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|
/**CFile****************************************************************
FileName [ivy.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [And-Inverter Graph package.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - May 11, 2006.]
Revision [$Id: ivy.c,v 1.00 2006/05/11 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef __IVY_H__
#define __IVY_H__
#ifdef __cplusplus
extern "C" {
#endif
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include "vec.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct Ivy_Man_t_ Ivy_Man_t;
typedef struct Ivy_Obj_t_ Ivy_Obj_t;
typedef int Ivy_Edge_t;
typedef struct Ivy_FraigParams_t_ Ivy_FraigParams_t;
// object types
typedef enum {
IVY_NONE, // 0: non-existent object
IVY_PI, // 1: primary input (and constant 1 node)
IVY_PO, // 2: primary output
IVY_ASSERT, // 3: assertion
IVY_LATCH, // 4: sequential element
IVY_AND, // 5: AND node
IVY_EXOR, // 6: EXOR node
IVY_BUF, // 7: buffer (temporary)
IVY_VOID // 8: unused object
} Ivy_Type_t;
// latch initial values
typedef enum {
IVY_INIT_NONE, // 0: not a latch
IVY_INIT_0, // 1: zero
IVY_INIT_1, // 2: one
IVY_INIT_DC // 3: don't-care
} Ivy_Init_t;
// the AIG node
struct Ivy_Obj_t_ // 24 bytes (32-bit) or 32 bytes (64-bit) // 10 words - 16 words
{
int Id; // integer ID
int TravId; // traversal ID
unsigned Type : 4; // object type
unsigned fMarkA : 1; // multipurpose mask
unsigned fMarkB : 1; // multipurpose mask
unsigned fExFan : 1; // set to 1 if last fanout added is EXOR
unsigned fPhase : 1; // value under 000...0 pattern
unsigned fFailTfo : 1; // the TFO of the failed node
unsigned Init : 2; // latch initial value
unsigned Level : 21; // logic level
int nRefs; // reference counter
Ivy_Obj_t * pFanin0; // fanin
Ivy_Obj_t * pFanin1; // fanin
Ivy_Obj_t * pFanout; // fanout
Ivy_Obj_t * pNextFan0; // next fanout of the first fanin
Ivy_Obj_t * pNextFan1; // next fanout of the second fanin
Ivy_Obj_t * pPrevFan0; // prev fanout of the first fanin
Ivy_Obj_t * pPrevFan1; // prev fanout of the second fanin
Ivy_Obj_t * pEquiv; // equivalent node
};
// the AIG manager
struct Ivy_Man_t_
{
// AIG nodes
Vec_Ptr_t * vPis; // the array of PIs
Vec_Ptr_t * vPos; // the array of POs
Vec_Ptr_t * vBufs; // the array of buffers
Vec_Ptr_t * vObjs; // the array of objects
Ivy_Obj_t * pConst1; // the constant 1 node
Ivy_Obj_t Ghost; // the ghost node
// AIG node counters
int nObjs[IVY_VOID];// the number of objects by type
int nCreated; // the number of created objects
int nDeleted; // the number of deleted objects
// stuctural hash table
int * pTable; // structural hash table
int nTableSize; // structural hash table size
// various data members
int fCatchExor; // set to 1 to detect EXORs
int nTravIds; // the traversal ID
int nLevelMax; // the maximum level
Vec_Int_t * vRequired; // required times
int fFanout; // fanout is allocated
void * pData; // the temporary data
void * pCopy; // the temporary data
Ivy_Man_t * pHaig; // history AIG if present
int nClassesSkip; // the number of skipped classes
// memory management
Vec_Ptr_t * vChunks; // allocated memory pieces
Vec_Ptr_t * vPages; // memory pages used by nodes
Ivy_Obj_t * pListFree; // the list of free nodes
// timing statistics
int time1;
int time2;
};
struct Ivy_FraigParams_t_
{
int nSimWords; // the number of words in the simulation info
