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/**CFile****************************************************************
FileName [gia.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Scalable AIG package.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: gia.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef __GIA_H__
#define __GIA_H__
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
#include "aig.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
extern "C" {
#endif
#define GIA_NONE 0x1FFFFFFF
#define GIA_VOID 0x0FFFFFFF
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct Gia_Rpr_t_ Gia_Rpr_t;
struct Gia_Rpr_t_
{
unsigned iRepr : 28; // representative node
unsigned fProved : 1; // marks the proved equivalence
unsigned fFailed : 1; // marks the failed equivalence
unsigned fColorA : 1; // marks cone of A
unsigned fColorB : 1; // marks cone of B
};
typedef struct Gia_Obj_t_ Gia_Obj_t;
struct Gia_Obj_t_
{
unsigned iDiff0 : 29; // the diff of the first fanin
unsigned fCompl0: 1; // the complemented attribute
unsigned fMark0 : 1; // first user-controlled mark
unsigned fTerm : 1; // terminal node (CI/CO)
unsigned iDiff1 : 29; // the diff of the second fanin
unsigned fCompl1: 1; // the complemented attribute
unsigned fMark1 : 1; // second user-controlled mark
unsigned fPhase : 1; // value under 000 pattern
unsigned Value; // application-specific value
};
// Value is currently use to store several types of information
// - pointer to the next node in the hash table during structural hashing
// - pointer to the node copy during duplication
// - traversal ID of the node during traversal
// - reference counter of the node (will not be used in the future)
// sequential counter-example
typedef struct Gia_Cex_t_ Gia_Cex_t;
struct Gia_Cex_t_
{
int iPo; // the zero-based number of PO, for which verification failed
int iFrame; // the zero-based number of the time-frame, for which verificaiton failed
int nRegs; // the number of registers in the miter
int nPis; // the number of primary inputs in the miter
int nBits; // the number of words of bit data used
unsigned pData[0]; // the cex bit data (the number of bits: nRegs + (iFrame+1) * nPis)
};
// new AIG manager
typedef struct Gia_Man_t_ Gia_Man_t;
struct Gia_Man_t_
{
char * pName; // name of the AIG
int nRegs; // number of registers
int nRegsAlloc; // number of allocated registers
int nObjs; // number of objects
int nObjsAlloc; // number of allocated objects
Gia_Obj_t * pObjs; // the array of objects
Vec_Int_t * vCis; // the vector of CIs (PIs + LOs)
Vec_Int_t * vCos; // the vector of COs (POs + LIs)
int * pHTable; // hash table
int nHTable; // hash table size
int fAddStrash; // performs additional structural hashing
int * pRefs; // the reference count
int * pLevels; // levels of the nodes
int nLevels; // the mamixum level
int nTravIds; // the current traversal ID
int nFront; // frontier size
int * pReprsOld; // representatives (for CIs and ANDs)
Gia_Rpr_t * pReprs; // representatives (for CIs and ANDs)
int * pNexts; // next nodes in the equivalence classes
int * pIso; // pairs of structurally isomorphic nodes
int nTerLoop; // the state where loop begins
int nTerStates; // the total number of ternary states
int * pFanData; // the database to store fanout information
int nFansAlloc; // the size of fanout representation
int * pMapping; // mapping for each node
Gia_Cex_t * pCexComb; // combinational counter-example
int * pCopies; // intermediate copies
Vec_Int_t * vFlopClasses; // classes of flops for retiming/merging/etc
};
typedef struct Emb_Par_t_ Emb_Par_t;
struct Emb_Par_t_
{
int nDims; // the number of dimension
int nSols; // the number of solutions (typically, 2)
int nIters; // the number of iterations of FORCE
int fRefine; // use refinement by FORCE
int fCluster; // use clustered representation
int fDump; // dump Gnuplot file
int fDumpLarge; // dump Gnuplot file for large benchmarks
int fShowImage; // shows image if Gnuplot is installed
