 .e = {23, 20, 21, 22, 24, 27, 26, 25, 3, 2, 1, 0}
3333 };
3334
3335 ret = compose(tn, c);
3336 ret = compose(ret, ti);
3337 ret = _invertco(ret);
3338
3339 return ret;
3340}
3341
3342static cube_t
3343_arraytocube(cube_array_t a)
3344{
3345 cube_t c;
3346 memcpy(&c, &a, sizeof(cube_t));
3347 return c;
3348}
3349
3350static void
3351_cubetoarray(cube_t c, cube_array_t *a)
3352{
3353 memcpy(a, &c, sizeof(cube_t));
3354}
3355
3356static inline bool
3357_equal(cube_t c1, cube_t c2)
3358{
3359 uint8_t i;
3360 bool ret;
3361
3362 ret = true;
3363 for (i = 0; i < 8; i++)
3364 ret = ret && c1.c[i] == c2.c[i];
3365 for (i = 0; i < 12; i++)
3366 ret = ret && c1.e[i] == c2.e[i];
3367
3368 return ret;
3369}
3370
3371static inline cube_t
3372_inverse(cube_t c)
3373{
3374 cube_t ret;
3375 uint8_t i, piece, orien;
3376
3377 ret = _arraytocube(zerocube_array);
3378
3379 for (i = 0; i < 12; i++) {
3380 piece = get_edge(c, i);
3381 orien = piece & _eobit;
3382 set_edge(ret, piece & _pbits, i | orien);
3383 }
3384
3385 for (i = 0; i < 8; i++) {
3386 piece = get_corner(c, i);
3387 orien = ((piece << 1) | (piece >> 1)) & _cobits2;
3388 set_corner(ret, piece & _pbits, i | orien);
3389 }
3390
3391 return ret;
3392}
3393
3394static inline cube_t
3395_compose(cube_t c1, cube_t c2)
3396{
3397 cube_t ret;
3398 uint8_t i, piece1, piece2, p, orien, aux, auy;
3399
3400 ret = _arraytocube(zerocube_array);
3401
3402 for (i = 0; i < 12; i++) {
3403 piece2 = get_edge(c2, i);
3404 p = piece2 & _pbits;
3405 piece1 = get_edge(c1, p);
3406 orien = (piece2 ^ piece1) & _eobit;
3407 set_edge(ret, i, (piece1 & _pbits) | orien);
3408 }
3409
3410 for (i = 0; i < 8; i++) {
3411 piece2 = get_corner(c2, i);
3412 p = piece2 & _pbits;
3413 piece1 = get_corner(c1, p);
3414 aux = (piece2 & _cobits) + (piece1 & _cobits);
3415 auy = (aux + _ctwist_cw) >> 2U;
3416 orien = (aux + auy) & _cobits2;
3417 set_corner(ret, i, (piece1 & _pbits) | orien);
3418 }
3419
3420 return ret;
3421}
3422
3423
3424#endif
3425
3426/******************************************************************************
3427Section: generic methods.
3428
3429This section contains functions that are based (directly or indirectly)
3430on the per-architecture functions defined in the previous sections. Many
3431of them are public functions from cube.h
3432******************************************************************************/
3433
3434cube_t
3435solvedcube(void)
3436{
3437 cube_t solved;
3438 solved = _arraytocube(solvedcube_array);
3439 return solved;
3440}
3441
3442cube_t
3443zerocube(void)
3444{
3445 cube_t solved;
3446 solved = _arraytocube(zerocube_array);
3447 return solved;
3448}
3449
3450cube_t
3451readcube(format_t format, char *buf)
3452{
3453 cube_array_t arr;
3454 arr = readcube_array(format, buf);
3455 return _arraytocube(arr);
3456}
3457
3458void
3459writecube(format_t format, cube_t cube, char *buf)
3460{
3461 cube_array_t arr;
3462 _cubetoarray(cube, &arr);
3463 writecube_array(format, arr, buf);
3464}
3465
3466bool
3467isconsistent(cube_t c)
3468{
3469 cube_array_t arr;
3470 _cubetoarray(c, &arr);
3471 return isconsistent_array(arr);
3472}
3473
3474bool
3475issolvable(cube_t c)
3476{
3477 cube_array_t arr;
3478 _cubetoarray(c, &arr);
3479 return issolvable_array(arr);
3480}
3481
3482bool
3483iserror(cube_t c)
3484{
3485 cube_array_t arr;
3486 _cubetoarray(c, &arr);
3487 return iserror_array(arr);
3488}
3489
3490bool
3491equal(cube_t c1, cube_t c2)
3492{
3493 return _equal(c1, c2);
3494}
3495
3496bool
3497issolved(cube_t cube)
3498{
3499 cube_t solved;
3500 solved = _arraytocube(solvedcube_array);
3501 return equal(cube, solved);
3502}
3503
3504cube_t
3505move(cube_t c, move_t m)
3506{
3507#ifdef DEBUG
3508 if (!isconsistent(c)) {
3509 fprintf(stderr, "move error, inconsistent cube\n");
3510 return _arraytocube(zerocube_array);
3511 }
3512#endif
3513
3514 switch (m) {
3515 case U:
3516 return _move_U(c);
3517 case U2:
3518 return _move_U2(c);
3519 case U3:
3520 return _move_U3(c);
3521 case D:
3522 return _move_D(c);
3523 case D2:
3524 return _move_D2(c);
3525 case D3:
3526 return _move_D3(c);
3527 case R:
3528 return _move_R(c);
3529 case R2:
3530 return _move_R2(c);
3531 case R3:
3532 return _move_R3(c);
3533 case L:
3534 return _move_L(c);
3535 case L2:
3536 return _move_L2(c);
3537 case L3:
3538 return _move_L3(c);
3539 case F:
3540 return _move_F(c);
3541 case F2:
3542 return _move_F2(c);
3543 case F3:
3544 return _move_F3(c);
3545 case B:
3546 return _move_B(c);
3547 case B2:
3548 return _move_B2(c);
3549 case B3:
3550 return _move_B3(c);
3551 default:
3552#ifdef DEBUG
3553 fprintf(stderr, "mover error, unknown move\n");
3554#endif
3555 return _arraytocube(zerocube_array);
3556 }
3557}
3558
3559cube_t
3560inverse(cube_t c)
3561{
3562#ifdef DEBUG
3563 if (!isconsistent(c)) {
3564 fprintf(stderr, "inverse error, inconsistent cube\n");
3565 return zerocube();
3566 }
3567#endif
3568
3569 return _inverse(c);
3570}
3571
3572cube_t
3573compose(cube_t c1, cube_t c2)
3574{
3575#ifdef DEBUG
3576 if (!isconsistent(c1) || !isconsistent(c2)) {
3577 fprintf(stderr, "compose error, inconsistent cube\n");
3578 return zerocube();
3579 }
3580#endif
3581
3582 return _compose(c1, c2);
3583}
3584
3585cube_t
3586transform(cube_t c, trans_t t)
3587{
3588#ifdef DEBUG
3589 if (!isconsistent(c)) {
3590 fprintf(stderr, "transform error, inconsistent cube\n");
3591 return zerocube();
3592 }
3593#endif
3594
3595 switch (t) {
3596 case UFr:
3597 return _trans_UFr(c);
3598 case ULr:
3599 return _trans_ULr(c);
3600 case UBr:
3601 return _trans_UBr(c);
3602 case URr:
3603 return _trans_URr(c);
3604 case DFr:
3605 return _trans_DFr(c);
3606 case DLr:
3607 return _trans_DLr(c);
3608 case DBr:
3609 return _trans_DBr(c);
3610 case DRr:
3611 return _trans_DRr(c);
3612 case RUr:
3613 return _trans_RUr(c);
3614 case RFr:
3615 return _trans_RFr(c);
3616 case RDr:
3617 return _trans_RDr(c);
3618 case RBr:
3619 return _trans_RBr(c);
3620 case LUr:
3621 return _trans_LUr(c);
3622 case LFr:
3623 return _trans_LFr(c);
3624 case LDr:
3625 return _trans_LDr(c);
3626 case LBr:
3627 return _trans_LBr(c);
3628 case FUr:
3629 return _trans_FUr(c);
3630 case FRr:
3631 return _trans_FRr(c);
3632 case FDr:
3633 return _trans_FDr(c);
3634 case FLr:
3635 return _trans_FLr(c);
3636 case BUr:
3637 return _trans_BUr(c);
3638 case BRr:
3639 return _trans_BRr(c);
3640 case BDr:
3641 return _trans_BDr(c);
3642 case BLr:
3643 return _trans_BLr(c);
3644 case UFm:
3645 return _trans_UFm(c);
3646 case ULm:
3647 return _trans_ULm(c);
3648 case UBm:
3649 return _trans_UBm(c);
3650 case URm:
3651 return _trans_URm(c);
3652 case DFm:
3653 return _trans_DFm(c);
3654 case DLm:
3655 return _trans_DLm(c);
3656 case DBm:
3657 return _trans_DBm(c);
3658 case DRm:
3659 return _trans_DRm(c);
3660 case RUm:
3661 return _trans_RUm(c);
3662 case RFm:
3663 return _trans_RFm(c);
3664 case RDm:
3665 return _trans_RDm(c);
3666 case RBm:
3667 return _trans_RBm(c);
3668 case LUm:
3669 return _trans_LUm(c);
3670 case LFm:
3671 return _trans_LFm(c);
3672 case LDm:
3673 return _trans_LDm(c);
3674 case LBm:
3675 return _trans_LBm(c);
3676 case FUm:
3677 return _trans_FUm(c);
3678 case FRm:
3679 return _trans_FRm(c);
3680 case FDm:
3681 return _trans_FDm(c);
3682 case FLm:
3683 return _trans_FLm(c);
3684 case BUm:
3685 return _trans_BUm(c);
3686 case BRm:
3687 return _trans_BRm(c);
3688 case BDm:
3689 return _trans_BDm(c);
3690 case BLm:
3691 return _trans_BLm(c);
3692 default:
3693#ifdef DEBUG
3694 fprintf(stderr, "transform error, unknown transformation\n");
3695#endif
3696 return zerocube();
3697 }
3698}
diff --git a/src/cube.h b/cube.h
index 468b0ca..4bbf28a 100644
--- a/src/cube.h
+++ b/cube.h
@@ -1,12 +1,11 @@
1typedef struct {
2 uint8_t c[16];
3 uint8_t e[16];
4} cube_arr_t;
5#ifdef CUBE_AVX2 1#ifdef CUBE_AVX2
6#include <immintrin.h> 2#include <immintrin.h>
7typedef __m256i cube_t; 3typedef __m256i cube_t;
8#else 4#else
9typedef cube_arr_t cube_t; 5typedef struct {
6 uint8_t c[16]; /* Only the first 8 are used, the rest is padding */
7 uint8_t e[16]; /* Only the first 12 are used, the rest is padding */
8} cube_t;
10#endif 9#endif
11 10
12typedef uint8_t move_t; 11typedef uint8_t move_t;
diff --git a/src/_moves_arr.c b/src/_moves_arr.c
deleted file mode 100644
index bea0fee..0000000
--- a/src/_moves_arr.c
+++ /dev/null
@@ -1,264 +0,0 @@
1#define PERM4(r, i, j, k, l) \
2 aux = r[i]; \
3 r[i] = r[l]; \
4 r[l] = r[k]; \
5 r[k] = r[j]; \
6 r[j] = aux;
7#define PERM22(r, i, j, k, l) \
8 aux = r[i]; \
9 r[i] = r[j]; \
10 r[j] = aux; \
11 aux = r[k]; \
12 r[k] = r[l]; \
13 r[l] = aux;
14#define CO(a, b) \
15 aux = (a & _cobits) + (b & _cobits); \
16 auy = (aux + _ctwist_cw) >> 2U; \
17 auz = (aux + auy) & _cobits2; \
18 a = (a & _pbits) | auz;
19#define CO4(r, i, j, k, l) \
20 CO(r[i], _ctwist_cw) \
21 CO(r[j], _ctwist_cw) \
22 CO(r[k], _ctwist_ccw) \
23 CO(r[l], _ctwist_ccw)
24#define EO4(r, i, j, k, l) \
25 r[i] ^= _eobit; \
26 r[j] ^= _eobit; \
27 r[k] ^= _eobit; \
28 r[l] ^= _eobit;
29
30static inline cube_t
31inline_move_U(cube_t c)
32{
33 uint8_t aux;
34 cube_t ret = c;
35
36 PERM4(ret.e, _e_uf, _e_ul, _e_ub, _e_ur)
37 PERM4(ret.c, _c_ufr, _c_ufl, _c_ubl, _c_ubr)
38
39 return ret;
40}
41
42static inline cube_t
43inline_move_U2(cube_t c)
44{
45 uint8_t aux;
46 cube_t ret = c;
47
48 PERM22(ret.e, _e_uf, _e_ub, _e_ul, _e_ur)
49 PERM22(ret.c, _c_ufr, _c_ubl, _c_ufl, _c_ubr)
50
51 return ret;
52}
53
54static inline cube_t
55inline_move_U3(cube_t c)
56{
57 uint8_t aux;
58 cube_t ret = c;
59
60 PERM4(ret.e, _e_uf, _e_ur, _e_ub, _e_ul)
61 PERM4(ret.c, _c_ufr, _c_ubr, _c_ubl, _c_ufl)
62
63 return ret;
64}
65
66static inline cube_t
67inline_move_D(cube_t c)
68{
69 uint8_t aux;
70 cube_t ret = c;
71
72 PERM4(ret.e, _e_df, _e_dr, _e_db, _e_dl)
73 PERM4(ret.c, _c_dfr, _c_dbr, _c_dbl, _c_dfl)
74
75 return ret;
76}
77
78static inline cube_t
79inline_move_D2(cube_t c)
80{
81 uint8_t aux;
82 cube_t ret = c;
83
84 PERM22(ret.e, _e_df, _e_db, _e_dr, _e_dl)
85 PERM22(ret.c, _c_dfr, _c_dbl, _c_dbr, _c_dfl)
86
87 return ret;
88}
89
90static inline cube_t
91inline_move_D3(cube_t c)
92{
93 uint8_t aux;
94 cube_t ret = c;
95
96 PERM4(ret.e, _e_df, _e_dl, _e_db, _e_dr)
97 PERM4(ret.c, _c_dfr, _c_dfl, _c_dbl, _c_dbr)
98
99 return ret;
100}
101
102static inline cube_t
103inline_move_R(cube_t c)
104{
105 uint8_t aux, auy, auz;
106 cube_t ret = c;
107
108 PERM4(ret.e, _e_ur, _e_br, _e_dr, _e_fr)
109 PERM4(ret.c, _c_ufr, _c_ubr, _c_dbr, _c_dfr)
110
111 CO4(ret.c, _c_ubr, _c_dfr, _c_ufr, _c_dbr)
112
113 return ret;
114}
115
116static inline cube_t
117inline_move_R2(cube_t c)
118{
119 uint8_t aux;
120 cube_t ret = c;
121
122 PERM22(ret.e, _e_ur, _e_dr, _e_fr, _e_br)
123 PERM22(ret.c, _c_ufr, _c_dbr, _c_ubr, _c_dfr)
124
125 return ret;
126}
127
128static inline cube_t
129inline_move_R3(cube_t c)
130{
131 uint8_t aux, auy, auz;
132 cube_t ret = c;
133
134 PERM4(ret.e, _e_ur, _e_fr, _e_dr, _e_br)
135 PERM4(ret.c, _c_ufr, _c_dfr, _c_dbr, _c_ubr)
136
137 CO4(ret.c, _c_ubr, _c_dfr, _c_ufr, _c_dbr)
138
139 return ret;
140}
141
142static inline cube_t
143inline_move_L(cube_t c)
144{
145 uint8_t aux, auy, auz;
146 cube_t ret = c;
147
148 PERM4(ret.e, _e_ul, _e_fl, _e_dl, _e_bl)
149 PERM4(ret.c, _c_ufl, _c_dfl, _c_dbl, _c_ubl)
150
151 CO4(ret.c, _c_ufl, _c_dbl, _c_dfl, _c_ubl)
152
153 return ret;
154}
155
156static inline cube_t
157inline_move_L2(cube_t c)
158{
159 uint8_t aux;
160 cube_t ret = c;
161
162 PERM22(ret.e, _e_ul, _e_dl, _e_fl, _e_bl)
163 PERM22(ret.c, _c_ufl, _c_dbl, _c_ubl, _c_dfl)
164
165 return ret;
166}
167
168static inline cube_t
169inline_move_L3(cube_t c)
170{
171 uint8_t aux, auy, auz;
172 cube_t ret = c;
173
174 PERM4(ret.e, _e_ul, _e_bl, _e_dl, _e_fl)
175 PERM4(ret.c, _c_ufl, _c_ubl, _c_dbl, _c_dfl)
176