double SimSatur; // the ratio of refined classes when saturation is reached
int fPatScores; // enables simulation pattern scoring
int MaxScore; // max score after which resimulation is used
int fVerbose; // verbose output
int nBTLimitNode; // conflict limit at a node
int nBTLimitMiter; // conflict limit at an output
int nBTLimitGlobal; // conflict limit global
int nInsLimitNode; // inspection limit at a node
int nInsLimitMiter; // inspection limit at an output
int nInsLimitGlobal; // inspection limit global
};
#define IVY_CUT_LIMIT 256
#define IVY_CUT_INPUT 6
typedef struct Ivy_Cut_t_ Ivy_Cut_t;
struct Ivy_Cut_t_
{
short nSize;
short nSizeMax;
int pArray[IVY_CUT_INPUT];
unsigned uHash;
};
typedef struct Ivy_Store_t_ Ivy_Store_t;
struct Ivy_Store_t_
{
int nCuts;
int nCutsM;
int nCutsMax;
int fSatur;
Ivy_Cut_t pCuts[IVY_CUT_LIMIT]; // storage for cuts
};
#define IVY_LEAF_MASK 255
#define IVY_LEAF_BITS 8
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
#define IVY_MIN(a,b) (((a) < (b))? (a) : (b))
#define IVY_MAX(a,b) (((a) > (b))? (a) : (b))
static inline int Ivy_BitWordNum( int nBits ) { return (nBits>>5) + ((nBits&31) > 0); }
static inline int Ivy_TruthWordNum( int nVars ) { return nVars <= 5 ? 1 : (1 << (nVars - 5)); }
static inline int Ivy_InfoHasBit( unsigned * p, int i ) { return (p[(i)>>5] & (1<<((i) & 31))) > 0; }
static inline void Ivy_InfoSetBit( unsigned * p, int i ) { p[(i)>>5] |= (1<<((i) & 31)); }
static inline void Ivy_InfoXorBit( unsigned * p, int i ) { p[(i)>>5] ^= (1<<((i) & 31)); }
static inline Ivy_Obj_t * Ivy_Regular( Ivy_Obj_t * p ) { return (Ivy_Obj_t *)((unsigned)(p) & ~01); }
static inline Ivy_Obj_t * Ivy_Not( Ivy_Obj_t * p ) { return (Ivy_Obj_t *)((unsigned)(p) ^ 01); }
static inline Ivy_Obj_t * Ivy_NotCond( Ivy_Obj_t * p, int c ) { return (Ivy_Obj_t *)((unsigned)(p) ^ (c)); }
static inline int Ivy_IsComplement( Ivy_Obj_t * p ) { return (int )(((unsigned)p) & 01); }
static inline Ivy_Obj_t * Ivy_ManConst0( Ivy_Man_t * p ) { return Ivy_Not(p->pConst1); }
static inline Ivy_Obj_t * Ivy_ManConst1( Ivy_Man_t * p ) { return p->pConst1; }
static inline Ivy_Obj_t * Ivy_ManGhost( Ivy_Man_t * p ) { return &p->Ghost; }
static inline Ivy_Obj_t * Ivy_ManPi( Ivy_Man_t * p, int i ) { return (Ivy_Obj_t *)Vec_PtrEntry(p->vPis, i); }
static inline Ivy_Obj_t * Ivy_ManPo( Ivy_Man_t * p, int i ) { return (Ivy_Obj_t *)Vec_PtrEntry(p->vPos, i); }
static inline Ivy_Obj_t * Ivy_ManObj( Ivy_Man_t * p, int i ) { return (Ivy_Obj_t *)Vec_PtrEntry(p->vObjs, i); }
static inline Ivy_Edge_t Ivy_EdgeCreate( int Id, int fCompl ) { return (Id << 1) | fCompl; }
static inline int Ivy_EdgeId( Ivy_Edge_t Edge ) { return Edge >> 1; }
static inline int Ivy_EdgeIsComplement( Ivy_Edge_t Edge ) { return Edge & 1; }
static inline Ivy_Edge_t Ivy_EdgeRegular( Ivy_Edge_t Edge ) { return (Edge >> 1) << 1; }
static inline Ivy_Edge_t Ivy_EdgeNot( Ivy_Edge_t Edge ) { return Edge ^ 1; }
static inline Ivy_Edge_t Ivy_EdgeNotCond( Ivy_Edge_t Edge, int fCond ) { return Edge ^ fCond; }
static inline Ivy_Edge_t Ivy_EdgeFromNode( Ivy_Obj_t * pNode ) { return Ivy_EdgeCreate( Ivy_Regular(pNode)->Id, Ivy_IsComplement(pNode) ); }
static inline Ivy_Obj_t * Ivy_EdgeToNode( Ivy_Man_t * p, Ivy_Edge_t Edge ){ return Ivy_NotCond( Ivy_ManObj(p, Ivy_EdgeId(Edge)), Ivy_EdgeIsComplement(Edge) ); }
static inline int Ivy_LeafCreate( int Id, int Lat ) { return (Id << IVY_LEAF_BITS) | Lat; }
