summaryrefslogtreecommitdiffstats
path: root/src/base/abc/abc.h
blob: 79134898181f17c09858dcd6dfbb0f2b2a1226bf (plain)
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
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
/**CFile****************************************************************

  FileName    [abc.h]

  SystemName  [ABC: Logic synthesis and verification system.]

  PackageName [Network and node package.]

  Synopsis    [External declarations.]

  Author      [Alan Mishchenko]
  
  Affiliation [UC Berkeley]

  Date        [Ver. 1.0. Started - June 20, 2005.]

  Revision    [$Id: abc.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]

***********************************************************************/

#ifndef __ABC_H__
#define __ABC_H__

#ifdef __cplusplus
extern "C" {
#endif

////////////////////////////////////////////////////////////////////////
///                          INCLUDES                                ///
////////////////////////////////////////////////////////////////////////

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <time.h>

#include "cuddInt.h"
#include "hop.h"
#include "extra.h"
#include "vec.h"
#include "stmm.h"
#include "nm.h"

////////////////////////////////////////////////////////////////////////
///                         PARAMETERS                               ///
////////////////////////////////////////////////////////////////////////

// network types
typedef enum { 
    ABC_NTK_NONE = 0,   // 0:  unknown
    ABC_NTK_NETLIST,    // 1:  network with PIs/POs, latches, nodes, and nets
    ABC_NTK_LOGIC,      // 2:  network with PIs/POs, latches, and nodes
    ABC_NTK_STRASH,     // 3:  structurally hashed AIG (two input AND gates with c-attributes on edges)
    ABC_NTK_OTHER       // 4:  unused
} Abc_NtkType_t;

// network functionality
typedef enum { 
    ABC_FUNC_NONE = 0,  // 0:  unknown
    ABC_FUNC_SOP,       // 1:  sum-of-products
    ABC_FUNC_BDD,       // 2:  binary decision diagrams
    ABC_FUNC_AIG,       // 3:  and-inverter graphs
    ABC_FUNC_MAP,       // 4:  standard cell library
    ABC_FUNC_BLIFMV,    // 5:  BLIF-MV node functions
    ABC_FUNC_BLACKBOX,  // 6:  black box about which nothing is known
    ABC_FUNC_OTHER      // 7:  unused
} Abc_NtkFunc_t;

// Supported type/functionality combinations:
/*------------------------------------------|
|           |  SOP  |  BDD  |  AIG  |  Map  |
|-----------|-------|-------|-------|-------|
|  Netlist  |   x   |       |   x   |   x   |
|-----------|-------|-------|-------|-------|
|  Logic    |   x   |   x   |   x   |   x   |
|-----------|-------|-------|-------|-------|
|  Strash   |       |       |   x   |       |
--------------------------------------------|*/

// object types
typedef enum { 
    ABC_OBJ_NONE = 0,   //  0:  unknown
    ABC_OBJ_CONST1,     //  1:  constant 1 node (AIG only)
    ABC_OBJ_PIO,        //  2:  inout terminal
    ABC_OBJ_PI,         //  3:  primary input terminal
    ABC_OBJ_PO,         //  4:  primary output terminal
    ABC_OBJ_BI,         //  5:  box input terminal
    ABC_OBJ_BO,         //  6:  box output terminal
    ABC_OBJ_ASSERT,     //  7:  assertion terminal
    ABC_OBJ_NET,        //  8:  net
    ABC_OBJ_NODE,       //  9:  node
    ABC_OBJ_LATCH,      // 10:  latch
    ABC_OBJ_WHITEBOX,   // 11:  box with known contents
    ABC_OBJ_BLACKBOX,   // 12:  box with unknown contents
    ABC_OBJ_NUMBER      // 13:  unused
} Abc_ObjType_t;

// latch initial values
typedef enum { 
    ABC_INIT_NONE = 0,  // 0:  unknown
    ABC_INIT_ZERO,      // 1:  zero
    ABC_INIT_ONE,       // 2:  one
    ABC_INIT_DC,        // 3:  don't-care
    ABC_INIT_OTHER      // 4:  unused
} Abc_InitType_t;

////////////////////////////////////////////////////////////////////////
///                         BASIC TYPES                              ///
////////////////////////////////////////////////////////////////////////

//typedef int                   bool;
#ifndef __cplusplus
#ifndef bool
#define bool int
#endif
#endif

#ifndef SINT64
#define SINT64

#ifdef _WIN32
typedef signed __int64     sint64;   // compatible with MS VS 6.0
#else
typedef long long          sint64;
#endif

#endif

typedef struct Abc_Lib_t_       Abc_Lib_t;
typedef struct Abc_Ntk_t_       Abc_Ntk_t;
typedef struct Abc_Obj_t_       Abc_Obj_t;
typedef struct Abc_Aig_t_       Abc_Aig_t;
typedef struct Abc_ManTime_t_   Abc_ManTime_t;
typedef struct Abc_ManCut_t_    Abc_ManCut_t;
typedef struct Abc_Time_t_      Abc_Time_t;

struct Abc_Time_t_
{
    float             Rise;
    float             Fall;
    float             Worst;
};

struct Abc_Obj_t_ // 12 words
{
    // high-level information
    Abc_Ntk_t *       pNtk;          // the host network
    int               Id;            // the object ID
    int               TravId;        // the traversal ID (if changed, update Abc_NtkIncrementTravId)
    // internal information
    unsigned          Type    :  4;  // the object type
    unsigned          fMarkA  :  1;  // the multipurpose mark
    unsigned          fMarkB  :  1;  // the multipurpose mark
    unsigned          fMarkC  :  1;  // the multipurpose mark
    unsigned          fPhase  :  1;  // the flag to mark the phase of equivalent node
    unsigned          fExor   :  1;  // marks AIG node that is a root of EXOR
    unsigned          fPersist:  1;  // marks the persistant AIG node
    unsigned          fCompl0 :  1;  // complemented attribute of the first fanin in the AIG
    unsigned          fCompl1 :  1;  // complemented attribute of the second fanin in the AIG 
    unsigned          Level   : 20;  // the level of the node
    // connectivity
    Vec_Int_t         vFanins;       // the array of fanins
    Vec_Int_t         vFanouts;      // the array of fanouts
    // miscellaneous
    void *            pData;         // the network specific data (SOP, BDD, gate, equiv class, etc)
    Abc_Obj_t *       pNext;         // the next pointer in the hash table
    Abc_Obj_t *       pCopy;         // the copy of this object
    Hop_Obj_t *       pEquiv;        // pointer to the HAIG node
};

struct Abc_Ntk_t_ 
{
    // general information 
    Abc_NtkType_t     ntkType;       // type of the network
    Abc_NtkFunc_t     ntkFunc;       // functionality of the network
    char *            pName;         // the network name
    char *            pSpec;         // the name of the spec file if present
    Nm_Man_t *        pManName;      // name manager (stores names of objects)
    // components of the network
    Vec_Ptr_t *       vObjs;         // the array of all objects (net, nodes, latches, etc)
    Vec_Ptr_t *       vPis;          // the array of primary inputs
    Vec_Ptr_t *       vPos;          // the array of primary outputs
    Vec_Ptr_t *       vCis;          // the array of combinational inputs  (PIs, latches)
    Vec_Ptr_t *       vCos;          // the array of combinational outputs (POs, asserts, latches)
    Vec_Ptr_t *       vPios;         // the array of PIOs
    Vec_Ptr_t *       vAsserts;      // the array of assertions
    Vec_Ptr_t *       vBoxes;        // the array of boxes
    // the number of living objects
    int               nObjs;         // the number of live objs
    int nObjCounts[ABC_OBJ_NUMBER];  // the number of objects by type
    // the backup network and the step number
    Abc_Ntk_t *       pNetBackup;    // the pointer to the previous backup network
    int               iStep;         // the generation number for the given network
    // hierarchy
    Abc_Lib_t *       pDesign;
    short             fHieVisited;   // flag to mark the visited network
    short             fHiePath;      // flag to mark the network on the path
    // miscellaneous data members
    int               nTravIds;      // the unique traversal IDs of nodes
    Extra_MmFixed_t * pMmObj;        // memory manager for objects
    Extra_MmStep_t *  pMmStep;       // memory manager for arrays
    void *            pManFunc;      // functionality manager (AIG manager, BDD manager, or memory manager for SOPs)
//    Abc_Lib_t *       pVerLib;       // for structural verilog designs
    Abc_ManTime_t *   pManTime;      // the timing manager (for mapped networks) stores arrival/required times for all nodes
    void *            pManCut;       // the cut manager (for AIGs) stores information about the cuts computed for the nodes
    int               LevelMax;      // maximum number of levels
    Vec_Int_t *       vLevelsR;      // level in the reverse topological order (for AIGs)
    Vec_Ptr_t *       vSupps;        // CO support information
    int *             pModel;        // counter-example (for miters)
    Abc_Ntk_t *       pExdc;         // the EXDC network (if given)
    void *            pData;         // misc
    Abc_Ntk_t *       pCopy;
    Hop_Man_t *       pHaig;         // history AIG
    // node attributes
    Vec_Ptr_t *       vAttrs;        // managers of various node attributes (node functionality, global BDDs, etc)
};

struct Abc_Lib_t_ 
{
    char *            pName;         // the name of the library
    void *            pManFunc;      // functionality manager for the nodes
    Vec_Ptr_t *       vTops;         // the array of top-level modules
    Vec_Ptr_t *       vModules;      // the array of modules
    st_table *        tModules;      // the table hashing module names into their networks
    Abc_Lib_t *       pLibrary;      // the library used to map this design
    void *            pGenlib;       // the genlib library used to map this design
};

////////////////////////////////////////////////////////////////////////
///                      MACRO DEFINITIONS                           ///
////////////////////////////////////////////////////////////////////////

// maximum/minimum operators
#define ABC_MIN(a,b)      (((a) < (b))? (a) : (b))
#define ABC_MAX(a,b)      (((a) > (b))? (a) : (b))
#define ABC_INFINITY      (100000000)