177 CO4(ret.c, _c_ufl, _c_dbl, _c_dfl, _c_ubl)
178
179 return ret;
180}
181
182static inline cube_t
183inline_move_F(cube_t c)
184{
185 uint8_t aux, auy, auz;
186 cube_t ret = c;
187
188 PERM4(ret.e, _e_uf, _e_fr, _e_df, _e_fl)
189 PERM4(ret.c, _c_ufr, _c_dfr, _c_dfl, _c_ufl)
190
191 EO4(ret.e, _e_uf, _e_fr, _e_df, _e_fl)
192 CO4(ret.c, _c_ufr, _c_dfl, _c_dfr, _c_ufl)
193
194 return ret;
195}
196
197static inline cube_t
198inline_move_F2(cube_t c)
199{
200 uint8_t aux;
201 cube_t ret = c;
202
203 PERM22(ret.e, _e_uf, _e_df, _e_fr, _e_fl)
204 PERM22(ret.c, _c_ufr, _c_dfl, _c_ufl, _c_dfr)
205
206 return ret;
207}
208
209static inline cube_t
210inline_move_F3(cube_t c)
211{
212 uint8_t aux, auy, auz;
213 cube_t ret = c;
214
215 PERM4(ret.e, _e_uf, _e_fl, _e_df, _e_fr)
216 PERM4(ret.c, _c_ufr, _c_ufl, _c_dfl, _c_dfr)
217
218 EO4(ret.e, _e_uf, _e_fr, _e_df, _e_fl)
219 CO4(ret.c, _c_ufr, _c_dfl, _c_dfr, _c_ufl)
220
221 return ret;
222}
223
224static inline cube_t
225inline_move_B(cube_t c)
226{
227 uint8_t aux, auy, auz;
228 cube_t ret = c;
229
230 PERM4(ret.e, _e_ub, _e_bl, _e_db, _e_br)
231 PERM4(ret.c, _c_ubr, _c_ubl, _c_dbl, _c_dbr)
232
233 EO4(ret.e, _e_ub, _e_br, _e_db, _e_bl)
234 CO4(ret.c, _c_ubl, _c_dbr, _c_dbl, _c_ubr)
235
236 return ret;
237}
238
239static inline cube_t
240inline_move_B2(cube_t c)
241{
242 uint8_t aux;
243 cube_t ret = c;
244
245 PERM22(ret.e, _e_ub, _e_db, _e_br, _e_bl)
246 PERM22(ret.c, _c_ubr, _c_dbl, _c_ubl, _c_dbr)
247
248 return ret;
249}
250
251static inline cube_t
252inline_move_B3(cube_t c)
253{
254 uint8_t aux, auy, auz;
255 cube_t ret = c;
256
257 PERM4(ret.e, _e_ub, _e_br, _e_db, _e_bl)
258 PERM4(ret.c, _c_ubr, _c_dbr, _c_dbl, _c_ubl)
259
260 EO4(ret.e, _e_ub, _e_br, _e_db, _e_bl)
261 CO4(ret.c, _c_ubl, _c_dbr, _c_dbl, _c_ubr)
262
263 return ret;
264}
diff --git a/src/_moves_avx2.c b/src/_moves_avx2.c
deleted file mode 100644
index 0c1f6a3..0000000
--- a/src/_moves_avx2.c
+++ /dev/null
@@ -1,197 +0,0 @@
1static inline cube_t
2inline_move_U(cube_t c)
3{
4 cube_t m = _mm256_set_epi8(
5 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 0, 1, 3, 2, 5, 4,
6 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 1, 0, 3, 2, 4, 5
7 );
8
9 return _mm256_shuffle_epi8(c, m);
10}
11
12static inline cube_t
13inline_move_U2(cube_t c)
14{
15 cube_t m = _mm256_set_epi8(
16 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 4, 5, 3, 2, 0, 1,
17 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 4, 5, 3, 2, 0, 1
18 );
19
20 return _mm256_shuffle_epi8(c, m);
21}
22
23static inline cube_t
24inline_move_U3(cube_t c)
25{
26 cube_t m = _mm256_set_epi8(
27 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 1, 0, 3, 2, 4, 5,
28 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 0, 1, 3, 2, 5, 4
29 );
30
31 return _mm256_shuffle_epi8(c, m);
32}
33
34static inline cube_t
35inline_move_D(cube_t c)
36{
37 cube_t m = _mm256_set_epi8(
38 0, 0, 0, 0, 11, 10, 9, 8, 3, 2, 5, 4, 6, 7, 1, 0,
39 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 5, 4, 6, 7, 1, 0
40 );
41
42 return _mm256_shuffle_epi8(c, m);
43}
44
45static inline cube_t
46inline_move_D2(cube_t c)
47{
48 cube_t m = _mm256_set_epi8(
49 0, 0, 0, 0, 11, 10, 9, 8, 6, 7, 5, 4, 2, 3, 1, 0,
50 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 5, 4, 2, 3, 1, 0
51 );
52
53 return _mm256_shuffle_epi8(c, m);
54}
55
56static inline cube_t
57inline_move_D3(cube_t c)
58{
59 cube_t m = _mm256_set_epi8(
60 0, 0, 0, 0, 11, 10, 9, 8, 2, 3, 5, 4, 7, 6, 1, 0,
61 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 5, 4, 7, 6, 1, 0
62 );
63
64 return _mm256_shuffle_epi8(c, m);
65}
66
67static inline cube_t
68inline_move_R(cube_t c)
69{
70 cube_t m = _mm256_set_epi8(
71 0, 0, 0, 0, 4, 10, 9, 7, 11, 6, 5, 8, 3, 2, 1, 0,
72 0, 0, 0, 0, 0, 0, 0, 0, 7, 35, 32, 4, 69, 2, 1, 70
73 );
74
75 return compose(c, m);
76}
77
78static inline cube_t
79inline_move_R2(cube_t c)
80{
81 cube_t m = _mm256_set_epi8(
82 0, 0, 0, 0, 8, 10, 9, 11, 4, 6, 5, 7, 3, 2, 1, 0,
83 0, 0, 0, 0, 0, 0, 0, 0, 7, 5, 6, 4, 0, 2, 1, 3
84 );
85
86 return _mm256_shuffle_epi8(c, m);
87}
88
89static inline cube_t
90inline_move_R3(cube_t c)
91{
92 cube_t m = _mm256_set_epi8(
93 0, 0, 0, 0, 7, 10, 9, 4, 8, 6, 5, 11, 3, 2, 1, 0,
94 0, 0, 0, 0, 0, 0, 0, 0, 7, 32, 35, 4, 70, 2, 1, 69
95 );
96
97 return compose(c, m);
98}
99
100static inline cube_t
101inline_move_L(cube_t c)
102{
103 cube_t m = _mm256_set_epi8(
104 0, 0, 0, 0, 11, 6, 5, 8, 7, 9, 10, 4, 3, 2, 1, 0,
105 0, 0, 0, 0, 0, 0, 0, 0, 34, 6, 5, 33, 3, 68, 71, 0
106 );
107
108 return compose(c, m);
109}
110
111static inline cube_t
112inline_move_L2(cube_t c)
113{
114 cube_t m = _mm256_set_epi8(
115 0, 0, 0, 0, 11, 9, 10, 8, 7, 5, 6, 4, 3, 2, 1, 0,
116 0, 0, 0, 0, 0, 0, 0, 0, 4, 6, 5, 7, 3, 1, 2, 0
117 );
118
119 return _mm256_shuffle_epi8(c, m);
120}
121
122static inline cube_t
123inline_move_L3(cube_t c)
124{
125 cube_t m = _mm256_set_epi8(
126 0, 0, 0, 0, 11, 5, 6, 8, 7, 10, 9, 4, 3, 2, 1, 0,
127 0, 0, 0, 0, 0, 0, 0, 0, 33, 6, 5, 34, 3, 71, 68, 0
128 );
129
130 return compose(c, m);
131}
132
133static inline cube_t
134inline_move_F(cube_t c)
135{
136 cube_t m = _mm256_set_epi8(
137 0, 0, 0, 0, 11, 10, 19, 16, 7, 6, 5, 4, 24, 2, 1, 25,
138 0, 0, 0, 0, 0, 0, 0, 0, 7, 64, 5, 66, 3, 38, 1, 36
139 );
140
141 return compose(c, m);
142}
143
144static inline cube_t
145inline_move_F2(cube_t c)
146{
147 cube_t m = _mm256_set_epi8(
148 0, 0, 0, 0, 11, 10, 8, 9, 7, 6, 5, 4, 0, 2, 1, 3,
149 0, 0, 0, 0, 0, 0, 0, 0, 7, 4, 5, 6, 3, 0, 1, 2
150 );
151
152 return _mm256_shuffle_epi8(c, m);
153}
154
155static inline cube_t
156inline_move_F3(cube_t c)
157{
158 cube_t m = _mm256_set_epi8(
159 0, 0, 0, 0, 11, 10, 16, 19, 7, 6, 5, 4, 25, 2, 1, 24,
160 0, 0, 0, 0, 0, 0, 0, 0, 7, 66, 5, 64, 3, 36, 1, 38
161 );
162
163 return compose(c, m);
164}
165
166static inline cube_t
167inline_move_B(cube_t c)
168{
169 cube_t m = _mm256_set_epi8(
170 0, 0, 0, 0, 18, 17, 9, 8, 7, 6, 5, 4, 3, 26, 27, 0,
171 0, 0, 0, 0, 0, 0, 0, 0, 65, 6, 67, 4, 39, 2, 37, 0
172 );
173
174 return compose(c, m);
175}
176
177static inline cube_t
178inline_move_B2(cube_t c)
179{
180 cube_t m = _mm256_set_epi8(
181 0, 0, 0, 0, 10, 11, 9, 8, 7, 6, 5, 4, 3, 1, 2, 0,
182 0, 0, 0, 0, 0, 0, 0, 0, 5, 6, 7, 4, 1, 2, 3, 0
183 );
184
185 return _mm256_shuffle_epi8(c, m);
186}
187
188static inline cube_t
189inline_move_B3(cube_t c)
190{
191 cube_t m = _mm256_set_epi8(
192 0, 0, 0, 0, 17, 18, 9, 8, 7, 6, 5, 4, 3, 27, 26, 0,
193 0, 0, 0, 0, 0, 0, 0, 0, 67, 6, 65, 4, 37, 2, 39, 0
194 );
195
196 return compose(c, m);
197}
diff --git a/src/_trans_arr.c b/src/_trans_arr.c
deleted file mode 100644
index 3a7c843..0000000
--- a/src/_trans_arr.c
+++ /dev/null
@@ -1,952 +0,0 @@
1static inline cube_t
2flipallcorners(cube_t c)
3{
4 uint8_t i, piece, orien;
5 cube_t ret;
6
7 ret = c;
8 for (i = 0; i < 8; i++) {
9 piece = get_corner(c, i);
10 orien = ((piece << 1) | (piece >> 1)) & _cobits2;
11 set_corner(ret, i, (piece & _pbits) | orien);
12 }
13
14 return ret;
15}
16
17static inline cube_t
18inline_trans_UFr(cube_t c)
19{
20 cube_t ret;
21 cube_t tn = {
22 .c = {0, 1, 2, 3, 4, 5, 6, 7},
23 .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
24 };
25 cube_t ti = {
26 .c = {0, 1, 2, 3, 4, 5, 6, 7},
27 .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
28 };
29
30 ret = compose(tn, c);
31 ret = compose(ret, ti);
32
33 return ret;
34}
35
36static inline cube_t
37inline_trans_ULr(cube_t c)
38{
39 cube_t ret;
40 cube_t tn = {
41 .c = {4, 5, 7, 6, 1, 0, 2, 3},
42 .e = {5, 4, 7, 6, 0, 1, 2, 3, 25, 26, 27, 24}
43 };
44 cube_t ti = {
45 .c = {5, 4, 6, 7, 0, 1, 3, 2},
46 .e = {4, 5, 6, 7, 1, 0, 3, 2, 27, 24, 25, 26}
47 };
48
49 ret = compose(tn, c);
50 ret = compose(ret, ti);
51
52 return ret;
53}
54
55static inline cube_t
56inline_trans_UBr(cube_t c)
57{
58 cube_t ret;
59 cube_t tn = {
60 .c = {1, 0, 3, 2, 5, 4, 7, 6},
61 .e = {1, 0, 3, 2, 5, 4, 7, 6, 10, 11, 8, 9}
62 };
63 cube_t ti = {
64 .c = {1, 0, 3, 2, 5, 4, 7, 6},
65 .e = {1, 0, 3, 2, 5, 4, 7, 6, 10, 11, 8, 9}
66 };
67
68 ret = compose(tn, c);
69 ret = compose(ret, ti);
70
71 return ret;
72}
73
74static inline cube_t
75inline_trans_URr(cube_t c)
76{
77 cube_t ret;
78 cube_t tn = {
79 .c = {5, 4, 6, 7, 0, 1, 3, 2},
80 .e = {4, 5, 6, 7, 1, 0, 3, 2, 27, 24, 25, 26}
81 };
82 cube_t ti = {
83 .c = {4, 5, 7, 6, 1, 0, 2, 3},
84 .e = {5, 4, 7, 6, 0, 1, 2, 3, 25, 26, 27, 24}
85 };
86
87 ret = compose(tn, c);
88 ret = compose(ret, ti);
89
90 return ret;
91}
92
93static inline cube_t
94inline_trans_DFr(cube_t c)
95{
96 cube_t ret;
97 cube_t tn = {
98 .c = {2, 3, 0, 1, 6, 7, 4, 5},
99 .e = {3, 2, 1, 0, 6, 7, 4, 5, 9, 8, 11, 10}
100 };
101 cube_t ti = {
102 .c = {2, 3, 0, 1, 6, 7, 4, 5},
103 .e = {3, 2, 1, 0, 6, 7, 4, 5, 9, 8, 11, 10}
104 };
105
106 ret = compose(tn, c);
107 ret = compose(ret, ti);
108
109 return ret;
110}
111
112static inline cube_t
113inline_trans_DLr(cube_t c)
114{
115 cube_t ret;
116 cube_t tn = {
117 .c = {7, 6, 4, 5, 2, 3, 1, 0},
118 .e = {6, 7, 4, 5, 2, 3, 0, 1, 26, 25, 24, 27}
119 };
120 cube_t ti = {
121 .c = {7, 6, 4, 5, 2, 3, 1, 0},
122 .e = {6, 7, 4, 5, 2, 3, 0, 1, 26, 25, 24, 27}
123 };
124
125 ret = compose(tn, c);
126 ret = compose(ret, ti);
127
128 return ret;
129}
130
131static inline cube_t
132inline_trans_DBr(cube_t c)
133{
134 cube_t ret;
135 cube_t tn = {
136 .c = {3, 2, 1, 0, 7, 6, 5, 4},
137 .e = {2, 3, 0, 1, 7, 6, 5, 4, 11, 10, 9, 8}
138 };
139 cube_t ti = {
140 .c = {3, 2, 1, 0, 7, 6, 5, 4},
141 .e = {2, 3, 0, 1, 7, 6, 5, 4, 11, 10, 9, 8}
142 };
143
144 ret = compose(tn, c);
145 ret = compose(ret, ti);
146
147 return ret;
148}
149
150static inline cube_t
151inline_trans_DRr(cube_t c)
152{
153 cube_t ret;
154 cube_t tn = {
155 .c = {6, 7, 5, 4, 3, 2, 0, 1},
156 .e = {7, 6, 5, 4, 3, 2, 1, 0, 24, 27, 26, 25}
157 };
158 cube_t ti = {
159 .c = {6, 7, 5, 4, 3, 2, 0, 1},
160 .e = {7, 6, 5, 4, 3, 2, 1, 0, 24, 27, 26, 25}
161 };
162
163 ret = compose(tn, c);
164 ret = compose(ret, ti);
165
166 return ret;
167}
168
169static inline cube_t
170inline_trans_RUr(cube_t c)
171{
172 cube_t ret;
173 cube_t tn = {
174 .c = {64, 67, 65, 66, 37, 38, 36, 39},
175 .e = {20, 23, 22, 21, 24, 27, 26, 25, 0, 1, 2, 3}
176 };
177 cube_t ti = {
178 .c = {32, 34, 35, 33, 70, 68, 69, 71},
179 .e = {8, 9, 10, 11, 16, 19, 18, 17, 20, 23, 22, 21}
180 };
181
182 ret = compose(tn, c);
183 ret = compose(ret, ti);
184
185 return ret;
186}
187
188static inline cube_t
189inline_trans_RFr(cube_t c)
190{
191 cube_t ret;
192 cube_t tn = {
193 .c = {38, 37, 36, 39, 64, 67, 66, 65},
194 .e = {24, 27, 26, 25, 23, 20, 21, 22, 19, 16, 17, 18}
195 };
196 cube_t ti = {
197 .c = {36, 39, 38, 37, 66, 65, 64, 67},
198 .e = {25, 26, 27, 24, 21, 22, 23, 20, 16, 19, 18, 17}
199 };
200
201 ret = compose(tn, c);
202 ret = compose(ret, ti);
203
204 return ret;
205}
206
207static inline cube_t
208inline_trans_RDr(cube_t c)
209{
210 cube_t ret;
211 cube_t tn = {
212 .c = {67, 64, 66, 65, 38, 37, 39, 36},
213 .e = {23, 20, 21, 22, 27, 24, 25, 26, 2, 3, 0, 1}
214 };
215 cube_t ti = {
216 .c = {33, 35, 34, 32, 71, 69, 68, 70},
217 .e = {10, 11, 8, 9, 17, 18, 19, 16, 21, 22, 23, 20}
218 };
219
220 ret = compose(tn, c);
221 ret = compose(ret, ti);
222
223 return ret;
224}
225
226static inline cube_t
227inline_trans_RBr(cube_t c)
228{
229 cube_t ret;
230 cube_t tn = {
231 .c = {37, 38, 39, 36, 67, 64, 65, 66},
232 .e = {27, 24, 25, 26, 20, 23, 22, 21, 17, 18, 19, 16}
233 };
234 cube_t ti = {
235 .c = {37, 38, 39, 36, 67, 64, 65, 66},
236 .e = {27, 24, 25, 26, 20, 23, 22, 21, 17, 18, 19, 16}
237 };
238
239 ret = compose(tn, c);
240 ret = compose(ret, ti);
241
242 return ret;
243}
244
245static inline cube_t
246inline_trans_LUr(cube_t c)
247{
248 cube_t ret;
249 cube_t tn = {
250 .c = {65, 66, 64, 67, 36, 39, 37, 38},
251 .e = {21, 22, 23, 20, 26, 25, 24, 27, 1, 0, 3, 2}