static inline int Ivy_LeafId( int Leaf ) { return Leaf >> IVY_LEAF_BITS; }
static inline int Ivy_LeafLat( int Leaf ) { return Leaf & IVY_LEAF_MASK; }
static inline int Ivy_ManPiNum( Ivy_Man_t * p ) { return p->nObjs[IVY_PI]; }
static inline int Ivy_ManPoNum( Ivy_Man_t * p ) { return p->nObjs[IVY_PO]; }
static inline int Ivy_ManAssertNum( Ivy_Man_t * p ) { return p->nObjs[IVY_ASSERT]; }
static inline int Ivy_ManLatchNum( Ivy_Man_t * p ) { return p->nObjs[IVY_LATCH]; }
static inline int Ivy_ManAndNum( Ivy_Man_t * p ) { return p->nObjs[IVY_AND]; }
static inline int Ivy_ManExorNum( Ivy_Man_t * p ) { return p->nObjs[IVY_EXOR]; }
static inline int Ivy_ManBufNum( Ivy_Man_t * p ) { return p->nObjs[IVY_BUF]; }
static inline int Ivy_ManObjNum( Ivy_Man_t * p ) { return p->nCreated - p->nDeleted; }
static inline int Ivy_ManObjIdMax( Ivy_Man_t * p ) { return Vec_PtrSize(p->vObjs)-1; }
static inline int Ivy_ManNodeNum( Ivy_Man_t * p ) { return p->nObjs[IVY_AND]+p->nObjs[IVY_EXOR];}
static inline int Ivy_ManHashObjNum( Ivy_Man_t * p ) { return p->nObjs[IVY_AND]+p->nObjs[IVY_EXOR]+p->nObjs[IVY_LATCH]; }
static inline int Ivy_ManGetCost( Ivy_Man_t * p ) { return p->nObjs[IVY_AND]+3*p->nObjs[IVY_EXOR]+8*p->nObjs[IVY_LATCH]; }
static inline Ivy_Type_t Ivy_ObjType( Ivy_Obj_t * pObj ) { return pObj->Type; }
static inline Ivy_Init_t Ivy_ObjInit( Ivy_Obj_t * pObj ) { return pObj->Init; }
static inline int Ivy_ObjIsConst1( Ivy_Obj_t * pObj ) { return pObj->Id == 0; }
static inline int Ivy_ObjIsGhost( Ivy_Obj_t * pObj ) { return pObj->Id < 0; }
static inline int Ivy_ObjIsNone( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_NONE; }
static inline int Ivy_ObjIsPi( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_PI; }
static inline int Ivy_ObjIsPo( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_PO; }
static inline int Ivy_ObjIsCi( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_PI || pObj->Type == IVY_LATCH; }
static inline int Ivy_ObjIsCo( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_PO || pObj->Type == IVY_LATCH; }
static inline int Ivy_ObjIsAssert( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_ASSERT; }
static inline int Ivy_ObjIsLatch( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_LATCH; }
static inline int Ivy_ObjIsAnd( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_AND; }
static inline int Ivy_ObjIsExor( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_EXOR; }
static inline int Ivy_ObjIsBuf( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_BUF; }
static inline int Ivy_ObjIsNode( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_AND || pObj->Type == IVY_EXOR; }
static inline int Ivy_ObjIsTerm( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_PI || pObj->Type == IVY_PO || pObj->Type == IVY_ASSERT; }
static inline int Ivy_ObjIsHash( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_AND || pObj->Type == IVY_EXOR || pObj->Type == IVY_LATCH; }
static inline int Ivy_ObjIsOneFanin( Ivy_Obj_t * pObj ) { return pObj->Type == IVY_PO || pObj->Type == IVY_ASSERT || pObj->Type == IVY_BUF || pObj->Type == IVY_LATCH; }
static inline int Ivy_ObjIsMarkA( Ivy_Obj_t * pObj ) { return pObj->fMarkA; }
static inline void Ivy_ObjSetMarkA( Ivy_Obj_t * pObj ) { pObj->fMarkA = 1; }
static inline void Ivy_ObjClearMarkA( Ivy_Obj_t * pObj ) { pObj->fMarkA = 0; }
static inline void Ivy_ObjSetTravId( Ivy_Obj_t * pObj, int TravId ) { pObj->TravId = TravId; }