// transforming floats into ints and back
static inline int         Abc_Float2Int( float Val )                 { return *((int *)&Val);                       }
static inline float       Abc_Int2Float( int Num )                   { return *((float *)&Num);                     }
static inline int         Abc_BitWordNum( int nBits )                { return (nBits>>5) + ((nBits&31) > 0);        }
static inline int         Abc_TruthWordNum( int nVars )              { return nVars <= 5 ? 1 : (1 << (nVars - 5));  }
static inline int         Abc_InfoHasBit( unsigned * p, int i )      { return (p[(i)>>5] & (1<<((i) & 31))) > 0;    }
static inline void        Abc_InfoSetBit( unsigned * p, int i )      { p[(i)>>5] |= (1<<((i) & 31));                }
static inline void        Abc_InfoXorBit( unsigned * p, int i )      { p[(i)>>5] ^= (1<<((i) & 31));                }
static inline unsigned    Abc_InfoRandomWord()                       { return ((((unsigned)rand()) << 24) ^ (((unsigned)rand()) << 12) ^ ((unsigned)rand())); } // #define RAND_MAX 0x7fff
static inline void        Abc_InfoRandom( unsigned * p, int nWords ) { int i; for ( i = nWords - 1; i >= 0; i-- ) p[i] = Abc_InfoRandomWord();   } 
static inline void        Abc_InfoClear( unsigned * p, int nWords )  { memset( p, 0, sizeof(unsigned) * nWords );   } 
static inline void        Abc_InfoFill( unsigned * p, int nWords )   { memset( p, 0xff, sizeof(unsigned) * nWords );} 
static inline void        Abc_InfoNot( unsigned * p, int nWords )    { int i; for ( i = nWords - 1; i >= 0; i-- ) p[i] = ~p[i];   } 
static inline int         Abc_InfoIsZero( unsigned * p, int nWords ) { int i; for ( i = nWords - 1; i >= 0; i-- ) if ( p[i] )  return 0; return 1; } 
static inline int         Abc_InfoIsOne( unsigned * p, int nWords )  { int i; for ( i = nWords - 1; i >= 0; i-- ) if ( ~p[i] ) return 0; return 1; } 
static inline void        Abc_InfoCopy( unsigned * p, unsigned * q, int nWords )   { int i; for ( i = nWords - 1; i >= 0; i-- ) p[i]  = q[i];  } 
static inline void        Abc_InfoAnd( unsigned * p, unsigned * q, int nWords )    { int i; for ( i = nWords - 1; i >= 0; i-- ) p[i] &= q[i];  } 
static inline void        Abc_InfoOr( unsigned * p, unsigned * q, int nWords )     { int i; for ( i = nWords - 1; i >= 0; i-- ) p[i] |= q[i];  } 
static inline void        Abc_InfoXor( unsigned * p, unsigned * q, int nWords )    { int i; for ( i = nWords - 1; i >= 0; i-- ) p[i] ^= q[i];  } 
static inline int         Abc_InfoIsOrOne( unsigned * p, unsigned * q, int nWords ){ int i; for ( i = nWords - 1; i >= 0; i-- ) if ( ~(p[i] | q[i]) ) return 0; return 1; } 
static inline int         Abc_InfoIsOrOne3( unsigned * p, unsigned * q, unsigned * r, int nWords ){ int i; for ( i = nWords - 1; i >= 0; i-- ) if ( ~(p[i] | q[i] | r[i]) ) return 0; return 1; } 

// checking the network type
static inline bool        Abc_NtkIsNetlist( Abc_Ntk_t * pNtk )       { return pNtk->ntkType == ABC_NTK_NETLIST;     }
static inline bool        Abc_NtkIsLogic( Abc_Ntk_t * pNtk )         { return pNtk->ntkType == ABC_NTK_LOGIC;       }
static inline bool        Abc_NtkIsStrash( Abc_Ntk_t * pNtk )        { return pNtk->ntkType == ABC_NTK_STRASH;      }

static inline bool        Abc_NtkHasSop( Abc_Ntk_t * pNtk )          { return pNtk->ntkFunc == ABC_FUNC_SOP;        }
static inline bool        Abc_NtkHasBdd( Abc_Ntk_t * pNtk )          { return pNtk->ntkFunc == ABC_FUNC_BDD;        }
static inline bool        Abc_NtkHasAig( Abc_Ntk_t * pNtk )          { return pNtk->ntkFunc == ABC_FUNC_AIG;        }
static inline bool        Abc_NtkHasMapping( Abc_Ntk_t * pNtk )      { return pNtk->ntkFunc == ABC_FUNC_MAP;        }
static inline bool        Abc_NtkHasBlifMv( Abc_Ntk_t * pNtk )       { return pNtk->ntkFunc == ABC_FUNC_BLIFMV;     }
static inline bool        Abc_NtkHasBlackbox( Abc_Ntk_t * pNtk )     { return pNtk->ntkFunc == ABC_FUNC_BLACKBOX;   }

static inline bool        Abc_NtkIsSopNetlist( Abc_Ntk_t * pNtk )    { return pNtk->ntkFunc == ABC_FUNC_SOP && pNtk->ntkType == ABC_NTK_NETLIST;  }
static inline bool        Abc_NtkIsAigNetlist( Abc_Ntk_t * pNtk )    { return pNtk->ntkFunc == ABC_FUNC_AIG && pNtk->ntkType == ABC_NTK_NETLIST;  }
static inline bool        Abc_NtkIsMappedNetlist( Abc_Ntk_t * pNtk ) { return pNtk->ntkFunc == ABC_FUNC_MAP && pNtk->ntkType == ABC_NTK_NETLIST;  }
static inline bool        Abc_NtkIsBlifMvNetlist( Abc_Ntk_t * pNtk ) { return pNtk->ntkFunc == ABC_FUNC_BLIFMV && pNtk->ntkType == ABC_NTK_NETLIST;  }
static inline bool        Abc_NtkIsSopLogic( Abc_Ntk_t * pNtk )      { return pNtk->ntkFunc == ABC_FUNC_SOP && pNtk->ntkType == ABC_NTK_LOGIC  ;  }
static inline bool        Abc_NtkIsBddLogic( Abc_Ntk_t * pNtk )      { return pNtk->ntkFunc == ABC_FUNC_BDD && pNtk->ntkType == ABC_NTK_LOGIC  ;  }
static inline bool        Abc_NtkIsAigLogic( Abc_Ntk_t * pNtk )      { return pNtk->ntkFunc == ABC_FUNC_AIG && pNtk->ntkType == ABC_NTK_LOGIC  ;  }
static inline bool        Abc_NtkIsMappedLogic( Abc_Ntk_t * pNtk )   { return pNtk->ntkFunc == ABC_FUNC_MAP && pNtk->ntkType == ABC_NTK_LOGIC  ;  }

// reading data members of the network
static inline char *      Abc_NtkName( Abc_Ntk_t * pNtk )            { return pNtk->pName;            }
static inline char *      Abc_NtkSpec( Abc_Ntk_t * pNtk )            { return pNtk->pSpec;            }
static inline int         Abc_NtkTravId( Abc_Ntk_t * pNtk )          { return pNtk->nTravIds;         }    
static inline Abc_Ntk_t * Abc_NtkExdc( Abc_Ntk_t * pNtk )            { return pNtk->pExdc;            }
static inline Abc_Ntk_t * Abc_NtkBackup( Abc_Ntk_t * pNtk )          { return pNtk->pNetBackup;       }
static inline int         Abc_NtkStep  ( Abc_Ntk_t * pNtk )          { return pNtk->iStep;            }

// setting data members of the network
static inline void        Abc_NtkSetName  ( Abc_Ntk_t * pNtk, char * pName )           { pNtk->pName      = pName;      } 
static inline void        Abc_NtkSetSpec  ( Abc_Ntk_t * pNtk, char * pName )           { pNtk->pSpec      = pName;      } 
static inline void        Abc_NtkSetBackup( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNetBackup ) { pNtk->pNetBackup = pNetBackup; }
static inline void        Abc_NtkSetStep  ( Abc_Ntk_t * pNtk, int iStep )              { pNtk->iStep      = iStep;      }

// getting the number of objects 
static inline int         Abc_NtkObjNum( Abc_Ntk_t * pNtk )          { return pNtk->nObjs;                        }
static inline int         Abc_NtkObjNumMax( Abc_Ntk_t * pNtk )       { return Vec_PtrSize(pNtk->vObjs);           }
static inline int         Abc_NtkPiNum( Abc_Ntk_t * pNtk )           { return Vec_PtrSize(pNtk->vPis);            }
static inline int         Abc_NtkPoNum( Abc_Ntk_t * pNtk )           { return Vec_PtrSize(pNtk->vPos);            }
static inline int         Abc_NtkCiNum( Abc_Ntk_t * pNtk )           { return Vec_PtrSize(pNtk->vCis);            }
static inline int         Abc_NtkCoNum( Abc_Ntk_t * pNtk )           { return Vec_PtrSize(pNtk->vCos);            }
static inline int         Abc_NtkAssertNum( Abc_Ntk_t * pNtk )       { return Vec_PtrSize(pNtk->vAsserts);        }
static inline int         Abc_NtkBoxNum( Abc_Ntk_t * pNtk )          { return Vec_PtrSize(pNtk->vBoxes);          }
static inline int         Abc_NtkBiNum( Abc_Ntk_t * pNtk )           { return pNtk->nObjCounts[ABC_OBJ_BI];       }
static inline int         Abc_NtkBoNum( Abc_Ntk_t * pNtk )           { return pNtk->nObjCounts[ABC_OBJ_BO];       }
static inline int         Abc_NtkNetNum( Abc_Ntk_t * pNtk )          { return pNtk->nObjCounts[ABC_OBJ_NET];      }
static inline int         Abc_NtkNodeNum( Abc_Ntk_t * pNtk )         { return pNtk->nObjCounts[ABC_OBJ_NODE];     }
static inline int         Abc_NtkLatchNum( Abc_Ntk_t * pNtk )        { return pNtk->nObjCounts[ABC_OBJ_LATCH];    }
static inline int         Abc_NtkWhiteboxNum( Abc_Ntk_t * pNtk )     { return pNtk->nObjCounts[ABC_OBJ_WHITEBOX]; }
static inline int         Abc_NtkBlackboxNum( Abc_Ntk_t * pNtk )     { return pNtk->nObjCounts[ABC_OBJ_BLACKBOX]; }
static inline bool        Abc_NtkIsComb( Abc_Ntk_t * pNtk )          { return Abc_NtkLatchNum(pNtk) == 0;                   }
static inline bool        Abc_NtkHasOnlyLatchBoxes(Abc_Ntk_t * pNtk ){ return Abc_NtkLatchNum(pNtk) == Abc_NtkBoxNum(pNtk); }

