1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
|
/**CFile****************************************************************
FileName [luckyFast16.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Semi-canonical form computation package.]
Synopsis [Truth table minimization procedures for up to 16 vars.]
Author [Jake]
Date [Started - September 2012]
***********************************************************************/
#include "luckyInt.h"
ABC_NAMESPACE_IMPL_START
static word SFmask[5][4] = {
{0x8888888888888888,0x4444444444444444,0x2222222222222222,0x1111111111111111},
{0xC0C0C0C0C0C0C0C0,0x3030303030303030,0x0C0C0C0C0C0C0C0C,0x0303030303030303},
{0xF000F000F000F000,0x0F000F000F000F00,0x00F000F000F000F0,0x000F000F000F000F},
{0xFF000000FF000000,0x00FF000000FF0000,0x0000FF000000FF00,0x000000FF000000FF},
{0xFFFF000000000000,0x0000FFFF00000000,0x00000000FFFF0000,0x000000000000FFFF}
};
////////////////////////////////////lessThen5/////////////////////////////////////////////////////////////////////////////////////////////
// there are 4 parts in every block to compare and rearrange - quoters(0Q,1Q,2Q,3Q)
//updataInfo updates CanonPerm and CanonPhase based on what quoter in position iQ and jQ
inline void updataInfo(int iQ, int jQ, int iVar, char * pCanonPerm, unsigned* pCanonPhase)
{
*pCanonPhase = adjustInfoAfterSwap(pCanonPerm, *pCanonPhase, iVar, ((abs(iQ-jQ)-1)<<2) + iQ );
}
// returns the first shift from the left in word x that has One bit in it.
// blockSize = ShiftSize/4
inline int firstShiftWithOneBit(word x, int blockSize)
{
int n = 0;
if(blockSize == 16){ return 0;}
if (x >= 0x0000000100000000) {n = n + 32; x = x >> 32;}
if(blockSize == 8){ return (64-n)/32;}
if (x >= 0x0000000000010000) {n = n + 16; x = x >> 16;}
if(blockSize == 4){ return (64-n)/16;}
if (x >= 0x0000000000000100) {n = n + 8; x = x >> 8;}
if(blockSize == 2){ return (64-n)/8;}
if (x >= 0x0000000000000010) {n = n + 4; x = x >> 4;}
return (64-n)/4;
}
// It rearranges InOut (swaps and flips through rearrangement of quoters)
// It updates Info at the end
inline void arrangeQuoters_superFast_lessThen5(word* pInOut, int start, int iQ, int jQ, int kQ, int lQ, int iVar, int nWords, char * pCanonPerm, unsigned* pCanonPhase)
{
int i, blockSize = 1<<iVar;
for(i=start;i>=0;i--)
{
assert( iQ*blockSize < 64 );
assert( jQ*blockSize < 64 );
assert( kQ*blockSize < 64 );
assert( lQ*blockSize < 64 );
assert( 3*blockSize < 64 );
pInOut[i] = (pInOut[i] & SFmask[iVar][iQ])<<(iQ*blockSize) |
(((pInOut[i] & SFmask[iVar][jQ])<<(jQ*blockSize))>>blockSize) |
(((pInOut[i] & SFmask[iVar][kQ])<<(kQ*blockSize))>>2*blockSize) |
(((pInOut[i] & SFmask[iVar][lQ])<<(lQ*blockSize))>>3*blockSize);
}
updataInfo(iQ, jQ, iVar, pCanonPerm, pCanonPhase);
}
//It compares 0Q and 3Q and returns 0 if 0Q is smaller then 3Q ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in 0Q and 3Q
inline int minTemp0_fast(word* pInOut, int iVar, int nWords, int* pDifStart)
{
int i, blockSize = 1<<iVar;
word temp;
for(i=nWords - 1; i>=0; i--)
{
assert( 3*blockSize < 64 );
temp = ((pInOut[i] & SFmask[iVar][0])) ^ ((pInOut[i] & SFmask[iVar][3])<<(3*blockSize));
if( temp == 0)
continue;
else
{
*pDifStart = i*100 + 20 - firstShiftWithOneBit(temp, blockSize);