static inline void Ivy_ObjSetTravIdCurrent( Ivy_Man_t * p, Ivy_Obj_t * pObj ) { pObj->TravId = p->nTravIds; }
static inline void Ivy_ObjSetTravIdPrevious( Ivy_Man_t * p, Ivy_Obj_t * pObj ) { pObj->TravId = p->nTravIds - 1; }
static inline int Ivy_ObjIsTravIdCurrent( Ivy_Man_t * p, Ivy_Obj_t * pObj ) { return (int )((int)pObj->TravId == p->nTravIds); }
static inline int Ivy_ObjIsTravIdPrevious( Ivy_Man_t * p, Ivy_Obj_t * pObj ) { return (int )((int)pObj->TravId == p->nTravIds - 1); }
static inline int Ivy_ObjId( Ivy_Obj_t * pObj ) { return pObj->Id; }
static inline int Ivy_ObjTravId( Ivy_Obj_t * pObj ) { return pObj->TravId; }
static inline int Ivy_ObjPhase( Ivy_Obj_t * pObj ) { return pObj->fPhase; }
static inline int Ivy_ObjExorFanout( Ivy_Obj_t * pObj ) { return pObj->fExFan; }
static inline int Ivy_ObjRefs( Ivy_Obj_t * pObj ) { return pObj->nRefs; }
static inline void Ivy_ObjRefsInc( Ivy_Obj_t * pObj ) { pObj->nRefs++; }
static inline void Ivy_ObjRefsDec( Ivy_Obj_t * pObj ) { assert( pObj->nRefs > 0 ); pObj->nRefs--; }
static inline int Ivy_ObjFaninId0( Ivy_Obj_t * pObj ) { return pObj->pFanin0? Ivy_ObjId(Ivy_Regular(pObj->pFanin0)) : 0; }
static inline int Ivy_ObjFaninId1( Ivy_Obj_t * pObj ) { return pObj->pFanin1? Ivy_ObjId(Ivy_Regular(pObj->pFanin1)) : 0; }
static inline int Ivy_ObjFaninC0( Ivy_Obj_t * pObj ) { return Ivy_IsComplement(pObj->pFanin0); }
static inline int Ivy_ObjFaninC1( Ivy_Obj_t * pObj ) { return Ivy_IsComplement(pObj->pFanin1); }
static inline Ivy_Obj_t * Ivy_ObjFanin0( Ivy_Obj_t * pObj ) { return Ivy_Regular(pObj->pFanin0); }
static inline Ivy_Obj_t * Ivy_ObjFanin1( Ivy_Obj_t * pObj ) { return Ivy_Regular(pObj->pFanin1); }
static inline Ivy_Obj_t * Ivy_ObjChild0( Ivy_Obj_t * pObj ) { return pObj->pFanin0; }
static inline Ivy_Obj_t * Ivy_ObjChild1( Ivy_Obj_t * pObj ) { return pObj->pFanin1; }
static inline Ivy_Obj_t * Ivy_ObjChild0Equiv( Ivy_Obj_t * pObj ) { assert( !Ivy_IsComplement(pObj) ); return Ivy_ObjFanin0(pObj)? Ivy_NotCond(Ivy_ObjFanin0(pObj)->pEquiv, Ivy_ObjFaninC0(pObj)) : NULL; }
static inline Ivy_Obj_t * Ivy_ObjChild1Equiv( Ivy_Obj_t * pObj ) { assert( !Ivy_IsComplement(pObj) ); return Ivy_ObjFanin1(pObj)? Ivy_NotCond(Ivy_ObjFanin1(pObj)->pEquiv, Ivy_ObjFaninC1(pObj)) : NULL; }
static inline int Ivy_ObjLevel( Ivy_Obj_t * pObj ) { return pObj->Level; }
static inline int Ivy_ObjLevelNew( Ivy_Obj_t * pObj ) { return 1 + Ivy_ObjIsExor(pObj) + IVY_MAX(Ivy_ObjFanin0(pObj)->Level, Ivy_ObjFanin1(pObj)->Level); }
static inline int Ivy_ObjFaninPhase( Ivy_Obj_t * pObj ) { return Ivy_IsComplement(pObj)? !Ivy_Regular(pObj)->fPhase : pObj->fPhase; }
static inline void Ivy_ObjClean( Ivy_Obj_t * pObj )
{
int IdSaved = pObj->Id;
memset( pObj, 0, sizeof(Ivy_Obj_t) );
pObj->Id = IdSaved;
}
static inline void Ivy_ObjOverwrite( Ivy_Obj_t * pBase, Ivy_Obj_t * pData )
{
int IdSaved = pBase->Id;
memcpy( pBase, pData, sizeof(Ivy_Obj_t) );
pBase->Id = IdSaved;
}
static inline int Ivy_ObjWhatFanin( Ivy_Obj_t * pObj, Ivy_Obj_t * pFanin )
{
if ( Ivy_ObjFanin0(pObj) == pFanin ) return 0;
if ( Ivy_ObjFanin1(pObj) == pFanin ) return 1;
assert(0); return -1;
}
static inline int Ivy_ObjFanoutC( Ivy_Obj_t * pObj, Ivy_Obj_t * pFanout )
{
if ( Ivy_ObjFanin0(pFanout) == pObj ) return Ivy_ObjFaninC0(pObj);
if ( Ivy_ObjFanin1(pFanout) == pObj ) return Ivy_ObjFaninC1(pObj);
assert(0); return -1;
}
// create the ghost of the new node