int fVerbose; // verbose flag
};
// frames parameters
typedef struct Gia_ParFra_t_ Gia_ParFra_t;
struct Gia_ParFra_t_
{
int nFrames; // the number of frames to unroll
int fInit; // initialize the timeframes
int fVerbose; // enables verbose output
};
// simulation parameters
typedef struct Gia_ParSim_t_ Gia_ParSim_t;
struct Gia_ParSim_t_
{
// user-controlled parameters
int nWords; // the number of machine words
int nIters; // the number of timeframes
int TimeLimit; // time limit in seconds
int fCheckMiter; // check if miter outputs are non-zero
int fVerbose; // enables verbose output
};
extern void Gia_ManSimSetDefaultParams( Gia_ParSim_t * p );
extern int Gia_ManSimSimulate( Gia_Man_t * pAig, Gia_ParSim_t * pPars );
static inline int Gia_Var2Lit( int Var, int fCompl ) { return Var + Var + fCompl; }
static inline int Gia_Lit2Var( int Lit ) { return Lit >> 1; }
static inline int Gia_LitIsCompl( int Lit ) { return Lit & 1; }
static inline int Gia_LitNot( int Lit ) { return Lit ^ 1; }
static inline int Gia_LitNotCond( int Lit, int c ) { return Lit ^ (int)(c > 0); }
static inline int Gia_LitRegular( int Lit ) { return Lit & ~01; }
static inline Gia_Obj_t * Gia_Regular( Gia_Obj_t * p ) { return (Gia_Obj_t *)((ABC_PTRUINT_T)(p) & ~01); }
static inline Gia_Obj_t * Gia_Not( Gia_Obj_t * p ) { return (Gia_Obj_t *)((ABC_PTRUINT_T)(p) ^ 01); }
static inline Gia_Obj_t * Gia_NotCond( Gia_Obj_t * p, int c ) { return (Gia_Obj_t *)((ABC_PTRUINT_T)(p) ^ (c)); }
static inline int Gia_IsComplement( Gia_Obj_t * p ) { return (int)((ABC_PTRUINT_T)(p) & 01); }
static inline int Gia_ManCiNum( Gia_Man_t * p ) { return Vec_IntSize(p->vCis); }
static inline int Gia_ManCoNum( Gia_Man_t * p ) { return Vec_IntSize(p->vCos); }
static inline int Gia_ManPiNum( Gia_Man_t * p ) { return Vec_IntSize(p->vCis) - p->nRegs; }
static inline int Gia_ManPoNum( Gia_Man_t * p ) { return Vec_IntSize(p->vCos) - p->nRegs; }
static inline int Gia_ManRegNum( Gia_Man_t * p ) { return p->nRegs; }
static inline int Gia_ManObjNum( Gia_Man_t * p ) { return p->nObjs; }
static inline int Gia_ManAndNum( Gia_Man_t * p ) { return p->nObjs - Vec_IntSize(p->vCis) - Vec_IntSize(p->vCos) - 1; }
static inline int Gia_ManCandNum( Gia_Man_t * p ) { return Gia_ManCiNum(p) + Gia_ManAndNum(p); }
static inline Gia_Obj_t * Gia_ManConst0( Gia_Man_t * p ) { return p->pObjs; }
static inline Gia_Obj_t * Gia_ManConst1( Gia_Man_t * p ) { return Gia_Not(Gia_ManConst0(p)); }
static inline Gia_Obj_t * Gia_ManObj( Gia_Man_t * p, int v ) { assert( v < p->nObjs ); return p->pObjs + v; }
static inline Gia_Obj_t * Gia_ManCi( Gia_Man_t * p, int v ) { return Gia_ManObj( p, Vec_IntEntry(p->vCis,v) ); }
static inline Gia_Obj_t * Gia_ManCo( Gia_Man_t * p, int v ) { return Gia_ManObj( p, Vec_IntEntry(p->vCos,v) ); }
static inline Gia_Obj_t * Gia_ManPi( Gia_Man_t * p, int v ) { assert( v < Gia_ManPiNum(p) ); return Gia_ManCi( p, v ); }
static inline Gia_Obj_t * Gia_ManPo( Gia_Man_t * p, int v ) { assert( v < Gia_ManPoNum(p) ); return Gia_ManCo( p, v ); }
static inline Gia_Obj_t * Gia_ManRo( Gia_Man_t * p, int v ) { assert( v < Gia_ManRegNum(p) ); return Gia_ManCi( p, Gia_ManRegNum(p)+v ); }
static inline Gia_Obj_t * Gia_ManRi( Gia_Man_t * p, int v ) { assert( v < Gia_ManRegNum(p) ); return Gia_ManCo( p, Gia_ManRegNum(p)+v ); }
static inline int Gia_ObjIsTerm( Gia_Obj_t * pObj ) { return pObj->fTerm; }
static inline int Gia_ObjIsAndOrConst0( Gia_Obj_t * pObj ) { return!pObj->fTerm; }
static inline int Gia_ObjIsCi( Gia_Obj_t * pObj ) { return pObj->fTerm && pObj->iDiff0 == GIA_NONE; }
static inline int Gia_ObjIsCo( Gia_Obj_t * pObj ) { return pObj->fTerm && pObj->iDiff0 != GIA_NONE; }
static inline int Gia_ObjIsAnd( Gia_Obj_t * pObj ) { return!pObj->fTerm && pObj->iDiff0 != GIA_NONE; }
static inline int Gia_ObjIsCand( Gia_Obj_t * pObj ) { return Gia_ObjIsAnd(pObj) || Gia_ObjIsCi(pObj); }
static inline int Gia_ObjIsConst0( Gia_Obj_t * pObj ) { return pObj->iDiff0 == GIA_NONE && pObj->iDiff1 == GIA_NONE; }
