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imported proof-based codes from ufar

This commit is contained in:
Yen-Sheng Ho 2017-02-25 09:37:59 -08:00
parent 06797fb611
commit 14cf117968
1 changed files with 88 additions and 0 deletions
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88
src/base/wlc/wlcAbs.c
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@ -38,6 +38,94 @@ extern int IPdr_ManSolveInt( Pdr_Man_t * p, int fCheckClauses, int fPu
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
Wlc_Ntk_t * Wlc_NtkIntroduceChoices( Wlc_Ntk_t * pNtk, Vec_Int_t * vNodes )
{
if ( vNodes == NULL ) return NULL;
Wlc_Ntk_t * pNew;
Wlc_Obj_t * pObj;
int i, k, iObj, iFanin;
Vec_Int_t * vFanins = Vec_IntAlloc( 3 );
Vec_Int_t * vMapNode2Pi = Vec_IntStart( Wlc_NtkObjNum(pNtk) );
int nOrigObjNum = Wlc_NtkObjNumMax( pNtk );
Wlc_Ntk_t * p = Wlc_NtkDupDfs( pNtk, 0, 1 );
Wlc_NtkForEachObjVec( vNodes, pNtk, pObj, i )
{
// TODO : fix FOs here
Vec_IntWriteEntry(vNodes, i, Wlc_ObjCopy(pNtk, Wlc_ObjId(pNtk, pObj)));
}
// Vec_IntPrint(vNodes);
Wlc_NtkCleanCopy( p );
// mark nodes
Wlc_NtkForEachObjVec( vNodes, p, pObj, i )
{
iObj = Wlc_ObjId(p, pObj);
pObj->Mark = 1;
// add fresh PI with the same number of bits
Vec_IntWriteEntry( vMapNode2Pi, iObj, Wlc_ObjAlloc( p, WLC_OBJ_PI, Wlc_ObjIsSigned(pObj), Wlc_ObjRange(pObj) - 1, 0 ) );
}
// iterate through the nodes in the DFS order
Wlc_NtkForEachObj( p, pObj, i )
{
int isSigned, range, iSelID;
if ( i == nOrigObjNum )
{
// cout << "break at " << i << endl;
break;
}
if ( pObj->Mark )
{
// clean
pObj->Mark = 0;
isSigned = Wlc_ObjIsSigned(pObj);
range = Wlc_ObjRange(pObj);
iSelID = Wlc_ObjAlloc( p, WLC_OBJ_PI, 0, 0, 0);
Vec_IntClear(vFanins);
Vec_IntPush(vFanins, iSelID);
Vec_IntPush(vFanins, Vec_IntEntry( vMapNode2Pi, i ) );
Vec_IntPush(vFanins, i);
iObj = Wlc_ObjCreate(p, WLC_OBJ_MUX, isSigned, range - 1, 0, vFanins);
}
else
{
// update fanins
Wlc_ObjForEachFanin( pObj, iFanin, k )
Wlc_ObjFanins(pObj)[k] = Wlc_ObjCopy(p, iFanin);
// node to remain
iObj = i;
}
Wlc_ObjSetCopy( p, i, iObj );
}
Wlc_NtkForEachCo( p, pObj, i )
{
iObj = Wlc_ObjId(p, pObj);
if (iObj != Wlc_ObjCopy(p, iObj))
{
if (pObj->fIsFi)
Wlc_NtkObj(p, Wlc_ObjCopy(p, iObj))->fIsFi = 1;
else
Wlc_NtkObj(p, Wlc_ObjCopy(p, iObj))->fIsPo = 1;
Vec_IntWriteEntry(&p->vCos, i, Wlc_ObjCopy(p, iObj));
}
}
// DumpWlcNtk(p);
pNew = Wlc_NtkDupDfs( p, 0, 1 );
Vec_IntFree( vFanins );
Vec_IntFree( vMapNode2Pi );
Wlc_NtkFree( p );
return pNew;
}
/**Function*************************************************************
Synopsis [Mark operators that meet the abstraction criteria.]