/**Function*************************************************************
Synopsis [Checks if node with the given attributes is in the hash table.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Obj_t * Aig_TableLookup( Aig_Man_t * p, Aig_Obj_t * pGhost )
{
Aig_Obj_t * pEntry;
assert( !Aig_IsComplement(pGhost) );
if ( pGhost->Type == AIG_OBJ_LATCH )
{
assert( Aig_ObjChild0(pGhost) && Aig_ObjChild1(pGhost) == NULL );
if ( !Aig_ObjRefs(Aig_ObjFanin0(pGhost)) )
return NULL;
}
else
{
assert( pGhost->Type == AIG_OBJ_AND );
assert( Aig_ObjChild0(pGhost) && Aig_ObjChild1(pGhost) );
assert( Aig_ObjFanin0(pGhost)->Id < Aig_ObjFanin1(pGhost)->Id );
if ( !Aig_ObjRefs(Aig_ObjFanin0(pGhost)) || !Aig_ObjRefs(Aig_ObjFanin1(pGhost)) )
return NULL;
}
for ( pEntry = p->pTable[Aig_Hash(pGhost, p->nTableSize)]; pEntry; pEntry = pEntry->pNext )
{
if ( Aig_ObjChild0(pEntry) == Aig_ObjChild0(pGhost) &&
Aig_ObjChild1(pEntry) == Aig_ObjChild1(pGhost) &&
Aig_ObjType(pEntry) == Aig_ObjType(pGhost) )
return pEntry;
}
return NULL;
}
/**Function*************************************************************
Synopsis [Collects the nodes of the supergate.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Dar_BalanceCone_rec( Aig_Obj_t * pRoot, Aig_Obj_t * pObj, Vec_Ptr_t * vSuper )
{
if ( pObj != pRoot && (Aig_IsComplement(pObj) || Aig_ObjType(pObj) != Aig_ObjType(pRoot) || Aig_ObjRefs(pObj) > 1 || Vec_PtrSize(vSuper) > 10000) )
Vec_PtrPush( vSuper, pObj );
else
{
assert( !Aig_IsComplement(pObj) );
assert( Aig_ObjIsNode(pObj) );
// go through the branches
Dar_BalanceCone_rec( pRoot, Aig_ObjReal_rec( Aig_ObjChild0(pObj) ), vSuper );
Dar_BalanceCone_rec( pRoot, Aig_ObjReal_rec( Aig_ObjChild1(pObj) ), vSuper );
}
}
/**Function*************************************************************
Synopsis [Create the new node assuming it does not exist.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Obj_t * Aig_ObjCreate( Aig_Man_t * p, Aig_Obj_t * pGhost )
{
Aig_Obj_t * pObj;
assert( !Aig_IsComplement(pGhost) );
assert( Aig_ObjIsHash(pGhost) );
// assert( pGhost == &p->Ghost );
// get memory for the new object
pObj = Aig_ManFetchMemory( p );
pObj->Type = pGhost->Type;
// add connections
Aig_ObjConnect( p, pObj, pGhost->pFanin0, pGhost->pFanin1 );
// update node counters of the manager
p->nObjs[Aig_ObjType(pObj)]++;
assert( pObj->pData == NULL );
if ( p->pManHaig )
{
pGhost->pFanin0 = Aig_ObjHaig( pGhost->pFanin0 );
pGhost->pFanin1 = Aig_ObjHaig( pGhost->pFanin1 );
pObj->pHaig = Aig_ObjCreate( p->pManHaig, pGhost );
assert( !Aig_IsComplement(pObj->pHaig) );
// printf( "Creating HAIG node %d equivalent to node %d.\n", pObj->pHaig->Id, pObj->Id );
}
// create the power counter
if ( p->vProbs )
{
float Prob0 = Aig_Int2Float( Vec_IntEntry( p->vProbs, Aig_ObjFaninId0(pObj) ) );
float Prob1 = Aig_Int2Float( Vec_IntEntry( p->vProbs, Aig_ObjFaninId1(pObj) ) );