252 };
253 cube_t ti = {
254 .c = {34, 32, 33, 35, 68, 70, 71, 69},
255 .e = {9, 8, 11, 10, 19, 16, 17, 18, 22, 21, 20, 23}
256 };
257
258 ret = compose(tn, c);
259 ret = compose(ret, ti);
260
261 return ret;
262}
263
264static inline cube_t
265inline_trans_LFr(cube_t c)
266{
267 cube_t ret;
268 cube_t tn = {
269 .c = {36, 39, 38, 37, 66, 65, 64, 67},
270 .e = {25, 26, 27, 24, 21, 22, 23, 20, 16, 19, 18, 17}
271 };
272 cube_t ti = {
273 .c = {38, 37, 36, 39, 64, 67, 66, 65},
274 .e = {24, 27, 26, 25, 23, 20, 21, 22, 19, 16, 17, 18}
275 };
276
277 ret = compose(tn, c);
278 ret = compose(ret, ti);
279
280 return ret;
281}
282
283static inline cube_t
284inline_trans_LDr(cube_t c)
285{
286 cube_t ret;
287 cube_t tn = {
288 .c = {66, 65, 67, 64, 39, 36, 38, 37},
289 .e = {22, 21, 20, 23, 25, 26, 27, 24, 3, 2, 1, 0}
290 };
291 cube_t ti = {
292 .c = {35, 33, 32, 34, 69, 71, 70, 68},
293 .e = {11, 10, 9, 8, 18, 17, 16, 19, 23, 20, 21, 22}
294 };
295
296 ret = compose(tn, c);
297 ret = compose(ret, ti);
298
299 return ret;
300}
301
302static inline cube_t
303inline_trans_LBr(cube_t c)
304{
305 cube_t ret;
306 cube_t tn = {
307 .c = {39, 36, 37, 38, 65, 66, 67, 64},
308 .e = {26, 25, 24, 27, 22, 21, 20, 23, 18, 17, 16, 19}
309 };
310 cube_t ti = {
311 .c = {39, 36, 37, 38, 65, 66, 67, 64},
312 .e = {26, 25, 24, 27, 22, 21, 20, 23, 18, 17, 16, 19}
313 };
314
315 ret = compose(tn, c);
316 ret = compose(ret, ti);
317
318 return ret;
319}
320
321static inline cube_t
322inline_trans_FUr(cube_t c)
323{
324 cube_t ret;
325 cube_t tn = {
326 .c = {68, 70, 69, 71, 32, 34, 33, 35},
327 .e = {16, 19, 18, 17, 9, 8, 11, 10, 5, 4, 7, 6}
328 };
329 cube_t ti = {
330 .c = {68, 70, 69, 71, 32, 34, 33, 35},
331 .e = {16, 19, 18, 17, 9, 8, 11, 10, 5, 4, 7, 6}
332 };
333
334 ret = compose(tn, c);
335 ret = compose(ret, ti);
336
337 return ret;
338}
339
340static inline cube_t
341inline_trans_FRr(cube_t c)
342{
343 cube_t ret;
344 cube_t tn = {
345 .c = {32, 34, 35, 33, 70, 68, 69, 71},
346 .e = {8, 9, 10, 11, 16, 19, 18, 17, 20, 23, 22, 21}
347 };
348 cube_t ti = {
349 .c = {64, 67, 65, 66, 37, 38, 36, 39},
350 .e = {20, 23, 22, 21, 24, 27, 26, 25, 0, 1, 2, 3}
351 };
352
353 ret = compose(tn, c);
354 ret = compose(ret, ti);
355
356 return ret;
357}
358
359static inline cube_t
360inline_trans_FDr(cube_t c)
361{
362 cube_t ret;
363 cube_t tn = {
364 .c = {70, 68, 71, 69, 34, 32, 35, 33},
365 .e = {19, 16, 17, 18, 8, 9, 10, 11, 7, 6, 5, 4}
366 };
367 cube_t ti = {
368 .c = {69, 71, 68, 70, 33, 35, 32, 34},
369 .e = {17, 18, 19, 16, 11, 10, 9, 8, 4, 5, 6, 7}
370 };
371
372 ret = compose(tn, c);
373 ret = compose(ret, ti);
374
375 return ret;
376}
377
378static inline cube_t
379inline_trans_FLr(cube_t c)
380{
381 cube_t ret;
382 cube_t tn = {
383 .c = {34, 32, 33, 35, 68, 70, 71, 69},
384 .e = {9, 8, 11, 10, 19, 16, 17, 18, 22, 21, 20, 23}
385 };
386 cube_t ti = {
387 .c = {65, 66, 64, 67, 36, 39, 37, 38},
388 .e = {21, 22, 23, 20, 26, 25, 24, 27, 1, 0, 3, 2}
389 };
390
391 ret = compose(tn, c);
392 ret = compose(ret, ti);
393
394 return ret;
395}
396
397static inline cube_t
398inline_trans_BUr(cube_t c)
399{
400 cube_t ret;
401 cube_t tn = {
402 .c = {69, 71, 68, 70, 33, 35, 32, 34},
403 .e = {17, 18, 19, 16, 11, 10, 9, 8, 4, 5, 6, 7}
404 };
405 cube_t ti = {
406 .c = {70, 68, 71, 69, 34, 32, 35, 33},
407 .e = {19, 16, 17, 18, 8, 9, 10, 11, 7, 6, 5, 4}
408 };
409
410 ret = compose(tn, c);
411 ret = compose(ret, ti);
412
413 return ret;
414}
415
416static inline cube_t
417inline_trans_BRr(cube_t c)
418{
419 cube_t ret;
420 cube_t tn = {
421 .c = {35, 33, 32, 34, 69, 71, 70, 68},
422 .e = {11, 10, 9, 8, 18, 17, 16, 19, 23, 20, 21, 22}
423 };
424 cube_t ti = {
425 .c = {66, 65, 67, 64, 39, 36, 38, 37},
426 .e = {22, 21, 20, 23, 25, 26, 27, 24, 3, 2, 1, 0}
427 };
428
429 ret = compose(tn, c);
430 ret = compose(ret, ti);
431
432 return ret;
433}
434
435static inline cube_t
436inline_trans_BDr(cube_t c)
437{
438 cube_t ret;
439 cube_t tn = {
440 .c = {71, 69, 70, 68, 35, 33, 34, 32},
441 .e = {18, 17, 16, 19, 10, 11, 8, 9, 6, 7, 4, 5}
442 };
443 cube_t ti = {
444 .c = {71, 69, 70, 68, 35, 33, 34, 32},
445 .e = {18, 17, 16, 19, 10, 11, 8, 9, 6, 7, 4, 5}
446 };
447
448 ret = compose(tn, c);
449 ret = compose(ret, ti);
450
451 return ret;
452}
453
454static inline cube_t
455inline_trans_BLr(cube_t c)
456{
457 cube_t ret;
458 cube_t tn = {
459 .c = {33, 35, 34, 32, 71, 69, 68, 70},
460 .e = {10, 11, 8, 9, 17, 18, 19, 16, 21, 22, 23, 20}
461 };
462 cube_t ti = {
463 .c = {67, 64, 66, 65, 38, 37, 39, 36},
464 .e = {23, 20, 21, 22, 27, 24, 25, 26, 2, 3, 0, 1}
465 };
466
467 ret = compose(tn, c);
468 ret = compose(ret, ti);
469
470 return ret;
471}
472
473static inline cube_t
474inline_trans_UFm(cube_t c)
475{
476 cube_t ret;
477 cube_t tn = {
478 .c = {4, 5, 6, 7, 0, 1, 2, 3},
479 .e = {0, 1, 2, 3, 5, 4, 7, 6, 9, 8, 11, 10}
480 };
481 cube_t ti = {
482 .c = {4, 5, 6, 7, 0, 1, 2, 3},
483 .e = {0, 1, 2, 3, 5, 4, 7, 6, 9, 8, 11, 10}
484 };
485
486 ret = compose(tn, c);
487 ret = compose(ret, ti);
488 ret = flipallcorners(ret);
489
490 return ret;
491}
492
493static inline cube_t
494inline_trans_ULm(cube_t c)
495{
496 cube_t ret;
497 cube_t tn = {
498 .c = {0, 1, 3, 2, 5, 4, 6, 7},
499 .e = {4, 5, 6, 7, 0, 1, 2, 3, 24, 27, 26, 25}
500 };
501 cube_t ti = {
502 .c = {0, 1, 3, 2, 5, 4, 6, 7},
503 .e = {4, 5, 6, 7, 0, 1, 2, 3, 24, 27, 26, 25}
504 };
505
506 ret = compose(tn, c);
507 ret = compose(ret, ti);
508 ret = flipallcorners(ret);
509
510 return ret;
511}
512
513static inline cube_t
514inline_trans_UBm(cube_t c)
515{
516 cube_t ret;
517 cube_t tn = {
518 .c = {5, 4, 7, 6, 1, 0, 3, 2},
519 .e = {1, 0, 3, 2, 4, 5, 6, 7, 11, 10, 9, 8}
520 };
521 cube_t ti = {
522 .c = {5, 4, 7, 6, 1, 0, 3, 2},
523 .e = {1, 0, 3, 2, 4, 5, 6, 7, 11, 10, 9, 8}
524 };
525
526 ret = compose(tn, c);
527 ret = compose(ret, ti);
528 ret = flipallcorners(ret);
529
530 return ret;
531}
532
533static inline cube_t
534inline_trans_URm(cube_t c)
535{
536 cube_t ret;
537 cube_t tn = {
538 .c = {1, 0, 2, 3, 4, 5, 7, 6},
539 .e = {5, 4, 7, 6, 1, 0, 3, 2, 26, 25, 24, 27}
540 };
541 cube_t ti = {
542 .c = {1, 0, 2, 3, 4, 5, 7, 6},
543 .e = {5, 4, 7, 6, 1, 0, 3, 2, 26, 25, 24, 27}
544 };
545
546 ret = compose(tn, c);
547 ret = compose(ret, ti);
548 ret = flipallcorners(ret);
549
550 return ret;
551}
552
553static inline cube_t
554inline_trans_DFm(cube_t c)
555{
556 cube_t ret;
557 cube_t tn = {
558 .c = {6, 7, 4, 5, 2, 3, 0, 1},
559 .e = {3, 2, 1, 0, 7, 6, 5, 4, 8, 9, 10, 11}
560 };
561 cube_t ti = {
562 .c = {6, 7, 4, 5, 2, 3, 0, 1},
563 .e = {3, 2, 1, 0, 7, 6, 5, 4, 8, 9, 10, 11}
564 };
565
566 ret = compose(tn, c);
567 ret = compose(ret, ti);
568 ret = flipallcorners(ret);
569
570 return ret;
571}
572
573static inline cube_t
574inline_trans_DLm(cube_t c)
575{
576 cube_t ret;
577 cube_t tn = {
578 .c = {3, 2, 0, 1, 6, 7, 5, 4},
579 .e = {7, 6, 5, 4, 2, 3, 0, 1, 27, 24, 25, 26}
580 };
581 cube_t ti = {
582 .c = {2, 3, 1, 0, 7, 6, 4, 5},
583 .e = {6, 7, 4, 5, 3, 2, 1, 0, 25, 26, 27, 24}
584 };
585
586 ret = compose(tn, c);
587 ret = compose(ret, ti);
588 ret = flipallcorners(ret);
589
590 return ret;
591}
592
593static inline cube_t
594inline_trans_DBm(cube_t c)
595{
596 cube_t ret;
597 cube_t tn = {
598 .c = {7, 6, 5, 4, 3, 2, 1, 0},
599 .e = {2, 3, 0, 1, 6, 7, 4, 5, 10, 11, 8, 9}
600 };
601 cube_t ti = {
602 .c = {7, 6, 5, 4, 3, 2, 1, 0},
603 .e = {2, 3, 0, 1, 6, 7, 4, 5, 10, 11, 8, 9}
604 };
605
606 ret = compose(tn, c);
607 ret = compose(ret, ti);
608 ret = flipallcorners(ret);
609
610 return ret;
611}
612
613static inline cube_t
614inline_trans_DRm(cube_t c)
615{
616 cube_t ret;
617 cube_t tn = {
618 .c = {2, 3, 1, 0, 7, 6, 4, 5},
619 .e = {6, 7, 4, 5, 3, 2, 1, 0, 25, 26, 27, 24}
620 };
621 cube_t ti = {
622 .c = {3, 2, 0, 1, 6, 7, 5, 4},
623 .e = {7, 6, 5, 4, 2, 3, 0, 1, 27, 24, 25, 26}
624 };
625
626 ret = compose(tn, c);
627 ret = compose(ret, ti);
628 ret = flipallcorners(ret);
629
630 return ret;
631}
632
633static inline cube_t
634inline_trans_RUm(cube_t c)
635{
636 cube_t ret;
637 cube_t tn = {
638 .c = {68, 71, 69, 70, 33, 34, 32, 35},
639 .e = {21, 22, 23, 20, 25, 26, 27, 24, 0, 1, 2, 3}
640 };
641 cube_t ti = {
642 .c = {70, 68, 69, 71, 32, 34, 35, 33},
643 .e = {8, 9, 10, 11, 19, 16, 17, 18, 23, 20, 21, 22}
644 };
645
646 ret = compose(tn, c);
647 ret = compose(ret, ti);
648 ret = flipallcorners(ret);
649
650 return ret;
651}
652
653static inline cube_t
654inline_trans_RFm(cube_t c)
655{
656 cube_t ret;
657 cube_t tn = {
658 .c = {34, 33, 32, 35, 68, 71, 70, 69},
659 .e = {25, 26, 27, 24, 22, 21, 20, 23, 19, 16, 17, 18}
660 };
661 cube_t ti = {
662 .c = {66, 65, 64, 67, 36, 39, 38, 37},
663 .e = {25, 26, 27, 24, 22, 21, 20, 23, 19, 16, 17, 18}
664 };
665
666 ret = compose(tn, c);
667 ret = compose(ret, ti);
668 ret = flipallcorners(ret);
669
670 return ret;
671}
672
673static inline cube_t
674inline_trans_RDm(cube_t c)
675{
676 cube_t ret;
677 cube_t tn = {
678 .c = {71, 68, 70, 69, 34, 33, 35, 32},
679 .e = {22, 21, 20, 23, 26, 25, 24, 27, 2, 3, 0, 1}
680 };
681 cube_t ti = {
682 .c = {71, 69, 68, 70, 33, 35, 34, 32},
683 .e = {10, 11, 8, 9, 18, 17, 16, 19, 22, 21, 20, 23}
684 };
685
686 ret = compose(tn, c);
687 ret = compose(ret, ti);
688 ret = flipallcorners(ret);
689
690 return ret;
691}
692
693static inline cube_t
694inline_trans_RBm(cube_t c)
695{
696 cube_t ret;
697 cube_t tn = {
698 .c = {33, 34, 35, 32, 71, 68, 69, 70},
699 .e = {26, 25, 24, 27, 21, 22, 23, 20, 17, 18, 19, 16}
700 };
701 cube_t ti = {
702 .c = {67, 64, 65, 66, 37, 38, 39, 36},
703 .e = {27, 24, 25, 26, 23, 20, 21, 22, 18, 17, 16, 19}
704 };
705
706 ret = compose(tn, c);
707 ret = compose(ret, ti);
708 ret = flipallcorners(ret);
709
710 return ret;
711}
712
713static inline cube_t
714inline_trans_LUm(cube_t c)
715{
716 cube_t ret;
717 cube_t tn = {
718 .c = {69, 70, 68, 71, 32, 35, 33, 34},
719 .e = {20, 23, 22, 21, 27, 24, 25, 26, 1, 0, 3, 2}
720 };
721 cube_t ti = {
722 .c = {68, 70, 71, 69, 34, 32, 33, 35},
723 .e = {9, 8, 11, 10, 16, 19, 18, 17, 21, 22, 23, 20}
724 };
725
726 ret = compose(tn, c);
727 ret = compose(ret, ti);
728 ret = flipallcorners(ret);
729
730 return ret;
731}
732
733static inline cube_t
734inline_trans_LFm(cube_t c)
735{
736 cube_t ret;
737 cube_t tn = {
738 .c = {32, 35, 34, 33, 70, 69, 68, 71},
739 .e = {24, 27, 26, 25, 20, 23, 22, 21, 16, 19, 18, 17}
740 };
741 cube_t ti = {
742 .c = {64, 67, 66, 65, 38, 37, 36, 39},
743 .e = {24, 27, 26, 25, 20, 23, 22, 21, 16, 19, 18, 17}
744 };
745
746 ret = compose(tn, c);
747 ret = compose(ret, ti);
748 ret = flipallcorners(ret);
749
750 return ret;
751}
752
753static inline cube_t
754inline_trans_LDm(cube_t c)
755{
756 cube_t ret;
757 cube_t tn = {
758 .c = {70, 69, 71, 68, 35, 32, 34, 33},
759 .e = {23, 20, 21, 22, 24, 27, 26, 25, 3, 2, 1, 0}
760 };
761 cube_t ti = {
762 .c = {69, 71, 70, 68, 35, 33, 32, 34},
763 .e = {11, 10, 9, 8, 17, 18, 19, 16, 20, 23, 22, 21}
764 };
765
766 ret = compose(tn, c);
767 ret = compose(ret, ti);
768 ret = flipallcorners(ret);
769
770 return ret;
771}
772
773static inline cube_t
774inline_trans_LBm(cube_t c)
775{
776 cube_t ret;
777 cube_t tn = {
778 .c = {35, 32, 33, 34, 69, 70, 71, 68},
779 .e = {27, 24, 25, 26, 23, 20, 21, 22, 18, 17, 16, 19}
780 };
781 cube_t ti = {
782 .c = {65, 66, 67, 64, 39, 36, 37, 38},
783 .e = {26, 25, 24, 27, 21, 22, 23, 20, 17, 18, 19, 16}
784 };
785
786 ret = compose(tn, c);
787 ret = compose(ret, ti);
788 ret = flipallcorners(ret);
789
790 return ret;
791}
792
793static inline cube_t
794inline_trans_FUm(cube_t c)
795{
796 cube_t ret;
797 cube_t tn = {
798 .c = {64, 66, 65, 67, 36, 38, 37, 39},
799 .e = {16, 19, 18, 17, 8, 9, 10, 11, 4, 5, 6, 7}
800 };
801 cube_t ti = {
802 .c = {32, 34, 33, 35, 68, 70, 69, 71},