// creating simple objects
extern inline Abc_Obj_t * Abc_NtkCreateObj( Abc_Ntk_t * pNtk, Abc_ObjType_t Type );
static inline Abc_Obj_t * Abc_NtkCreatePi( Abc_Ntk_t * pNtk )        { return Abc_NtkCreateObj( pNtk, ABC_OBJ_PI );         }
static inline Abc_Obj_t * Abc_NtkCreatePo( Abc_Ntk_t * pNtk )        { return Abc_NtkCreateObj( pNtk, ABC_OBJ_PO );         }
static inline Abc_Obj_t * Abc_NtkCreateBi( Abc_Ntk_t * pNtk )        { return Abc_NtkCreateObj( pNtk, ABC_OBJ_BI );         }
static inline Abc_Obj_t * Abc_NtkCreateBo( Abc_Ntk_t * pNtk )        { return Abc_NtkCreateObj( pNtk, ABC_OBJ_BO );         }
static inline Abc_Obj_t * Abc_NtkCreateAssert( Abc_Ntk_t * pNtk )    { return Abc_NtkCreateObj( pNtk, ABC_OBJ_ASSERT );     }
static inline Abc_Obj_t * Abc_NtkCreateNet( Abc_Ntk_t * pNtk )       { return Abc_NtkCreateObj( pNtk, ABC_OBJ_NET );        }
static inline Abc_Obj_t * Abc_NtkCreateNode( Abc_Ntk_t * pNtk )      { return Abc_NtkCreateObj( pNtk, ABC_OBJ_NODE );       }
static inline Abc_Obj_t * Abc_NtkCreateLatch( Abc_Ntk_t * pNtk )     { return Abc_NtkCreateObj( pNtk, ABC_OBJ_LATCH );      }
static inline Abc_Obj_t * Abc_NtkCreateWhitebox( Abc_Ntk_t * pNtk )  { return Abc_NtkCreateObj( pNtk, ABC_OBJ_WHITEBOX );   }
static inline Abc_Obj_t * Abc_NtkCreateBlackbox( Abc_Ntk_t * pNtk )  { return Abc_NtkCreateObj( pNtk, ABC_OBJ_BLACKBOX );   }

// reading objects
static inline Abc_Obj_t * Abc_NtkObj( Abc_Ntk_t * pNtk, int i )      { return (Abc_Obj_t *)Vec_PtrEntry( pNtk->vObjs, i );   }
static inline Abc_Obj_t * Abc_NtkPi( Abc_Ntk_t * pNtk, int i )       { return (Abc_Obj_t *)Vec_PtrEntry( pNtk->vPis, i );    }
static inline Abc_Obj_t * Abc_NtkPo( Abc_Ntk_t * pNtk, int i )       { return (Abc_Obj_t *)Vec_PtrEntry( pNtk->vPos, i );    }
static inline Abc_Obj_t * Abc_NtkCi( Abc_Ntk_t * pNtk, int i )       { return (Abc_Obj_t *)Vec_PtrEntry( pNtk->vCis, i );    }
static inline Abc_Obj_t * Abc_NtkCo( Abc_Ntk_t * pNtk, int i )       { return (Abc_Obj_t *)Vec_PtrEntry( pNtk->vCos, i );    }
static inline Abc_Obj_t * Abc_NtkAssert( Abc_Ntk_t * pNtk, int i )   { return (Abc_Obj_t *)Vec_PtrEntry( pNtk->vAsserts, i );}
static inline Abc_Obj_t * Abc_NtkBox( Abc_Ntk_t * pNtk, int i )      { return (Abc_Obj_t *)Vec_PtrEntry( pNtk->vBoxes, i );  }

// working with complemented attributes of objects
static inline bool        Abc_ObjIsComplement( Abc_Obj_t * p )       { return (bool)((unsigned long)p & (unsigned long)01);             }
static inline Abc_Obj_t * Abc_ObjRegular( Abc_Obj_t * p )            { return (Abc_Obj_t *)((unsigned long)p & ~(unsigned long)01);     }
static inline Abc_Obj_t * Abc_ObjNot( Abc_Obj_t * p )                { return (Abc_Obj_t *)((unsigned long)p ^  (unsigned long)01);     }
static inline Abc_Obj_t * Abc_ObjNotCond( Abc_Obj_t * p, int c )     { return (Abc_Obj_t *)((unsigned long)p ^  (unsigned long)(c!=0)); }

// reading data members of the object
static inline unsigned    Abc_ObjType( Abc_Obj_t * pObj )            { return pObj->Type;               }
static inline unsigned    Abc_ObjId( Abc_Obj_t * pObj )              { return pObj->Id;                 }
static inline int         Abc_ObjTravId( Abc_Obj_t * pObj )          { return pObj->TravId;             }
static inline int         Abc_ObjLevel( Abc_Obj_t * pObj )           { return pObj->Level;              }
static inline Vec_Int_t * Abc_ObjFaninVec( Abc_Obj_t * pObj )        { return &pObj->vFanins;           }
static inline Vec_Int_t * Abc_ObjFanoutVec( Abc_Obj_t * pObj )       { return &pObj->vFanouts;          }
static inline Abc_Obj_t * Abc_ObjCopy( Abc_Obj_t * pObj )            { return pObj->pCopy;              }
static inline Abc_Ntk_t * Abc_ObjNtk( Abc_Obj_t * pObj )             { return pObj->pNtk;               }
static inline void *      Abc_ObjData( Abc_Obj_t * pObj )            { return pObj->pData;              }
static inline Hop_Obj_t * Abc_ObjEquiv( Abc_Obj_t * pObj )           { return pObj->pEquiv;             }
static inline Abc_Obj_t * Abc_ObjCopyCond( Abc_Obj_t * pObj )        { return Abc_ObjRegular(pObj)->pCopy? Abc_ObjNotCond(Abc_ObjRegular(pObj)->pCopy, Abc_ObjIsComplement(pObj)) : NULL;  }

// setting data members of the network
static inline void        Abc_ObjSetCopy( Abc_Obj_t * pObj, Abc_Obj_t * pCopy )  { pObj->pCopy =  pCopy;    } 
static inline void        Abc_ObjSetData( Abc_Obj_t * pObj, void * pData )       { pObj->pData =  pData;    } 

// checking the object type
static inline bool        Abc_ObjIsPio( Abc_Obj_t * pObj )           { return pObj->Type == ABC_OBJ_PIO;     }
static inline bool        Abc_ObjIsPi( Abc_Obj_t * pObj )            { return pObj->Type == ABC_OBJ_PI;      }
static inline bool        Abc_ObjIsPo( Abc_Obj_t * pObj )            { return pObj->Type == ABC_OBJ_PO;      }
static inline bool        Abc_ObjIsBi( Abc_Obj_t * pObj )            { return pObj->Type == ABC_OBJ_BI;      }
static inline bool        Abc_ObjIsBo( Abc_Obj_t * pObj )            { return pObj->Type == ABC_OBJ_BO;      }
static inline bool        Abc_ObjIsAssert( Abc_Obj_t * pObj )        { return pObj->Type == ABC_OBJ_ASSERT;  }
static inline bool        Abc_ObjIsCi( Abc_Obj_t * pObj )            { return pObj->Type == ABC_OBJ_PI || pObj->Type == ABC_OBJ_BO; }
static inline bool        Abc_ObjIsCo( Abc_Obj_t * pObj )            { return pObj->Type == ABC_OBJ_PO || pObj->Type == ABC_OBJ_BI || pObj->Type == ABC_OBJ_ASSERT; }
static inline bool        Abc_ObjIsTerm( Abc_Obj_t * pObj )          { return Abc_ObjIsCi(pObj) || Abc_ObjIsCo(pObj); }
static inline bool        Abc_ObjIsNet( Abc_Obj_t * pObj )           { return pObj->Type == ABC_OBJ_NET;     }
static inline bool        Abc_ObjIsNode( Abc_Obj_t * pObj )          { return pObj->Type == ABC_OBJ_NODE;    }
static inline bool        Abc_ObjIsLatch( Abc_Obj_t * pObj )         { return pObj->Type == ABC_OBJ_LATCH;   }
static inline bool        Abc_ObjIsBox( Abc_Obj_t * pObj )           { return pObj->Type == ABC_OBJ_LATCH || pObj->Type == ABC_OBJ_WHITEBOX || pObj->Type == ABC_OBJ_BLACKBOX; }
static inline bool        Abc_ObjIsWhitebox( Abc_Obj_t * pObj )      { return pObj->Type == ABC_OBJ_WHITEBOX;}
static inline bool        Abc_ObjIsBlackbox( Abc_Obj_t * pObj )      { return pObj->Type == ABC_OBJ_BLACKBOX;}
static inline void        Abc_ObjBlackboxToWhitebox( Abc_Obj_t * pObj ) { assert( Abc_ObjIsBlackbox(pObj) ); pObj->Type = ABC_OBJ_WHITEBOX; pObj->pNtk->nObjCounts[ABC_OBJ_BLACKBOX]--; pObj->pNtk->nObjCounts[ABC_OBJ_WHITEBOX]++; }

