From 8014f25f6db719fa62336f997963532a14c568f6 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Sat, 21 Jan 2012 04:30:10 -0800
Subject: Major restructuring of the code.

---
 src/aig/dch/dchSweep.c | 146 -------------------------------------------------
 1 file changed, 146 deletions(-)
 delete mode 100644 src/aig/dch/dchSweep.c

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

diff --git a/src/aig/dch/dchSweep.c b/src/aig/dch/dchSweep.c
deleted file mode 100644
index 4b054be2..00000000
--- a/src/aig/dch/dchSweep.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/**CFile****************************************************************
-
-  FileName    [dchSweep.c]
-
-  SystemName  [ABC: Logic synthesis and verification system.]
-
-  PackageName [Choice computation for tech-mapping.]
-
-  Synopsis    [One round of SAT sweeping.]
-
-  Author      [Alan Mishchenko]
-  
-  Affiliation [UC Berkeley]
-
-  Date        [Ver. 1.0. Started - June 29, 2008.]
-
-  Revision    [$Id: dchSweep.c,v 1.00 2008/07/29 00:00:00 alanmi Exp $]
-
-***********************************************************************/
-
-#include "dchInt.h"
-#include "bar.h"
-
-ABC_NAMESPACE_IMPL_START
-
-
-////////////////////////////////////////////////////////////////////////
-///                        DECLARATIONS                              ///
-////////////////////////////////////////////////////////////////////////
-
-static inline Aig_Obj_t * Dch_ObjChild0Fra( Aig_Obj_t * pObj ) { assert( !Aig_IsComplement(pObj) ); return Aig_ObjFanin0(pObj)? Aig_NotCond(Dch_ObjFraig(Aig_ObjFanin0(pObj)), Aig_ObjFaninC0(pObj)) : NULL;  }
-static inline Aig_Obj_t * Dch_ObjChild1Fra( Aig_Obj_t * pObj ) { assert( !Aig_IsComplement(pObj) ); return Aig_ObjFanin1(pObj)? Aig_NotCond(Dch_ObjFraig(Aig_ObjFanin1(pObj)), Aig_ObjFaninC1(pObj)) : NULL;  }
-
-////////////////////////////////////////////////////////////////////////
-///                     FUNCTION DEFINITIONS                         ///
-////////////////////////////////////////////////////////////////////////
-
-/**Function*************************************************************
-
-  Synopsis    [Performs fraiging for one node.]
-
-  Description [Returns the fraiged node.]
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Dch_ManSweepNode( Dch_Man_t * p, Aig_Obj_t * pObj )
-{ 
-    Aig_Obj_t * pObjRepr, * pObjFraig, * pObjFraig2, * pObjReprFraig;
-    int RetValue;
-    // get representative of this class
-    pObjRepr = Aig_ObjRepr( p->pAigTotal, pObj );
-    if ( pObjRepr == NULL )
-        return;
-    // get the fraiged node
-    pObjFraig = Dch_ObjFraig( pObj );
-    if ( pObjFraig == NULL )
-        return;
-    // get the fraiged representative
-    pObjReprFraig = Dch_ObjFraig( pObjRepr );
-    if ( pObjReprFraig == NULL )
-        return;
-    // if the fraiged nodes are the same, return
-    if ( Aig_Regular(pObjFraig) == Aig_Regular(pObjReprFraig) )
-    {
-        // remember the proved equivalence
-        p->pReprsProved[ pObj->Id ] = pObjRepr;
-        return;
-    }
-    assert( Aig_Regular(pObjFraig) != Aig_ManConst1(p->pAigFraig) );
-    RetValue = Dch_NodesAreEquiv( p, Aig_Regular(pObjReprFraig), Aig_Regular(pObjFraig) );
-    if ( RetValue == -1 ) // timed out
-    {
-        Dch_ObjSetFraig( pObj, NULL );
-        return;
-    }
-    if ( RetValue == 1 )  // proved equivalent
-    {
-        pObjFraig2 = Aig_NotCond( pObjReprFraig, pObj->fPhase ^ pObjRepr->fPhase );
-        Dch_ObjSetFraig( pObj, pObjFraig2 );
-        // remember the proved equivalence
-        p->pReprsProved[ pObj->Id ] = pObjRepr;
-        return;
-    }
-    // disproved the equivalence
-    if ( p->pPars->fSimulateTfo )
-        Dch_ManResimulateCex( p, pObj, pObjRepr );
-    else
-        Dch_ManResimulateCex2( p, pObj, pObjRepr );
-    assert( Aig_ObjRepr( p->pAigTotal, pObj ) != pObjRepr );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Performs fraiging for the internal nodes.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-void Dch_ManSweep( Dch_Man_t * p )
-{
-    Bar_Progress_t * pProgress = NULL;
-    Aig_Obj_t * pObj, * pObjNew;
-    int i;
-    // map constants and PIs
-    p->pAigFraig = Aig_ManStart( Aig_ManObjNumMax(p->pAigTotal) );
-    Aig_ManCleanData( p->pAigTotal );
-    Aig_ManConst1(p->pAigTotal)->pData = Aig_ManConst1(p->pAigFraig);
-    Aig_ManForEachPi( p->pAigTotal, pObj, i )
-        pObj->pData = Aig_ObjCreatePi( p->pAigFraig );
-    // sweep internal nodes
-    pProgress = Bar_ProgressStart( stdout, Aig_ManObjNumMax(p->pAigTotal) );
-    Aig_ManForEachNode( p->pAigTotal, pObj, i )
-    {
-        Bar_ProgressUpdate( pProgress, i, NULL );
-        if ( Dch_ObjFraig(Aig_ObjFanin0(pObj)) == NULL || 
-             Dch_ObjFraig(Aig_ObjFanin1(pObj)) == NULL )
-            continue;
-        pObjNew = Aig_And( p->pAigFraig, Dch_ObjChild0Fra(pObj), Dch_ObjChild1Fra(pObj) );
-        if ( pObjNew == NULL )
-            continue;
-        Dch_ObjSetFraig( pObj, pObjNew );
-        Dch_ManSweepNode( p, pObj );
-    }
-    Bar_ProgressStop( pProgress );
-    // update the representatives of the nodes (makes classes invalid)
-    ABC_FREE( p->pAigTotal->pReprs );
-    p->pAigTotal->pReprs = p->pReprsProved;
-    p->pReprsProved = NULL;
-    // clean the mark
-    Aig_ManCleanMarkB( p->pAigTotal );
-}
-
-////////////////////////////////////////////////////////////////////////
-///                       END OF FILE                                ///
-////////////////////////////////////////////////////////////////////////
-
-
-ABC_NAMESPACE_IMPL_END
-
-- 
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