803 .e = {16, 19, 18, 17, 8, 9, 10, 11, 4, 5, 6, 7}
804 };
805
806 ret = compose(tn, c);
807 ret = compose(ret, ti);
808 ret = flipallcorners(ret);
809
810 return ret;
811}
812
813static inline cube_t
814inline_trans_FRm(cube_t c)
815{
816 cube_t ret;
817 cube_t tn = {
818 .c = {36, 38, 39, 37, 66, 64, 65, 67},
819 .e = {9, 8, 11, 10, 16, 19, 18, 17, 21, 22, 23, 20}
820 };
821 cube_t ti = {
822 .c = {37, 38, 36, 39, 64, 67, 65, 66},
823 .e = {20, 23, 22, 21, 27, 24, 25, 26, 1, 0, 3, 2}
824 };
825
826 ret = compose(tn, c);
827 ret = compose(ret, ti);
828 ret = flipallcorners(ret);
829
830 return ret;
831}
832
833static inline cube_t
834inline_trans_FDm(cube_t c)
835{
836 cube_t ret;
837 cube_t tn = {
838 .c = {66, 64, 67, 65, 38, 36, 39, 37},
839 .e = {19, 16, 17, 18, 9, 8, 11, 10, 6, 7, 4, 5}
840 };
841 cube_t ti = {
842 .c = {33, 35, 32, 34, 69, 71, 68, 70},
843 .e = {17, 18, 19, 16, 10, 11, 8, 9, 5, 4, 7, 6}
844 };
845
846 ret = compose(tn, c);
847 ret = compose(ret, ti);
848 ret = flipallcorners(ret);
849
850 return ret;
851}
852
853static inline cube_t
854inline_trans_FLm(cube_t c)
855{
856 cube_t ret;
857 cube_t tn = {
858 .c = {38, 36, 37, 39, 64, 66, 67, 65},
859 .e = {8, 9, 10, 11, 19, 16, 17, 18, 23, 20, 21, 22}
860 };
861 cube_t ti = {
862 .c = {36, 39, 37, 38, 65, 66, 64, 67},
863 .e = {21, 22, 23, 20, 25, 26, 27, 24, 0, 1, 2, 3}
864 };
865
866 ret = compose(tn, c);
867 ret = compose(ret, ti);
868 ret = flipallcorners(ret);
869
870 return ret;
871}
872
873static inline cube_t
874inline_trans_BUm(cube_t c)
875{
876 cube_t ret;
877 cube_t tn = {
878 .c = {65, 67, 64, 66, 37, 39, 36, 38},
879 .e = {17, 18, 19, 16, 10, 11, 8, 9, 5, 4, 7, 6}
880 };
881 cube_t ti = {
882 .c = {34, 32, 35, 33, 70, 68, 71, 69},
883 .e = {19, 16, 17, 18, 9, 8, 11, 10, 6, 7, 4, 5}
884 };
885
886 ret = compose(tn, c);
887 ret = compose(ret, ti);
888 ret = flipallcorners(ret);
889
890 return ret;
891}
892
893static inline cube_t
894inline_trans_BRm(cube_t c)
895{
896 cube_t ret;
897 cube_t tn = {
898 .c = {39, 37, 36, 38, 65, 67, 66, 64},
899 .e = {10, 11, 8, 9, 18, 17, 16, 19, 22, 21, 20, 23}
900 };
901 cube_t ti = {
902 .c = {39, 36, 38, 37, 66, 65, 67, 64},
903 .e = {22, 21, 20, 23, 26, 25, 24, 27, 2, 3, 0, 1}
904 };
905
906 ret = compose(tn, c);
907 ret = compose(ret, ti);
908 ret = flipallcorners(ret);
909
910 return ret;
911}
912
913static inline cube_t
914inline_trans_BDm(cube_t c)
915{
916 cube_t ret;
917 cube_t tn = {
918 .c = {67, 65, 66, 64, 39, 37, 38, 36},
919 .e = {18, 17, 16, 19, 11, 10, 9, 8, 7, 6, 5, 4}
920 };
921 cube_t ti = {
922 .c = {35, 33, 34, 32, 71, 69, 70, 68},
923 .e = {18, 17, 16, 19, 11, 10, 9, 8, 7, 6, 5, 4}
924 };
925
926 ret = compose(tn, c);
927 ret = compose(ret, ti);
928 ret = flipallcorners(ret);
929
930 return ret;
931}
932
933static inline cube_t
934inline_trans_BLm(cube_t c)
935{
936 cube_t ret;
937 cube_t tn = {
938 .c = {37, 39, 38, 36, 67, 65, 64, 66},
939 .e = {11, 10, 9, 8, 17, 18, 19, 16, 20, 23, 22, 21}
940 };
941 cube_t ti = {
942 .c = {38, 37, 39, 36, 67, 64, 66, 65},
943 .e = {23, 20, 21, 22, 24, 27, 26, 25, 3, 2, 1, 0}
944 };
945
946 ret = compose(tn, c);
947 ret = compose(ret, ti);
948 ret = flipallcorners(ret);
949
950 return ret;
951}
952
diff --git a/src/_trans_avx2.c b/src/_trans_avx2.c
deleted file mode 100644
index c296f6d..0000000
--- a/src/_trans_avx2.c
+++ /dev/null
@@ -1,1000 +0,0 @@
1static inline cube_t
2flipallcorners(cube_t c)
3{
4 cube_t co, shleft, shright, summed, newco, cleanco, ret;
5
6 co = _mm256_and_si256(c, _co2_avx2);
7 shleft = _mm256_slli_epi32(co, 1);
8 shright = _mm256_srli_epi32(co, 1);
9 summed = _mm256_or_si256(shleft, shright);
10 newco = _mm256_and_si256(summed, _co2_avx2);
11 cleanco = _mm256_xor_si256(c, co);
12 ret = _mm256_or_si256(cleanco, newco);
13
14 return ret;
15}
16
17static inline cube_t
18inline_trans_UFr(cube_t c)
19{
20 cube_t ret;
21
22 cube_t tn = _mm256_set_epi8(
23 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
24 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 5, 4, 3, 2, 1, 0
25 );
26 cube_t ti = _mm256_set_epi8(
27 0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
28 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 5, 4, 3, 2, 1, 0
29 );
30
31 ret = compose(tn, c);
32 ret = compose(ret, ti);
33
34 return ret;
35}
36
37static inline cube_t
38inline_trans_ULr(cube_t c)
39{
40 cube_t ret;
41
42 cube_t tn = _mm256_set_epi8(
43 0, 0, 0, 0, 24, 27, 26, 25, 3, 2, 1, 0, 6, 7, 4, 5,
44 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 0, 1, 6, 7, 5, 4
45 );
46 cube_t ti = _mm256_set_epi8(
47 0, 0, 0, 0, 26, 25, 24, 27, 2, 3, 0, 1, 7, 6, 5, 4,
48 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 1, 0, 7, 6, 4, 5
49 );
50
51 ret = compose(tn, c);
52 ret = compose(ret, ti);
53
54 return ret;
55}
56
57static inline cube_t
58inline_trans_UBr(cube_t c)
59{
60 cube_t ret;
61
62 cube_t tn = _mm256_set_epi8(
63 0, 0, 0, 0, 9, 8, 11, 10, 6, 7, 4, 5, 2, 3, 0, 1,
64 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 4, 5, 2, 3, 0, 1
65 );
66 cube_t ti = _mm256_set_epi8(
67 0, 0, 0, 0, 9, 8, 11, 10, 6, 7, 4, 5, 2, 3, 0, 1,
68 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 4, 5, 2, 3, 0, 1
69 );
70
71 ret = compose(tn, c);
72 ret = compose(ret, ti);
73
74 return ret;
75}
76
77static inline cube_t
78inline_trans_URr(cube_t c)
79{
80 cube_t ret;
81
82 cube_t tn = _mm256_set_epi8(
83 0, 0, 0, 0, 26, 25, 24, 27, 2, 3, 0, 1, 7, 6, 5, 4,
84 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 1, 0, 7, 6, 4, 5
85 );
86 cube_t ti = _mm256_set_epi8(
87 0, 0, 0, 0, 24, 27, 26, 25, 3, 2, 1, 0, 6, 7, 4, 5,
88 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 0, 1, 6, 7, 5, 4
89 );
90
91 ret = compose(tn, c);
92 ret = compose(ret, ti);
93
94 return ret;
95}
96
97static inline cube_t
98inline_trans_DFr(cube_t c)
99{
100 cube_t ret;
101
102 cube_t tn = _mm256_set_epi8(
103 0, 0, 0, 0, 10, 11, 8, 9, 5, 4, 7, 6, 0, 1, 2, 3,
104 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 7, 6, 1, 0, 3, 2
105 );
106 cube_t ti = _mm256_set_epi8(
107 0, 0, 0, 0, 10, 11, 8, 9, 5, 4, 7, 6, 0, 1, 2, 3,
108 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 7, 6, 1, 0, 3, 2
109 );
110
111 ret = compose(tn, c);
112 ret = compose(ret, ti);
113
114 return ret;
115}
116
117static inline cube_t
118inline_trans_DLr(cube_t c)
119{
120 cube_t ret;
121
122 cube_t tn = _mm256_set_epi8(
123 0, 0, 0, 0, 27, 24, 25, 26, 1, 0, 3, 2, 5, 4, 7, 6,
124 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 2, 5, 4, 6, 7
125 );
126 cube_t ti = _mm256_set_epi8(
127 0, 0, 0, 0, 27, 24, 25, 26, 1, 0, 3, 2, 5, 4, 7, 6,
128 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 2, 5, 4, 6, 7
129 );
130
131 ret = compose(tn, c);
132 ret = compose(ret, ti);
133
134 return ret;
135}
136
137static inline cube_t
138inline_trans_DBr(cube_t c)
139{
140 cube_t ret;
141
142 cube_t tn = _mm256_set_epi8(
143 0, 0, 0, 0, 8, 9, 10, 11, 4, 5, 6, 7, 1, 0, 3, 2,
144 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 6, 7, 0, 1, 2, 3
145 );
146 cube_t ti = _mm256_set_epi8(
147 0, 0, 0, 0, 8, 9, 10, 11, 4, 5, 6, 7, 1, 0, 3, 2,
148 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 6, 7, 0, 1, 2, 3
149 );
150
151 ret = compose(tn, c);
152 ret = compose(ret, ti);
153
154 return ret;
155}
156
157static inline cube_t
158inline_trans_DRr(cube_t c)
159{
160 cube_t ret;
161
162 cube_t tn = _mm256_set_epi8(
163 0, 0, 0, 0, 25, 26, 27, 24, 0, 1, 2, 3, 4, 5, 6, 7,
164 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 3, 4, 5, 7, 6
165 );
166 cube_t ti = _mm256_set_epi8(
167 0, 0, 0, 0, 25, 26, 27, 24, 0, 1, 2, 3, 4, 5, 6, 7,
168 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 3, 4, 5, 7, 6
169 );
170
171 ret = compose(tn, c);
172 ret = compose(ret, ti);
173
174 return ret;
175}
176
177static inline cube_t
178inline_trans_RUr(cube_t c)
179{
180 cube_t ret;
181
182 cube_t tn = _mm256_set_epi8(
183 0, 0, 0, 0, 3, 2, 1, 0, 25, 26, 27, 24, 21, 22, 23, 20,
184 0, 0, 0, 0, 0, 0, 0, 0, 39, 36, 38, 37, 66, 65, 67, 64
185 );
186 cube_t ti = _mm256_set_epi8(
187 0, 0, 0, 0, 21, 22, 23, 20, 17, 18, 19, 16, 11, 10, 9, 8,
188 0, 0, 0, 0, 0, 0, 0, 0, 71, 69, 68, 70, 33, 35, 34, 32
189 );
190
191 ret = compose(tn, c);
192 ret = compose(ret, ti);
193
194 return ret;
195}
196
197static inline cube_t
198inline_trans_RFr(cube_t c)
199{
200 cube_t ret;
201
202 cube_t tn = _mm256_set_epi8(
203 0, 0, 0, 0, 18, 17, 16, 19, 22, 21, 20, 23, 25, 26, 27, 24,
204 0, 0, 0, 0, 0, 0, 0, 0, 65, 66, 67, 64, 39, 36, 37, 38
205 );
206 cube_t ti = _mm256_set_epi8(
207 0, 0, 0, 0, 17, 18, 19, 16, 20, 23, 22, 21, 24, 27, 26, 25,
208 0, 0, 0, 0, 0, 0, 0, 0, 67, 64, 65, 66, 37, 38, 39, 36
209 );
210
211 ret = compose(tn, c);
212 ret = compose(ret, ti);
213
214 return ret;
215}
216
217static inline cube_t
218inline_trans_RDr(cube_t c)
219{
220 cube_t ret;
221
222 cube_t tn = _mm256_set_epi8(
223 0, 0, 0, 0, 1, 0, 3, 2, 26, 25, 24, 27, 22, 21, 20, 23,
224 0, 0, 0, 0, 0, 0, 0, 0, 36, 39, 37, 38, 65, 66, 64, 67
225 );
226 cube_t ti = _mm256_set_epi8(
227 0, 0, 0, 0, 20, 23, 22, 21, 16, 19, 18, 17, 9, 8, 11, 10,
228 0, 0, 0, 0, 0, 0, 0, 0, 70, 68, 69, 71, 32, 34, 35, 33
229 );
230
231 ret = compose(tn, c);
232 ret = compose(ret, ti);
233
234 return ret;
235}
236
237static inline cube_t
238inline_trans_RBr(cube_t c)
239{
240 cube_t ret;
241
242 cube_t tn = _mm256_set_epi8(
243 0, 0, 0, 0, 16, 19, 18, 17, 21, 22, 23, 20, 26, 25, 24, 27,
244 0, 0, 0, 0, 0, 0, 0, 0, 66, 65, 64, 67, 36, 39, 38, 37
245 );
246 cube_t ti = _mm256_set_epi8(
247 0, 0, 0, 0, 16, 19, 18, 17, 21, 22, 23, 20, 26, 25, 24, 27,
248 0, 0, 0, 0, 0, 0, 0, 0, 66, 65, 64, 67, 36, 39, 38, 37
249 );
250
251 ret = compose(tn, c);
252 ret = compose(ret, ti);
253
254 return ret;
255}
256
257static inline cube_t
258inline_trans_LUr(cube_t c)
259{
260 cube_t ret;
261
262 cube_t tn = _mm256_set_epi8(
263 0, 0, 0, 0, 2, 3, 0, 1, 27, 24, 25, 26, 20, 23, 22, 21,
264 0, 0, 0, 0, 0, 0, 0, 0, 38, 37, 39, 36, 67, 64, 66, 65
265 );
266 cube_t ti = _mm256_set_epi8(
267 0, 0, 0, 0, 23, 20, 21, 22, 18, 17, 16, 19, 10, 11, 8, 9,
268 0, 0, 0, 0, 0, 0, 0, 0, 69, 71, 70, 68, 35, 33, 32, 34
269 );
270
271 ret = compose(tn, c);
272 ret = compose(ret, ti);
273
274 return ret;
275}
276
277static inline cube_t
278inline_trans_LFr(cube_t c)
279{
280 cube_t ret;
281
282 cube_t tn = _mm256_set_epi8(
283 0, 0, 0, 0, 17, 18, 19, 16, 20, 23, 22, 21, 24, 27, 26, 25,
284 0, 0, 0, 0, 0, 0, 0, 0, 67, 64, 65, 66, 37, 38, 39, 36
285 );
286 cube_t ti = _mm256_set_epi8(
287 0, 0, 0, 0, 18, 17, 16, 19, 22, 21, 20, 23, 25, 26, 27, 24,
288 0, 0, 0, 0, 0, 0, 0, 0, 65, 66, 67, 64, 39, 36, 37, 38
289 );
290
291 ret = compose(tn, c);
292 ret = compose(ret, ti);
293
294 return ret;
295}
296
297static inline cube_t
298inline_trans_LDr(cube_t c)
299{
300 cube_t ret;
301
302 cube_t tn = _mm256_set_epi8(
303 0, 0, 0, 0, 0, 1, 2, 3, 24, 27, 26, 25, 23, 20, 21, 22,
304 0, 0, 0, 0, 0, 0, 0, 0, 37, 38, 36, 39, 64, 67, 65, 66
305 );
306 cube_t ti = _mm256_set_epi8(
307 0, 0, 0, 0, 22, 21, 20, 23, 19, 16, 17, 18, 8, 9, 10, 11,
308 0, 0, 0, 0, 0, 0, 0, 0, 68, 70, 71, 69, 34, 32, 33, 35
309 );
310
311 ret = compose(tn, c);
312 ret = compose(ret, ti);
313
314 return ret;
315}
316
317static inline cube_t
318inline_trans_LBr(cube_t c)
319{
320 cube_t ret;
321
322 cube_t tn = _mm256_set_epi8(
323 0, 0, 0, 0, 19, 16, 17, 18, 23, 20, 21, 22, 27, 24, 25, 26,
324 0, 0, 0, 0, 0, 0, 0, 0, 64, 67, 66, 65, 38, 37, 36, 39
325 );
326 cube_t ti = _mm256_set_epi8(
327 0, 0, 0, 0, 19, 16, 17, 18, 23, 20, 21, 22, 27, 24, 25, 26,
328 0, 0, 0, 0, 0, 0, 0, 0, 64, 67, 66, 65, 38, 37, 36, 39
329 );
330
331 ret = compose(tn, c);
332 ret = compose(ret, ti);
333
334 return ret;
335}
336
337static inline cube_t
338inline_trans_FUr(cube_t c)
339{
340 cube_t ret;
341