static inline Ivy_Obj_t * Ivy_ObjCreateGhost( Ivy_Man_t * p, Ivy_Obj_t * p0, Ivy_Obj_t * p1, Ivy_Type_t Type, Ivy_Init_t Init )
{
Ivy_Obj_t * pGhost, * pTemp;
assert( Type != IVY_AND || !Ivy_ObjIsConst1(Ivy_Regular(p0)) );
assert( p1 == NULL || !Ivy_ObjIsConst1(Ivy_Regular(p1)) );
assert( Type == IVY_PI || Ivy_Regular(p0) != Ivy_Regular(p1) );
assert( Type != IVY_LATCH || !Ivy_IsComplement(p0) );
// assert( p1 == NULL || (!Ivy_ObjIsLatch(Ivy_Regular(p0)) || !Ivy_ObjIsLatch(Ivy_Regular(p1))) );
pGhost = Ivy_ManGhost(p);
pGhost->Type = Type;
pGhost->Init = Init;
pGhost->pFanin0 = p0;
pGhost->pFanin1 = p1;
if ( p1 && Ivy_ObjFaninId0(pGhost) > Ivy_ObjFaninId1(pGhost) )
pTemp = pGhost->pFanin0, pGhost->pFanin0 = pGhost->pFanin1, pGhost->pFanin1 = pTemp;
return pGhost;
}
// get the complemented initial state
static Ivy_Init_t Ivy_InitNotCond( Ivy_Init_t Init, int fCompl )
{
assert( Init != IVY_INIT_NONE );
if ( fCompl == 0 )
return Init;
if ( Init == IVY_INIT_0 )
return IVY_INIT_1;
if ( Init == IVY_INIT_1 )
return IVY_INIT_0;
return IVY_INIT_DC;
}
// get the initial state after forward retiming over AND gate
static Ivy_Init_t Ivy_InitAnd( Ivy_Init_t InitA, Ivy_Init_t InitB )
{
assert( InitA != IVY_INIT_NONE && InitB != IVY_INIT_NONE );
if ( InitA == IVY_INIT_0 || InitB == IVY_INIT_0 )
return IVY_INIT_0;
if ( InitA == IVY_INIT_DC || InitB == IVY_INIT_DC )
return IVY_INIT_DC;
return IVY_INIT_1;
}
// get the initial state after forward retiming over EXOR gate
static Ivy_Init_t Ivy_InitExor( Ivy_Init_t InitA, Ivy_Init_t InitB )
{
assert( InitA != IVY_INIT_NONE && InitB != IVY_INIT_NONE );
if ( InitA == IVY_INIT_DC || InitB == IVY_INIT_DC )
return IVY_INIT_DC;
if ( InitA == IVY_INIT_0 && InitB == IVY_INIT_1 )
return IVY_INIT_1;
if ( InitA == IVY_INIT_1 && InitB == IVY_INIT_0 )
return IVY_INIT_1;
return IVY_INIT_0;
}
// internal memory manager
static inline Ivy_Obj_t * Ivy_ManFetchMemory( Ivy_Man_t * p )
{
extern void Ivy_ManAddMemory( Ivy_Man_t * p );
Ivy_Obj_t * pTemp;
if ( p->pListFree == NULL )
Ivy_ManAddMemory( p );
pTemp = p->pListFree;
p->pListFree = *((Ivy_Obj_t **)pTemp);
memset( pTemp, 0, sizeof(Ivy_Obj_t) );
return pTemp;
}
static inline void Ivy_ManRecycleMemory( Ivy_Man_t * p, Ivy_Obj_t * pEntry )
{
pEntry->Type = IVY_NONE; // distinquishes dead node from live node
*((Ivy_Obj_t **)pEntry) = p->pListFree;
p->pListFree = pEntry;
}
////////////////////////////////////////////////////////////////////////
/// ITERATORS ///
////////////////////////////////////////////////////////////////////////
// iterator over the primary inputs
#define Ivy_ManForEachPi( p, pObj, i ) \
Vec_PtrForEachEntry( p->vPis, pObj, i )
// iterator over the primary outputs
#define Ivy_ManForEachPo( p, pObj, i ) \
Vec_PtrForEachEntry( p->vPos, pObj, i )
// iterator over all objects, including those currently not used
#define Ivy_ManForEachObj( p, pObj, i ) \
Vec_PtrForEachEntry( p->vObjs, pObj, i ) if ( (pObj) == NULL ) {} else
// iterator over the combinational inputs
#define Ivy_ManForEachCi( p, pObj, i ) \
Ivy_ManForEachObj( p, pObj, i ) if ( !Ivy_ObjIsCi(pObj) ) {} else
// iterator over the combinational outputs
#define Ivy_ManForEachCo( p, pObj, i ) \
Ivy_ManForEachObj( p, pObj, i ) if ( !Ivy_ObjIsCo(pObj) ) {} else
// iterator over logic nodes (AND and EXOR gates)
#define Ivy_ManForEachNode( p, pObj, i ) \
Ivy_ManForEachObj( p, pObj, i ) if ( !Ivy_ObjIsNode(pObj) ) {} else
// iterator over logic latches
