/**Function*************************************************************
Synopsis [Drive implications of the given node towards primary outputs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Saig_ManSetAndDriveImplications_rec( Aig_Man_t * p, Aig_Obj_t * pObj, int f, int fMax, Vec_Ptr_t * vSimInfo )
{
Aig_Obj_t * pFanout;
int k, iFanout = -1, Value0, Value1;
int Value = Saig_ManSimInfo2Get( vSimInfo, pObj, f );
assert( !Saig_ManSimInfo2IsOld( Value ) );
Saig_ManSimInfo2Set( vSimInfo, pObj, f, Saig_ManSimInfo2SetOld(Value) );
if ( (Aig_ObjIsCo(pObj) && f == fMax) || Saig_ObjIsPo(p, pObj) )
return;
if ( Saig_ObjIsLi( p, pObj ) )
{
assert( f < fMax );
pFanout = Saig_ObjLiToLo(p, pObj);
Value = Saig_ManSimInfo2Get( vSimInfo, pFanout, f+1 );
if ( !Saig_ManSimInfo2IsOld( Value ) )
Saig_ManSetAndDriveImplications_rec( p, pFanout, f+1, fMax, vSimInfo );
return;
}
assert( Aig_ObjIsCi(pObj) || Aig_ObjIsNode(pObj) || Aig_ObjIsConst1(pObj) );
Aig_ObjForEachFanout( p, pObj, pFanout, iFanout, k )
{
Value = Saig_ManSimInfo2Get( vSimInfo, pFanout, f );
if ( Saig_ManSimInfo2IsOld( Value ) )
continue;
if ( Aig_ObjIsCo(pFanout) )
{
Saig_ManSetAndDriveImplications_rec( p, pFanout, f, fMax, vSimInfo );
continue;
}
assert( Aig_ObjIsNode(pFanout) );
Value0 = Saig_ManSimInfo2Get( vSimInfo, Aig_ObjFanin0(pFanout), f );
Value1 = Saig_ManSimInfo2Get( vSimInfo, Aig_ObjFanin1(pFanout), f );
if ( Aig_ObjFaninC0(pFanout) )
Value0 = Saig_ManSimInfo2Not( Value0 );
if ( Aig_ObjFaninC1(pFanout) )
Value1 = Saig_ManSimInfo2Not( Value1 );
if ( Value0 == SAIG_ZER_OLD || Value1 == SAIG_ZER_OLD ||
(Value0 == SAIG_ONE_OLD && Value1 == SAIG_ONE_OLD) )
Saig_ManSetAndDriveImplications_rec( p, pFanout, f, fMax, vSimInfo );
}
Saig_ManForEachLi( p, pObj, i )
{
bFunc = (DdNode *)pObj->pData; Cudd_Ref( bFunc );
Vec_PtrWriteEntry( vBdds, Aig_ObjId(Saig_ObjLiToLo(p, pObj)), bFunc );
}