static inline int Gia_ManObjIsConst0( Gia_Man_t * p, Gia_Obj_t * pObj){ return pObj == p->pObjs; }
static inline int Gia_ObjId( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( p->pObjs <= pObj && pObj < p->pObjs + p->nObjs ); return pObj - p->pObjs; }
static inline int Gia_ObjCioId( Gia_Obj_t * pObj ) { assert( Gia_ObjIsTerm(pObj) ); return pObj->iDiff1; }
static inline void Gia_ObjSetCioId( Gia_Obj_t * pObj, int v ) { assert( Gia_ObjIsTerm(pObj) ); pObj->iDiff1 = v; }
static inline int Gia_ObjPhase( Gia_Obj_t * pObj ) { return pObj->fPhase; }
static inline int Gia_ObjPhaseReal( Gia_Obj_t * pObj ) { return Gia_Regular(pObj)->fPhase ^ Gia_IsComplement(pObj); }
static inline int Gia_ObjIsPi( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjIsCi(pObj) && Gia_ObjCioId(pObj) < Gia_ManPiNum(p); }
static inline int Gia_ObjIsPo( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjIsCo(pObj) && Gia_ObjCioId(pObj) < Gia_ManPoNum(p); }
static inline int Gia_ObjIsRo( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjIsCi(pObj) && Gia_ObjCioId(pObj) >= Gia_ManPiNum(p); }
static inline int Gia_ObjIsRi( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjIsCo(pObj) && Gia_ObjCioId(pObj) >= Gia_ManPoNum(p); }
static inline Gia_Obj_t * Gia_ObjRoToRi( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( Gia_ObjIsRo(p, pObj) ); return Gia_ManCo(p, Gia_ManCoNum(p) - Gia_ManCiNum(p) + Gia_ObjCioId(pObj)); }
static inline Gia_Obj_t * Gia_ObjRiToRo( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( Gia_ObjIsRi(p, pObj) ); return Gia_ManCi(p, Gia_ManCiNum(p) - Gia_ManCoNum(p) + Gia_ObjCioId(pObj)); }
static inline int Gia_ObjDiff0( Gia_Obj_t * pObj ) { return pObj->iDiff0; }
static inline int Gia_ObjDiff1( Gia_Obj_t * pObj ) { return pObj->iDiff1; }
static inline int Gia_ObjFaninC0( Gia_Obj_t * pObj ) { return pObj->fCompl0; }
static inline int Gia_ObjFaninC1( Gia_Obj_t * pObj ) { return pObj->fCompl1; }
static inline Gia_Obj_t * Gia_ObjFanin0( Gia_Obj_t * pObj ) { return pObj - pObj->iDiff0; }
static inline Gia_Obj_t * Gia_ObjFanin1( Gia_Obj_t * pObj ) { return pObj - pObj->iDiff1; }
static inline Gia_Obj_t * Gia_ObjChild0( Gia_Obj_t * pObj ) { return Gia_NotCond( Gia_ObjFanin0(pObj), Gia_ObjFaninC0(pObj) ); }
static inline Gia_Obj_t * Gia_ObjChild1( Gia_Obj_t * pObj ) { return Gia_NotCond( Gia_ObjFanin1(pObj), Gia_ObjFaninC1(pObj) ); }
static inline int Gia_ObjFaninId0( Gia_Obj_t * pObj, int ObjId ) { return ObjId - pObj->iDiff0; }
static inline int Gia_ObjFaninId1( Gia_Obj_t * pObj, int ObjId ) { return ObjId - pObj->iDiff1; }
static inline int Gia_ObjFaninId0p( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjFaninId0( pObj, Gia_ObjId(p, pObj) ); }
static inline int Gia_ObjFaninId1p( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjFaninId1( pObj, Gia_ObjId(p, pObj) ); }
static inline int Gia_ObjFaninLit0( Gia_Obj_t * pObj, int ObjId ) { return Gia_Var2Lit( Gia_ObjFaninId0(pObj, ObjId), Gia_ObjFaninC0(pObj) ); }
static inline int Gia_ObjFaninLit1( Gia_Obj_t * pObj, int ObjId ) { return Gia_Var2Lit( Gia_ObjFaninId1(pObj, ObjId), Gia_ObjFaninC1(pObj) ); }
static inline int Gia_ObjFaninLit0p( Gia_Man_t * p, Gia_Obj_t * pObj) { return Gia_Var2Lit( Gia_ObjFaninId0p(p, pObj), Gia_ObjFaninC0(pObj) ); }
static inline int Gia_ObjFaninLit1p( Gia_Man_t * p, Gia_Obj_t * pObj) { return Gia_Var2Lit( Gia_ObjFaninId1p(p, pObj), Gia_ObjFaninC1(pObj) ); }
static inline void Gia_ObjFlipFaninC0( Gia_Obj_t * pObj ) { assert( Gia_ObjIsCo(pObj) ); pObj->fCompl0 ^= 1; }
static inline int Gia_ObjWhatFanin( Gia_Obj_t * pObj, Gia_Obj_t * pFanin ) { return Gia_ObjFanin0(pObj) == pFanin ? 0 : (Gia_ObjFanin1(pObj) == pFanin ? 1 : -1); }
static inline int Gia_ObjFanin0Copy( Gia_Obj_t * pObj ) { return Gia_LitNotCond( Gia_ObjFanin0(pObj)->Value, Gia_ObjFaninC0(pObj) ); }
static inline int Gia_ObjFanin1Copy( Gia_Obj_t * pObj ) { return Gia_LitNotCond( Gia_ObjFanin1(pObj)->Value, Gia_ObjFaninC1(pObj) ); }