Prob0 = Aig_ObjFaninC0(pObj)? 1.0 - Prob0 : Prob0;
Prob1 = Aig_ObjFaninC1(pObj)? 1.0 - Prob1 : Prob1;
Vec_IntSetEntry( p->vProbs, pObj->Id, Aig_Float2Int(Prob0 * Prob1) );
}
return pObj;
}
/**Function*************************************************************
Synopsis [Replaces node with a buffer fanin by a node without them.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Aig_NodeFixBufferFanins( Aig_Man_t * p, Aig_Obj_t * pObj, int fNodesOnly, int fUpdateLevel )
{
Aig_Obj_t * pFanReal0, * pFanReal1, * pResult;
p->nBufFixes++;
if ( Aig_ObjIsPo(pObj) )
{
assert( Aig_ObjIsBuf(Aig_ObjFanin0(pObj)) );
pFanReal0 = Aig_ObjReal_rec( Aig_ObjChild0(pObj) );
assert( Aig_ObjPhaseReal(Aig_ObjChild0(pObj)) == Aig_ObjPhaseReal(pFanReal0) );
Aig_ObjPatchFanin0( p, pObj, pFanReal0 );
return;
}
assert( Aig_ObjIsNode(pObj) );
assert( Aig_ObjIsBuf(Aig_ObjFanin0(pObj)) || Aig_ObjIsBuf(Aig_ObjFanin1(pObj)) );
// get the real fanins
pFanReal0 = Aig_ObjReal_rec( Aig_ObjChild0(pObj) );
pFanReal1 = Aig_ObjReal_rec( Aig_ObjChild1(pObj) );
// get the new node
if ( Aig_ObjIsNode(pObj) )
pResult = Aig_Oper( p, pFanReal0, pFanReal1, Aig_ObjType(pObj) );
// else if ( Aig_ObjIsLatch(pObj) )
// pResult = Aig_Latch( p, pFanReal0, Aig_ObjInit(pObj) );
else
assert( 0 );
// replace the node with buffer by the node without buffer
Aig_ObjReplace( p, pObj, pResult, fNodesOnly, fUpdateLevel );
}
/**Function*************************************************************
Synopsis [Creates the canonical form of the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Obj_t * Aig_CanonPair_rec( Aig_Man_t * p, Aig_Obj_t * pGhost )
{
Aig_Obj_t * pResult, * pLat0, * pLat1;
int fCompl0, fCompl1;
Aig_Type_t Type;
assert( Aig_ObjIsNode(pGhost) );
// consider the case when the pair is canonical
if ( !Aig_ObjIsLatch(Aig_ObjFanin0(pGhost)) || !Aig_ObjIsLatch(Aig_ObjFanin1(pGhost)) )
{
if ( (pResult = Aig_TableLookup( p, pGhost )) )
return pResult;
return Aig_ObjCreate( p, pGhost );
}
/// remember the latches
pLat0 = Aig_ObjFanin0(pGhost);
pLat1 = Aig_ObjFanin1(pGhost);
// remember type and compls
Type = Aig_ObjType(pGhost);
fCompl0 = Aig_ObjFaninC0(pGhost);
fCompl1 = Aig_ObjFaninC1(pGhost);
// call recursively
pResult = Aig_Oper( p, Aig_NotCond(Aig_ObjChild0(pLat0), fCompl0), Aig_NotCond(Aig_ObjChild0(pLat1), fCompl1), Type );
// build latch on top of this
return Aig_Latch( p, pResult, (Type == AIG_OBJ_AND)? fCompl0 & fCompl1 : fCompl0 ^ fCompl1 );
}
/**Function*************************************************************
Synopsis [Checks if node with the given attributes is in the hash table.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Obj_t * Aig_TableLookup( Aig_Man_t * p, Aig_Obj_t * pGhost )
{
Aig_Obj_t * pEntry;
assert( !Aig_IsComplement(pGhost) );
assert( Aig_ObjIsNode(pGhost) );