#define Ivy_ManForEachLatch( p, pObj, i ) \
Ivy_ManForEachObj( p, pObj, i ) if ( !Ivy_ObjIsLatch(pObj) ) {} else
// iterator over the nodes whose IDs are stored in the array
#define Ivy_ManForEachNodeVec( p, vIds, pObj, i ) \
for ( i = 0; i < Vec_IntSize(vIds) && ((pObj) = Ivy_ManObj(p, Vec_IntEntry(vIds,i))); i++ )
// iterator over the fanouts of an object
#define Ivy_ObjForEachFanout( p, pObj, vArray, pFanout, i ) \
for ( i = 0, Ivy_ObjCollectFanouts(p, pObj, vArray); \
i < Vec_PtrSize(vArray) && ((pFanout) = Vec_PtrEntry(vArray,i)); i++ )
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== ivyBalance.c ========================================================*/
extern Ivy_Man_t * Ivy_ManBalance( Ivy_Man_t * p, int fUpdateLevel );
extern Ivy_Obj_t * Ivy_NodeBalanceBuildSuper( Ivy_Man_t * p, Vec_Ptr_t * vSuper, Ivy_Type_t Type, int fUpdateLevel );
/*=== ivyCanon.c ========================================================*/
extern Ivy_Obj_t * Ivy_CanonAnd( Ivy_Man_t * p, Ivy_Obj_t * p0, Ivy_Obj_t * p1 );
extern Ivy_Obj_t * Ivy_CanonExor( Ivy_Man_t * p, Ivy_Obj_t * p0, Ivy_Obj_t * p1 );
extern Ivy_Obj_t * Ivy_CanonLatch( Ivy_Man_t * p, Ivy_Obj_t * pObj, Ivy_Init_t Init );
/*=== ivyCheck.c ========================================================*/
extern int Ivy_ManCheck( Ivy_Man_t * p );
extern int Ivy_ManCheckFanoutNums( Ivy_Man_t * p );
extern int Ivy_ManCheckFanouts( Ivy_Man_t * p );
extern int Ivy_ManCheckChoices( Ivy_Man_t * p );
/*=== ivyCut.c ==========================================================*/
extern void Ivy_ManSeqFindCut( Ivy_Man_t * p, Ivy_Obj_t * pNode, Vec_Int_t * vFront, Vec_Int_t * vInside, int nSize );
extern Ivy_Store_t * Ivy_NodeFindCutsAll( Ivy_Man_t * p, Ivy_Obj_t * pObj, int nLeaves );
/*=== ivyDfs.c ==========================================================*/
extern Vec_Int_t * Ivy_ManDfs( Ivy_Man_t * p );
extern Vec_Int_t * Ivy_ManDfsSeq( Ivy_Man_t * p, Vec_Int_t ** pvLatches );
extern void Ivy_ManCollectCone( Ivy_Obj_t * pObj, Vec_Ptr_t * vFront, Vec_Ptr_t * vCone );
extern Vec_Vec_t * Ivy_ManLevelize( Ivy_Man_t * p );
extern Vec_Int_t * Ivy_ManRequiredLevels( Ivy_Man_t * p );
extern int Ivy_ManIsAcyclic( Ivy_Man_t * p );
extern int Ivy_ManSetLevels( Ivy_Man_t * p, int fHaig );
/*=== ivyDsd.c ==========================================================*/
extern int Ivy_TruthDsd( unsigned uTruth, Vec_Int_t * vTree );
extern void Ivy_TruthDsdPrint( FILE * pFile, Vec_Int_t * vTree );
extern unsigned Ivy_TruthDsdCompute( Vec_Int_t * vTree );
extern void Ivy_TruthDsdComputePrint( unsigned uTruth );
extern Ivy_Obj_t * Ivy_ManDsdConstruct( Ivy_Man_t * p, Vec_Int_t * vFront, Vec_Int_t * vTree );
/*=== ivyFanout.c ==========================================================*/
extern void Ivy_ManStartFanout( Ivy_Man_t * p );
extern void Ivy_ManStopFanout( Ivy_Man_t * p );
extern void Ivy_ObjAddFanout( Ivy_Man_t * p, Ivy_Obj_t * pObj, Ivy_Obj_t * pFanout );
extern void Ivy_ObjDeleteFanout( Ivy_Man_t * p, Ivy_Obj_t * pObj, Ivy_Obj_t * pFanout );
extern void Ivy_ObjPatchFanout( Ivy_Man_t * p, Ivy_Obj_t * pObj, Ivy_Obj_t * pFanoutOld, Ivy_Obj_t * pFanoutNew );
extern void Ivy_ObjCollectFanouts( Ivy_Man_t * p, Ivy_Obj_t * pObj, Vec_Ptr_t * vArray );
extern Ivy_Obj_t * Ivy_ObjReadFirstFanout( Ivy_Man_t * p, Ivy_Obj_t * pObj );
extern int Ivy_ObjFanoutNum( Ivy_Man_t * p, Ivy_Obj_t * pObj );