// working with fanin/fanout edges
static inline int         Abc_ObjFaninNum( Abc_Obj_t * pObj )        { return pObj->vFanins.nSize;     }
static inline int         Abc_ObjFanoutNum( Abc_Obj_t * pObj )       { return pObj->vFanouts.nSize;    }
static inline int         Abc_ObjFaninId( Abc_Obj_t * pObj, int i)   { return pObj->vFanins.pArray[i]; }
static inline int         Abc_ObjFaninId0( Abc_Obj_t * pObj )        { return pObj->vFanins.pArray[0]; }
static inline int         Abc_ObjFaninId1( Abc_Obj_t * pObj )        { return pObj->vFanins.pArray[1]; }
static inline int         Abc_ObjFanoutEdgeNum( Abc_Obj_t * pObj, Abc_Obj_t * pFanout )  { assert( Abc_NtkHasAig(pObj->pNtk) );  if ( Abc_ObjFaninId0(pFanout) == pObj->Id ) return 0; if ( Abc_ObjFaninId1(pFanout) == pObj->Id ) return 1; assert( 0 ); return -1;  }
static inline Abc_Obj_t * Abc_ObjFanout( Abc_Obj_t * pObj, int i )   { return (Abc_Obj_t *)pObj->pNtk->vObjs->pArray[ pObj->vFanouts.pArray[i] ];  }
static inline Abc_Obj_t * Abc_ObjFanout0( Abc_Obj_t * pObj )         { return (Abc_Obj_t *)pObj->pNtk->vObjs->pArray[ pObj->vFanouts.pArray[0] ];  }
static inline Abc_Obj_t * Abc_ObjFanin( Abc_Obj_t * pObj, int i )    { return (Abc_Obj_t *)pObj->pNtk->vObjs->pArray[ pObj->vFanins.pArray[i] ];   }
static inline Abc_Obj_t * Abc_ObjFanin0( Abc_Obj_t * pObj )          { return (Abc_Obj_t *)pObj->pNtk->vObjs->pArray[ pObj->vFanins.pArray[0] ];   }
static inline Abc_Obj_t * Abc_ObjFanin1( Abc_Obj_t * pObj )          { return (Abc_Obj_t *)pObj->pNtk->vObjs->pArray[ pObj->vFanins.pArray[1] ];   }
static inline Abc_Obj_t * Abc_ObjFanin0Ntk( Abc_Obj_t * pObj )       { return (Abc_NtkIsNetlist(pObj->pNtk)? Abc_ObjFanin0(pObj)  : pObj);  }
static inline Abc_Obj_t * Abc_ObjFanout0Ntk( Abc_Obj_t * pObj )      { return (Abc_NtkIsNetlist(pObj->pNtk)? Abc_ObjFanout0(pObj) : pObj);  }
static inline bool        Abc_ObjFaninC0( Abc_Obj_t * pObj )         { return pObj->fCompl0;                                                }
static inline bool        Abc_ObjFaninC1( Abc_Obj_t * pObj )         { return pObj->fCompl1;                                                }
static inline bool        Abc_ObjFaninC( Abc_Obj_t * pObj, int i )   { assert( i >=0 && i < 2 ); return i? pObj->fCompl1 : pObj->fCompl0;   }
static inline void        Abc_ObjSetFaninC( Abc_Obj_t * pObj, int i ){ assert( i >=0 && i < 2 ); if ( i ) pObj->fCompl1 = 1; else pObj->fCompl0 = 1; }
static inline void        Abc_ObjXorFaninC( Abc_Obj_t * pObj, int i ){ assert( i >=0 && i < 2 ); if ( i ) pObj->fCompl1^= 1; else pObj->fCompl0^= 1; }
static inline Abc_Obj_t * Abc_ObjChild( Abc_Obj_t * pObj, int i )    { return Abc_ObjNotCond( Abc_ObjFanin(pObj,i), Abc_ObjFaninC(pObj,i) );}
static inline Abc_Obj_t * Abc_ObjChild0( Abc_Obj_t * pObj )          { return Abc_ObjNotCond( Abc_ObjFanin0(pObj), Abc_ObjFaninC0(pObj) );  }
static inline Abc_Obj_t * Abc_ObjChild1( Abc_Obj_t * pObj )          { return Abc_ObjNotCond( Abc_ObjFanin1(pObj), Abc_ObjFaninC1(pObj) );  }
static inline Abc_Obj_t * Abc_ObjChildCopy( Abc_Obj_t * pObj, int i ){ return Abc_ObjNotCond( Abc_ObjFanin(pObj,i)->pCopy, Abc_ObjFaninC(pObj,i) );  }
static inline Abc_Obj_t * Abc_ObjChild0Copy( Abc_Obj_t * pObj )      { return Abc_ObjNotCond( Abc_ObjFanin0(pObj)->pCopy, Abc_ObjFaninC0(pObj) );    }
static inline Abc_Obj_t * Abc_ObjChild1Copy( Abc_Obj_t * pObj )      { return Abc_ObjNotCond( Abc_ObjFanin1(pObj)->pCopy, Abc_ObjFaninC1(pObj) );    }
static inline Abc_Obj_t * Abc_ObjChild0Data( Abc_Obj_t * pObj )      { return Abc_ObjNotCond( Abc_ObjFanin0(pObj)->pData, Abc_ObjFaninC0(pObj) );    }
static inline Abc_Obj_t * Abc_ObjChild1Data( Abc_Obj_t * pObj )      { return Abc_ObjNotCond( Abc_ObjFanin1(pObj)->pData, Abc_ObjFaninC1(pObj) );    }
static inline Hop_Obj_t * Abc_ObjChild0Equiv( Abc_Obj_t * pObj )     { return Hop_NotCond( Abc_ObjFanin0(pObj)->pEquiv, Abc_ObjFaninC0(pObj) );      }
static inline Hop_Obj_t * Abc_ObjChild1Equiv( Abc_Obj_t * pObj )     { return Hop_NotCond( Abc_ObjFanin1(pObj)->pEquiv, Abc_ObjFaninC1(pObj) );      }

// checking the AIG node types
static inline bool        Abc_AigNodeIsConst( Abc_Obj_t * pNode )    { assert(Abc_NtkIsStrash(Abc_ObjRegular(pNode)->pNtk));  return Abc_ObjRegular(pNode)->Type == ABC_OBJ_CONST1;       }
static inline bool        Abc_AigNodeIsAnd( Abc_Obj_t * pNode )      { assert(!Abc_ObjIsComplement(pNode)); assert(Abc_NtkIsStrash(pNode->pNtk)); return Abc_ObjFaninNum(pNode) == 2;                         }
static inline bool        Abc_AigNodeIsChoice( Abc_Obj_t * pNode )   { assert(!Abc_ObjIsComplement(pNode)); assert(Abc_NtkIsStrash(pNode->pNtk)); return pNode->pData != NULL && Abc_ObjFanoutNum(pNode) > 0; }

// handling persistent nodes
static inline int         Abc_NodeIsPersistant( Abc_Obj_t * pNode )    { assert( Abc_AigNodeIsAnd(pNode) ); return pNode->fPersist; } 
static inline void        Abc_NodeSetPersistant( Abc_Obj_t * pNode )   { assert( Abc_AigNodeIsAnd(pNode) ); pNode->fPersist = 1;    } 
static inline void        Abc_NodeClearPersistant( Abc_Obj_t * pNode ) { assert( Abc_AigNodeIsAnd(pNode) ); pNode->fPersist = 0;    } 

// working with the traversal ID
static inline void        Abc_NodeSetTravId( Abc_Obj_t * pNode, int TravId ) { pNode->TravId = TravId;                                    }
static inline void        Abc_NodeSetTravIdCurrent( Abc_Obj_t * pNode )      { pNode->TravId = pNode->pNtk->nTravIds;                     }
static inline void        Abc_NodeSetTravIdPrevious( Abc_Obj_t * pNode )     { pNode->TravId = pNode->pNtk->nTravIds - 1;                 }
static inline bool        Abc_NodeIsTravIdCurrent( Abc_Obj_t * pNode )       { return (bool)(pNode->TravId == pNode->pNtk->nTravIds);     }
static inline bool        Abc_NodeIsTravIdPrevious( Abc_Obj_t * pNode )      { return (bool)(pNode->TravId == pNode->pNtk->nTravIds - 1); }

// checking initial state of the latches
static inline void        Abc_LatchSetInitNone( Abc_Obj_t * pLatch ) { assert(Abc_ObjIsLatch(pLatch)); pLatch->pData = (void *)ABC_INIT_NONE;         }
static inline void        Abc_LatchSetInit0( Abc_Obj_t * pLatch )    { assert(Abc_ObjIsLatch(pLatch)); pLatch->pData = (void *)ABC_INIT_ZERO;         }
static inline void        Abc_LatchSetInit1( Abc_Obj_t * pLatch )    { assert(Abc_ObjIsLatch(pLatch)); pLatch->pData = (void *)ABC_INIT_ONE;          }
static inline void        Abc_LatchSetInitDc( Abc_Obj_t * pLatch )   { assert(Abc_ObjIsLatch(pLatch)); pLatch->pData = (void *)ABC_INIT_DC;           }
static inline bool        Abc_LatchIsInitNone( Abc_Obj_t * pLatch )  { assert(Abc_ObjIsLatch(pLatch)); return pLatch->pData == (void *)ABC_INIT_NONE; }
static inline bool        Abc_LatchIsInit0( Abc_Obj_t * pLatch )     { assert(Abc_ObjIsLatch(pLatch)); return pLatch->pData == (void *)ABC_INIT_ZERO; }
static inline bool        Abc_LatchIsInit1( Abc_Obj_t * pLatch )     { assert(Abc_ObjIsLatch(pLatch)); return pLatch->pData == (void *)ABC_INIT_ONE;  }
static inline bool        Abc_LatchIsInitDc( Abc_Obj_t * pLatch )    { assert(Abc_ObjIsLatch(pLatch)); return pLatch->pData == (void *)ABC_INIT_DC;   }
static inline int         Abc_LatchInit( Abc_Obj_t * pLatch )        { assert(Abc_ObjIsLatch(pLatch)); return (int)pLatch->pData;                     }

// global BDDs of the nodes
static inline void *      Abc_NtkGlobalBdd( Abc_Ntk_t * pNtk )          { return (void *)Vec_PtrEntry(pNtk->vAttrs, VEC_ATTR_GLOBAL_BDD);             }
static inline DdManager * Abc_NtkGlobalBddMan( Abc_Ntk_t * pNtk )       { return (DdManager *)Vec_AttMan( Abc_NtkGlobalBdd(pNtk) );                   }
static inline DdNode **   Abc_NtkGlobalBddArray( Abc_Ntk_t * pNtk )     { return (DdNode **)Vec_AttArray( Abc_NtkGlobalBdd(pNtk) );                   }
static inline DdNode *    Abc_ObjGlobalBdd( Abc_Obj_t * pObj )          { return (DdNode *)Vec_AttEntry( Abc_NtkGlobalBdd(pObj->pNtk), pObj->Id );    }
static inline void        Abc_ObjSetGlobalBdd( Abc_Obj_t * pObj, DdNode * bF )   { Vec_AttWriteEntry( Abc_NtkGlobalBdd(pObj->pNtk), pObj->Id, bF );   }

// MV variables of the nodes
static inline void *      Abc_NtkMvVar( Abc_Ntk_t * pNtk )              { return Vec_PtrEntry(pNtk->vAttrs, VEC_ATTR_MVVAR);                          }
static inline void *      Abc_NtkMvVarMan( Abc_Ntk_t * pNtk )           { return Abc_NtkMvVar(pNtk)? Vec_AttMan( Abc_NtkMvVar(pNtk) ) : NULL;         }
static inline void *      Abc_ObjMvVar( Abc_Obj_t * pObj )              { return Abc_NtkMvVar(pObj->pNtk)? Vec_AttEntry( Abc_NtkMvVar(pObj->pNtk), pObj->Id ) : NULL; }
static inline int         Abc_ObjMvVarNum( Abc_Obj_t * pObj )           { return (Abc_NtkMvVar(pObj->pNtk) && Abc_ObjMvVar(pObj))? *((int*)Abc_ObjMvVar(pObj)) : 2;   }
static inline void        Abc_ObjSetMvVar( Abc_Obj_t * pObj, void * pV) { Vec_AttWriteEntry( Abc_NtkMvVar(pObj->pNtk), pObj->Id, pV );                }

// outputs the runtime in seconds
#define PRT(a,t)  printf("%s = ", (a)); printf("%6.2f sec\n", (float)(t)/(float)(CLOCKS_PER_SEC))

////////////////////////////////////////////////////////////////////////
///                        ITERATORS                                 ///
////////////////////////////////////////////////////////////////////////

