From cbb7ff8642236fbc21576dec7b57b9e4cb7e60ef Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sat, 2 Aug 2008 08:01:00 -0700
Subject: Version abc80802

---
 src/aig/dch/dchAig.c | 76 ++--------------------------------------------------
 1 file changed, 2 insertions(+), 74 deletions(-)

(limited to 'src/aig/dch/dchAig.c')

diff --git a/src/aig/dch/dchAig.c b/src/aig/dch/dchAig.c
index 31b1eea3..239ece18 100644
--- a/src/aig/dch/dchAig.c
+++ b/src/aig/dch/dchAig.c
@@ -96,89 +96,17 @@ Aig_Man_t * Dch_DeriveTotalAig( Vec_Ptr_t * vAigs )
         }
         Aig_ObjCreatePo( pAigTotal, Aig_ObjChild0Copy(pObj) );
     }
+/*
     // mark the cone of the first AIG
     Aig_ManIncrementTravId( pAigTotal );
     Aig_ManForEachObj( pAig, pObj, i )
         if ( pObj->pData ) 
             Aig_ObjSetTravIdCurrent( pAigTotal, pObj->pData );
+*/
     // cleanup should not be done
     return pAigTotal;
 }
 
-/**Function*************************************************************
-
-  Synopsis    [Derives the AIG with choices from representatives.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Dch_DeriveChoiceAig_rec( Aig_Man_t * pNew, Aig_Man_t * pOld, Aig_Obj_t * pObj )
-{
-    Aig_Obj_t * pRepr, * pObjNew, * pReprNew;
-    if ( pObj->pData )
-        return;
-    // construct AIG for the representative
-    pRepr = pOld->pReprs[pObj->Id];
-    if ( pRepr != NULL )
-        Dch_DeriveChoiceAig_rec( pNew, pOld, pRepr );
-    // skip choices with combinatinal loops
-    if ( Aig_ObjCheckTfi( pOld, pObj, pRepr ) )
-    {
-        pOld->pReprs[pObj->Id] = NULL;
-        return;
-    }
-    Dch_DeriveChoiceAig_rec( pNew, pOld, Aig_ObjFanin0(pObj) );
-    Dch_DeriveChoiceAig_rec( pNew, pOld, Aig_ObjFanin1(pObj) );
-    pObj->pData = Aig_And( pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
-    if ( pRepr == NULL )
-        return;
-    // add choice
-    assert( pObj->nRefs == 0 );
-    pObjNew = pObj->pData;
-    pReprNew = pRepr->pData;
-    pNew->pEquivs[pObjNew->Id] = pNew->pEquivs[pReprNew->Id];
-    pNew->pEquivs[pReprNew->Id] = pObjNew;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Derives the AIG with choices from representatives.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-Aig_Man_t * Dch_DeriveChoiceAig( Aig_Man_t * pAig )
-{
-    Aig_Man_t * pChoices;
-    Aig_Obj_t * pObj;
-    int i;
-    // start recording equivalences
-    pChoices = Aig_ManStart( Aig_ManObjNumMax(pAig) );
-    pChoices->pEquivs = CALLOC( Aig_Obj_t *, Aig_ManObjNumMax(pAig) );
-    // map constants and PIs
-    Aig_ManCleanData( pAig );
-    Aig_ManConst1(pAig)->pData = Aig_ManConst1(pChoices);
-    Aig_ManForEachPi( pAig, pObj, i )
-        pObj->pData = Aig_ObjCreatePi( pChoices );
-     // construct choice nodes from the POs
-    assert( pAig->pReprs != NULL );
-    Aig_ManForEachPo( pAig, pObj, i )
-    {
-        Dch_DeriveChoiceAig_rec( pChoices, pAig, Aig_ObjFanin0(pObj) );
-        Aig_ObjCreatePo( pChoices, Aig_ObjChild0Copy(pObj) );
-    }
-    // there is no need for cleanup
-    return pChoices;
-}
-
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
 ////////////////////////////////////////////////////////////////////////
-- 
cgit v1.2.3