342 cube_t tn = _mm256_set_epi8(
343 0, 0, 0, 0, 6, 7, 4, 5, 10, 11, 8, 9, 17, 18, 19, 16,
344 0, 0, 0, 0, 0, 0, 0, 0, 35, 33, 34, 32, 71, 69, 70, 68
345 );
346 cube_t ti = _mm256_set_epi8(
347 0, 0, 0, 0, 6, 7, 4, 5, 10, 11, 8, 9, 17, 18, 19, 16,
348 0, 0, 0, 0, 0, 0, 0, 0, 35, 33, 34, 32, 71, 69, 70, 68
349 );
350
351 ret = compose(tn, c);
352 ret = compose(ret, ti);
353
354 return ret;
355}
356
357static inline cube_t
358inline_trans_FRr(cube_t c)
359{
360 cube_t ret;
361
362 cube_t tn = _mm256_set_epi8(
363 0, 0, 0, 0, 21, 22, 23, 20, 17, 18, 19, 16, 11, 10, 9, 8,
364 0, 0, 0, 0, 0, 0, 0, 0, 71, 69, 68, 70, 33, 35, 34, 32
365 );
366 cube_t ti = _mm256_set_epi8(
367 0, 0, 0, 0, 3, 2, 1, 0, 25, 26, 27, 24, 21, 22, 23, 20,
368 0, 0, 0, 0, 0, 0, 0, 0, 39, 36, 38, 37, 66, 65, 67, 64
369 );
370
371 ret = compose(tn, c);
372 ret = compose(ret, ti);
373
374 return ret;
375}
376
377static inline cube_t
378inline_trans_FDr(cube_t c)
379{
380 cube_t ret;
381
382 cube_t tn = _mm256_set_epi8(
383 0, 0, 0, 0, 4, 5, 6, 7, 11, 10, 9, 8, 18, 17, 16, 19,
384 0, 0, 0, 0, 0, 0, 0, 0, 33, 35, 32, 34, 69, 71, 68, 70
385 );
386 cube_t ti = _mm256_set_epi8(
387 0, 0, 0, 0, 7, 6, 5, 4, 8, 9, 10, 11, 16, 19, 18, 17,
388 0, 0, 0, 0, 0, 0, 0, 0, 34, 32, 35, 33, 70, 68, 71, 69
389 );
390
391 ret = compose(tn, c);
392 ret = compose(ret, ti);
393
394 return ret;
395}
396
397static inline cube_t
398inline_trans_FLr(cube_t c)
399{
400 cube_t ret;
401
402 cube_t tn = _mm256_set_epi8(
403 0, 0, 0, 0, 23, 20, 21, 22, 18, 17, 16, 19, 10, 11, 8, 9,
404 0, 0, 0, 0, 0, 0, 0, 0, 69, 71, 70, 68, 35, 33, 32, 34
405 );
406 cube_t ti = _mm256_set_epi8(
407 0, 0, 0, 0, 2, 3, 0, 1, 27, 24, 25, 26, 20, 23, 22, 21,
408 0, 0, 0, 0, 0, 0, 0, 0, 38, 37, 39, 36, 67, 64, 66, 65
409 );
410
411 ret = compose(tn, c);
412 ret = compose(ret, ti);
413
414 return ret;
415}
416
417static inline cube_t
418inline_trans_BUr(cube_t c)
419{
420 cube_t ret;
421
422 cube_t tn = _mm256_set_epi8(
423 0, 0, 0, 0, 7, 6, 5, 4, 8, 9, 10, 11, 16, 19, 18, 17,
424 0, 0, 0, 0, 0, 0, 0, 0, 34, 32, 35, 33, 70, 68, 71, 69
425 );
426 cube_t ti = _mm256_set_epi8(
427 0, 0, 0, 0, 4, 5, 6, 7, 11, 10, 9, 8, 18, 17, 16, 19,
428 0, 0, 0, 0, 0, 0, 0, 0, 33, 35, 32, 34, 69, 71, 68, 70
429 );
430
431 ret = compose(tn, c);
432 ret = compose(ret, ti);
433
434 return ret;
435}
436
437static inline cube_t
438inline_trans_BRr(cube_t c)
439{
440 cube_t ret;
441
442 cube_t tn = _mm256_set_epi8(
443 0, 0, 0, 0, 22, 21, 20, 23, 19, 16, 17, 18, 8, 9, 10, 11,
444 0, 0, 0, 0, 0, 0, 0, 0, 68, 70, 71, 69, 34, 32, 33, 35
445 );
446 cube_t ti = _mm256_set_epi8(
447 0, 0, 0, 0, 0, 1, 2, 3, 24, 27, 26, 25, 23, 20, 21, 22,
448 0, 0, 0, 0, 0, 0, 0, 0, 37, 38, 36, 39, 64, 67, 65, 66
449 );
450
451 ret = compose(tn, c);
452 ret = compose(ret, ti);
453
454 return ret;
455}
456
457static inline cube_t
458inline_trans_BDr(cube_t c)
459{
460 cube_t ret;
461
462 cube_t tn = _mm256_set_epi8(
463 0, 0, 0, 0, 5, 4, 7, 6, 9, 8, 11, 10, 19, 16, 17, 18,
464 0, 0, 0, 0, 0, 0, 0, 0, 32, 34, 33, 35, 68, 70, 69, 71
465 );
466 cube_t ti = _mm256_set_epi8(
467 0, 0, 0, 0, 5, 4, 7, 6, 9, 8, 11, 10, 19, 16, 17, 18,
468 0, 0, 0, 0, 0, 0, 0, 0, 32, 34, 33, 35, 68, 70, 69, 71
469 );
470
471 ret = compose(tn, c);
472 ret = compose(ret, ti);
473
474 return ret;
475}
476
477static inline cube_t
478inline_trans_BLr(cube_t c)
479{
480 cube_t ret;
481
482 cube_t tn = _mm256_set_epi8(
483 0, 0, 0, 0, 20, 23, 22, 21, 16, 19, 18, 17, 9, 8, 11, 10,
484 0, 0, 0, 0, 0, 0, 0, 0, 70, 68, 69, 71, 32, 34, 35, 33
485 );
486 cube_t ti = _mm256_set_epi8(
487 0, 0, 0, 0, 1, 0, 3, 2, 26, 25, 24, 27, 22, 21, 20, 23,
488 0, 0, 0, 0, 0, 0, 0, 0, 36, 39, 37, 38, 65, 66, 64, 67
489 );
490
491 ret = compose(tn, c);
492 ret = compose(ret, ti);
493
494 return ret;
495}
496
497static inline cube_t
498inline_trans_UFm(cube_t c)
499{
500 cube_t ret;
501
502 cube_t tn = _mm256_set_epi8(
503 0, 0, 0, 0, 10, 11, 8, 9, 6, 7, 4, 5, 3, 2, 1, 0,
504 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 1, 0, 7, 6, 5, 4
505 );
506 cube_t ti = _mm256_set_epi8(
507 0, 0, 0, 0, 10, 11, 8, 9, 6, 7, 4, 5, 3, 2, 1, 0,
508 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 1, 0, 7, 6, 5, 4
509 );
510
511 ret = compose(tn, c);
512 ret = compose(ret, ti);
513 ret = flipallcorners(ret);
514
515 return ret;
516}
517
518static inline cube_t
519inline_trans_ULm(cube_t c)
520{
521 cube_t ret;
522
523 cube_t tn = _mm256_set_epi8(
524 0, 0, 0, 0, 25, 26, 27, 24, 3, 2, 1, 0, 7, 6, 5, 4,
525 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 4, 5, 2, 3, 1, 0
526 );
527 cube_t ti = _mm256_set_epi8(
528 0, 0, 0, 0, 25, 26, 27, 24, 3, 2, 1, 0, 7, 6, 5, 4,
529 0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 4, 5, 2, 3, 1, 0
530 );
531
532 ret = compose(tn, c);
533 ret = compose(ret, ti);
534 ret = flipallcorners(ret);
535
536 return ret;
537}
538
539static inline cube_t
540inline_trans_UBm(cube_t c)
541{
542 cube_t ret;
543
544 cube_t tn = _mm256_set_epi8(
545 0, 0, 0, 0, 8, 9, 10, 11, 7, 6, 5, 4, 2, 3, 0, 1,
546 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 1, 6, 7, 4, 5
547 );
548 cube_t ti = _mm256_set_epi8(
549 0, 0, 0, 0, 8, 9, 10, 11, 7, 6, 5, 4, 2, 3, 0, 1,
550 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 1, 6, 7, 4, 5
551 );
552
553 ret = compose(tn, c);
554 ret = compose(ret, ti);
555 ret = flipallcorners(ret);
556
557 return ret;
558}
559
560static inline cube_t
561inline_trans_URm(cube_t c)
562{
563 cube_t ret;
564
565 cube_t tn = _mm256_set_epi8(
566 0, 0, 0, 0, 27, 24, 25, 26, 2, 3, 0, 1, 6, 7, 4, 5,
567 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 5, 4, 3, 2, 0, 1
568 );
569 cube_t ti = _mm256_set_epi8(
570 0, 0, 0, 0, 27, 24, 25, 26, 2, 3, 0, 1, 6, 7, 4, 5,
571 0, 0, 0, 0, 0, 0, 0, 0, 6, 7, 5, 4, 3, 2, 0, 1
572 );
573
574 ret = compose(tn, c);
575 ret = compose(ret, ti);
576 ret = flipallcorners(ret);
577
578 return ret;
579}
580
581static inline cube_t
582inline_trans_DFm(cube_t c)
583{
584 cube_t ret;
585
586 cube_t tn = _mm256_set_epi8(
587 0, 0, 0, 0, 11, 10, 9, 8, 4, 5, 6, 7, 0, 1, 2, 3,
588 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 2, 5, 4, 7, 6
589 );
590 cube_t ti = _mm256_set_epi8(
591 0, 0, 0, 0, 11, 10, 9, 8, 4, 5, 6, 7, 0, 1, 2, 3,
592 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 2, 5, 4, 7, 6
593 );
594
595 ret = compose(tn, c);
596 ret = compose(ret, ti);
597 ret = flipallcorners(ret);
598
599 return ret;
600}
601
602static inline cube_t
603inline_trans_DLm(cube_t c)
604{
605 cube_t ret;
606
607 cube_t tn = _mm256_set_epi8(
608 0, 0, 0, 0, 26, 25, 24, 27, 1, 0, 3, 2, 4, 5, 6, 7,
609 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 7, 6, 1, 0, 2, 3
610 );
611 cube_t ti = _mm256_set_epi8(
612 0, 0, 0, 0, 24, 27, 26, 25, 0, 1, 2, 3, 5, 4, 7, 6,
613 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 6, 7, 0, 1, 3, 2
614 );
615
616 ret = compose(tn, c);
617 ret = compose(ret, ti);
618 ret = flipallcorners(ret);
619
620 return ret;
621}
622
623static inline cube_t
624inline_trans_DBm(cube_t c)
625{
626 cube_t ret;
627
628 cube_t tn = _mm256_set_epi8(
629 0, 0, 0, 0, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2,
630 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7
631 );
632 cube_t ti = _mm256_set_epi8(
633 0, 0, 0, 0, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2,
634 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7
635 );
636
637 ret = compose(tn, c);
638 ret = compose(ret, ti);
639 ret = flipallcorners(ret);
640
641 return ret;
642}
643
644static inline cube_t
645inline_trans_DRm(cube_t c)
646{
647 cube_t ret;
648
649 cube_t tn = _mm256_set_epi8(
650 0, 0, 0, 0, 24, 27, 26, 25, 0, 1, 2, 3, 5, 4, 7, 6,
651 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 6, 7, 0, 1, 3, 2
652 );
653 cube_t ti = _mm256_set_epi8(
654 0, 0, 0, 0, 26, 25, 24, 27, 1, 0, 3, 2, 4, 5, 6, 7,
655 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 7, 6, 1, 0, 2, 3
656 );
657
658 ret = compose(tn, c);
659 ret = compose(ret, ti);
660 ret = flipallcorners(ret);
661
662 return ret;
663}
664
665static inline cube_t
666inline_trans_RUm(cube_t c)
667{
668 cube_t ret;
669
670 cube_t tn = _mm256_set_epi8(
671 0, 0, 0, 0, 3, 2, 1, 0, 24, 27, 26, 25, 20, 23, 22, 21,
672 0, 0, 0, 0, 0, 0, 0, 0, 35, 32, 34, 33, 70, 69, 71, 68
673 );
674 cube_t ti = _mm256_set_epi8(
675 0, 0, 0, 0, 22, 21, 20, 23, 18, 17, 16, 19, 11, 10, 9, 8,
676 0, 0, 0, 0, 0, 0, 0, 0, 33, 35, 34, 32, 71, 69, 68, 70
677 );
678
679 ret = compose(tn, c);
680 ret = compose(ret, ti);
681 ret = flipallcorners(ret);
682
683 return ret;
684}
685
686static inline cube_t
687inline_trans_RFm(cube_t c)
688{
689 cube_t ret;
690
691 cube_t tn = _mm256_set_epi8(
692 0, 0, 0, 0, 18, 17, 16, 19, 23, 20, 21, 22, 24, 27, 26, 25,
693 0, 0, 0, 0, 0, 0, 0, 0, 69, 70, 71, 68, 35, 32, 33, 34
694 );
695 cube_t ti = _mm256_set_epi8(
696 0, 0, 0, 0, 18, 17, 16, 19, 23, 20, 21, 22, 24, 27, 26, 25,
697 0, 0, 0, 0, 0, 0, 0, 0, 37, 38, 39, 36, 67, 64, 65, 66
698 );
699
700 ret = compose(tn, c);
701 ret = compose(ret, ti);
702 ret = flipallcorners(ret);
703
704 return ret;
705}
706
707static inline cube_t
708inline_trans_RDm(cube_t c)
709{
710 cube_t ret;
711
712 cube_t tn = _mm256_set_epi8(
713 0, 0, 0, 0, 1, 0, 3, 2, 27, 24, 25, 26, 23, 20, 21, 22,
714 0, 0, 0, 0, 0, 0, 0, 0, 32, 35, 33, 34, 69, 70, 68, 71
715 );
716 cube_t ti = _mm256_set_epi8(
717 0, 0, 0, 0, 23, 20, 21, 22, 19, 16, 17, 18, 9, 8, 11, 10,
718 0, 0, 0, 0, 0, 0, 0, 0, 32, 34, 35, 33, 70, 68, 69, 71
719 );
720
721 ret = compose(tn, c);
722 ret = compose(ret, ti);
723 ret = flipallcorners(ret);
724
725 return ret;
726}
727
728static inline cube_t
729inline_trans_RBm(cube_t c)
730{
731 cube_t ret;
732
733 cube_t tn = _mm256_set_epi8(
734 0, 0, 0, 0, 16, 19, 18, 17, 20, 23, 22, 21, 27, 24, 25, 26,
735 0, 0, 0, 0, 0, 0, 0, 0, 70, 69, 68, 71, 32, 35, 34, 33
736 );
737 cube_t ti = _mm256_set_epi8(
738 0, 0, 0, 0, 19, 16, 17, 18, 22, 21, 20, 23, 26, 25, 24, 27,
739 0, 0, 0, 0, 0, 0, 0, 0, 36, 39, 38, 37, 66, 65, 64, 67
740 );
741
742 ret = compose(tn, c);
743 ret = compose(ret, ti);
744 ret = flipallcorners(ret);
745
746 return ret;
747}
748
749static inline cube_t
750inline_trans_LUm(cube_t c)
751{
752 cube_t ret;
753
754 cube_t tn = _mm256_set_epi8(
755 0, 0, 0, 0, 2, 3, 0, 1, 26, 25, 24, 27, 21, 22, 23, 20,
756 0, 0, 0, 0, 0, 0, 0, 0, 34, 33, 35, 32, 71, 68, 70, 69
757 );
758 cube_t ti = _mm256_set_epi8(
759 0, 0, 0, 0, 20, 23, 22, 21, 17, 18, 19, 16, 10, 11, 8, 9,
760 0, 0, 0, 0, 0, 0, 0, 0, 35, 33, 32, 34, 69, 71, 70, 68
761 );
762
763 ret = compose(tn, c);
764 ret = compose(ret, ti);
765 ret = flipallcorners(ret);
766
767 return ret;
768}
769
770static inline cube_t
771inline_trans_LFm(cube_t c)
772{
773 cube_t ret;
774
775 cube_t tn = _mm256_set_epi8(
776 0, 0, 0, 0, 17, 18, 19, 16, 21, 22, 23, 20, 25, 26, 27, 24,
777 0, 0, 0, 0, 0, 0, 0, 0, 71, 68, 69, 70, 33, 34, 35, 32
778 );
779 cube_t ti = _mm256_set_epi8(
780 0, 0, 0, 0, 17, 18, 19, 16, 21, 22, 23, 20, 25, 26, 27, 24,
781 0, 0, 0, 0, 0, 0, 0, 0, 39, 36, 37, 38, 65, 66, 67, 64
782 );
783
784 ret = compose(tn, c);
785 ret = compose(ret, ti);
786 ret = flipallcorners(ret);
787
788 return ret;
789}
790
791static inline cube_t
792inline_trans_LDm(cube_t c)
793{
794 cube_t ret;
795
796 cube_t tn = _mm256_set_epi8(
797 0, 0, 0, 0, 0, 1, 2, 3, 25, 26, 27, 24, 22, 21, 20, 23,
798 0, 0, 0, 0, 0, 0, 0, 0, 33, 34, 32, 35, 68, 71, 69, 70
799 );
800 cube_t ti = _mm256_set_epi8(
801 0, 0, 0, 0, 21, 22, 23, 20, 16, 19, 18, 17, 8, 9, 10, 11,
802 0, 0, 0, 0, 0, 0, 0, 0, 34, 32, 33, 35, 68, 70, 71, 69
803 );
804
805 ret = compose(tn, c);
806 ret = compose(ret, ti);
807 ret = flipallcorners(ret);
808
809 return ret;
810}
811
812static inline cube_t
813inline_trans_LBm(cube_t c)
814{
815 cube_t ret;
816