// objects of the network
#define Abc_NtkForEachObj( pNtk, pObj, i )                                                         \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vObjs)) && (((pObj) = Abc_NtkObj(pNtk, i)), 1); i++ )    \
        if ( (pObj) == NULL ) {} else
#define Abc_NtkForEachNet( pNtk, pNet, i )                                                         \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vObjs)) && (((pNet) = Abc_NtkObj(pNtk, i)), 1); i++ )    \
        if ( (pNet) == NULL || !Abc_ObjIsNet(pNet) ) {} else
#define Abc_NtkForEachNode( pNtk, pNode, i )                                                       \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vObjs)) && (((pNode) = Abc_NtkObj(pNtk, i)), 1); i++ )   \
        if ( (pNode) == NULL || !Abc_ObjIsNode(pNode) ) {} else
#define Abc_NtkForEachGate( pNtk, pNode, i )                                                       \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vObjs)) && (((pNode) = Abc_NtkObj(pNtk, i)), 1); i++ )   \
        if ( (pNode) == NULL || !Abc_ObjIsGate(pNode) ) {} else
#define Abc_AigForEachAnd( pNtk, pNode, i )                                                        \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vObjs)) && (((pNode) = Abc_NtkObj(pNtk, i)), 1); i++ )   \
        if ( (pNode) == NULL || !Abc_AigNodeIsAnd(pNode) ) {} else
// various boxes
#define Abc_NtkForEachBox( pNtk, pObj, i )                                                         \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vBoxes)) && (((pObj) = Abc_NtkBox(pNtk, i)), 1); i++ )
#define Abc_NtkForEachLatch( pNtk, pObj, i )                                                       \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vBoxes)) && (((pObj) = Abc_NtkBox(pNtk, i)), 1); i++ )   \
        if ( !Abc_ObjIsLatch(pObj) ) {} else
#define Abc_NtkForEachLatchInput( pNtk, pObj, i )                                                  \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vBoxes)); i++ )                                          \
        if ( !(Abc_ObjIsLatch(Abc_NtkBox(pNtk, i)) && (((pObj) = Abc_ObjFanin0(Abc_NtkBox(pNtk, i))), 1)) ) {} else
#define Abc_NtkForEachLatchOutput( pNtk, pObj, i )                                                 \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vBoxes)); i++ )                                          \
        if ( !(Abc_ObjIsLatch(Abc_NtkBox(pNtk, i)) && (((pObj) = Abc_ObjFanout0(Abc_NtkBox(pNtk, i))), 1)) ) {} else
#define Abc_NtkForEachWhitebox( pNtk, pObj, i )                                                    \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vBoxes)) && (((pObj) = Abc_NtkBox(pNtk, i)), 1); i++ )   \
        if ( !Abc_ObjIsWhitebox(pObj) ) {} else
#define Abc_NtkForEachBlackbox( pNtk, pObj, i )                                                    \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vBoxes)) && (((pObj) = Abc_NtkBox(pNtk, i)), 1); i++ )   \
        if ( !Abc_ObjIsBlackbox(pObj) ) {} else
// inputs and outputs
#define Abc_NtkForEachPi( pNtk, pPi, i )                                                           \
    for ( i = 0; (i < Abc_NtkPiNum(pNtk)) && (((pPi) = Abc_NtkPi(pNtk, i)), 1); i++ )
#define Abc_NtkForEachCi( pNtk, pCi, i )                                                           \
    for ( i = 0; (i < Abc_NtkCiNum(pNtk)) && (((pCi) = Abc_NtkCi(pNtk, i)), 1); i++ )
#define Abc_NtkForEachPo( pNtk, pPo, i )                                                           \
    for ( i = 0; (i < Abc_NtkPoNum(pNtk)) && (((pPo) = Abc_NtkPo(pNtk, i)), 1); i++ )
#define Abc_NtkForEachCo( pNtk, pCo, i )                                                           \
    for ( i = 0; (i < Abc_NtkCoNum(pNtk)) && (((pCo) = Abc_NtkCo(pNtk, i)), 1); i++ )
#define Abc_NtkForEachAssert( pNtk, pObj, i )                                                      \
    for ( i = 0; (i < Vec_PtrSize((pNtk)->vAsserts)) && (((pObj) = Abc_NtkAssert(pNtk, i)), 1); i++ )
// fanin and fanouts
#define Abc_ObjForEachFanin( pObj, pFanin, i )                                                     \
    for ( i = 0; (i < Abc_ObjFaninNum(pObj)) && (((pFanin) = Abc_ObjFanin(pObj, i)), 1); i++ )
#define Abc_ObjForEachFanout( pObj, pFanout, i )                                                   \
    for ( i = 0; (i < Abc_ObjFanoutNum(pObj)) && (((pFanout) = Abc_ObjFanout(pObj, i)), 1); i++ )
// cubes and literals
#define Abc_SopForEachCube( pSop, nFanins, pCube )                                                 \
    for ( pCube = (pSop); *pCube; pCube += (nFanins) + 3 )
#define Abc_CubeForEachVar( pCube, Value, i )                                                      \
    for ( i = 0; (pCube[i] != ' ') && (Value = pCube[i]); i++ )           


////////////////////////////////////////////////////////////////////////
///                    FUNCTION DECLARATIONS                         ///
////////////////////////////////////////////////////////////////////////