if( ((pInOut[i] & SFmask[iVar][0])) < ((pInOut[i] & SFmask[iVar][3])<<(3*blockSize)) )
return 0;
else
return 3;
}
}
*pDifStart=0;
return 0;
}
//It compares 1Q and 2Q and returns 1 if 1Q is smaller then 2Q ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in 1Q and 2Q
inline int minTemp1_fast(word* pInOut, int iVar, int nWords, int* pDifStart)
{
int i, blockSize = 1<<iVar;
word temp;
for(i=nWords - 1; i>=0; i--)
{
assert( 2*blockSize < 64 );
temp = ((pInOut[i] & SFmask[iVar][1])<<(blockSize)) ^ ((pInOut[i] & SFmask[iVar][2])<<(2*blockSize));
if( temp == 0)
continue;
else
{
*pDifStart = i*100 + 20 - firstShiftWithOneBit(temp, blockSize);
if( ((pInOut[i] & SFmask[iVar][1])<<(blockSize)) < ((pInOut[i] & SFmask[iVar][2])<<(2*blockSize)) )
return 1;
else
return 2;
}
}
*pDifStart=0;
return 1;
}
//It compares iQ and jQ and returns 0 if iQ is smaller then jQ ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in iQ and jQ
inline int minTemp2_fast(word* pInOut, int iVar, int iQ, int jQ, int nWords, int* pDifStart)
{
int i, blockSize = 1<<iVar;
word temp;
for(i=nWords - 1; i>=0; i--)
{
assert( jQ*blockSize < 64 );
temp = ((pInOut[i] & SFmask[iVar][iQ])<<(iQ*blockSize)) ^ ((pInOut[i] & SFmask[iVar][jQ])<<(jQ*blockSize));
if( temp == 0)
continue;
else
{
*pDifStart = i*100 + 20 - firstShiftWithOneBit(temp, blockSize);
if( ((pInOut[i] & SFmask[iVar][iQ])<<(iQ*blockSize)) <= ((pInOut[i] & SFmask[iVar][jQ])<<(jQ*blockSize)) )
return 0;
else
return 1;
}
}
*pDifStart=0;
return iQ;
}
// same as minTemp2_fast but this one has a start position
inline int minTemp3_fast(word* pInOut, int iVar, int start, int finish, int iQ, int jQ, int* pDifStart)
{
int i, blockSize = 1<<iVar;
word temp;
for(i=start; i>=finish; i--)
{
assert( jQ*blockSize < 64 );
temp = ((pInOut[i] & SFmask[iVar][iQ])<<(iQ*blockSize)) ^ ((pInOut[i] & SFmask[iVar][jQ])<<(jQ*blockSize));
if( temp == 0)
continue;
else
{
*pDifStart = i*100 + 20 - firstShiftWithOneBit(temp, blockSize);
if( ((pInOut[i] & SFmask[iVar][iQ])<<(iQ*blockSize)) <= ((pInOut[i] & SFmask[iVar][jQ])<<(jQ*blockSize)) )
return 0;
else
return 1;
}
}
*pDifStart=0;
return iQ;
}
// It considers all swap and flip possibilities of iVar and iVar+1 and switches InOut to a minimal of them
inline void minimalSwapAndFlipIVar_superFast_lessThen5(word* pInOut, int iVar, int nWords, char * pCanonPerm, unsigned* pCanonPhase)
{
int min1, min2, DifStart0, DifStart1, DifStartMin;
int M[2];
M[0] = minTemp0_fast(pInOut, iVar, nWords, &DifStart0); // 0, 3
M[1] = minTemp1_fast(pInOut, iVar, nWords, &DifStart1); // 1, 2
min1 = minTemp2_fast(pInOut, iVar, M[0], M[1], nWords, &DifStartMin);
if(DifStart0 != DifStart1)
{
if( DifStartMin>=DifStart1 && DifStartMin>=DifStart0 )
arrangeQuoters_superFast_lessThen5(pInOut, DifStartMin/100, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], iVar, nWords, pCanonPerm, pCanonPhase);
else if( DifStart0 > DifStart1)
arrangeQuoters_superFast_lessThen5(pInOut,luckyMax(DifStartMin/100, DifStart0/100), M[0], M[1], 3 - M[1], 3 - M[0], iVar, nWords, pCanonPerm, pCanonPhase);
else
arrangeQuoters_superFast_lessThen5(pInOut,luckyMax(DifStartMin/100, DifStart1/100), M[1], M[0], 3 - M[0], 3 - M[1], iVar, nWords, pCanonPerm, pCanonPhase);
}
else
{
if(DifStartMin>=DifStart0)