static inline int Gia_ObjCopyF( Gia_Man_t * p, int f, Gia_Obj_t * pObj ) { return p->pCopies[Gia_ManObjNum(p) * f + Gia_ObjId(p,pObj)]; }
static inline void Gia_ObjSetCopyF( Gia_Man_t * p, int f, Gia_Obj_t * pObj, int iLit ) { p->pCopies[Gia_ManObjNum(p) * f + Gia_ObjId(p,pObj)] = iLit; }
static inline int Gia_ObjFanin0CopyF( Gia_Man_t * p, int f, Gia_Obj_t * pObj ) { return Gia_LitNotCond(Gia_ObjCopyF(p, f, Gia_ObjFanin0(pObj)), Gia_ObjFaninC0(pObj)); }
static inline int Gia_ObjFanin1CopyF( Gia_Man_t * p, int f, Gia_Obj_t * pObj ) { return Gia_LitNotCond(Gia_ObjCopyF(p, f, Gia_ObjFanin1(pObj)), Gia_ObjFaninC1(pObj)); }
static inline Gia_Obj_t * Gia_ObjFromLit( Gia_Man_t * p, int iLit ) { return Gia_NotCond( Gia_ManObj(p, Gia_Lit2Var(iLit)), Gia_LitIsCompl(iLit) ); }
static inline int Gia_ObjToLit( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_Var2Lit( Gia_ObjId(p, pObj), Gia_IsComplement(pObj) ); }
static inline int Gia_ObjPhaseRealLit( Gia_Man_t * p, int iLit ) { return Gia_ObjPhaseReal( Gia_ObjFromLit(p, iLit) ); }
static inline int Gia_ObjValue( Gia_Obj_t * pObj ) { return pObj->Value; }
static inline int Gia_ObjLevel( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert(p->pLevels);return p->pLevels[Gia_ObjId(p, pObj)]; }
static inline int Gia_ObjRefs( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( p->pRefs); return p->pRefs[Gia_ObjId(p, pObj)]; }
static inline void Gia_ObjRefInc( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( p->pRefs); p->pRefs[Gia_ObjId(p, pObj)]++; }
static inline void Gia_ObjRefDec( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( p->pRefs); p->pRefs[Gia_ObjId(p, pObj)]--; }
static inline void Gia_ObjRefFanin0Inc(Gia_Man_t * p, Gia_Obj_t * pObj){ assert( p->pRefs); Gia_ObjRefInc(p, Gia_ObjFanin0(pObj)); }
static inline void Gia_ObjRefFanin1Inc(Gia_Man_t * p, Gia_Obj_t * pObj){ assert( p->pRefs); Gia_ObjRefInc(p, Gia_ObjFanin1(pObj)); }
static inline void Gia_ObjRefFanin0Dec(Gia_Man_t * p, Gia_Obj_t * pObj){ assert( p->pRefs); Gia_ObjRefDec(p, Gia_ObjFanin0(pObj)); }
static inline void Gia_ObjRefFanin1Dec(Gia_Man_t * p, Gia_Obj_t * pObj){ assert( p->pRefs); Gia_ObjRefDec(p, Gia_ObjFanin1(pObj)); }
static inline void Gia_ManResetTravId( Gia_Man_t * p ) { extern void Gia_ManCleanValue( Gia_Man_t * p ); Gia_ManCleanValue( p ); p->nTravIds = 1; }
static inline void Gia_ManIncrementTravId( Gia_Man_t * p ) { p->nTravIds++; }
static inline void Gia_ObjSetTravId( Gia_Obj_t * pObj, int TravId ) { pObj->Value = TravId; }
static inline void Gia_ObjSetTravIdCurrent( Gia_Man_t * p, Gia_Obj_t * pObj ) { pObj->Value = p->nTravIds; }
static inline void Gia_ObjSetTravIdPrevious( Gia_Man_t * p, Gia_Obj_t * pObj ) { pObj->Value = p->nTravIds - 1; }
static inline int Gia_ObjIsTravIdCurrent( Gia_Man_t * p, Gia_Obj_t * pObj ) { return ((int)pObj->Value == p->nTravIds); }
static inline int Gia_ObjIsTravIdPrevious( Gia_Man_t * p, Gia_Obj_t * pObj ) { return ((int)pObj->Value == p->nTravIds - 1); }
// AIG construction
extern void Gia_ObjAddFanout( Gia_Man_t * p, Gia_Obj_t * pObj, Gia_Obj_t * pFanout );
static inline Gia_Obj_t * Gia_ManAppendObj( Gia_Man_t * p )
{
if ( p->nObjs == p->nObjsAlloc )
{
// printf("Reallocing %d.\n", 2 * p->nObjsAlloc );
assert( p->nObjsAlloc > 0 );
p->pObjs = ABC_REALLOC( Gia_Obj_t, p->pObjs, 2 * p->nObjsAlloc );
memset( p->pObjs + p->nObjsAlloc, 0, sizeof(Gia_Obj_t) * p->nObjsAlloc );
p->nObjsAlloc *= 2;
}
return Gia_ManObj( p, p->nObjs++ );
}
static inline int Gia_ManAppendCi( Gia_Man_t * p )
{
Gia_Obj_t * pObj = Gia_ManAppendObj( p );
pObj->fTerm = 1;
pObj->iDiff0 = GIA_NONE;
pObj->iDiff1 = Vec_IntSize( p->vCis );
Vec_IntPush( p->vCis, Gia_ObjId(p, pObj) );
return Gia_ObjId( p, pObj ) << 1;
}
static inline int Gia_ManAppendAnd( Gia_Man_t * p, int iLit0, int iLit1 )
{
Gia_Obj_t * pObj = Gia_ManAppendObj( p );
assert( iLit0 != iLit1 );
if ( iLit0 < iLit1 )
{