/*=== abcAig.c ==========================================================*/
extern Abc_Aig_t *        Abc_AigAlloc( Abc_Ntk_t * pNtk );
extern void               Abc_AigFree( Abc_Aig_t * pMan );
extern int                Abc_AigCleanup( Abc_Aig_t * pMan );
extern bool               Abc_AigCheck( Abc_Aig_t * pMan );
extern int                Abc_AigLevel( Abc_Ntk_t * pNtk );
extern Abc_Obj_t *        Abc_AigConst1( Abc_Ntk_t * pNtk );
extern Abc_Obj_t *        Abc_AigAnd( Abc_Aig_t * pMan, Abc_Obj_t * p0, Abc_Obj_t * p1 );
extern Abc_Obj_t *        Abc_AigAndLookup( Abc_Aig_t * pMan, Abc_Obj_t * p0, Abc_Obj_t * p1 );
extern Abc_Obj_t *        Abc_AigXorLookup( Abc_Aig_t * pMan, Abc_Obj_t * p0, Abc_Obj_t * p1, int * pType );
extern Abc_Obj_t *        Abc_AigMuxLookup( Abc_Aig_t * pMan, Abc_Obj_t * pC, Abc_Obj_t * pT, Abc_Obj_t * pE, int * pType );
extern Abc_Obj_t *        Abc_AigOr( Abc_Aig_t * pMan, Abc_Obj_t * p0, Abc_Obj_t * p1 );
extern Abc_Obj_t *        Abc_AigXor( Abc_Aig_t * pMan, Abc_Obj_t * p0, Abc_Obj_t * p1 );
extern Abc_Obj_t *        Abc_AigMiter( Abc_Aig_t * pMan, Vec_Ptr_t * vPairs );
extern void               Abc_AigReplace( Abc_Aig_t * pMan, Abc_Obj_t * pOld, Abc_Obj_t * pNew, bool fUpdateLevel );
extern void               Abc_AigDeleteNode( Abc_Aig_t * pMan, Abc_Obj_t * pOld );
extern void               Abc_AigRehash( Abc_Aig_t * pMan );
extern bool               Abc_AigNodeHasComplFanoutEdge( Abc_Obj_t * pNode );
extern bool               Abc_AigNodeHasComplFanoutEdgeTrav( Abc_Obj_t * pNode );
extern void               Abc_AigPrintNode( Abc_Obj_t * pNode );
extern bool               Abc_AigNodeIsAcyclic( Abc_Obj_t * pNode, Abc_Obj_t * pRoot );
extern void               Abc_AigCheckFaninOrder( Abc_Aig_t * pMan );
extern void               Abc_AigSetNodePhases( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_AigUpdateStart( Abc_Aig_t * pMan, Vec_Ptr_t ** pvUpdatedNets );
extern void               Abc_AigUpdateStop( Abc_Aig_t * pMan );
extern void               Abc_AigUpdateReset( Abc_Aig_t * pMan );
/*=== abcAttach.c ==========================================================*/
extern int                Abc_NtkAttach( Abc_Ntk_t * pNtk );
/*=== abcBlifMv.c ==========================================================*/
extern void               Abc_NtkStartMvVars( Abc_Ntk_t * pNtk );
extern void               Abc_NtkFreeMvVars( Abc_Ntk_t * pNtk );
extern void               Abc_NtkSetMvVarValues( Abc_Obj_t * pObj, int nValues );
extern Abc_Ntk_t *        Abc_NtkStrashBlifMv( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkInsertBlifMv( Abc_Ntk_t * pNtkBase, Abc_Ntk_t * pNtkLogic );
extern int                Abc_NtkConvertToBlifMv( Abc_Ntk_t * pNtk );
extern char *             Abc_NodeConvertSopToMvSop( int nVars, Vec_Int_t * vSop0, Vec_Int_t * vSop1 );
extern int                Abc_NodeEvalMvCost( int nVars, Vec_Int_t * vSop0, Vec_Int_t * vSop1 );
/*=== abcBalance.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkBalance( Abc_Ntk_t * pNtk, bool fDuplicate, bool fSelective, bool fUpdateLevel );
/*=== abcCheck.c ==========================================================*/
extern bool               Abc_NtkCheck( Abc_Ntk_t * pNtk );
extern bool               Abc_NtkCheckRead( Abc_Ntk_t * pNtk );
extern bool               Abc_NtkDoCheck( Abc_Ntk_t * pNtk );
extern bool               Abc_NtkCheckObj( Abc_Ntk_t * pNtk, Abc_Obj_t * pObj );
extern bool               Abc_NtkCompareSignals( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int fOnlyPis, int fComb );
extern int                Abc_NtkIsAcyclicHierarchy( Abc_Ntk_t * pNtk );
extern int                Abc_NtkCheckUniqueCiNames( Abc_Ntk_t * pNtk );
extern int                Abc_NtkCheckUniqueCoNames( Abc_Ntk_t * pNtk );
extern int                Abc_NtkCheckUniqueCioNames( Abc_Ntk_t * pNtk );
/*=== abcCollapse.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkCollapse( Abc_Ntk_t * pNtk, int fBddSizeMax, int fDualRail, int fReorder, int fVerbose );
/*=== abcCut.c ==========================================================*/
extern void *             Abc_NodeGetCutsRecursive( void * p, Abc_Obj_t * pObj, int fDag, int fTree );
extern void *             Abc_NodeGetCuts( void * p, Abc_Obj_t * pObj, int fDag, int fTree );
extern void               Abc_NodeGetCutsSeq( void * p, Abc_Obj_t * pObj, int fFirst );
extern void *             Abc_NodeReadCuts( void * p, Abc_Obj_t * pObj );
extern void               Abc_NodeFreeCuts( void * p, Abc_Obj_t * pObj );
/*=== abcDfs.c ==========================================================*/
extern Vec_Ptr_t *        Abc_NtkDfs( Abc_Ntk_t * pNtk, int fCollectAll );
extern Vec_Ptr_t *        Abc_NtkDfsNodes( Abc_Ntk_t * pNtk, Abc_Obj_t ** ppNodes, int nNodes );
extern Vec_Ptr_t *        Abc_NtkDfsReverse( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_NtkDfsReverseNodes( Abc_Ntk_t * pNtk, Abc_Obj_t ** ppNodes, int nNodes );
extern Vec_Ptr_t *        Abc_NtkDfsSeq( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_NtkDfsSeqReverse( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_NtkDfsIter( Abc_Ntk_t * pNtk, int fCollectAll );
extern Vec_Ptr_t *        Abc_NtkDfsHie( Abc_Ntk_t * pNtk, int fCollectAll );
extern bool               Abc_NtkIsDfsOrdered( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_NtkSupport( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_NtkNodeSupport( Abc_Ntk_t * pNtk, Abc_Obj_t ** ppNodes, int nNodes );
extern Vec_Ptr_t *        Abc_AigDfs( Abc_Ntk_t * pNtk, int fCollectAll, int fCollectCos );
extern Vec_Vec_t *        Abc_DfsLevelized( Abc_Obj_t * pNode, bool fTfi );
extern int                Abc_NtkLevel( Abc_Ntk_t * pNtk );
extern int                Abc_NtkLevelReverse( Abc_Ntk_t * pNtk );
extern bool               Abc_NtkIsAcyclic( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_AigGetLevelizedOrder( Abc_Ntk_t * pNtk, int fCollectCis );
/*=== abcFanio.c ==========================================================*/
extern void               Abc_ObjAddFanin( Abc_Obj_t * pObj, Abc_Obj_t * pFanin );
extern void               Abc_ObjDeleteFanin( Abc_Obj_t * pObj, Abc_Obj_t * pFanin );
extern void               Abc_ObjRemoveFanins( Abc_Obj_t * pObj );
extern void               Abc_ObjPatchFanin( Abc_Obj_t * pObj, Abc_Obj_t * pFaninOld, Abc_Obj_t * pFaninNew );
extern Abc_Obj_t *        Abc_ObjInsertBetween( Abc_Obj_t * pNodeIn, Abc_Obj_t * pNodeOut, Abc_ObjType_t Type );
extern void               Abc_ObjTransferFanout( Abc_Obj_t * pObjOld, Abc_Obj_t * pObjNew );
extern void               Abc_ObjReplace( Abc_Obj_t * pObjOld, Abc_Obj_t * pObjNew );
extern int                Abc_ObjFanoutFaninNum( Abc_Obj_t * pFanout, Abc_Obj_t * pFanin );
/*=== abcFraig.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkFraig( Abc_Ntk_t * pNtk, void * pParams, int fAllNodes, int fExdc );
extern void *             Abc_NtkToFraig( Abc_Ntk_t * pNtk, void * pParams, int fAllNodes, int fExdc );
extern Abc_Ntk_t *        Abc_NtkFraigTrust( Abc_Ntk_t * pNtk );
extern int                Abc_NtkFraigStore( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkFraigRestore();
extern void               Abc_NtkFraigStoreClean();
/*=== abcFunc.c ==========================================================*/
extern int                Abc_NtkSopToBdd( Abc_Ntk_t * pNtk );
extern DdNode *           Abc_ConvertSopToBdd( DdManager * dd, char * pSop );
extern char *             Abc_ConvertBddToSop( Extra_MmFlex_t * pMan, DdManager * dd, DdNode * bFuncOn, DdNode * bFuncOnDc, int nFanins, int fAllPrimes, Vec_Str_t * vCube, int fMode );
extern int                Abc_NtkBddToSop( Abc_Ntk_t * pNtk, int fDirect );
extern void               Abc_NodeBddToCnf( Abc_Obj_t * pNode, Extra_MmFlex_t * pMmMan, Vec_Str_t * vCube, int fAllPrimes, char ** ppSop0, char ** ppSop1 );
extern int                Abc_CountZddCubes( DdManager * dd, DdNode * zCover );
extern void               Abc_NtkLogicMakeDirectSops( Abc_Ntk_t * pNtk );
extern int                Abc_NtkSopToAig( Abc_Ntk_t * pNtk );
extern int                Abc_NtkAigToBdd( Abc_Ntk_t * pNtk );
extern unsigned *         Abc_ConvertAigToTruth( Hop_Man_t * p, Hop_Obj_t * pRoot, int nVars, Vec_Int_t * vTruth, int fMsbFirst );
extern int                Abc_NtkMapToSop( Abc_Ntk_t * pNtk );
extern int                Abc_NtkToSop( Abc_Ntk_t * pNtk, int fDirect );
extern int                Abc_NtkToBdd( Abc_Ntk_t * pNtk );
extern int                Abc_NtkToAig( Abc_Ntk_t * pNtk );
/*=== abcHaig.c ==========================================================*/
extern int                Abc_NtkHaigStart( Abc_Ntk_t * pNtk );
extern int                Abc_NtkHaigStop( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkHaigUse( Abc_Ntk_t * pNtk );
/*=== abcHie.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkFlattenLogicHierarchy( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkConvertBlackboxes( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkInsertNewLogic( Abc_Ntk_t * pNtkH, Abc_Ntk_t * pNtkL );
/*=== abcLatch.c ==========================================================*/
extern bool               Abc_NtkLatchIsSelfFeed( Abc_Obj_t * pLatch );
extern int                Abc_NtkCountSelfFeedLatches( Abc_Ntk_t * pNtk );
extern int                Abc_NtkRemoveSelfFeedLatches( Abc_Ntk_t * pNtk );
extern Vec_Int_t *        Abc_NtkCollectLatchValues( Abc_Ntk_t * pNtk );
extern void               Abc_NtkInsertLatchValues( Abc_Ntk_t * pNtk, Vec_Int_t * vValues );
 /*=== abcLib.c ==========================================================*/
extern Abc_Lib_t *        Abc_LibCreate( char * pName );
extern void               Abc_LibFree( Abc_Lib_t * pLib, Abc_Ntk_t * pNtk );
extern void               Abc_LibPrint( Abc_Lib_t * pLib );
extern int                Abc_LibAddModel( Abc_Lib_t * pLib, Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_LibFindModelByName( Abc_Lib_t * pLib, char * pName );
extern int                Abc_LibFindTopLevelModels( Abc_Lib_t * pLib );
extern Abc_Ntk_t *        Abc_LibDeriveRoot( Abc_Lib_t * pLib );
/*=== abcMiter.c ==========================================================*/
extern int                Abc_NtkMinimumBase( Abc_Ntk_t * pNtk );
extern int                Abc_NodeMinimumBase( Abc_Obj_t * pNode );
extern int                Abc_NtkRemoveDupFanins( Abc_Ntk_t * pNtk );