arrangeQuoters_superFast_lessThen5(pInOut, DifStartMin/100, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], iVar, nWords, pCanonPerm, pCanonPhase);
else
{
min2 = minTemp3_fast(pInOut, iVar, DifStart0/100, DifStartMin/100, 3-M[0], 3-M[1], &DifStart1); // reuse DifStart1 because DifStart1 = DifStart1=0
if(DifStart1>DifStartMin)
arrangeQuoters_superFast_lessThen5(pInOut, DifStart0/100, M[(min2+1)&1], M[min2], 3 - M[min2], 3 - M[(min2+1)&1], iVar, nWords, pCanonPerm, pCanonPhase);
else
arrangeQuoters_superFast_lessThen5(pInOut, DifStart0/100, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], iVar, nWords, pCanonPerm, pCanonPhase);
}
}
}
////////////////////////////////////iVar = 5/////////////////////////////////////////////////////////////////////////////////////////////
// It rearranges InOut (swaps and flips through rearrangement of quoters)
// It updates Info at the end
inline void arrangeQuoters_superFast_iVar5(unsigned* pInOut, unsigned* temp, int start, int iQ, int jQ, int kQ, int lQ, char * pCanonPerm, unsigned* pCanonPhase)
{
int i,blockSize,shiftSize;
unsigned* tempPtr = temp+start;
if(iQ == 0 && jQ == 1)
return;
blockSize = sizeof(unsigned);
shiftSize = 4;
for(i=start-1;i>0;i-=shiftSize)
{
tempPtr -= 1;
memcpy(tempPtr, pInOut+i-iQ, blockSize);
tempPtr -= 1;
memcpy(tempPtr, pInOut+i-jQ, blockSize);
tempPtr -= 1;
memcpy(tempPtr, pInOut+i-kQ, blockSize);
tempPtr -= 1;
memcpy(tempPtr, pInOut+i-lQ, blockSize);
}
memcpy(pInOut, temp, start*sizeof(unsigned));
updataInfo(iQ, jQ, 5, pCanonPerm, pCanonPhase);
}
//It compares 0Q and 3Q and returns 0 if 0Q is smaller then 3Q ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in 0Q and 3Q
inline int minTemp0_fast_iVar5(unsigned* pInOut, int nWords, int* pDifStart)
{
int i, temp;
for(i=(nWords)*2 - 1; i>=0; i-=4)
{
temp = CompareWords(pInOut[i],pInOut[i-3]);
if(temp == 0)
continue;
else if(temp == -1)
{
*pDifStart = i+1;
return 0;
}
else
{
*pDifStart = i+1;
return 3;
}
}
*pDifStart=0;
return 0;
}
//It compares 1Q and 2Q and returns 1 if 1Q is smaller then 2Q ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in 1Q and 2Q
inline int minTemp1_fast_iVar5(unsigned* pInOut, int nWords, int* pDifStart)
{
int i, temp;
for(i=(nWords)*2 - 2; i>=0; i-=4)
{
temp = CompareWords(pInOut[i],pInOut[i-1]);
if(temp == 0)
continue;
else if(temp == -1)
{
*pDifStart = i+2;
return 1;
}
else
{
*pDifStart = i+2;
return 2;
}
}
*pDifStart=0;
return 1;
}
//It compares iQ and jQ and returns 0 if iQ is smaller then jQ ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in iQ and jQ
inline int minTemp2_fast_iVar5(unsigned* pInOut, int iQ, int jQ, int nWords, int* pDifStart)
{
int i, temp;
for(i=(nWords)*2 - 1; i>=0; i-=4)
{
temp = CompareWords(pInOut[i-iQ],pInOut[i-jQ]);
if(temp == 0)
continue;
else if(temp == -1)
{
*pDifStart = i+1;
return 0;
}
else
{
*pDifStart = i+1;
return 1;
}
}
*pDifStart=0;
return iQ;
}
// same as minTemp2_fast but this one has a start position
inline int minTemp3_fast_iVar5(unsigned* pInOut, int start, int finish, int iQ, int jQ, int* pDifStart)
{
int i, temp;
for(i=start-1; i>=finish; i-=4)
{
temp = CompareWords(pInOut[i-iQ],pInOut[i-jQ]);
if(temp == 0)
continue;
else if(temp == -1)
{
*pDifStart = i+1;
return 0;
}
else
{
*pDifStart = i+1;
return 1;
}
}
*pDifStart=0;