pObj->iDiff0 = Gia_ObjId(p, pObj) - Gia_Lit2Var(iLit0);
pObj->fCompl0 = Gia_LitIsCompl(iLit0);
pObj->iDiff1 = Gia_ObjId(p, pObj) - Gia_Lit2Var(iLit1);
pObj->fCompl1 = Gia_LitIsCompl(iLit1);
}
else
{
pObj->iDiff1 = Gia_ObjId(p, pObj) - Gia_Lit2Var(iLit0);
pObj->fCompl1 = Gia_LitIsCompl(iLit0);
pObj->iDiff0 = Gia_ObjId(p, pObj) - Gia_Lit2Var(iLit1);
pObj->fCompl0 = Gia_LitIsCompl(iLit1);
}
if ( p->pFanData )
{
Gia_ObjAddFanout( p, Gia_ObjFanin0(pObj), pObj );
Gia_ObjAddFanout( p, Gia_ObjFanin1(pObj), pObj );
}
return Gia_ObjId( p, pObj ) << 1;
}
static inline int Gia_ManAppendCo( Gia_Man_t * p, int iLit0 )
{
Gia_Obj_t * pObj = Gia_ManAppendObj( p );
pObj->fTerm = 1;
pObj->iDiff0 = Gia_ObjId(p, pObj) - Gia_Lit2Var(iLit0);
pObj->fCompl0 = Gia_LitIsCompl(iLit0);
pObj->iDiff1 = Vec_IntSize( p->vCos );
Vec_IntPush( p->vCos, Gia_ObjId(p, pObj) );
if ( p->pFanData )
Gia_ObjAddFanout( p, Gia_ObjFanin0(pObj), pObj );
return Gia_ObjId( p, pObj ) << 1;
}
#define GIA_ZER 1
#define GIA_ONE 2
#define GIA_UND 3
static inline int Gia_XsimNotCond( int Value, int fCompl )
{
if ( Value == GIA_UND )
return GIA_UND;
if ( Value == GIA_ZER + fCompl )
return GIA_ZER;
return GIA_ONE;
}
static inline int Gia_XsimAndCond( int Value0, int fCompl0, int Value1, int fCompl1 )
{
if ( Value0 == GIA_ZER + fCompl0 || Value1 == GIA_ZER + fCompl1 )
return GIA_ZER;
if ( Value0 == GIA_UND || Value1 == GIA_UND )
return GIA_UND;
return GIA_ONE;
}
static inline Gia_Obj_t * Gia_ObjReprObj( Gia_Man_t * p, int Id ) { return p->pReprs[Id].iRepr == GIA_VOID ? NULL : Gia_ManObj( p, p->pReprs[Id].iRepr ); }
static inline int Gia_ObjRepr( Gia_Man_t * p, int Id ) { return p->pReprs[Id].iRepr; }
static inline void Gia_ObjSetRepr( Gia_Man_t * p, int Id, int Num ) { p->pReprs[Id].iRepr = Num; }
static inline int Gia_ObjProved( Gia_Man_t * p, int Id ) { return p->pReprs[Id].fProved; }
static inline void Gia_ObjSetProved( Gia_Man_t * p, int Id ) { p->pReprs[Id].fProved = 1; }
static inline int Gia_ObjFailed( Gia_Man_t * p, int Id ) { return p->pReprs[Id].fFailed; }
static inline void Gia_ObjSetFailed( Gia_Man_t * p, int Id ) { p->pReprs[Id].fFailed = 1; }
static inline int Gia_ObjColor( Gia_Man_t * p, int Id, int c ) { return c? p->pReprs[Id].fColorB : p->pReprs[Id].fColorA; }
static inline int Gia_ObjColors( Gia_Man_t * p, int Id ) { return p->pReprs[Id].fColorB * 2 + p->pReprs[Id].fColorA; }
static inline void Gia_ObjSetColor( Gia_Man_t * p, int Id, int c ) { if (c) p->pReprs[Id].fColorB = 1; else p->pReprs[Id].fColorA = 1; }
static inline void Gia_ObjSetColors( Gia_Man_t * p, int Id ) { p->pReprs[Id].fColorB = p->pReprs[Id].fColorA = 1; }
static inline int Gia_ObjVisitColor( Gia_Man_t * p, int Id, int c ) { int x; if (c) { x = p->pReprs[Id].fColorB; p->pReprs[Id].fColorB = 1; } else { x = p->pReprs[Id].fColorA; p->pReprs[Id].fColorA = 1; } return x; }
static inline int Gia_ObjDiffColors( Gia_Man_t * p, int i, int j ) { return (p->pReprs[i].fColorA ^ p->pReprs[j].fColorA) && (p->pReprs[i].fColorB ^ p->pReprs[j].fColorB); }
static inline int Gia_ObjDiffColors2( Gia_Man_t * p, int i, int j ) { return (p->pReprs[i].fColorA ^ p->pReprs[j].fColorA) || (p->pReprs[i].fColorB ^ p->pReprs[j].fColorB); }
static inline int Gia_ObjNext( Gia_Man_t * p, int Id ) { return p->pNexts[Id]; }
static inline void Gia_ObjSetNext( Gia_Man_t * p, int Id, int Num ) { p->pNexts[Id] = Num; }
static inline int Gia_ObjIsConst( Gia_Man_t * p, int Id ) { return Gia_ObjRepr(p, Id) == 0; }
static inline int Gia_ObjIsHead( Gia_Man_t * p, int Id ) { return Gia_ObjRepr(p, Id) == GIA_VOID && Gia_ObjNext(p, Id) > 0; }
static inline int Gia_ObjIsNone( Gia_Man_t * p, int Id ) { return Gia_ObjRepr(p, Id) == GIA_VOID && Gia_ObjNext(p, Id) == 0; }
static inline int Gia_ObjIsTail( Gia_Man_t * p, int Id ) { return (Gia_ObjRepr(p, Id) > 0 && Gia_ObjRepr(p, Id) != GIA_VOID) && Gia_ObjNext(p, Id) == 0; }
static inline int Gia_ObjIsClass( Gia_Man_t * p, int Id ) { return (Gia_ObjRepr(p, Id) > 0 && Gia_ObjRepr(p, Id) != GIA_VOID) || Gia_ObjNext(p, Id) > 0; }