extern int                Abc_NodeRemoveDupFanins( Abc_Obj_t * pNode );
/*=== abcMiter.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkMiter( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int fComb, int nPartSize );
extern void               Abc_NtkMiterAddCone( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkMiter, Abc_Obj_t * pNode );
extern Abc_Ntk_t *        Abc_NtkMiterAnd( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int fOr, int fCompl2 );
extern Abc_Ntk_t *        Abc_NtkMiterCofactor( Abc_Ntk_t * pNtk, Vec_Int_t * vPiValues );
extern Abc_Ntk_t *        Abc_NtkMiterForCofactors( Abc_Ntk_t * pNtk, int Out, int In1, int In2 );
extern Abc_Ntk_t *        Abc_NtkMiterQuantify( Abc_Ntk_t * pNtk, int In, int fExist );
extern Abc_Ntk_t *        Abc_NtkMiterQuantifyPis( Abc_Ntk_t * pNtk );
extern int                Abc_NtkMiterIsConstant( Abc_Ntk_t * pMiter );
extern void               Abc_NtkMiterReport( Abc_Ntk_t * pMiter );
extern Abc_Ntk_t *        Abc_NtkFrames( Abc_Ntk_t * pNtk, int nFrames, int fInitial );
/*=== abcObj.c ==========================================================*/
extern Abc_Obj_t *        Abc_ObjAlloc( Abc_Ntk_t * pNtk, Abc_ObjType_t Type );
extern void               Abc_ObjRecycle( Abc_Obj_t * pObj );
extern Abc_Obj_t *        Abc_NtkCreateObj( Abc_Ntk_t * pNtk, Abc_ObjType_t Type );
extern void               Abc_NtkDeleteObj( Abc_Obj_t * pObj );
extern void               Abc_NtkDeleteObj_rec( Abc_Obj_t * pObj, int fOnlyNodes );
extern void               Abc_NtkDeleteAll_rec( Abc_Obj_t * pObj );
extern Abc_Obj_t *        Abc_NtkDupObj( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pObj, int fCopyName );
extern Abc_Obj_t *        Abc_NtkDupBox( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pBox, int fCopyName );
extern Abc_Obj_t *        Abc_NtkCloneObj( Abc_Obj_t * pNode );
extern Abc_Obj_t *        Abc_NtkFindNode( Abc_Ntk_t * pNtk, char * pName );
extern Abc_Obj_t *        Abc_NtkFindNet( Abc_Ntk_t * pNtk, char * pName );
extern Abc_Obj_t *        Abc_NtkFindCi( Abc_Ntk_t * pNtk, char * pName );
extern Abc_Obj_t *        Abc_NtkFindCo( Abc_Ntk_t * pNtk, char * pName );
extern Abc_Obj_t *        Abc_NtkFindOrCreateNet( Abc_Ntk_t * pNtk, char * pName );
extern Abc_Obj_t *        Abc_NtkCreateNodeConst0( Abc_Ntk_t * pNtk );
extern Abc_Obj_t *        Abc_NtkCreateNodeConst1( Abc_Ntk_t * pNtk );
extern Abc_Obj_t *        Abc_NtkCreateNodeInv( Abc_Ntk_t * pNtk, Abc_Obj_t * pFanin );
extern Abc_Obj_t *        Abc_NtkCreateNodeBuf( Abc_Ntk_t * pNtk, Abc_Obj_t * pFanin );
extern Abc_Obj_t *        Abc_NtkCreateNodeAnd( Abc_Ntk_t * pNtk, Vec_Ptr_t * vFanins );
extern Abc_Obj_t *        Abc_NtkCreateNodeOr( Abc_Ntk_t * pNtk, Vec_Ptr_t * vFanins );
extern Abc_Obj_t *        Abc_NtkCreateNodeExor( Abc_Ntk_t * pNtk, Vec_Ptr_t * vFanins );
extern Abc_Obj_t *        Abc_NtkCreateNodeMux( Abc_Ntk_t * pNtk, Abc_Obj_t * pNodeC, Abc_Obj_t * pNode1, Abc_Obj_t * pNode0 );
extern bool               Abc_NodeIsConst( Abc_Obj_t * pNode );
extern bool               Abc_NodeIsConst0( Abc_Obj_t * pNode );    
extern bool               Abc_NodeIsConst1( Abc_Obj_t * pNode );    
extern bool               Abc_NodeIsBuf( Abc_Obj_t * pNode );    
extern bool               Abc_NodeIsInv( Abc_Obj_t * pNode );    
extern void               Abc_NodeComplement( Abc_Obj_t * pNode );
/*=== abcNames.c ====================================================*/
extern char *             Abc_ObjName( Abc_Obj_t * pNode );
extern char *             Abc_ObjAssignName( Abc_Obj_t * pObj, char * pName, char * pSuffix );
extern char *             Abc_ObjNameSuffix( Abc_Obj_t * pObj, char * pSuffix );
extern char *             Abc_ObjNameDummy( char * pPrefix, int Num, int nDigits );
extern void               Abc_NtkTrasferNames( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew );
extern void               Abc_NtkTrasferNamesNoLatches( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew );
extern Vec_Ptr_t *        Abc_NodeGetFaninNames( Abc_Obj_t * pNode );
extern Vec_Ptr_t *        Abc_NodeGetFakeNames( int nNames );
extern void               Abc_NodeFreeNames( Vec_Ptr_t * vNames );
extern char **            Abc_NtkCollectCioNames( Abc_Ntk_t * pNtk, int fCollectCos );
extern int                Abc_NodeCompareNames( Abc_Obj_t ** pp1, Abc_Obj_t ** pp2 );
extern void               Abc_NtkOrderObjsByName( Abc_Ntk_t * pNtk, int fComb );
extern void               Abc_NtkAddDummyPiNames( Abc_Ntk_t * pNtk );
extern void               Abc_NtkAddDummyPoNames( Abc_Ntk_t * pNtk );
extern void               Abc_NtkAddDummyAssertNames( Abc_Ntk_t * pNtk );
extern void               Abc_NtkAddDummyBoxNames( Abc_Ntk_t * pNtk );
extern void               Abc_NtkShortNames( Abc_Ntk_t * pNtk );
/*=== abcNetlist.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkToLogic( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkToNetlist( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkToNetlistBench( Abc_Ntk_t * pNtk );
/*=== abcNtbdd.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkDeriveFromBdd( DdManager * dd, DdNode * bFunc, char * pNamePo, Vec_Ptr_t * vNamesPi );
extern Abc_Ntk_t *        Abc_NtkBddToMuxes( Abc_Ntk_t * pNtk );
extern DdManager *        Abc_NtkBuildGlobalBdds( Abc_Ntk_t * pNtk, int fBddSizeMax, int fDropInternal, int fReorder, int fVerbose );
extern DdManager *        Abc_NtkFreeGlobalBdds( Abc_Ntk_t * pNtk, int fFreeMan );
extern int                Abc_NtkSizeOfGlobalBdds( Abc_Ntk_t * pNtk );
/*=== abcNtk.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkAlloc( Abc_NtkType_t Type, Abc_NtkFunc_t Func, int fUseMemMan );
extern Abc_Ntk_t *        Abc_NtkStartFrom( Abc_Ntk_t * pNtk, Abc_NtkType_t Type, Abc_NtkFunc_t Func );
extern Abc_Ntk_t *        Abc_NtkStartFromNoLatches( Abc_Ntk_t * pNtk, Abc_NtkType_t Type, Abc_NtkFunc_t Func );
extern void               Abc_NtkFinalize( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew );
extern Abc_Ntk_t *        Abc_NtkStartRead( char * pName );
extern void               Abc_NtkFinalizeRead( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkDup( Abc_Ntk_t * pNtk );
extern Abc_Ntk_t *        Abc_NtkCreateCone( Abc_Ntk_t * pNtk, Abc_Obj_t * pNode, char * pNodeName, int fUseAllCis );
extern Abc_Ntk_t *        Abc_NtkCreateMffc( Abc_Ntk_t * pNtk, Abc_Obj_t * pNode, char * pNodeName );
extern Abc_Ntk_t *        Abc_NtkCreateTarget( Abc_Ntk_t * pNtk, Vec_Ptr_t * vRoots, Vec_Int_t * vValues );
extern Abc_Ntk_t *        Abc_NtkCreateFromNode( Abc_Ntk_t * pNtk, Abc_Obj_t * pNode );
extern Abc_Ntk_t *        Abc_NtkCreateWithNode( char * pSop );
extern void               Abc_NtkDelete( Abc_Ntk_t * pNtk );
extern void               Abc_NtkFixNonDrivenNets( Abc_Ntk_t * pNtk );
extern void               Abc_NtkMakeComb( Abc_Ntk_t * pNtk );
/*=== abcPrint.c ==========================================================*/
extern void               Abc_NtkPrintStats( FILE * pFile, Abc_Ntk_t * pNtk, int fFactored );
extern void               Abc_NtkPrintIo( FILE * pFile, Abc_Ntk_t * pNtk );
extern void               Abc_NtkPrintLatch( FILE * pFile, Abc_Ntk_t * pNtk );
extern void               Abc_NtkPrintFanio( FILE * pFile, Abc_Ntk_t * pNtk );
extern void               Abc_NodePrintFanio( FILE * pFile, Abc_Obj_t * pNode );
extern void               Abc_NtkPrintFactor( FILE * pFile, Abc_Ntk_t * pNtk, int fUseRealNames );
extern void               Abc_NodePrintFactor( FILE * pFile, Abc_Obj_t * pNode, int fUseRealNames );
extern void               Abc_NtkPrintLevel( FILE * pFile, Abc_Ntk_t * pNtk, int fProfile, int fListNodes );
extern void               Abc_NodePrintLevel( FILE * pFile, Abc_Obj_t * pNode );
extern void               Abc_NtkPrintSkews( FILE * pFile, Abc_Ntk_t * pNtk, int fPrintAll );
extern void               Abc_ObjPrint( FILE * pFile, Abc_Obj_t * pObj );
/*=== abcProve.c ==========================================================*/
extern int                Abc_NtkMiterProve( Abc_Ntk_t ** ppNtk, void * pParams );
extern int                Abc_NtkIvyProve( Abc_Ntk_t ** ppNtk, void * pPars );
/*=== abcRec.c ==========================================================*/
extern void               Abc_NtkRecStart( Abc_Ntk_t * pNtk, int nVars, int nCuts );
extern void               Abc_NtkRecStop();
extern void               Abc_NtkRecAdd( Abc_Ntk_t * pNtk );
extern void               Abc_NtkRecPs();
extern void               Abc_NtkRecFilter( int iVar, int iPlus );
extern Abc_Ntk_t *        Abc_NtkRecUse();
extern int                Abc_NtkRecIsRunning();
extern int                Abc_NtkRecVarNum();
extern Vec_Int_t *        Abc_NtkRecMemory();
extern int                Abc_NtkRecStrashNode( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pObj, unsigned * pTruth, int nVars );
/*=== abcReconv.c ==========================================================*/
extern Abc_ManCut_t *     Abc_NtkManCutStart( int nNodeSizeMax, int nConeSizeMax, int nNodeFanStop, int nConeFanStop );
extern void               Abc_NtkManCutStop( Abc_ManCut_t * p );
extern Vec_Ptr_t *        Abc_NtkManCutReadCutLarge( Abc_ManCut_t * p );
extern Vec_Ptr_t *        Abc_NtkManCutReadCutSmall( Abc_ManCut_t * p );
extern Vec_Ptr_t *        Abc_NtkManCutReadVisited( Abc_ManCut_t * p );
extern Vec_Ptr_t *        Abc_NodeFindCut( Abc_ManCut_t * p, Abc_Obj_t * pRoot, bool fContain );
extern void               Abc_NodeConeCollect( Abc_Obj_t ** ppRoots, int nRoots, Vec_Ptr_t * vFanins, Vec_Ptr_t * vVisited, int fIncludeFanins );
extern DdNode *           Abc_NodeConeBdd( DdManager * dd, DdNode ** pbVars, Abc_Obj_t * pNode, Vec_Ptr_t * vFanins, Vec_Ptr_t * vVisited );
extern DdNode *           Abc_NodeConeDcs( DdManager * dd, DdNode ** pbVarsX, DdNode ** pbVarsY, Vec_Ptr_t * vLeaves, Vec_Ptr_t * vRoots, Vec_Ptr_t * vVisited );
extern Vec_Ptr_t *        Abc_NodeCollectTfoCands( Abc_ManCut_t * p, Abc_Obj_t * pRoot, Vec_Ptr_t * vFanins, int LevelMax );
/*=== abcRefs.c ==========================================================*/
extern int                Abc_NodeMffcSize( Abc_Obj_t * pNode );
extern int                Abc_NodeMffcSizeSupp( Abc_Obj_t * pNode );
extern int                Abc_NodeMffcSizeStop( Abc_Obj_t * pNode );
extern int                Abc_NodeMffcLabel( Abc_Obj_t * pNode );
extern void               Abc_NodeMffsConeSupp( Abc_Obj_t * pNode, Vec_Ptr_t * vCone, Vec_Ptr_t * vSupp );