817 cube_t tn = _mm256_set_epi8(
818 0, 0, 0, 0, 19, 16, 17, 18, 22, 21, 20, 23, 26, 25, 24, 27,
819 0, 0, 0, 0, 0, 0, 0, 0, 68, 71, 70, 69, 34, 33, 32, 35
820 );
821 cube_t ti = _mm256_set_epi8(
822 0, 0, 0, 0, 16, 19, 18, 17, 20, 23, 22, 21, 27, 24, 25, 26,
823 0, 0, 0, 0, 0, 0, 0, 0, 38, 37, 36, 39, 64, 67, 66, 65
824 );
825
826 ret = compose(tn, c);
827 ret = compose(ret, ti);
828 ret = flipallcorners(ret);
829
830 return ret;
831}
832
833static inline cube_t
834inline_trans_FUm(cube_t c)
835{
836 cube_t ret;
837
838 cube_t tn = _mm256_set_epi8(
839 0, 0, 0, 0, 7, 6, 5, 4, 11, 10, 9, 8, 17, 18, 19, 16,
840 0, 0, 0, 0, 0, 0, 0, 0, 39, 37, 38, 36, 67, 65, 66, 64
841 );
842 cube_t ti = _mm256_set_epi8(
843 0, 0, 0, 0, 7, 6, 5, 4, 11, 10, 9, 8, 17, 18, 19, 16,
844 0, 0, 0, 0, 0, 0, 0, 0, 71, 69, 70, 68, 35, 33, 34, 32
845 );
846
847 ret = compose(tn, c);
848 ret = compose(ret, ti);
849 ret = flipallcorners(ret);
850
851 return ret;
852}
853
854static inline cube_t
855inline_trans_FRm(cube_t c)
856{
857 cube_t ret;
858
859 cube_t tn = _mm256_set_epi8(
860 0, 0, 0, 0, 20, 23, 22, 21, 17, 18, 19, 16, 10, 11, 8, 9,
861 0, 0, 0, 0, 0, 0, 0, 0, 67, 65, 64, 66, 37, 39, 38, 36
862 );
863 cube_t ti = _mm256_set_epi8(
864 0, 0, 0, 0, 2, 3, 0, 1, 26, 25, 24, 27, 21, 22, 23, 20,
865 0, 0, 0, 0, 0, 0, 0, 0, 66, 65, 67, 64, 39, 36, 38, 37
866 );
867
868 ret = compose(tn, c);
869 ret = compose(ret, ti);
870 ret = flipallcorners(ret);
871
872 return ret;
873}
874
875static inline cube_t
876inline_trans_FDm(cube_t c)
877{
878 cube_t ret;
879
880 cube_t tn = _mm256_set_epi8(
881 0, 0, 0, 0, 5, 4, 7, 6, 10, 11, 8, 9, 18, 17, 16, 19,
882 0, 0, 0, 0, 0, 0, 0, 0, 37, 39, 36, 38, 65, 67, 64, 66
883 );
884 cube_t ti = _mm256_set_epi8(
885 0, 0, 0, 0, 6, 7, 4, 5, 9, 8, 11, 10, 16, 19, 18, 17,
886 0, 0, 0, 0, 0, 0, 0, 0, 70, 68, 71, 69, 34, 32, 35, 33
887 );
888
889 ret = compose(tn, c);
890 ret = compose(ret, ti);
891 ret = flipallcorners(ret);
892
893 return ret;
894}
895
896static inline cube_t
897inline_trans_FLm(cube_t c)
898{
899 cube_t ret;
900
901 cube_t tn = _mm256_set_epi8(
902 0, 0, 0, 0, 22, 21, 20, 23, 18, 17, 16, 19, 11, 10, 9, 8,
903 0, 0, 0, 0, 0, 0, 0, 0, 65, 67, 66, 64, 39, 37, 36, 38
904 );
905 cube_t ti = _mm256_set_epi8(
906 0, 0, 0, 0, 3, 2, 1, 0, 24, 27, 26, 25, 20, 23, 22, 21,
907 0, 0, 0, 0, 0, 0, 0, 0, 67, 64, 66, 65, 38, 37, 39, 36
908 );
909
910 ret = compose(tn, c);
911 ret = compose(ret, ti);
912 ret = flipallcorners(ret);
913
914 return ret;
915}
916
917static inline cube_t
918inline_trans_BUm(cube_t c)
919{
920 cube_t ret;
921
922 cube_t tn = _mm256_set_epi8(
923 0, 0, 0, 0, 6, 7, 4, 5, 9, 8, 11, 10, 16, 19, 18, 17,
924 0, 0, 0, 0, 0, 0, 0, 0, 38, 36, 39, 37, 66, 64, 67, 65
925 );
926 cube_t ti = _mm256_set_epi8(
927 0, 0, 0, 0, 5, 4, 7, 6, 10, 11, 8, 9, 18, 17, 16, 19,
928 0, 0, 0, 0, 0, 0, 0, 0, 69, 71, 68, 70, 33, 35, 32, 34
929 );
930
931 ret = compose(tn, c);
932 ret = compose(ret, ti);
933 ret = flipallcorners(ret);
934
935 return ret;
936}
937
938static inline cube_t
939inline_trans_BRm(cube_t c)
940{
941 cube_t ret;
942
943 cube_t tn = _mm256_set_epi8(
944 0, 0, 0, 0, 23, 20, 21, 22, 19, 16, 17, 18, 9, 8, 11, 10,
945 0, 0, 0, 0, 0, 0, 0, 0, 64, 66, 67, 65, 38, 36, 37, 39
946 );
947 cube_t ti = _mm256_set_epi8(
948 0, 0, 0, 0, 1, 0, 3, 2, 27, 24, 25, 26, 23, 20, 21, 22,
949 0, 0, 0, 0, 0, 0, 0, 0, 64, 67, 65, 66, 37, 38, 36, 39
950 );
951
952 ret = compose(tn, c);
953 ret = compose(ret, ti);
954 ret = flipallcorners(ret);
955
956 return ret;
957}
958
959static inline cube_t
960inline_trans_BDm(cube_t c)
961{
962 cube_t ret;
963
964 cube_t tn = _mm256_set_epi8(
965 0, 0, 0, 0, 4, 5, 6, 7, 8, 9, 10, 11, 19, 16, 17, 18,
966 0, 0, 0, 0, 0, 0, 0, 0, 36, 38, 37, 39, 64, 66, 65, 67
967 );
968 cube_t ti = _mm256_set_epi8(
969 0, 0, 0, 0, 4, 5, 6, 7, 8, 9, 10, 11, 19, 16, 17, 18,
970 0, 0, 0, 0, 0, 0, 0, 0, 68, 70, 69, 71, 32, 34, 33, 35
971 );
972
973 ret = compose(tn, c);
974 ret = compose(ret, ti);
975 ret = flipallcorners(ret);
976
977 return ret;
978}
979
980static inline cube_t
981inline_trans_BLm(cube_t c)
982{
983 cube_t ret;
984
985 cube_t tn = _mm256_set_epi8(
986 0, 0, 0, 0, 21, 22, 23, 20, 16, 19, 18, 17, 8, 9, 10, 11,
987 0, 0, 0, 0, 0, 0, 0, 0, 66, 64, 65, 67, 36, 38, 39, 37
988 );
989 cube_t ti = _mm256_set_epi8(
990 0, 0, 0, 0, 0, 1, 2, 3, 25, 26, 27, 24, 22, 21, 20, 23,
991 0, 0, 0, 0, 0, 0, 0, 0, 65, 66, 64, 67, 36, 39, 37, 38
992 );
993
994 ret = compose(tn, c);
995 ret = compose(ret, ti);
996 ret = flipallcorners(ret);
997
998 return ret;
999}
1000
diff --git a/src/cube.c b/src/cube.c
deleted file mode 100644
index 4f92ea7..0000000
--- a/src/cube.c
+++ /dev/null
@@ -1,1195 +0,0 @@
1#include <inttypes.h>
2#include <stdbool.h>
3#include <string.h>
4
5#ifdef DEBUG
6#include <stdio.h>
7#endif
8
9#include "cube.h"
10
11#define U 0U
12#define U2 1U
13#define U3 2U
14#define D 3U
15#define D2 4U
16#define D3 5U
17#define R 6U
18#define R2 7U
19#define R3 8U
20#define L 9U
21#define L2 10U
22#define L3 11U
23#define F 12U
24#define F2 13U
25#define F3 14U
26#define B 15U
27#define B2 16U
28#define B3 17U
29
30#define UFr 0
31#define ULr 1
32#define UBr 2
33#define URr 3
34#define DFr 4
35#define DLr 5
36#define DBr 6
37#define DRr 7
38#define RUr 8
39#define RFr 9
40#define RDr 10
41#define RBr 11
42#define LUr 12
43#define LFr 13
44#define LDr 14
45#define LBr 15
46#define FUr 16
47#define FRr 17
48#define FDr 18
49#define FLr 19
50#define BUr 20
51#define BRr 21
52#define BDr 22
53#define BLr 23
54
55#define UFm 24
56#define ULm 25
57#define UBm 26
58#define URm 27
59#define DFm 28
60#define DLm 29
61#define DBm 30
62#define DRm 31
63#define RUm 32
64#define RFm 33
65#define RDm 34
66#define RBm 35
67#define LUm 36
68#define LFm 37
69#define LDm 38
70#define LBm 39
71#define FUm 40
72#define FRm 41
73#define FDm 42
74#define FLm 43
75#define BUm 44
76#define BRm 45
77#define BDm 46
78#define BLm 47
79
80#define errormove 99U
81#define errortrans 99U
82
83#define _c_ufr 0U
84#define _c_ubl 1U
85#define _c_dfl 2U
86#define _c_dbr 3U
87#define _c_ufl 4U
88#define _c_ubr 5U
89#define _c_dfr 6U
90#define _c_dbl 7U
91
92#define _e_uf 0U
93#define _e_ub 1U
94#define _e_db 2U
95#define _e_df 3U
96#define _e_ur 4U
97#define _e_ul 5U
98#define _e_dl 6U
99#define _e_dr 7U
100#define _e_fr 8U
101#define _e_fl 9U
102#define _e_bl 10U
103#define _e_br 11U
104
105#define _eoshift 4U
106#define _coshift 5U
107
108#define _pbits 0xFU
109#define _eobit 0x10U
110#define _cobits 0xF0U
111#define _cobits2 0x60U
112#define _ctwist_cw 0x20U
113#define _ctwist_ccw 0x40U
114#define _eflip 0x10U
115#define _error 0xFFU
116
117#define get_edge(cube, i) (cube).e[(i)]
118#define get_corner(cube, i) (cube).c[(i)]
119#define set_edge(cube, i, p) (cube).e[(i)] = (p)
120#define set_corner(cube, i, p) (cube).c[(i)] = (p)
121
122cube_arr_t solvedcube_arr = {
123 .c = {0, 1, 2, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0},
124 .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 0, 0, 0}
125};
126cube_arr_t zerocube_arr = { .e = {0}, .c = {0} };
127
128#ifdef CUBE_AVX2
129
130#define _co_avx2 _mm256_set_epi8( \
131 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
132 0, 0, 0, 0, 0, 0, 0, 0, \
133 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0)
134#define _co2_avx2 _mm256_set_epi8( \
135 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
136 0, 0, 0, 0, 0, 0, 0, 0, \
137 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60)
138#define _eo_avx2 _mm256_set_epi8( \
139 0, 0, 0, 0, 0x10, 0x10, 0x10, 0x10, \
140 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, \
141 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
142#define setsolved(cube) cube = _mm256_loadu_si256((__m256i_u *)&solvedcube_arr)
143#define setzero(cube) cube = _mm256_setzero_si256()
144
145#include "_moves_avx2.c"
146#include "_trans_avx2.c"
147
148static cube_t
149arrtocube(cube_arr_t a)
150{
151 return _mm256_loadu_si256((__m256i_u *)&a);
152}
153
154static void
155cubetoarr(cube_t c, cube_arr_t *a)
156{
157 _mm256_storeu_si256((__m256i_u *)a, c);
158}
159
160#else
161
162#define setsolved(cube) cube = solvedcube_arr
163#define setzero(cube) cube = zerocube_arr
164
165static cube_t
166arrtocube(cube_arr_t a)
167{
168 return a;
169}
170
171static void
172cubetoarr(cube_t c, cube_arr_t *a)
173{
174 memcpy(a, &c, sizeof(cube_t));
175}
176
177#include "_moves_arr.c"
178#include "_trans_arr.c"
179
180#endif
181
182static char *cornerstr[] = {
183 [_c_ufr] = "UFR",
184 [_c_ubl] = "UBL",
185 [_c_dfl] = "DFL",
186 [_c_dbr] = "DBR",
187 [_c_ufl] = "UFL",
188 [_c_ubr] = "UBR",
189 [_c_dfr] = "DFR",
190 [_c_dbl] = "DBL"
191};
192
193static char *cornerstralt[] = {
194 [_c_ufr] = "URF",
195 [_c_ubl] = "ULB",
196 [_c_dfl] = "DLF",
197 [_c_dbr] = "DRB",
198 [_c_ufl] = "ULF",
199 [_c_ubr] = "URB",
200 [_c_dfr] = "DRF",
201 [_c_dbl] = "DLB"
202};
203
204static char *edgestr[] = {
205 [_e_uf] = "UF",
206 [_e_ub] = "UB",
207 [_e_db] = "DB",
208 [_e_df] = "DF",
209 [_e_ur] = "UR",
210 [_e_ul] = "UL",
211 [_e_dl] = "DL",
212 [_e_dr] = "DR",
213 [_e_fr] = "FR",
214 [_e_fl] = "FL",
215 [_e_bl] = "BL",
216 [_e_br] = "BR"
217};
218
219static char *movestr[] = {
220 [U] = "U",
221 [U2] = "U2",
222 [U3] = "U'",
223 [D] = "D",
224 [D2] = "D2",
225 [D3] = "D'",
226 [R] = "R",
227 [R2] = "R2",
228 [R3] = "R'",
229 [L] = "L",
230 [L2] = "L2",
231 [L3] = "L'",
232 [F] = "F",
233 [F2] = "F2",
234 [F3] = "F'",
235 [B] = "B",
236 [B2] = "B2",
237 [B3] = "B'",
238};
239
240static char *transstr[] = {
241 [UFr] = "rotation UF",
242 [UFm] = "mirrored UF",
243 [ULr] = "rotation UL",
244 [ULm] = "mirrored UL",
245 [UBr] = "rotation UB",
246 [UBm] = "mirrored UB",
247 [URr] = "rotation UR",
248 [URm] = "mirrored UR",
249 [DFr] = "rotation DF",
250 [DFm] = "mirrored DF",
251 [DLr] = "rotation DL",
252 [DLm] = "mirrored DL",
253 [DBr] = "rotation DB",
254 [DBm] = "mirrored DB",
255 [DRr] = "rotation DR",
256 [DRm] = "mirrored DR",
257 [RUr] = "rotation RU",
258 [RUm] = "mirrored RU",
259 [RFr] = "rotation RF",
260 [RFm] = "mirrored RF",
261 [RDr] = "rotation RD",
262 [RDm] = "mirrored RD",
263 [RBr] = "rotation RB",
264 [RBm] = "mirrored RB",
265 [LUr] = "rotation LU",
266 [LUm] = "mirrored LU",
267 [LFr] = "rotation LF",
268 [LFm] = "mirrored LF",
269 [LDr] = "rotation LD",
270 [LDm] = "mirrored LD",
271 [LBr] = "rotation LB",
272 [LBm] = "mirrored LB",
273 [FUr] = "rotation FU",
274 [FUm] = "mirrored FU",
275 [FRr] = "rotation FR",
276 [FRm] = "mirrored FR",
277 [FDr] = "rotation FD",
278 [FDm] = "mirrored FD",
279 [FLr] = "rotation FL",
280 [FLm] = "mirrored FL",
281 [BUr] = "rotation BU",
282 [BUm] = "mirrored BU",
283 [BRr] = "rotation BR",
284 [BRm] = "mirrored BR",
285 [BDr] = "rotation BD",
286 [BDm] = "mirrored BD",
287 [BLr] = "rotation BL",
288 [BLm] = "mirrored BL",
289};
290
291static inline cube_t inline_compose(cube_t, cube_t);
292static bool isconsistent(cube_t);
293static cube_t flipallcorners(cube_t);
294static uint8_t readco(char *);
295static uint8_t readcp(char *);
296static uint8_t readeo(char *);
297static uint8_t readep(char *);
298static uint8_t readmove(char);
299static uint8_t readmodifier(char);
300static cube_t readcube_H48(char *);
301static void writecube_AVX(cube_arr_t, char *);
302static void writecube_H48(cube_arr_t, char *);
303static int writepiece_SRC(uint8_t, char *);
304static void writecube_SRC(cube_arr_t, char *);
305static int permsign(uint8_t *, int);
306
307cube_t
308solvedcube(void)
309{
310 cube_t solved;
311 setsolved(solved);
312 return solved;
313}
314
315cube_t
316zerocube(void)
317{
318 cube_t solved;
319 setzero(solved);
320 return solved;
321}
322
323static uint8_t
324readco(char *str)
325{
326 if (*str == '0')
327 return 0;
328 if (*str == '1')
329 return _ctwist_cw;