#define Gia_ManForEachConst( p, i ) \
for ( i = 1; i < Gia_ManObjNum(p); i++ ) if ( !Gia_ObjIsConst(p, i) ) {} else
#define Gia_ManForEachClass( p, i ) \
for ( i = 1; i < Gia_ManObjNum(p); i++ ) if ( !Gia_ObjIsHead(p, i) ) {} else
#define Gia_ManForEachClassReverse( p, i ) \
for ( i = Gia_ManObjNum(p) - 1; i > 0; i-- ) if ( !Gia_ObjIsHead(p, i) ) {} else
#define Gia_ClassForEachObj( p, i, iObj ) \
for ( assert(Gia_ObjIsHead(p, i)), iObj = i; iObj; iObj = Gia_ObjNext(p, iObj) )
#define Gia_ClassForEachObj1( p, i, iObj ) \
for ( assert(Gia_ObjIsHead(p, i)), iObj = Gia_ObjNext(p, i); iObj; iObj = Gia_ObjNext(p, iObj) )
static inline int Gia_ObjIsGate( Gia_Man_t * p, int Id ) { return p->pMapping[Id] != 0; }
static inline int Gia_ObjGateSize( Gia_Man_t * p, int Id ) { return p->pMapping[p->pMapping[Id]]; }
static inline int * Gia_ObjGateFanins( Gia_Man_t * p, int Id ) { return p->pMapping + p->pMapping[Id] + 1; }
#define Gia_ManForEachGate( p, i ) \
for ( i = 1; i < Gia_ManObjNum(p); i++ ) if ( !Gia_ObjIsGate(p, i) ) {} else
#define Gia_GateForEachFanin( p, i, iFan, k ) \
for ( k = 0; k < Gia_ObjGateSize(p,i) && ((iFan = Gia_ObjGateFanins(p,i)[k]),1); k++ )
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
#define Gia_ManForEachObj( p, pObj, i ) \
for ( i = 0; (i < p->nObjs) && ((pObj) = Gia_ManObj(p, i)); i++ )
#define Gia_ManForEachObj1( p, pObj, i ) \
for ( i = 1; (i < p->nObjs) && ((pObj) = Gia_ManObj(p, i)); i++ )
#define Gia_ManForEachObjVec( vVec, p, pObj, i ) \
for ( i = 0; (i < Vec_IntSize(vVec)) && ((pObj) = Gia_ManObj(p, Vec_IntEntry(vVec,i))); i++ )
#define Gia_ManForEachObjVecLit( vVec, p, pObj, fCompl, i ) \
for ( i = 0; (i < Vec_IntSize(vVec)) && ((pObj) = Gia_ManObj(p, Gia_Lit2Var(Vec_IntEntry(vVec,i)))) && (((fCompl) = Gia_LitIsCompl(Vec_IntEntry(vVec,i))),1); i++ )
#define Gia_ManForEachObjReverse( p, pObj, i ) \
for ( i = p->nObjs - 1; (i > 0) && ((pObj) = Gia_ManObj(p, i)); i-- )
#define Gia_ManForEachAnd( p, pObj, i ) \
for ( i = 0; (i < p->nObjs) && ((pObj) = Gia_ManObj(p, i)); i++ ) if ( !Gia_ObjIsAnd(pObj) ) {} else
#define Gia_ManForEachCi( p, pObj, i ) \
for ( i = 0; (i < Vec_IntSize(p->vCis)) && ((pObj) = Gia_ManCi(p, i)); i++ )
#define Gia_ManForEachCo( p, pObj, i ) \
for ( i = 0; (i < Vec_IntSize(p->vCos)) && ((pObj) = Gia_ManCo(p, i)); i++ )
#define Gia_ManForEachCoDriver( p, pObj, i ) \
for ( i = 0; (i < Vec_IntSize(p->vCos)) && ((pObj) = Gia_ObjFanin0(Gia_ManCo(p, i))); i++ )
#define Gia_ManForEachPi( p, pObj, i ) \
for ( i = 0; (i < Gia_ManPiNum(p)) && ((pObj) = Gia_ManCi(p, i)); i++ )
#define Gia_ManForEachPo( p, pObj, i ) \
for ( i = 0; (i < Gia_ManPoNum(p)) && ((pObj) = Gia_ManCo(p, i)); i++ )
#define Gia_ManForEachRo( p, pObj, i ) \
for ( i = 0; (i < Gia_ManRegNum(p)) && ((pObj) = Gia_ManCi(p, Gia_ManPiNum(p)+i)); i++ )
#define Gia_ManForEachRi( p, pObj, i ) \
for ( i = 0; (i < Gia_ManRegNum(p)) && ((pObj) = Gia_ManCo(p, Gia_ManPoNum(p)+i)); i++ )
#define Gia_ManForEachRiRo( p, pObjRi, pObjRo, i ) \
for ( i = 0; (i < Gia_ManRegNum(p)) && ((pObjRi) = Gia_ManCo(p, Gia_ManPoNum(p)+i)) && ((pObjRo) = Gia_ManCi(p, Gia_ManPiNum(p)+i)); i++ )
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== giaAig.c =============================================================*/
extern Gia_Man_t * Gia_ManFromAig( Aig_Man_t * p );
extern Gia_Man_t * Gia_ManFromAigSwitch( Aig_Man_t * p );
extern Aig_Man_t * Gia_ManToAig( Gia_Man_t * p );
/*=== giaAiger.c ===========================================================*/
extern Gia_Man_t * Gia_ReadAiger( char * pFileName, int fCheck );
extern void Gia_WriteAiger( Gia_Man_t * p, char * pFileName, int fWriteSymbols, int fCompact );
/*=== giaCsat.c ============================================================*/
/*=== giaCof.c =============================================================*/
extern void Gia_ManPrintFanio( Gia_Man_t * pGia, int nNodes );