/*=== ivyFastMap.c =============================================================*/
extern void Ivy_FastMapPerform( Ivy_Man_t * pAig, int nLimit );
extern void Ivy_FastMapStop( Ivy_Man_t * pAig );
extern void Ivy_FastMapReadSupp( Ivy_Man_t * pAig, Ivy_Obj_t * pObj, Vec_Int_t * vLeaves );
extern void Ivy_FastMapReverseLevel( Ivy_Man_t * pAig );
/*=== ivyFraig.c ==========================================================*/
extern Ivy_Man_t * Ivy_FraigMiter( Ivy_Man_t * pManAig, Ivy_FraigParams_t * pParams );
extern Ivy_Man_t * Ivy_FraigPerform( Ivy_Man_t * pManAig, Ivy_FraigParams_t * pParams );
extern Ivy_Man_t * Ivy_FraigProve( Ivy_Man_t * pManAig, Ivy_FraigParams_t * pParams );
extern void Ivy_FraigParamsDefault( Ivy_FraigParams_t * pParams );
/*=== ivyHaig.c ==========================================================*/
extern void Ivy_ManHaigStart( Ivy_Man_t * p, int fVerbose );
extern void Ivy_ManHaigTrasfer( Ivy_Man_t * p, Ivy_Man_t * pNew );
extern void Ivy_ManHaigStop( Ivy_Man_t * p );
extern void Ivy_ManHaigPostprocess( Ivy_Man_t * p, int fVerbose );
extern void Ivy_ManHaigCreateObj( Ivy_Man_t * p, Ivy_Obj_t * pObj );
extern void Ivy_ManHaigCreateChoice( Ivy_Man_t * p, Ivy_Obj_t * pObjOld, Ivy_Obj_t * pObjNew );
extern void Ivy_ManHaigSimulate( Ivy_Man_t * p );
/*=== ivyIsop.c ==========================================================*/
extern int Ivy_TruthIsop( unsigned * puTruth, int nVars, Vec_Int_t * vCover, int fTryBoth );
/*=== ivyMan.c ==========================================================*/
extern Ivy_Man_t * Ivy_ManStart();
extern Ivy_Man_t * Ivy_ManStartFrom( Ivy_Man_t * p );
extern Ivy_Man_t * Ivy_ManDup( Ivy_Man_t * p );
extern void Ivy_ManStop( Ivy_Man_t * p );
extern int Ivy_ManCleanup( Ivy_Man_t * p );
extern int Ivy_ManPropagateBuffers( Ivy_Man_t * p, int fUpdateLevel );
extern void Ivy_ManPrintStats( Ivy_Man_t * p );
extern void Ivy_ManMakeSeq( Ivy_Man_t * p, int nLatches, int * pInits );
/*=== ivyMem.c ==========================================================*/
extern void Ivy_ManStartMemory( Ivy_Man_t * p );
extern void Ivy_ManStopMemory( Ivy_Man_t * p );
/*=== ivyMulti.c ==========================================================*/
extern Ivy_Obj_t * Ivy_Multi( Ivy_Man_t * p, Ivy_Obj_t ** pArgs, int nArgs, Ivy_Type_t Type );
extern Ivy_Obj_t * Ivy_Multi1( Ivy_Man_t * p, Ivy_Obj_t ** pArgs, int nArgs, Ivy_Type_t Type );
extern Ivy_Obj_t * Ivy_Multi_rec( Ivy_Man_t * p, Ivy_Obj_t ** ppObjs, int nObjs, Ivy_Type_t Type );
extern Ivy_Obj_t * Ivy_MultiBalance_rec( Ivy_Man_t * p, Ivy_Obj_t ** pArgs, int nArgs, Ivy_Type_t Type );
extern int Ivy_MultiPlus( Ivy_Man_t * p, Vec_Ptr_t * vLeaves, Vec_Ptr_t * vCone, Ivy_Type_t Type, int nLimit, Vec_Ptr_t * vSol );
/*=== ivyObj.c ==========================================================*/
extern Ivy_Obj_t * Ivy_ObjCreatePi( Ivy_Man_t * p );
extern Ivy_Obj_t * Ivy_ObjCreatePo( Ivy_Man_t * p, Ivy_Obj_t * pDriver );
extern Ivy_Obj_t * Ivy_ObjCreate( Ivy_Man_t * p, Ivy_Obj_t * pGhost );
extern void Ivy_ObjConnect( Ivy_Man_t * p, Ivy_Obj_t * pObj, Ivy_Obj_t * pFan0, Ivy_Obj_t * pFan1 );
extern void Ivy_ObjDisconnect( Ivy_Man_t * p, Ivy_Obj_t * pObj );
extern void Ivy_ObjPatchFanin0( Ivy_Man_t * p, Ivy_Obj_t * pObj, Ivy_Obj_t * pFaninNew );
extern void Ivy_ObjDelete( Ivy_Man_t * p, Ivy_Obj_t * pObj, int fFreeTop );
extern void Ivy_ObjDelete_rec( Ivy_Man_t * p, Ivy_Obj_t * pObj, int fFreeTop );