return iQ;
}
// It considers all swap and flip possibilities of iVar and iVar+1 and switches InOut to a minimal of them
inline void minimalSwapAndFlipIVar_superFast_iVar5(unsigned* pInOut, int nWords, char * pCanonPerm, unsigned* pCanonPhase)
{
int min1, min2, DifStart0, DifStart1, DifStartMin;
int M[2];
unsigned temp[2048];
M[0] = minTemp0_fast_iVar5(pInOut, nWords, &DifStart0); // 0, 3
M[1] = minTemp1_fast_iVar5(pInOut, nWords, &DifStart1); // 1, 2
min1 = minTemp2_fast_iVar5(pInOut, M[0], M[1], nWords, &DifStartMin);
if(DifStart0 != DifStart1)
{
if( DifStartMin>=DifStart1 && DifStartMin>=DifStart0 )
arrangeQuoters_superFast_iVar5(pInOut, temp, DifStartMin, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], pCanonPerm, pCanonPhase);
else if( DifStart0 > DifStart1)
arrangeQuoters_superFast_iVar5(pInOut, temp, luckyMax(DifStartMin,DifStart0), M[0], M[1], 3 - M[1], 3 - M[0], pCanonPerm, pCanonPhase);
else
arrangeQuoters_superFast_iVar5(pInOut, temp, luckyMax(DifStartMin,DifStart1), M[1], M[0], 3 - M[0], 3 - M[1], pCanonPerm, pCanonPhase);
}
else
{
if(DifStartMin>=DifStart0)
arrangeQuoters_superFast_iVar5(pInOut, temp, DifStartMin, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], pCanonPerm, pCanonPhase);
else
{
min2 = minTemp3_fast_iVar5(pInOut, DifStart0, DifStartMin, 3-M[0], 3-M[1], &DifStart1); // reuse DifStart1 because DifStart1 = DifStart1=0
if(DifStart1>DifStartMin)
arrangeQuoters_superFast_iVar5(pInOut, temp, DifStart0, M[(min2+1)&1], M[min2], 3 - M[min2], 3 - M[(min2+1)&1], pCanonPerm, pCanonPhase);
else
arrangeQuoters_superFast_iVar5(pInOut, temp, DifStart0, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], pCanonPerm, pCanonPhase);
}
}
}
////////////////////////////////////moreThen5/////////////////////////////////////////////////////////////////////////////////////////////
// It rearranges InOut (swaps and flips through rearrangement of quoters)
// It updates Info at the end
inline void arrangeQuoters_superFast_moreThen5(word* pInOut, word* temp, int start, int iQ, int jQ, int kQ, int lQ, int iVar, char * pCanonPerm, unsigned* pCanonPhase)
{
int i,wordBlock,blockSize,shiftSize;
word* tempPtr = temp+start;
if(iQ == 0 && jQ == 1)
return;
wordBlock = (1<<(iVar-6));
blockSize = wordBlock*sizeof(word);
shiftSize = wordBlock*4;
for(i=start-wordBlock;i>0;i-=shiftSize)
{
tempPtr -= wordBlock;
memcpy(tempPtr, pInOut+i-iQ*wordBlock, blockSize);
tempPtr -= wordBlock;
memcpy(tempPtr, pInOut+i-jQ*wordBlock, blockSize);
tempPtr -= wordBlock;
memcpy(tempPtr, pInOut+i-kQ*wordBlock, blockSize);
tempPtr -= wordBlock;
memcpy(tempPtr, pInOut+i-lQ*wordBlock, blockSize);
}
memcpy(pInOut, temp, start*sizeof(word));
updataInfo(iQ, jQ, iVar, pCanonPerm, pCanonPhase);
}
//It compares 0Q and 3Q and returns 0 if 0Q is smaller then 3Q ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in 0Q and 3Q
inline int minTemp0_fast_moreThen5(word* pInOut, int iVar, int nWords, int* pDifStart)
{
int i, j, temp;
int wordBlock = 1<<(iVar-6);
int wordDif = 3*wordBlock;
int shiftBlock = wordBlock*4;
for(i=nWords - 1; i>=0; i-=shiftBlock)
for(j=0;j<wordBlock;j++)
{
temp = CompareWords(pInOut[i-j],pInOut[i-j-wordDif]);
if(temp == 0)
continue;
else if(temp == -1)
{
*pDifStart = i+1;
return 0;
}
else
{
*pDifStart = i+1;
