/**Function*************************************************************
Synopsis [Duplicates AIG in the DFS order.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManFromAig( Aig_Man_t * p )
{
Gia_Man_t * pNew;
Aig_Obj_t * pObj;
int i;
// create the new manager
pNew = Gia_ManStart( Aig_ManObjNum(p) );
pNew->pName = Gia_UtilStrsav( p->pName );
pNew->nConstrs = p->nConstrs;
// create room to store equivalences
if ( p->pEquivs )
pNew->pNexts = ABC_CALLOC( int, Aig_ManObjNum(p) );
// create the PIs
Aig_ManCleanData( p );
Aig_ManConst1(p)->iData = 1;
Aig_ManForEachPi( p, pObj, i )
pObj->iData = Gia_ManAppendCi( pNew );
// add logic for the POs
Aig_ManForEachPo( p, pObj, i )
Gia_ManFromAig_rec( pNew, p, Aig_ObjFanin0(pObj) );
Aig_ManForEachPo( p, pObj, i )
Gia_ManAppendCo( pNew, Gia_ObjChild0Copy(pObj) );
Gia_ManSetRegNum( pNew, Aig_ManRegNum(p) );
if ( pNew->pNexts )
Gia_ManDeriveReprs( pNew );
return pNew;
}
/**Function*************************************************************
Synopsis [Duplicates AIG in the DFS order.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Gia_ManToAig( Gia_Man_t * p, int fChoices )
{
Aig_Man_t * pNew;
Aig_Obj_t ** ppNodes;
Gia_Obj_t * pObj;
int i;
assert( !fChoices || (p->pNexts && p->pReprs) );
// create the new manager
pNew = Aig_ManStart( Gia_ManAndNum(p) );
pNew->pName = Gia_UtilStrsav( p->pName );
pNew->nConstrs = p->nConstrs;
// pNew->pSpec = Gia_UtilStrsav( p->pName );
// duplicate representation of choice nodes
if ( fChoices )
pNew->pEquivs = ABC_CALLOC( Aig_Obj_t *, Gia_ManObjNum(p) );
// create the PIs
ppNodes = ABC_CALLOC( Aig_Obj_t *, Gia_ManObjNum(p) );
ppNodes[0] = Aig_ManConst0(pNew);
Gia_ManForEachCi( p, pObj, i )
ppNodes[Gia_ObjId(p, pObj)] = Aig_ObjCreatePi( pNew );
// transfer level
if ( p->vLevels )
Gia_ManForEachCi( p, pObj, i )
Aig_ObjSetLevel( ppNodes[Gia_ObjId(p, pObj)], Gia_ObjLevel(p, pObj) );
// add logic for the POs
Gia_ManForEachCo( p, pObj, i )
{
Gia_ManToAig_rec( pNew, ppNodes, p, Gia_ObjFanin0(pObj) );
ppNodes[Gia_ObjId(p, pObj)] = Aig_ObjCreatePo( pNew, Gia_ObjChild0Copy2(ppNodes, pObj, Gia_ObjId(p, pObj)) );
}
/**Function*************************************************************
Synopsis [Handles choices as additional combinational outputs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManFromAigSwitch( Aig_Man_t * p )
{
Gia_Man_t * pNew;
Aig_Obj_t * pObj;
int i;
// create the new manager
pNew = Gia_ManStart( Aig_ManObjNum(p) );
pNew->pName = Gia_UtilStrsav( p->pName );
pNew->nConstrs = p->nConstrs;
// create the PIs
Aig_ManCleanData( p );
Aig_ManConst1(p)->iData = 1;
Aig_ManForEachPi( p, pObj, i )
pObj->iData = Gia_ManAppendCi( pNew );
// add POs corresponding to the nodes with choices
Aig_ManForEachNode( p, pObj, i )
if ( Aig_ObjRefs(pObj) == 0 )
{
Gia_ManFromAig_rec( pNew, p, pObj );
Gia_ManAppendCo( pNew, pObj->iData );
}
// add logic for the POs