assert( Aig_ObjChild0(pGhost) && Aig_ObjChild1(pGhost) );
assert( Aig_ObjFanin0(pGhost)->Id < Aig_ObjFanin1(pGhost)->Id );
if ( p->pTable == NULL || !Aig_ObjRefs(Aig_ObjFanin0(pGhost)) || !Aig_ObjRefs(Aig_ObjFanin1(pGhost)) )
return NULL;
for ( pEntry = p->pTable[Aig_Hash(pGhost, p->nTableSize)]; pEntry; pEntry = pEntry->pNext )
{
if ( Aig_ObjChild0(pEntry) == Aig_ObjChild0(pGhost) &&
Aig_ObjChild1(pEntry) == Aig_ObjChild1(pGhost) &&
Aig_ObjType(pEntry) == Aig_ObjType(pGhost) )
return pEntry;
}
return NULL;
}
/**Function*************************************************************
Synopsis [Create mapping of node IDs of pNtk into equiv classes of pMiter.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t * Abc_NtkDressMapClasses( Aig_Man_t * pMiter, Abc_Ntk_t * pNtk )
{
Vec_Int_t * vId2Lit;
Abc_Obj_t * pObj, * pAnd;
Aig_Obj_t * pObjMan, * pObjMiter, * pObjRepr;
int i;
vId2Lit = Vec_IntAlloc( 0 );
Vec_IntFill( vId2Lit, Abc_NtkObjNumMax(pNtk), -1 );
Abc_NtkForEachNode( pNtk, pObj, i )
{
// get the pointer to the miter node corresponding to pObj
if ( (pAnd = Abc_ObjRegular(pObj->pCopy)) && Abc_ObjType(pAnd) != ABC_OBJ_NONE && // strashed node is present and legal
(pObjMan = Aig_Regular((Aig_Obj_t *)pAnd->pCopy)) && Aig_ObjType(pObjMan) != AIG_OBJ_NONE && // AIG node is present and legal
(pObjMiter = Aig_Regular((Aig_Obj_t *)pObjMan->pData)) && Aig_ObjType(pObjMiter) != AIG_OBJ_NONE ) // miter node is present and legal
{
// get the representative of the miter node
pObjRepr = Aig_ObjRepr( pMiter, pObjMiter );
pObjRepr = pObjRepr? pObjRepr : pObjMiter;
// map pObj (whose ID is i) into the repr node ID (i.e. equiv class)
Vec_IntWriteEntry( vId2Lit, i, Aig_ObjId(pObjRepr) );
}
}
return vId2Lit;
}
/**Function*************************************************************
Synopsis [Create the new node assuming it does not exist.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Obj_t * Aig_ObjCreate( Aig_Man_t * p, Aig_Obj_t * pGhost )
{
Aig_Obj_t * pObj;
assert( !Aig_IsComplement(pGhost) );
assert( Aig_ObjIsHash(pGhost) );
assert( pGhost == &p->Ghost );
// get memory for the new object
pObj = Aig_ManFetchMemory( p );
pObj->Type = pGhost->Type;
// add connections
Aig_ObjConnect( p, pObj, pGhost->pFanin0, pGhost->pFanin1 );
// update node counters of the manager
p->nObjs[Aig_ObjType(pObj)]++;
assert( pObj->pData == NULL );
return pObj;
}
void updateNewNetworkNameManager_kCS( Abc_Ntk_t *pNtk, Aig_Man_t *pAig, Vec_Ptr_t *vPiNames,
Vec_Ptr_t *vLoNames, Vec_Ptr_t *vPoNames, Vec_Ptr_t *vLiNames )
{
Aig_Obj_t *pObj;
Abc_Obj_t *pNode;
int i, ntkObjId;
pNtk->pManName = Nm_ManCreate( Abc_NtkCiNum( pNtk ) );
if( vPiNames )
{
Saig_ManForEachPi( pAig, pObj, i )
{
ntkObjId = Abc_NtkCi( pNtk, i )->Id;
Nm_ManStoreIdName( pNtk->pManName, ntkObjId, Aig_ObjType(pObj), (char *)Vec_PtrEntry(vPiNames, i), NULL );
}
}