return 3;
}
}
*pDifStart=0;
return 0;
}
//It compares 1Q and 2Q and returns 1 if 1Q is smaller then 2Q ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in 1Q and 2Q
inline int minTemp1_fast_moreThen5(word* pInOut, int iVar, int nWords, int* pDifStart)
{
int i, j, temp;
int wordBlock = 1<<(iVar-6);
int shiftBlock = wordBlock*4;
for(i=nWords - wordBlock - 1; i>=0; i-=shiftBlock)
for(j=0;j<wordBlock;j++)
{
temp = CompareWords(pInOut[i-j],pInOut[i-j-wordBlock]);
if(temp == 0)
continue;
else if(temp == -1)
{
*pDifStart = i+wordBlock+1;
return 1;
}
else
{
*pDifStart = i+wordBlock+1;
return 2;
}
}
*pDifStart=0;
return 1;
}
//It compares iQ and jQ and returns 0 if iQ is smaller then jQ ( comparison starts at highest bit) and visa versa
// DifStart contains the information about the first different bit in iQ and jQ
inline int minTemp2_fast_moreThen5(word* pInOut, int iVar, int iQ, int jQ, int nWords, int* pDifStart)
{
int i, j, temp;
int wordBlock = 1<<(iVar-6);
int shiftBlock = wordBlock*4;
for(i=nWords - 1; i>=0; i-=shiftBlock)
for(j=0;j<wordBlock;j++)
{
temp = CompareWords(pInOut[i-j-iQ*wordBlock],pInOut[i-j-jQ*wordBlock]);
if(temp == 0)
continue;
else if(temp == -1)
{
*pDifStart = i+1;
return 0;
}
else
{
*pDifStart = i+1;
return 1;
}
}
*pDifStart=0;
return iQ;
}
// same as minTemp2_fast but this one has a start position
inline int minTemp3_fast_moreThen5(word* pInOut, int iVar, int start, int finish, int iQ, int jQ, int* pDifStart)
{
int i, j, temp;
int wordBlock = 1<<(iVar-6);
int shiftBlock = wordBlock*4;
for(i=start-1; i>=finish; i-=shiftBlock)
for(j=0;j<wordBlock;j++)
{
temp = CompareWords(pInOut[i-j-iQ*wordBlock],pInOut[i-j-jQ*wordBlock]);
if(temp == 0)
continue;
else if(temp == -1)
{
*pDifStart = i+1;
return 0;
}
else
{
*pDifStart = i+1;
return 1;
}
}
*pDifStart=0;
return iQ;
}
// It considers all swap and flip possibilities of iVar and iVar+1 and switches InOut to a minimal of them
inline void minimalSwapAndFlipIVar_superFast_moreThen5(word* pInOut, int iVar, int nWords, char * pCanonPerm, unsigned* pCanonPhase)
{
int min1, min2, DifStart0, DifStart1, DifStartMin;
int M[2];
word temp[1024];
M[0] = minTemp0_fast_moreThen5(pInOut, iVar, nWords, &DifStart0); // 0, 3
M[1] = minTemp1_fast_moreThen5(pInOut, iVar, nWords, &DifStart1); // 1, 2
min1 = minTemp2_fast_moreThen5(pInOut, iVar, M[0], M[1], nWords, &DifStartMin);
if(DifStart0 != DifStart1)
{
if( DifStartMin>=DifStart1 && DifStartMin>=DifStart0 )
arrangeQuoters_superFast_moreThen5(pInOut, temp, DifStartMin, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], iVar, pCanonPerm, pCanonPhase);
else if( DifStart0 > DifStart1)
arrangeQuoters_superFast_moreThen5(pInOut, temp, luckyMax(DifStartMin,DifStart0), M[0], M[1], 3 - M[1], 3 - M[0], iVar, pCanonPerm, pCanonPhase);
else
arrangeQuoters_superFast_moreThen5(pInOut, temp, luckyMax(DifStartMin,DifStart1), M[1], M[0], 3 - M[0], 3 - M[1], iVar, pCanonPerm, pCanonPhase);
}
else
{
if(DifStartMin>=DifStart0)
arrangeQuoters_superFast_moreThen5(pInOut, temp, DifStartMin, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], iVar, pCanonPerm, pCanonPhase);
else
{
min2 = minTemp3_fast_moreThen5(pInOut, iVar, DifStart0, DifStartMin, 3-M[0], 3-M[1], &DifStart1); // reuse DifStart1 because DifStart1 = DifStart1=0