extern Gia_Man_t * Gia_ManDupCof( Gia_Man_t * p, int iVar );
extern Gia_Man_t * Gia_ManDupCofAllInt( Gia_Man_t * p, Vec_Int_t * vSigs, int fVerbose );
extern Gia_Man_t * Gia_ManDupCofAll( Gia_Man_t * p, int nFanLim, int fVerbose );
/*=== giaDfs.c ============================================================*/
extern void Gia_ManCollectCis( Gia_Man_t * p, int * pNodes, int nNodes, Vec_Int_t * vSupp );
extern void Gia_ManCollectAnds( Gia_Man_t * p, int * pNodes, int nNodes, Vec_Int_t * vNodes );
extern int Gia_ManSuppSize( Gia_Man_t * p, int * pNodes, int nNodes );
extern int Gia_ManConeSize( Gia_Man_t * p, int * pNodes, int nNodes );
/*=== giaDup.c ============================================================*/
extern Gia_Man_t * Gia_ManDup( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupSelf( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupFlopClass( Gia_Man_t * p, int iClass );
extern Gia_Man_t * Gia_ManDupMarked( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupTimes( Gia_Man_t * p, int nTimes );
extern Gia_Man_t * Gia_ManDupDfs( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupDfsSkip( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupDfsCone( Gia_Man_t * p, Gia_Obj_t * pObj );
extern Gia_Man_t * Gia_ManDupDfsLitArray( Gia_Man_t * p, Vec_Int_t * vLits );
extern Gia_Man_t * Gia_ManDupNormalized( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupTrimmed( Gia_Man_t * p, int fTrimCis, int fTrimCos );
extern Gia_Man_t * Gia_ManDupDfsCiMap( Gia_Man_t * p, int * pCi2Lit, Vec_Int_t * vLits );
extern Gia_Man_t * Gia_ManDupDfsClasses( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupTopAnd( Gia_Man_t * p, int fVerbose );
extern Gia_Man_t * Gia_ManMiter( Gia_Man_t * pAig0, Gia_Man_t * pAig1, int fDualOut, int fSeq, int fVerbose );
extern Gia_Man_t * Gia_ManTransformMiter( Gia_Man_t * p );
/*=== giaEnable.c ==========================================================*/
extern void Gia_ManDetectSeqSignals( Gia_Man_t * p, int fSetReset, int fVerbose );
extern Gia_Man_t * Gia_ManUnrollAndCofactor( Gia_Man_t * p, int nFrames, int nFanMax, int fVerbose );
extern Gia_Man_t * Gia_ManRemoveEnables( Gia_Man_t * p );
/*=== giaEquiv.c ==========================================================*/
extern int Gia_ManCheckTopoOrder( Gia_Man_t * p );
extern int * Gia_ManDeriveNexts( Gia_Man_t * p );
extern void Gia_ManEquivPrintOne( Gia_Man_t * p, int i, int Counter );
extern void Gia_ManEquivPrintClasses( Gia_Man_t * p, int fVerbose, float Mem );
extern Gia_Man_t * Gia_ManEquivReduce( Gia_Man_t * p, int fUseAll, int fDualOut, int fVerbose );
extern Gia_Man_t * Gia_ManEquivReduceAndRemap( Gia_Man_t * p, int fSeq, int fMiterPairs );
extern int Gia_ManEquivSetColors( Gia_Man_t * p, int fVerbose );
extern Gia_Man_t * Gia_ManSpecReduce( Gia_Man_t * p, int fDualOut, int fVerbose );
extern Gia_Man_t * Gia_ManSpecReduceInit( Gia_Man_t * p, Gia_Cex_t * pInit, int nFrames, int fDualOut );
extern void Gia_ManEquivTransform( Gia_Man_t * p, int fVerbose );
/*=== giaFanout.c =========================================================*/
extern void Gia_ObjAddFanout( Gia_Man_t * p, Gia_Obj_t * pObj, Gia_Obj_t * pFanout );
extern void Gia_ObjRemoveFanout( Gia_Man_t * p, Gia_Obj_t * pObj, Gia_Obj_t * pFanout );
extern void Gia_ManFanoutStart( Gia_Man_t * p );
extern void Gia_ManFanoutStop( Gia_Man_t * p );
/*=== giaForce.c =========================================================*/
extern void For_ManExperiment( Gia_Man_t * pGia, int nIters, int fClustered, int fVerbose );
/*=== giaFrames.c =========================================================*/
extern void Gia_ManFraSetDefaultParams( Gia_ParFra_t * p );
extern Gia_Man_t * Gia_ManFrames( Gia_Man_t * pAig, Gia_ParFra_t * pPars );
/*=== giaFront.c ==========================================================*/
extern Gia_Man_t * Gia_ManFront( Gia_Man_t * p );
extern void Gia_ManFrontTest( Gia_Man_t * p );