extern int                Abc_NodeDeref_rec( Abc_Obj_t * pNode );
extern int                Abc_NodeRef_rec( Abc_Obj_t * pNode );
/*=== abcRefactor.c ==========================================================*/
extern int                Abc_NtkRefactor( Abc_Ntk_t * pNtk, int nNodeSizeMax, int nConeSizeMax, bool fUpdateLevel, bool fUseZeros, bool fUseDcs, bool fVerbose );
/*=== abcRewrite.c ==========================================================*/
extern int                Abc_NtkRewrite( Abc_Ntk_t * pNtk, int fUpdateLevel, int fUseZeros, int fVerbose, int fVeryVerbose, int fPlaceEnable );
/*=== abcSat.c ==========================================================*/
extern int                Abc_NtkMiterSat( Abc_Ntk_t * pNtk, sint64 nConfLimit, sint64 nInsLimit, int fVerbose, sint64 * pNumConfs, sint64 * pNumInspects );
extern void *             Abc_NtkMiterSatCreate( Abc_Ntk_t * pNtk, int fAllPrimes );
/*=== abcSop.c ==========================================================*/
extern char *             Abc_SopRegister( Extra_MmFlex_t * pMan, char * pName );
extern char *             Abc_SopStart( Extra_MmFlex_t * pMan, int nCubes, int nVars );
extern char *             Abc_SopCreateConst0( Extra_MmFlex_t * pMan );
extern char *             Abc_SopCreateConst1( Extra_MmFlex_t * pMan );
extern char *             Abc_SopCreateAnd2( Extra_MmFlex_t * pMan, int fCompl0, int fCompl1 );
extern char *             Abc_SopCreateAnd( Extra_MmFlex_t * pMan, int nVars, int * pfCompl );
extern char *             Abc_SopCreateNand( Extra_MmFlex_t * pMan, int nVars );
extern char *             Abc_SopCreateOr( Extra_MmFlex_t * pMan, int nVars, int * pfCompl );
extern char *             Abc_SopCreateOrMultiCube( Extra_MmFlex_t * pMan, int nVars, int * pfCompl );
extern char *             Abc_SopCreateNor( Extra_MmFlex_t * pMan, int nVars );
extern char *             Abc_SopCreateXor( Extra_MmFlex_t * pMan, int nVars );
extern char *             Abc_SopCreateXorSpecial( Extra_MmFlex_t * pMan, int nVars );
extern char *             Abc_SopCreateNxor( Extra_MmFlex_t * pMan, int nVars );
extern char *             Abc_SopCreateMux( Extra_MmFlex_t * pMan );
extern char *             Abc_SopCreateInv( Extra_MmFlex_t * pMan );
extern char *             Abc_SopCreateBuf( Extra_MmFlex_t * pMan );
extern char *             Abc_SopCreateFromTruth( Extra_MmFlex_t * pMan, int nVars, unsigned * pTruth );
extern char *             Abc_SopCreateFromIsop( Extra_MmFlex_t * pMan, int nVars, Vec_Int_t * vCover );
extern int                Abc_SopGetCubeNum( char * pSop );
extern int                Abc_SopGetLitNum( char * pSop );
extern int                Abc_SopGetVarNum( char * pSop );
extern int                Abc_SopGetPhase( char * pSop );
extern int                Abc_SopGetIthCareLit( char * pSop, int i );
extern void               Abc_SopComplement( char * pSop );
extern bool               Abc_SopIsComplement( char * pSop );
extern bool               Abc_SopIsConst0( char * pSop );
extern bool               Abc_SopIsConst1( char * pSop );
extern bool               Abc_SopIsBuf( char * pSop );
extern bool               Abc_SopIsInv( char * pSop );
extern bool               Abc_SopIsAndType( char * pSop );
extern bool               Abc_SopIsOrType( char * pSop );
extern int                Abc_SopIsExorType( char * pSop );
extern bool               Abc_SopCheck( char * pSop, int nFanins );
extern char *             Abc_SopFromTruthBin( char * pTruth );
extern char *             Abc_SopFromTruthHex( char * pTruth );
extern char *             Abc_SopEncoderPos( Extra_MmFlex_t * pMan, int iValue, int nValues );
extern char *             Abc_SopEncoderLog( Extra_MmFlex_t * pMan, int iBit, int nValues );
extern char *             Abc_SopDecoderPos( Extra_MmFlex_t * pMan, int nValues );
extern char *             Abc_SopDecoderLog( Extra_MmFlex_t * pMan, int nValues );
/*=== abcStrash.c ==========================================================*/
extern Abc_Ntk_t *        Abc_NtkStrash( Abc_Ntk_t * pNtk, int fAllNodes, int fCleanup, int fRecord );
extern Abc_Obj_t *        Abc_NodeStrash( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pNode, int fRecord );
extern int                Abc_NtkAppend( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int fAddPos );
extern Abc_Ntk_t *        Abc_NtkTopmost( Abc_Ntk_t * pNtk, int nLevels );
/*=== abcSweep.c ==========================================================*/
extern int                Abc_NtkSweep( Abc_Ntk_t * pNtk, int fVerbose );
extern int                Abc_NtkCleanup( Abc_Ntk_t * pNtk, int fVerbose );
extern int                Abc_NtkCleanupSeq( Abc_Ntk_t * pNtk, int fLatchSweep, int fAutoSweep, int fVerbose );
/*=== abcTiming.c ==========================================================*/
extern Abc_Time_t *       Abc_NodeReadArrival( Abc_Obj_t * pNode );
extern Abc_Time_t *       Abc_NodeReadRequired( Abc_Obj_t * pNode );
extern Abc_Time_t *       Abc_NtkReadDefaultArrival( Abc_Ntk_t * pNtk );
extern Abc_Time_t *       Abc_NtkReadDefaultRequired( Abc_Ntk_t * pNtk );
extern void               Abc_NtkTimeSetDefaultArrival( Abc_Ntk_t * pNtk, float Rise, float Fall );
extern void               Abc_NtkTimeSetDefaultRequired( Abc_Ntk_t * pNtk, float Rise, float Fall );
extern void               Abc_NtkTimeSetArrival( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall );
extern void               Abc_NtkTimeSetRequired( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall );
extern void               Abc_NtkTimeInitialize( Abc_Ntk_t * pNtk );
extern void               Abc_ManTimeStop( Abc_ManTime_t * p );
extern void               Abc_ManTimeDup( Abc_Ntk_t * pNtkOld, Abc_Ntk_t * pNtkNew );
extern void               Abc_NtkSetNodeLevelsArrival( Abc_Ntk_t * pNtk );
extern float *            Abc_NtkGetCiArrivalFloats( Abc_Ntk_t * pNtk );
extern Abc_Time_t *       Abc_NtkGetCiArrivalTimes( Abc_Ntk_t * pNtk );
extern float              Abc_NtkDelayTrace( Abc_Ntk_t * pNtk );
extern void               Abc_NtkStartReverseLevels( Abc_Ntk_t * pNtk );
extern void               Abc_NtkStopReverseLevels( Abc_Ntk_t * pNtk );
extern void               Abc_NodeSetReverseLevel( Abc_Obj_t * pObj, int LevelR );
extern int                Abc_NodeReadReverseLevel( Abc_Obj_t * pObj );
extern int                Abc_NodeReadRequiredLevel( Abc_Obj_t * pObj );
/*=== abcUtil.c ==========================================================*/
extern void *             Abc_NtkAttrFree( Abc_Ntk_t * pNtk, int Attr, int fFreeMan );
extern void               Abc_NtkIncrementTravId( Abc_Ntk_t * pNtk );
extern void               Abc_NtkOrderCisCos( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetCubeNum( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetLitNum( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetLitFactNum( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetBddNodeNum( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetAigNodeNum( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetClauseNum( Abc_Ntk_t * pNtk );
extern double             Abc_NtkGetMappedArea( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetExorNum( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetMuxNum( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetChoiceNum( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetFaninMax( Abc_Ntk_t * pNtk );
extern int                Abc_NtkGetTotalFanins( Abc_Ntk_t * pNtk );
extern void               Abc_NtkCleanCopy( Abc_Ntk_t * pNtk );
extern void               Abc_NtkCleanData( Abc_Ntk_t * pNtk );
extern void               Abc_NtkCleanEquiv( Abc_Ntk_t * pNtk );
extern int                Abc_NtkCountCopy( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_NtkSaveCopy( Abc_Ntk_t * pNtk );
extern void               Abc_NtkLoadCopy( Abc_Ntk_t * pNtk, Vec_Ptr_t * vCopies );
extern void               Abc_NtkCleanNext( Abc_Ntk_t * pNtk );
extern void               Abc_NtkCleanMarkA( Abc_Ntk_t * pNtk );
extern Abc_Obj_t *        Abc_NodeFindCoFanout( Abc_Obj_t * pNode );
extern Abc_Obj_t *        Abc_NodeFindNonCoFanout( Abc_Obj_t * pNode );
extern Abc_Obj_t *        Abc_NodeHasUniqueCoFanout( Abc_Obj_t * pNode );
extern bool               Abc_NtkLogicHasSimpleCos( Abc_Ntk_t * pNtk );
extern int                Abc_NtkLogicMakeSimpleCos( Abc_Ntk_t * pNtk, bool fDuplicate );
extern void               Abc_VecObjPushUniqueOrderByLevel( Vec_Ptr_t * p, Abc_Obj_t * pNode );
extern bool               Abc_NodeIsExorType( Abc_Obj_t * pNode );
extern bool               Abc_NodeIsMuxType( Abc_Obj_t * pNode );
extern bool               Abc_NodeIsMuxControlType( Abc_Obj_t * pNode );
extern Abc_Obj_t *        Abc_NodeRecognizeMux( Abc_Obj_t * pNode, Abc_Obj_t ** ppNodeT, Abc_Obj_t ** ppNodeE );
extern int                Abc_NtkPrepareTwoNtks( FILE * pErr, Abc_Ntk_t * pNtk, char ** argv, int argc, Abc_Ntk_t ** ppNtk1, Abc_Ntk_t ** ppNtk2, int * pfDelete1, int * pfDelete2 );
extern void               Abc_NodeCollectFanins( Abc_Obj_t * pNode, Vec_Ptr_t * vNodes );
extern void               Abc_NodeCollectFanouts( Abc_Obj_t * pNode, Vec_Ptr_t * vNodes );
extern Vec_Ptr_t *        Abc_NtkCollectLatches( Abc_Ntk_t * pNtk );
extern int                Abc_NodeCompareLevelsIncrease( Abc_Obj_t ** pp1, Abc_Obj_t ** pp2 );
extern int                Abc_NodeCompareLevelsDecrease( Abc_Obj_t ** pp1, Abc_Obj_t ** pp2 );
extern Vec_Int_t *        Abc_NtkFanoutCounts( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t *        Abc_NtkCollectObjects( Abc_Ntk_t * pNtk );
extern Vec_Int_t *        Abc_NtkGetCiIds( Abc_Ntk_t * pNtk );
extern void               Abc_NtkReassignIds( Abc_Ntk_t * pNtk );
extern int                Abc_ObjPointerCompare( void ** pp1, void ** pp2 );
extern void               Abc_NtkTransferCopy( Abc_Ntk_t * pNtk );
/*=== abcVerify.c ==========================================================*/
extern int *              Abc_NtkVerifyGetCleanModel( Abc_Ntk_t * pNtk, int nFrames );
extern int *              Abc_NtkVerifySimulatePattern( Abc_Ntk_t * pNtk, int * pModel );

#ifdef __cplusplus
}
#endif

#endif

////////////////////////////////////////////////////////////////////////
///                       END OF FILE                                ///
////////////////////////////////////////////////////////////////////////