if(DifStart1>DifStartMin)
arrangeQuoters_superFast_moreThen5(pInOut, temp, DifStart0, M[(min2+1)&1], M[min2], 3 - M[min2], 3 - M[(min2+1)&1], iVar, pCanonPerm, pCanonPhase);
else
arrangeQuoters_superFast_moreThen5(pInOut, temp, DifStart0, M[min1], M[(min1+1)&1], 3 - M[(min1+1)&1], 3 - M[min1], iVar, pCanonPerm, pCanonPhase);
}
}
}
/////////////////////////////////// for all /////////////////////////////////////////////////////////////////////////////////////////////
inline void minimalInitialFlip_fast_16Vars(word* pInOut, int nVars, unsigned* pCanonPhase)
{
word oneWord=1;
if( (pInOut[Kit_TruthWordNum_64bit( nVars ) -1]>>63) & oneWord )
{
Kit_TruthNot_64bit( pInOut, nVars );
(* pCanonPhase) ^=(1<<nVars);
}
}
// this function finds minimal for all TIED(and tied only) iVars
//it finds tied vars based on rearranged Store info - group of tied vars has the same bit count in Store
inline int minimalSwapAndFlipIVar_superFast_all(word* pInOut, int nVars, int nWords, int * pStore, char * pCanonPerm, unsigned* pCanonPhase)
{
int i;
word pDuplicate[1024];
int bitInfoTemp = pStore[0];
memcpy(pDuplicate,pInOut,nWords*sizeof(word));
for(i=0;i<5;i++)
{
if(bitInfoTemp == pStore[i+1])
minimalSwapAndFlipIVar_superFast_lessThen5(pInOut, i, nWords, pCanonPerm, pCanonPhase);
else
{
bitInfoTemp = pStore[i+1];
continue;
}
}
if(bitInfoTemp == pStore[i+1])
minimalSwapAndFlipIVar_superFast_iVar5((unsigned*) pInOut, nWords, pCanonPerm, pCanonPhase);
else
bitInfoTemp = pStore[i+1];
for(i=6;i<nVars-1;i++)
{
if(bitInfoTemp == pStore[i+1])
minimalSwapAndFlipIVar_superFast_moreThen5(pInOut, i, nWords, pCanonPerm, pCanonPhase);
else
{
bitInfoTemp = pStore[i+1];
continue;
}
}
if(memcmp(pInOut,pDuplicate , nWords*sizeof(word)) == 0)
return 0;
else
return 1;
}
inline void luckyCanonicizerS_F_first_16Vars(word* pInOut, int nVars, int nWords, int * pStore, char * pCanonPerm, unsigned* pCanonPhase)
{
minimalInitialFlip_fast_16Vars(pInOut, nVars, pCanonPhase);
while( minimalSwapAndFlipIVar_superFast_all(pInOut, nVars, nWords, pStore, pCanonPerm, pCanonPhase) != 0)
continue;
}
inline void luckyCanonicizer_final_fast_16Vars(word* pInOut, int nVars, int nWords, int * pStore, char * pCanonPerm, unsigned* pCanonPhase)
{
// word pDuplicate[1024]={0};
// word pDuplicateLocal[1024]={0};
// memcpy(pDuplicateLocal,pInOut,nWords*sizeof(word));
assert( nVars > 6 && nVars <= 16 );
(* pCanonPhase) = Kit_TruthSemiCanonicize_Yasha1( pInOut, nVars, pCanonPerm, pStore );
luckyCanonicizerS_F_first_16Vars(pInOut, nVars, nWords, pStore, pCanonPerm, pCanonPhase );
// memcpy(pDuplicate,pInOut,nWords*sizeof(word));
// assert(!luckyCheck(pDuplicate, pDuplicateLocal, nVars, pCanonPerm, * pCanonPhase));
}
// top-level procedure calling two special cases (nVars <= 6 and nVars <= 16)
int luckyCanonicizer_final_fast( word * pInOut, int nVars, char * pCanonPerm )
{
int pStore[16];
unsigned uCanonPhase = 0;
int nWords = (nVars <= 6) ? 1 : (1 << (nVars - 6));
if ( nVars <= 6 )
pInOut[0] = luckyCanonicizer_final_fast_6Vars( pInOut[0], pStore, pCanonPerm, &uCanonPhase );
else if ( nVars <= 16 )
luckyCanonicizer_final_fast_16Vars( pInOut, nVars, nWords, pStore, pCanonPerm, &uCanonPhase );
else assert( 0 );
return uCanonPhase;
}
ABC_NAMESPACE_IMPL_END
|