330 if (*str == '2')
331 return _ctwist_ccw;
332
333#ifdef DEBUG
334 fprintf(stderr, "Error reading CO\n");
335#endif
336 return _error;
337}
338
339static uint8_t
340readcp(char *str)
341{
342 uint8_t c;
343
344 for (c = 0; c < 8; c++)
345 if (!strncmp(str, cornerstr[c], 3) ||
346 !strncmp(str, cornerstralt[c], 3))
347 return c;
348
349#ifdef DEBUG
350 fprintf(stderr, "Error reading CP\n");
351#endif
352 return _error;
353}
354
355static uint8_t
356readeo(char *str)
357{
358 if (*str == '0')
359 return 0;
360 if (*str == '1')
361 return _eflip;
362
363#ifdef DEBUG
364 fprintf(stderr, "Error reading EO\n");
365#endif
366 return _error;
367}
368
369static uint8_t
370readep(char *str)
371{
372 uint8_t e;
373
374 for (e = 0; e < 12; e++)
375 if (!strncmp(str, edgestr[e], 2))
376 return e;
377
378#ifdef DEBUG
379 fprintf(stderr, "Error reading EP\n");
380#endif
381 return _error;
382}
383
384static cube_t
385readcube_H48(char *buf)
386{
387 int i;
388 uint8_t piece, orient;
389 cube_arr_t ret = {0};
390 cube_t err;
391 char *b;
392
393 setzero(err);
394 b = buf;
395
396 for (i = 0; i < 12; i++) {
397 while (*b == ' ' || *b == '\t' || *b == '\n')
398 b++;
399 if ((piece = readep(b)) == _error)
400 return err;
401 b += 2;
402 if ((orient = readeo(b)) == _error)
403 return err;
404 b++;
405 set_edge(ret, i, piece | orient);
406 }
407 for (i = 0; i < 8; i++) {
408 while (*b == ' ' || *b == '\t' || *b == '\n')
409 b++;
410 if ((piece = readcp(b)) == _error)
411 return err;
412 b += 3;
413 if ((orient = readco(b)) == _error)
414 return err;
415 b++;
416 set_corner(ret, i, piece | orient);
417 }
418
419 return arrtocube(ret);
420}
421
422cube_t
423readcube(format_t format, char *buf)
424{
425 cube_t ret;
426
427 switch (format) {
428 case H48:
429 ret = readcube_H48(buf);
430 break;
431 default:
432#ifdef DEBUG
433 fprintf(stderr, "Cannot read cube in the given format\n");
434#endif
435 setzero(ret);
436 }
437
438#ifdef DEBUG
439 if (iserror(ret))
440 fprintf(stderr, "readcube error\n");
441#endif
442 return ret;
443}
444
445static void
446writecube_AVX(cube_arr_t cube, char *buf)
447{
448 int i, ptr;
449 uint8_t piece;
450
451 memcpy(buf, "_mm256_set_epi8(\n\t0, 0, 0, 0, ", 30);
452 ptr = 30;
453
454 for (i = 11; i >= 0; i--) {
455 piece = get_edge(cube, i);
456 ptr += writepiece_SRC(piece, buf + ptr);
457 }
458
459 memcpy(buf+ptr-2, ",\n\t0, 0, 0, 0, 0, 0, 0, 0, ", 27);
460 ptr += 25;
461
462 for (i = 7; i >= 0; i--) {
463 piece = get_corner(cube, i);
464 ptr += writepiece_SRC(piece, buf + ptr);
465 }
466
467 memcpy(buf+ptr-2, "\n)\0", 3);
468}
469
470static void
471writecube_H48(cube_arr_t cube, char *buf)
472{
473 uint8_t piece, perm, orient;
474 int i;
475
476 for (i = 0; i < 12; i++) {
477 piece = get_edge(cube, i);
478 perm = piece & _pbits;
479 orient = (piece & _eobit) >> _eoshift;
480 buf[4*i ] = edgestr[perm][0];
481 buf[4*i + 1] = edgestr[perm][1];
482 buf[4*i + 2] = orient + '0';
483 buf[4*i + 3] = ' ';
484 }
485 for (i = 0; i < 8; i++) {
486 piece = get_corner(cube, i);
487 perm = piece & _pbits;
488 orient = (piece & _cobits) >> _coshift;
489 buf[48 + 5*i ] = cornerstr[perm][0];
490 buf[48 + 5*i + 1] = cornerstr[perm][1];
491 buf[48 + 5*i + 2] = cornerstr[perm][2];
492 buf[48 + 5*i + 3] = orient + '0';
493 buf[48 + 5*i + 4] = ' ';
494 }
495
496 buf[48+39] = '\0';
497}
498
499static int
500writepiece_SRC(uint8_t piece, char *buf)
501{
502 char digits[3];
503 int i, len = 0;
504
505 while (piece != 0) {
506 digits[len++] = (piece % 10) + '0';
507 piece /= 10;
508 }
509
510 if (len == 0)
511 digits[len++] = '0';
512
513 for (i = 0; i < len; i++)
514 buf[i] = digits[len-i-1];
515
516 buf[len] = ',';
517 buf[len+1] = ' ';
518
519 return len+2;
520}
521
522static void
523writecube_SRC(cube_arr_t cube, char *buf)
524{
525 int i, ptr;
526 uint8_t piece;
527
528 memcpy(buf, "{\n\t.c = {", 9);
529 ptr = 9;
530
531 for (i = 0; i < 8; i++) {
532 piece = get_corner(cube, i);
533 ptr += writepiece_SRC(piece, buf + ptr);
534 }
535
536 memcpy(buf+ptr-2, "},\n\t.e = {", 10);
537 ptr += 8;
538
539 for (i = 0; i < 12; i++) {
540 piece = get_edge(cube, i);
541 ptr += writepiece_SRC(piece, buf + ptr);
542 }
543
544 memcpy(buf+ptr-2, "}\n}\0", 4);
545}
546
547void
548writecube(format_t format, cube_t cube, char *buf)
549{
550 cube_arr_t a;
551 char *errormsg;
552 size_t len;
553
554 if (!isconsistent(cube)) {
555 errormsg = "ERROR: cannot write inconsistent cube";
556 goto writecube_error;
557 }
558
559 cubetoarr(cube, &a);
560
561 switch (format) {
562 case AVX:
563 writecube_AVX(a, buf);
564 break;
565 case H48:
566 writecube_H48(a, buf);
567 break;
568 case SRC:
569 writecube_SRC(a, buf);
570 break;
571 default:
572 errormsg = "ERROR: cannot write cube in the given format";
573 goto writecube_error;
574 }
575
576 return;
577
578writecube_error:
579#ifdef DEBUG
580 fprintf(stderr, "writecube error, see stdout for details\n");
581#endif
582 len = strlen(errormsg);
583 memcpy(buf, errormsg, len);
584 buf[len] = '\n';
585 buf[len+1] = '\0';
586}
587
588static uint8_t
589readmove(char c)
590{
591 switch (c) {
592 case 'U':
593 return U;
594 case 'D':
595 return D;
596 case 'R':
597 return R;
598 case 'L':
599 return L;
600 case 'F':
601 return F;
602 case 'B':
603 return B;
604 default:
605 return _error;
606 }
607}
608
609static uint8_t
610readmodifier(char c)
611{
612 switch (c) {
613 case '1': /* Fallthrough */
614 case '2': /* Fallthrough */
615 case '3':
616 return c - '0' - 1;
617 case '\'':
618 return 2;
619 default:
620 return 0;
621 }
622}
623
624int
625readmoves(char *buf, move_t *m)
626{
627 int n;
628 uint64_t r;
629 char *b;
630
631 for (b = buf, n = 0; *b != '\0'; b++) {
632 while (*b == ' ' || *b == '\t' || *b == '\n')
633 b++;
634 if (*b == '\0')
635 return n;
636 if ((r = readmove(*b)) == _error)
637 goto readmoves_error;
638 m[n] = (move_t)r;
639 if ((r = readmodifier(*(b+1))) != 0) {
640 b++;
641 m[n] += r;
642 }
643 n++;
644 }
645
646 return n;
647
648readmoves_error:
649#ifdef DEBUG
650 fprintf(stderr, "readmoves error\n");
651#endif
652 return -1;
653}
654
655trans_t
656readtrans(char *buf)
657{
658 uint8_t t;
659
660 for (t = 0; t < 48; t++)
661 if (!strncmp(buf, transstr[t], 11))
662 return t;
663
664#ifdef DEBUG
665 fprintf(stderr, "readtrans error\n");
666#endif
667 return errortrans;
668}
669
670void
671writemoves(move_t *m, int n, char *buf)
672{
673 int i;
674 size_t len;
675 char *b, *s;
676
677 for (i = 0, b = buf; i < n; i++, b++) {
678 s = movestr[m[i]];
679 len = strlen(s);
680 memcpy(b, s, len);
681 b += len;
682 *b = ' ';
683 }
684 *b = '\0';
685}
686
687void
688writetrans(trans_t t, char *buf)
689{
690 if (t >= 48)
691 memcpy(buf, "error trans", 11);
692 else
693 memcpy(buf, transstr[t], 11);
694 buf[11] = '\0';
695}
696
697static int
698permsign(uint8_t *a, int n)
699{
700 int i, j;
701 uint8_t ret = 0;
702
703 for (i = 0; i < n; i++)
704 for (j = i+1; j < n; j++)
705 ret += a[i] > a[j] ? 1 : 0;
706
707 return ret % 2;
708}
709
710static bool
711isconsistent(cube_t cube)
712{
713 cube_arr_t c;
714 uint8_t i, p, e, piece;
715 bool found[12];
716
717 cubetoarr(cube, &c);
718
719 for (i = 0; i < 12; i++)
720 found[i] = false;
721 for (i = 0; i < 12; i++) {
722 piece = get_edge(c, i);
723 p = piece & _pbits;
724 e = piece & _eobit;
725 if (p >= 12)
726 goto inconsistent_ep;
727 if (e != 0 && e != _eobit)
728 goto inconsistent_eo;
729 found[p] = true;
730 }
731 for (i = 0; i < 12; i++)
732 if (!found[i])
733 goto inconsistent_ep;
734
735 for (i = 0; i < 8; i++)
736 found[i] = false;
737 for (i = 0; i < 8; i++) {
738 piece = get_corner(c, i);
739 p = piece & _pbits;
740 e = piece & _cobits;
741 if (p >= 8)
742 goto inconsistent_cp;
743 if (e != 0 && e != _ctwist_cw && e != _ctwist_ccw)
744 goto inconsistent_co;
745 found[p] = true;
746 }
747 for (i = 0; i < 8; i++)
748 if (!found[i])
749 goto inconsistent_co;
750
751 return true;
752
753inconsistent_ep:
754#ifdef DEBUG
755 fprintf(stderr, "Inconsistent EP\n");
756#endif
757 return false;
758inconsistent_cp:
759#ifdef DEBUG
760 fprintf(stderr, "Inconsistent CP\n");
761#endif
762 return false;
763inconsistent_eo:
764#ifdef DEBUG
765 fprintf(stderr, "Inconsistent EO\n");
766#endif
767 return false;
768inconsistent_co:
769#ifdef DEBUG
770 fprintf(stderr, "Inconsistent CO\n");
771#endif
772 return false;
773}
774
775bool
776issolvable(cube_t cube)
777{
778 cube_arr_t c;
779 uint8_t i, eo, co, piece, edges[12], corners[8];
780
781#ifdef DEBUG
782 if (!isconsistent(cube)) {
783 fprintf(stderr, "issolvable: cube is inconsistent\n");
784 return false;
785 }
786#endif
787
788 cubetoarr(cube, &c);
789
790 for (i = 0; i < 12; i++)
791 edges[i] = get_edge(c, i) & _pbits;
792 for (i = 0; i < 8; i++)
793 corners[i] = get_corner(c, i) & _pbits;
794
795 if (permsign(edges, 12) != permsign(corners, 8))
796 goto issolvable_parity;
797
798 eo = 0;
799 for (i = 0; i < 12; i++) {
800 piece = get_edge(c, i);
801 eo += (piece & _eobit) >> _eoshift;
802 }
803 if (eo % 2 != 0)
804 goto issolvable_eo;
805
806 co = 0;
807 for (i = 0; i < 8; i++) {
808 piece = get_corner(c, i);
809 co += (piece & _cobits) >> _coshift;
810 }
811 if (co % 3 != 0)
812 goto issolvable_co;
813
814 return true;
815
816issolvable_parity:
817#ifdef DEBUG
818 fprintf(stderr, "EP and CP parities are different\n");
819#endif
820 return false;
821issolvable_eo:
822#ifdef DEBUG
823 fprintf(stderr, "Odd number of flipped edges\n");
824#endif
825 return false;
826issolvable_co:
827#ifdef DEBUG
828 fprintf(stderr, "Sum of corner orientation is not multiple of 3\n");
829#endif
830 return false;
831}
832
833bool
834equal(cube_t cube1, cube_t cube2)
835{
836#ifdef CUBE_AVX2
837 uint32_t mask;
838 __m256i cmp;
839
840 cmp = _mm256_cmpeq_epi8(cube1, cube2);
841 mask = _mm256_movemask_epi8(cmp);
842
843 return mask == 0xffffffffU;
844#else
845 uint8_t i;
846
847 for (i = 0; i < 12; i++)
848 if (cube1.e[i] != cube2.e[i])
849 return false;
850
851 for (i = 0; i < 8; i++)
852 if (cube1.c[i] != cube2.c[i])
853 return false;
854
855 return true;
856#endif
857}
858
859bool
860issolved(cube_t cube)
861{
862 cube_t solved;
863 setsolved(solved);
864 return equal(cube, solved);
865}
866
867bool
868iserror(cube_t cube)
869{
870 cube_t err;
871 setzero(err);
872 return equal(cube, err);
873}
874
875cube_t
876move(cube_t c, move_t m)
877{
878 cube_t err;
879
880#ifdef DEBUG
881 if (!isconsistent(c)) {
882 fprintf(stderr, "move error, inconsistent cube\n");
883 goto move_error;
884 }
885#endif
886
887 switch (m) {
888 case U:
889 return inline_move_U(c);
890 case U2:
891 return inline_move_U2(c);
892 case U3:
893 return inline_move_U3(c);
894 case D:
895 return inline_move_D(c);
896 case D2:
897 return inline_move_D2(c);
898 case D3:
899 return inline_move_D3(c);
900 case R:
901 return inline_move_R(c);
902 case R2:
903 return inline_move_R2(c);
904 case R3:
905 return inline_move_R3(c);
906 case L:
907 return inline_move_L(c);
908 case L2:
909 return inline_move_L2(c);
910 case L3:
911 return inline_move_L3(c);
912 case F:
913 return inline_move_F(c);
914 case F2:
915 return inline_move_F2(c);
916 case F3:
917 return inline_move_F3(c);
918 case B:
919 return inline_move_B(c);
920 case B2:
921 return inline_move_B2(c);
922 case B3:
923 return inline_move_B3(c);
924 default:
925#ifdef DEBUG
926 fprintf(stderr, "mover error, unknown move\n");
927#endif
928 goto move_error;
929 }
930
931move_error:
932 setzero(err);
933 return err;
934}
935
936cube_t
937inverse(cube_t c)
938{
939 cube_t ret;
940
941#ifdef DEBUG
942 if (!isconsistent(c)) {
943 fprintf(stderr, "inverse error, inconsistent cube\n");
944 setzero(ret);
945 return ret;
946 }
947#endif
948
949#ifdef CUBE_AVX2
950 /* Method taken from Andrew Skalski's vcube[1]. The addition sequence
951 * was generated using [2].
