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/**CFile****************************************************************
FileName [dchInt.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Choice computation for tech-mapping.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 29, 2008.]
Revision [$Id: dchInt.h,v 1.00 2008/07/29 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef ABC__aig__dch__dchInt_h
#define ABC__aig__dch__dchInt_h
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
#include "aig/aig/aig.h"
#include "sat/bsat/satSolver.h"
#include "dch.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_HEADER_START
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
// equivalence classes
typedef struct Dch_Cla_t_ Dch_Cla_t;
// choicing manager
typedef struct Dch_Man_t_ Dch_Man_t;
struct Dch_Man_t_
{
// parameters
Dch_Pars_t * pPars; // choicing parameters
// AIGs used in the package
// Vec_Ptr_t * vAigs; // user-given AIGs
Aig_Man_t * pAigTotal; // intermediate AIG
Aig_Man_t * pAigFraig; // final AIG
// equivalence classes
Dch_Cla_t * ppClasses; // equivalence classes of nodes
Aig_Obj_t ** pReprsProved; // equivalences proved
// SAT solving
sat_solver * pSat; // recyclable SAT solver
int nSatVars; // the counter of SAT variables
int * pSatVars; // mapping of each node into its SAT var
Vec_Ptr_t * vUsedNodes; // nodes whose SAT vars are assigned
int nRecycles; // the number of times SAT solver was recycled
int nCallsSince; // the number of calls since the last recycle
Vec_Ptr_t * vFanins; // fanins of the CNF node
Vec_Ptr_t * vSimRoots; // the roots of cand const 1 nodes to simulate
Vec_Ptr_t * vSimClasses; // the roots of cand equiv classes to simulate
// solver cone size
int nConeThis;
int nConeMax;
// SAT calls statistics
int nSatCalls; // the number of SAT calls
int nSatProof; // the number of proofs
int nSatFailsReal; // the number of timeouts
int nSatCallsUnsat; // the number of unsat SAT calls
int nSatCallsSat; // the number of sat SAT calls
// choice node statistics
int nLits; // the number of lits in the cand equiv classes
int nReprs; // the number of proved equivalent pairs
int nEquivs; // the number of final equivalences
int nChoices; // the number of final choice nodes
// runtime stats
abctime timeSimInit; // simulation and class computation
abctime timeSimSat; // simulation of the counter-examples
abctime timeSat; // solving SAT
abctime timeSatSat; // sat
abctime timeSatUnsat; // unsat
abctime timeSatUndec; // undecided
abctime timeChoice; // choice computation
abctime timeOther; // other runtime
abctime timeTotal; // total runtime
};
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
static inline int Dch_ObjSatNum( Dch_Man_t * p, Aig_Obj_t * pObj ) { return p->pSatVars[pObj->Id]; }
static inline void Dch_ObjSetSatNum( Dch_Man_t * p, Aig_Obj_t * pObj, int Num ) { p->pSatVars[pObj->Id] = Num; }
static inline Aig_Obj_t * Dch_ObjFraig( Aig_Obj_t * pObj ) { return (Aig_Obj_t *)pObj->pData; }
static inline void Dch_ObjSetFraig( Aig_Obj_t * pObj, Aig_Obj_t * pNode ) { pObj->pData = pNode; }
static inline int Dch_ObjIsConst1Cand( Aig_Man_t * pAig, Aig_Obj_t * pObj )
{
return Aig_ObjRepr(pAig, pObj) == Aig_ManConst1(pAig);
}
static inline void Dch_ObjSetConst1Cand( Aig_Man_t * pAig, Aig_Obj_t * pObj )
{
assert( !Dch_ObjIsConst1Cand( pAig, pObj ) );
Aig_ObjSetRepr( pAig, pObj, Aig_ManConst1(pAig) );
}
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== dchAig.c ===================================================*/
/*=== dchChoice.c ===================================================*/
extern int Dch_DeriveChoiceCountReprs( Aig_Man_t * pAig );
extern int Dch_DeriveChoiceCountEquivs( Aig_Man_t * pAig );
extern Aig_Man_t * Dch_DeriveChoiceAig( Aig_Man_t * pAig, int fSkipRedSupps );
/*=== dchClass.c =================================================*/
extern Dch_Cla_t * Dch_ClassesStart( Aig_Man_t * pAig );
extern void Dch_ClassesSetData( Dch_Cla_t * p, void * pManData,
unsigned (*pFuncNodeHash)(void *,Aig_Obj_t *),
int (*pFuncNodeIsConst)(void *,Aig_Obj_t *),
int (*pFuncNodesAreEqual)(void *,Aig_Obj_t *, Aig_Obj_t *) );
extern void Dch_ClassesStop( Dch_Cla_t * p );
extern int Dch_ClassesLitNum( Dch_Cla_t * p );
extern Aig_Obj_t ** Dch_ClassesReadClass( Dch_Cla_t * p, Aig_Obj_t * pRepr, int * pnSize );
extern void Dch_ClassesPrint( Dch_Cla_t * p, int fVeryVerbose );
extern void Dch_ClassesPrepare( Dch_Cla_t * p, int fLatchCorr, int nMaxLevs );
extern int Dch_ClassesRefine( Dch_Cla_t * p );
extern int Dch_ClassesRefineOneClass( Dch_Cla_t * p, Aig_Obj_t * pRepr, int fRecursive );
extern void Dch_ClassesCollectOneClass( Dch_Cla_t * p, Aig_Obj_t * pRepr, Vec_Ptr_t * vRoots );
extern void Dch_ClassesCollectConst1Group( Dch_Cla_t * p, Aig_Obj_t * pObj, int nNodes, Vec_Ptr_t * vRoots );
extern int Dch_ClassesRefineConst1Group( Dch_Cla_t * p, Vec_Ptr_t * vRoots, int fRecursive );
/*=== dchCnf.c ===================================================*/
extern void Dch_CnfNodeAddToSolver( Dch_Man_t * p, Aig_Obj_t * pObj );
/*=== dchMan.c ===================================================*/
extern Dch_Man_t * Dch_ManCreate( Aig_Man_t * pAig, Dch_Pars_t * pPars );
extern void Dch_ManStop( Dch_Man_t * p );
extern void Dch_ManSatSolverRecycle( Dch_Man_t * p );
/*=== dchSat.c ===================================================*/
extern int Dch_NodesAreEquiv( Dch_Man_t * p, Aig_Obj_t * pObj1, Aig_Obj_t * pObj2 );
/*=== dchSim.c ===================================================*/
extern Dch_Cla_t * Dch_CreateCandEquivClasses( Aig_Man_t * pAig, int nWords, int fVerbose );
/*=== dchSimSat.c ===================================================*/
extern void Dch_ManResimulateCex( Dch_Man_t * p, Aig_Obj_t * pObj, Aig_Obj_t * pRepr );
extern void Dch_ManResimulateCex2( Dch_Man_t * p, Aig_Obj_t * pObj, Aig_Obj_t * pRepr );
/*=== dchSweep.c ===================================================*/
extern void Dch_ManSweep( Dch_Man_t * p );
ABC_NAMESPACE_HEADER_END
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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