extern void Ivy_ObjReplace( Ivy_Man_t * p, Ivy_Obj_t * pObjOld, Ivy_Obj_t * pObjNew, int fDeleteOld, int fFreeTop, int fUpdateLevel );
extern void Ivy_NodeFixBufferFanins( Ivy_Man_t * p, Ivy_Obj_t * pNode, int fUpdateLevel );
/*=== ivyOper.c =========================================================*/
extern Ivy_Obj_t * Ivy_Oper( Ivy_Man_t * p, Ivy_Obj_t * p0, Ivy_Obj_t * p1, Ivy_Type_t Type );
extern Ivy_Obj_t * Ivy_And( Ivy_Man_t * p, Ivy_Obj_t * p0, Ivy_Obj_t * p1 );
extern Ivy_Obj_t * Ivy_Or( Ivy_Man_t * p, Ivy_Obj_t * p0, Ivy_Obj_t * p1 );
extern Ivy_Obj_t * Ivy_Exor( Ivy_Man_t * p, Ivy_Obj_t * p0, Ivy_Obj_t * p1 );
extern Ivy_Obj_t * Ivy_Mux( Ivy_Man_t * p, Ivy_Obj_t * pC, Ivy_Obj_t * p1, Ivy_Obj_t * p0 );
extern Ivy_Obj_t * Ivy_Maj( Ivy_Man_t * p, Ivy_Obj_t * pA, Ivy_Obj_t * pB, Ivy_Obj_t * pC );
extern Ivy_Obj_t * Ivy_Miter( Ivy_Man_t * p, Vec_Ptr_t * vPairs );
extern Ivy_Obj_t * Ivy_Latch( Ivy_Man_t * p, Ivy_Obj_t * pObj, Ivy_Init_t Init );
/*=== ivyResyn.c =========================================================*/
extern Ivy_Man_t * Ivy_ManResyn0( Ivy_Man_t * p, int fUpdateLevel, int fVerbose );
extern Ivy_Man_t * Ivy_ManResyn( Ivy_Man_t * p, int fUpdateLevel, int fVerbose );
/*=== ivyRewrite.c =========================================================*/
extern int Ivy_ManSeqRewrite( Ivy_Man_t * p, int fUpdateLevel, int fUseZeroCost );
extern int Ivy_ManRewriteAlg( Ivy_Man_t * p, int fUpdateLevel, int fUseZeroCost );
extern int Ivy_ManRewritePre( Ivy_Man_t * p, int fUpdateLevel, int fUseZeroCost, int fVerbose );
/*=== ivySeq.c =========================================================*/
extern int Ivy_ManRewriteSeq( Ivy_Man_t * p, int fUseZeroCost, int fVerbose );
/*=== ivyShow.c =========================================================*/
extern void Ivy_ManShow( Ivy_Man_t * pMan, int fHaig, Vec_Ptr_t * vBold );
/*=== ivyTable.c ========================================================*/
extern Ivy_Obj_t * Ivy_TableLookup( Ivy_Man_t * p, Ivy_Obj_t * pObj );
extern void Ivy_TableInsert( Ivy_Man_t * p, Ivy_Obj_t * pObj );
extern void Ivy_TableDelete( Ivy_Man_t * p, Ivy_Obj_t * pObj );
extern void Ivy_TableUpdate( Ivy_Man_t * p, Ivy_Obj_t * pObj, int ObjIdNew );
extern int Ivy_TableCountEntries( Ivy_Man_t * p );
extern void Ivy_TableProfile( Ivy_Man_t * p );
/*=== ivyUtil.c =========================================================*/
extern void Ivy_ManIncrementTravId( Ivy_Man_t * p );
extern void Ivy_ManCleanTravId( Ivy_Man_t * p );
extern unsigned * Ivy_ManCutTruth( Ivy_Man_t * p, Ivy_Obj_t * pRoot, Vec_Int_t * vLeaves, Vec_Int_t * vNodes, Vec_Int_t * vTruth );
extern Vec_Int_t * Ivy_ManLatches( Ivy_Man_t * p );
extern int Ivy_ManLevels( Ivy_Man_t * p );
extern void Ivy_ManResetLevels( Ivy_Man_t * p );
extern int Ivy_ObjMffcLabel( Ivy_Man_t * p, Ivy_Obj_t * pObj );
extern void Ivy_ObjUpdateLevel_rec( Ivy_Man_t * p, Ivy_Obj_t * pObj );
extern void Ivy_ObjUpdateLevelR_rec( Ivy_Man_t * p, Ivy_Obj_t * pObj, int ReqNew );
extern int Ivy_ObjIsMuxType( Ivy_Obj_t * pObj );
extern Ivy_Obj_t * Ivy_ObjRecognizeMux( Ivy_Obj_t * pObj, Ivy_Obj_t ** ppObjT, Ivy_Obj_t ** ppObjE );
extern Ivy_Obj_t * Ivy_ObjReal( Ivy_Obj_t * pObj );
extern void Ivy_ObjPrintVerbose( Ivy_Obj_t * pObj, int fHaig );
extern void Ivy_ManPrintVerbose( Ivy_Man_t * p, int fHaig );
#ifdef __cplusplus
}
#endif
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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