/*=== giaHash.c ===========================================================*/
extern void Gia_ManHashAlloc( Gia_Man_t * p );
extern void Gia_ManHashStart( Gia_Man_t * p );
extern void Gia_ManHashStop( Gia_Man_t * p );
extern int Gia_ManHashAnd( Gia_Man_t * p, int iLit0, int iLit1 );
extern int Gia_ManHashXor( Gia_Man_t * p, int iLit0, int iLit1 );
extern int Gia_ManHashMux( Gia_Man_t * p, int iCtrl, int iData1, int iData0 );
extern int Gia_ManHashAndTry( Gia_Man_t * p, int iLit0, int iLit1 );
extern Gia_Man_t * Gia_ManRehash( Gia_Man_t * p );
/*=== giaLogic.c ===========================================================*/
extern void Gia_ManTestDistance( Gia_Man_t * p );
extern void Gia_ManSolveProblem( Gia_Man_t * pGia, Emb_Par_t * pPars );
/*=== giaMan.c ===========================================================*/
extern Gia_Man_t * Gia_ManStart( int nObjsMax );
extern void Gia_ManStop( Gia_Man_t * p );
extern void Gia_ManPrintStats( Gia_Man_t * p );
extern void Gia_ManPrintStatsShort( Gia_Man_t * p );
extern void Gia_ManPrintMiterStatus( Gia_Man_t * p );
extern void Gia_ManSetRegNum( Gia_Man_t * p, int nRegs );
extern void Gia_ManReportImprovement( Gia_Man_t * p, Gia_Man_t * pNew );
/*=== giaMap.c ===========================================================*/
extern void Gia_ManPrintMappingStats( Gia_Man_t * p );
/*=== giaRetime.c ===========================================================*/
extern Gia_Man_t * Gia_ManRetimeForward( Gia_Man_t * p, int nMaxIters, int fVerbose );
/*=== giaSat.c ============================================================*/
extern int Sat_ManTest( Gia_Man_t * pGia, Gia_Obj_t * pObj, int nConfsMax );
/*=== giaScl.c ============================================================*/
extern int Gia_ManSeqMarkUsed( Gia_Man_t * p );
extern int Gia_ManCombMarkUsed( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManCleanup( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManSeqCleanup( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManSeqStructSweep( Gia_Man_t * p, int fConst, int fEquiv, int fVerbose );
/*=== giaSort.c ============================================================*/
extern int * Gia_SortFloats( float * pArray, int * pPerm, int nSize );
/*=== giaSim.c ============================================================*/
extern int Gia_ManSimSimulate( Gia_Man_t * pAig, Gia_ParSim_t * pPars );
/*=== giaTsim.c ============================================================*/
extern Gia_Man_t * Gia_ManReduceConst( Gia_Man_t * pAig, int fVerbose );
/*=== giaUtil.c ===========================================================*/
extern void Gia_ManSetMark0( Gia_Man_t * p );
extern void Gia_ManCleanMark0( Gia_Man_t * p );
extern void Gia_ManCheckMark0( Gia_Man_t * p );
extern void Gia_ManSetMark1( Gia_Man_t * p );
extern void Gia_ManCleanMark1( Gia_Man_t * p );
extern void Gia_ManCheckMark1( Gia_Man_t * p );
extern void Gia_ManCleanValue( Gia_Man_t * p );
extern void Gia_ManFillValue( Gia_Man_t * p );
extern void Gia_ManSetPhase( Gia_Man_t * p );
extern int Gia_ManLevelNum( Gia_Man_t * p );
extern void Gia_ManSetRefs( Gia_Man_t * p );
extern int * Gia_ManCreateMuxRefs( Gia_Man_t * p );
extern void Gia_ManCreateRefs( Gia_Man_t * p );
extern int Gia_ManCrossCut( Gia_Man_t * p );
extern int Gia_ManIsNormalized( Gia_Man_t * p );
extern Vec_Int_t * Gia_ManCollectPoIds( Gia_Man_t * p );
extern int Gia_ObjIsMuxType( Gia_Obj_t * pNode );
extern int Gia_ObjRecognizeExor( Gia_Obj_t * pObj, Gia_Obj_t ** ppFan0, Gia_Obj_t ** ppFan1 );
extern Gia_Obj_t * Gia_ObjRecognizeMux( Gia_Obj_t * pNode, Gia_Obj_t ** ppNodeT, Gia_Obj_t ** ppNodeE );
extern Gia_Cex_t * Gia_ManAllocCounterExample( int nRegs, int nRealPis, int nFrames );
extern int Gia_ManVerifyCounterExample( Gia_Man_t * pAig, Gia_Cex_t * p, int fDualOut );
extern void Gia_ManPrintCounterExample( Gia_Cex_t * p );
#ifdef __cplusplus
}
#endif
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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