Aig_ManForEachPo( p, pObj, i )
Gia_ManFromAig_rec( pNew, p, Aig_ObjFanin0(pObj) );
Aig_ManForEachPo( p, pObj, i )
pObj->iData = Gia_ManAppendCo( pNew, Gia_ObjChild0Copy(pObj) );
Gia_ManSetRegNum( pNew, Aig_ManRegNum(p) );
return pNew;
}
/**Function*************************************************************
Synopsis [Duplicates AIG in the DFS order.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManFromAigSimple( Aig_Man_t * p )
{
Gia_Man_t * pNew;
Aig_Obj_t * pObj;
int i;
// create the new manager
pNew = Gia_ManStart( Aig_ManObjNum(p) );
pNew->pName = Gia_UtilStrsav( p->pName );
pNew->nConstrs = p->nConstrs;
// create the PIs
Aig_ManCleanData( p );
Aig_ManForEachObj( p, pObj, i )
{
if ( Aig_ObjIsAnd(pObj) )
pObj->iData = Gia_ManAppendAnd( pNew, Gia_ObjChild0Copy(pObj), Gia_ObjChild1Copy(pObj) );
else if ( Aig_ObjIsPi(pObj) )
pObj->iData = Gia_ManAppendCi( pNew );
else if ( Aig_ObjIsPo(pObj) )
pObj->iData = Gia_ManAppendCo( pNew, Gia_ObjChild0Copy(pObj) );
else if ( Aig_ObjIsConst1(pObj) )
pObj->iData = 1;
else
assert( 0 );
}
Gia_ManSetRegNum( pNew, Aig_ManRegNum(p) );
return pNew;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Gia_FileNameGeneric( char * FileName )
{
char * pDot, * pRes;
pRes = Gia_UtilStrsav( FileName );
if ( (pDot = strrchr( pRes, '.' )) )
*pDot = 0;
return pRes;
}
/**Function*************************************************************
Synopsis [Duplicates the AIG while retiming the registers to the cut.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManRetimeDupForward( Gia_Man_t * p, Vec_Ptr_t * vCut )
{
Gia_Man_t * pNew, * pTemp;
Gia_Obj_t * pObj, * pObjRi, * pObjRo;
int i;
// create the new manager
pNew = Gia_ManStart( Gia_ManObjNum(p) );
pNew->pName = Gia_UtilStrsav( p->pName );
Gia_ManHashAlloc( pNew );
// create the true PIs
Gia_ManFillValue( p );
Gia_ManSetPhase( p );
Gia_ManConst0(p)->Value = 0;
Gia_ManForEachPi( p, pObj, i )
pObj->Value = Gia_ManAppendCi( pNew );
// create the registers
Vec_PtrForEachEntry( Gia_Obj_t *, vCut, pObj, i )
pObj->Value = Gia_LitNotCond( Gia_ManAppendCi(pNew), pObj->fPhase );
// duplicate logic above the cut
Gia_ManForEachCo( p, pObj, i )
Gia_ManRetimeDup_rec( pNew, Gia_ObjFanin0(pObj) );
// create the true POs
Gia_ManForEachPo( p, pObj, i )
Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
// remember value in LI
Gia_ManForEachRi( p, pObj, i )
pObj->Value = Gia_ObjFanin0Copy(pObj);
// transfer values from the LIs to the LOs
Gia_ManForEachRiRo( p, pObjRi, pObjRo, i )
pObjRo->Value = pObjRi->Value;
// erase the data values on the internal nodes of the cut
Vec_PtrForEachEntry( Gia_Obj_t *, vCut, pObj, i )
if ( Gia_ObjIsAnd(pObj) )
pObj->Value = ~0;
// duplicate logic below the cut
Vec_PtrForEachEntry( Gia_Obj_t *, vCut, pObj, i )
{
Gia_ManRetimeDup_rec( pNew, pObj );
Gia_ManAppendCo( pNew, Gia_LitNotCond( pObj->Value, pObj->fPhase ) );
}