952 * [1] https://github.com/Voltara/vcube
953 * [2] http://wwwhomes.uni-bielefeld.de/achim/addition_chain.html
954 */
955 cube_t v3, vi, vo, vp;
956
957 v3 = _mm256_shuffle_epi8(c, c);
958 v3 = _mm256_shuffle_epi8(v3, c);
959 vi = _mm256_shuffle_epi8(v3, v3);
960 vi = _mm256_shuffle_epi8(vi, vi);
961 vi = _mm256_shuffle_epi8(vi, vi);
962 vi = _mm256_shuffle_epi8(vi, v3);
963 vi = _mm256_shuffle_epi8(vi, vi);
964 vi = _mm256_shuffle_epi8(vi, vi);
965 vi = _mm256_shuffle_epi8(vi, vi);
966 vi = _mm256_shuffle_epi8(vi, vi);
967 vi = _mm256_shuffle_epi8(vi, c);
968 vi = _mm256_shuffle_epi8(vi, vi);
969 vi = _mm256_shuffle_epi8(vi, vi);
970 vi = _mm256_shuffle_epi8(vi, vi);
971 vi = _mm256_shuffle_epi8(vi, vi);
972 vi = _mm256_shuffle_epi8(vi, vi);
973 vi = _mm256_shuffle_epi8(vi, v3);
974 vi = _mm256_shuffle_epi8(vi, vi);
975 vi = _mm256_shuffle_epi8(vi, c);
976
977 vo = _mm256_and_si256(c, _mm256_or_si256(_eo_avx2, _co2_avx2));
978 vo = _mm256_shuffle_epi8(vo, vi);
979 vp = _mm256_andnot_si256(_mm256_or_si256(_eo_avx2, _co2_avx2), vi);
980 ret = _mm256_or_si256(vp, vo);
981
982 return flipallcorners(ret);
983#else
984 uint8_t i, piece, orien;
985
986 setzero(ret);
987
988 for (i = 0; i < 12; i++) {
989 piece = get_edge(c, i);
990 orien = piece & _eobit;
991 set_edge(ret, piece & _pbits, i | orien);
992 }
993
994 for (i = 0; i < 8; i++) {
995 piece = get_corner(c, i);
996 orien = ((piece << 1) | (piece >> 1)) & _cobits2;
997 set_corner(ret, piece & _pbits, i | orien);
998 }
999#endif
1000
1001 return ret;
1002}
1003
1004static inline cube_t
1005inline_compose(cube_t c1, cube_t c2)
1006{
1007 cube_t ret;
1008
1009#ifdef DEBUG
1010 if (!isconsistent(c1) || !isconsistent(c2)) {
1011 fprintf(stderr, "compose error, inconsistent cube\n");
1012 setzero(ret);
1013 return ret;
1014 }
1015#endif
1016
1017#ifdef CUBE_AVX2
1018 cube_t s, eo2, ed, co1, co2, aux, auy1, auy2, cw, cwccw, auz1, auz2,
1019 coclean;
1020
1021 eo2 = _mm256_and_si256(c2, _eo_avx2);
1022 s = _mm256_shuffle_epi8(c1, c2);
1023 ed = _mm256_xor_si256(s, eo2);
1024 co1 = _mm256_and_si256(s, _co2_avx2);
1025 co2 = _mm256_and_si256(c2, _co2_avx2);
1026 aux = _mm256_add_epi8(co1, co2);
1027 cw = _mm256_set_epi8(
1028 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1029 0, 0, 0, 0, 0, 0, 0, 0,
1030 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20
1031 );
1032 auy1 = _mm256_add_epi8(aux, cw);
1033 auy2 = _mm256_srli_epi32(auy1, 2);
1034 auz1 = _mm256_add_epi8(aux, auy2);
1035 cwccw = _mm256_set_epi8(
1036 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1037 0, 0, 0, 0, 0, 0, 0, 0,
1038 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60
1039 );
1040 auz2 = _mm256_and_si256(auz1, cwccw);
1041 coclean = _mm256_andnot_si256(_co2_avx2, ed);
1042 ret = _mm256_or_si256(coclean, auz2);
1043#else
1044 uint8_t i, piece1, piece2, p, orien, aux, auy;
1045
1046 setzero(ret);
1047
1048 for (i = 0; i < 12; i++) {
1049 piece2 = get_edge(c2, i);
1050 p = piece2 & _pbits;
1051 piece1 = get_edge(c1, p);
1052 orien = (piece2 ^ piece1) & _eobit;
1053 set_edge(ret, i, (piece1 & _pbits) | orien);
1054 }
1055
1056 for (i = 0; i < 8; i++) {
1057 piece2 = get_corner(c2, i);
1058 p = piece2 & _pbits;
1059 piece1 = get_corner(c1, p);
1060 aux = (piece2 & _cobits) + (piece1 & _cobits);
1061 auy = (aux + _ctwist_cw) >> 2U;
1062 orien = (aux + auy) & _cobits2;
1063 set_corner(ret, i, (piece1 & _pbits) | orien);
1064 }
1065#endif
1066
1067 return ret;
1068}
1069
1070cube_t
1071compose(cube_t c1, cube_t c2)
1072{
1073 return inline_compose(c1, c2);
1074}
1075
1076cube_t
1077transform(cube_t c, trans_t t)
1078{
1079 cube_t ret;
1080
1081#ifdef DEBUG
1082 if (!isconsistent(c)) {
1083 fprintf(stderr, "transform error, inconsistent cube\n");
1084 goto trans_error;
1085 }
1086#endif
1087
1088 switch (t) {
1089 case UFr:
1090 return inline_trans_UFr(c);
1091 case ULr:
1092 return inline_trans_ULr(c);
1093 case UBr:
1094 return inline_trans_UBr(c);
1095 case URr:
1096 return inline_trans_URr(c);
1097 case DFr:
1098 return inline_trans_DFr(c);
1099 case DLr:
1100 return inline_trans_DLr(c);
1101 case DBr:
1102 return inline_trans_DBr(c);
1103 case DRr:
1104 return inline_trans_DRr(c);
1105 case RUr:
1106 return inline_trans_RUr(c);
1107 case RFr:
1108 return inline_trans_RFr(c);
1109 case RDr:
1110 return inline_trans_RDr(c);
1111 case RBr:
1112 return inline_trans_RBr(c);
1113 case LUr:
1114 return inline_trans_LUr(c);
1115 case LFr:
1116 return inline_trans_LFr(c);
1117 case LDr:
1118 return inline_trans_LDr(c);
1119 case LBr:
1120 return inline_trans_LBr(c);
1121 case FUr:
1122 return inline_trans_FUr(c);
1123 case FRr:
1124 return inline_trans_FRr(c);
1125 case FDr:
1126 return inline_trans_FDr(c);
1127 case FLr:
1128 return inline_trans_FLr(c);
1129 case BUr:
1130 return inline_trans_BUr(c);
1131 case BRr:
1132 return inline_trans_BRr(c);
1133 case BDr:
1134 return inline_trans_BDr(c);
1135 case BLr:
1136 return inline_trans_BLr(c);
1137 case UFm:
1138 return inline_trans_UFm(c);
1139 case ULm:
1140 return inline_trans_ULm(c);
1141 case UBm:
1142 return inline_trans_UBm(c);
1143 case URm:
1144 return inline_trans_URm(c);
1145 case DFm:
1146 return inline_trans_DFm(c);
1147 case DLm:
1148 return inline_trans_DLm(c);
1149 case DBm:
1150 return inline_trans_DBm(c);
1151 case DRm:
1152 return inline_trans_DRm(c);
1153 case RUm:
1154 return inline_trans_RUm(c);
1155 case RFm:
1156 return inline_trans_RFm(c);
1157 case RDm:
1158 return inline_trans_RDm(c);
1159 case RBm:
1160 return inline_trans_RBm(c);
1161 case LUm:
1162 return inline_trans_LUm(c);
1163 case LFm:
1164 return inline_trans_LFm(c);
1165 case LDm:
1166 return inline_trans_LDm(c);
1167 case LBm:
1168 return inline_trans_LBm(c);
1169 case FUm:
1170 return inline_trans_FUm(c);
1171 case FRm:
1172 return inline_trans_FRm(c);
1173 case FDm:
1174 return inline_trans_FDm(c);
1175 case FLm:
1176 return inline_trans_FLm(c);
1177 case BUm:
1178 return inline_trans_BUm(c);
1179 case BRm:
1180 return inline_trans_BRm(c);
1181 case BDm:
1182 return inline_trans_BDm(c);
1183 case BLm:
1184 return inline_trans_BLm(c);
1185 default:
1186#ifdef DEBUG
1187 fprintf(stderr, "transform error, unknown transformation\n");
1188#endif
1189 goto trans_error;
1190 }
1191
1192trans_error:
1193 setzero(ret);
1194 return ret;
1195}
diff --git a/test/00_basic/basic_tests.c b/test/00_basic/basic_tests.c
index 5f5df6b..b1ff001 100644
--- a/test/00_basic/basic_tests.c
+++ b/test/00_basic/basic_tests.c
@@ -2,7 +2,7 @@
2#include <stdint.h> 2#include <stdint.h>
3#include <stdio.h> 3#include <stdio.h>
4 4
5#include "../../src/cube.h" 5#include "../../cube.h"
6 6
7void 7void
8check(cube_t cube, char *name) 8check(cube_t cube, char *name)
diff --git a/test/010_io_H48_read_write/io_H48_tests.c b/test/010_io_H48_read_write/io_H48_tests.c
index 7c3978e..62117b9 100644
--- a/test/010_io_H48_read_write/io_H48_tests.c
+++ b/test/010_io_H48_read_write/io_H48_tests.c
@@ -2,7 +2,7 @@
2#include <stdint.h> 2#include <stdint.h>
3#include <stdio.h> 3#include <stdio.h>
4 4
5#include "../../src/cube.h" 5#include "../../cube.h"
6 6
7#define STRLENMAX 10000 7#define STRLENMAX 10000
8 8
diff --git a/test/011_io_SRC_write/io_SRC_tests.c b/test/011_io_SRC_write/io_SRC_tests.c
index f454b6f..ea9005d 100644
--- a/test/011_io_SRC_write/io_SRC_tests.c
+++ b/test/011_io_SRC_write/io_SRC_tests.c
@@ -2,7 +2,7 @@
2#include <stdint.h> 2#include <stdint.h>
3#include <stdio.h> 3#include <stdio.h>
4 4
5#include "../../src/cube.h" 5#include "../../cube.h"
6 6
7#define STRLENMAX 10000 7#define STRLENMAX 10000
8 8
diff --git a/test/012_io_AVX_write/io_AVX_tests.c b/test/012_io_AVX_write/io_AVX_tests.c
index 2815cab..62a6874 100644
--- a/test/012_io_AVX_write/io_AVX_tests.c
+++ b/test/012_io_AVX_write/io_AVX_tests.c
@@ -2,7 +2,7 @@
2#include <stdint.h> 2#include <stdint.h>
3#include <stdio.h> 3#include <stdio.h>
4 4
5#include "../../src/cube.h" 5#include "../../cube.h"
6 6
7#define STRLENMAX 10000 7#define STRLENMAX 10000
8 8
diff --git a/test/020_move/move_tests.c b/test/020_move/move_tests.c
index 054466b..0dede14 100644
--- a/test/020_move/move_tests.c
+++ b/test/020_move/move_tests.c
@@ -2,7 +2,7 @@
2#include <stdint.h> 2#include <stdint.h>
3#include <stdio.h> 3#include <stdio.h>
4 4
5#include "../../src/cube.h" 5#include "../../cube.h"
6 6
7#define STRLENMAX 10000 7#define STRLENMAX 10000
8#define MOVESMAX 1000 8#define MOVESMAX 1000
diff --git a/test/030_inverse_cube/inverse_tests.c b/test/030_inverse_cube/inverse_tests.c
index 0a56568..b08e42e 100644
--- a/test/030_inverse_cube/inverse_tests.c
+++ b/test/030_inverse_cube/inverse_tests.c
@@ -2,7 +2,7 @@
2#include <stdint.h> 2#include <stdint.h>
3#include <stdio.h> 3#include <stdio.h>
4 4
5#include "../../src/cube.h" 5#include "../../cube.h"
6 6
7#define STRLENMAX 10000 7#define STRLENMAX 10000
8 8
diff --git a/test/040_compose/compose_tests.c b/test/040_compose/compose_tests.c
index a4a5f00..e8f0175 100644
--- a/test/040_compose/compose_tests.c
+++ b/test/040_compose/compose_tests.c
@@ -2,7 +2,7 @@
2#include <stdint.h> 2#include <stdint.h>
3#include <stdio.h> 3#include <stdio.h>
4 4
5#include "../../src/cube.h" 5#include "../../cube.h"
6 6
7#define STRLENMAX 10000 7#define STRLENMAX 10000
8 8
diff --git a/test/050_transform/transform_tests.c b/test/050_transform/transform_tests.c
index fabc9bc..e199035 100644
--- a/test/050_transform/transform_tests.c
+++ b/test/050_transform/transform_tests.c
@@ -2,7 +2,7 @@
2#include <stdint.h> 2#include <stdint.h>
3#include <stdio.h> 3#include <stdio.h>
4 4
5#include "../../src/cube.h" 5#include "../../cube.h"
6 6
7#define STRLENMAX 10000 7#define STRLENMAX 10000
8 8
diff --git a/utils/genmovecode.sh b/utils/genmovecode.sh
index c389ea8..688ee39 100755
--- a/utils/genmovecode.sh
+++ b/utils/genmovecode.sh
@@ -2,16 +2,16 @@
2 2
3type="${1:-src}" 3type="${1:-src}"
4 4
5gcc -DDEBUG h48_to_"$type".c ../src/cube.c -o h48_to_"$type" 5gcc -DDEBUG h48_to_"$type".c ../cube.c -o h48_to_"$type"
6 6
7genfuncs() { 7genfuncs() {
8 for f in move_??_*.txt; do 8 for f in move_??_*.txt; do
9 move="$(echo $f | sed 's/.*_// ; s/\.txt//')" 9 move="$(echo $f | sed 's/.*_// ; s/\.txt//')"
10 printf 'static inline cube_t\ninline_move_%s' "$move" 10 printf 'static inline cube_t\n_move_%s' "$move"
11 printf '(cube_t c)\n{\n' 11 printf '(cube_t c)\n{\n'
12 printf '\tcube_t m = ' 12 printf '\tcube_t m = '
13 ./h48_to_"$type" <"$f" | sed '2,4s/^/\t/' 13 ./h48_to_"$type" <"$f" | sed '2,4s/^/\t/'
14 printf ';\n\n\treturn compose(c, m);\n}\n\n' 14 printf ';\n\n\treturn _compose(c, m);\n}\n\n'
15 done 15 done
16} 16}
17 17
diff --git a/utils/gentranscode.sh b/utils/gentranscode.sh
index 7749ba7..2f73df7 100755
--- a/utils/gentranscode.sh
+++ b/utils/gentranscode.sh
@@ -2,8 +2,8 @@
2 2
3type="${1:-src}" 3type="${1:-src}"
4 4
5gcc -DDEBUG h48_to_"$type".c ../src/cube.c -o h48_to_"$type" 5gcc -DDEBUG h48_to_"$type".c ../cube.c -o h48_to_"$type"
6gcc -DDEBUG invert.c ../src/cube.c -o invert 6gcc -DDEBUG invert.c ../cube.c -o invert
7 7
8# Old version 8# Old version
9genarray() { 9genarray() {
@@ -22,7 +22,7 @@ genarray() {
22genfuncs() { 22genfuncs() {
23 for f in transform_??_???.txt; do 23 for f in transform_??_???.txt; do
24 trans="$(echo $f | sed 's/.*_// ; s/\.txt//')" 24 trans="$(echo $f | sed 's/.*_// ; s/\.txt//')"
25 printf 'static inline cube_t\ninline_trans_%s' "$trans" 25 printf 'static inline cube_t\n_trans_%s' "$trans"
26 printf '(cube_t c)\n{\n' 26 printf '(cube_t c)\n{\n'
27 printf '\tcube_t ret;\n\n' 27 printf '\tcube_t ret;\n\n'
28 printf '\tcube_t tn = ' 28 printf '\tcube_t tn = '
@@ -32,7 +32,7 @@ genfuncs() {
32 printf ';\n\n\tret = compose(tn, c);\n' 32 printf ';\n\n\tret = compose(tn, c);\n'
33 printf '\tret = compose(ret, ti);\n' 33 printf '\tret = compose(ret, ti);\n'
34 if [ -n "$(echo "$trans" | grep "m")" ]; then 34 if [ -n "$(echo "$trans" | grep "m")" ]; then
35 printf '\tret = flipallcorners(ret);\n' 35 printf '\tret = _invertco(ret);\n'
36 fi 36 fi
37 printf '\n\treturn ret;\n}\n\n' 37 printf '\n\treturn ret;\n}\n\n'
38 done 38 done
diff --git a/utils/h48_to_avx.c b/utils/h48_to_avx.c
index e1d8c2e..e5df2aa 100644
--- a/utils/h48_to_avx.c
+++ b/utils/h48_to_avx.c
@@ -2,7 +2,7 @@
2#include <inttypes.h> 2#include <inttypes.h>
3#include <stdbool.h> 3#include <stdbool.h>
4 4
5#include "../src/cube.h" 5#include "../cube.h"
6 6
7#define STRLENMAX 1000 7#define STRLENMAX 1000
8 8
diff --git a/utils/h48_to_src.c b/utils/h48_to_src.c
index 97ee4bf..a8fda00 100644
--- a/utils/h48_to_src.c
+++ b/utils/h48_to_src.c
@@ -2,7 +2,7 @@
2#include <inttypes.h> 2#include <inttypes.h>
3#include <stdbool.h> 3#include <stdbool.h>
4 4
5#include "../src/cube.h" 5#include "../cube.h"
6 6
7#define STRLENMAX 1000 7#define STRLENMAX 1000
8 8
diff --git a/utils/invert.c b/utils/invert.c
index 3088273..aa912e5 100644
--- a/utils/invert.c
+++ b/utils/invert.c
@@ -2,7 +2,7 @@
2#include <inttypes.h> 2#include <inttypes.h>
3#include <stdbool.h> 3#include <stdbool.h>
4 4
5#include "../src/cube.h" 5#include "../cube.h"
6 6
7#define STRLENMAX 1000 7#define STRLENMAX 1000
8 8

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