Version abc80420

1 files changed, 107 insertions, 0 deletions

diff --git a/src/aig/nwk/nwkAig.c b/src/aig/nwk/nwkAig.c
new file mode 100644
index 00000000..7421348a
--- /dev/null
+++ b/src/aig/nwk/nwkAig.c
@@ -0,0 +1,107 @@
+/**CFile****************************************************************
+
+  FileName    [nwkAig.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Netlist representation.]
+
+  Synopsis    [Translating of AIG into the network.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: nwkAig.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "nwk.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Converts AIG into the network.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Nwk_Man_t * Nwk_ManDeriveFromAig( Aig_Man_t * p )
+{
+    Nwk_Man_t * pNtk;
+    Aig_Obj_t * pObj;
+    int i;
+    pNtk = Nwk_ManAlloc();
+    pNtk->nFanioPlus = 0;
+    Hop_ManStop( pNtk->pManHop );
+    pNtk->pManHop = NULL;
+    pNtk->pName = Aig_UtilStrsav( p->pName );
+    pNtk->pSpec = Aig_UtilStrsav( p->pSpec );
+    pObj = Aig_ManConst1(p);
+    pObj->pData = Nwk_ManCreateNode( pNtk, 0, pObj->nRefs );
+    Aig_ManForEachPi( p, pObj, i )
+        pObj->pData = Nwk_ManCreateCi( pNtk, pObj->nRefs );
+    Aig_ManForEachNode( p, pObj, i )
+    {
+        pObj->pData = Nwk_ManCreateNode( pNtk, 2, pObj->nRefs );
+        Nwk_ObjAddFanin( pObj->pData, Aig_ObjFanin0(pObj)->pData );
+        Nwk_ObjAddFanin( pObj->pData, Aig_ObjFanin1(pObj)->pData );
+    }
+    Aig_ManForEachPo( p, pObj, i )
+    {
+        pObj->pData = Nwk_ManCreateCo( pNtk );
+        Nwk_ObjAddFanin( pObj->pData, Aig_ObjFanin0(pObj)->pData );
+    }
+    return pNtk;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Converts AIG into the network.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Vec_Ptr_t * Nwk_ManDeriveRetimingCut( Aig_Man_t * p, int fForward, int fVerbose )
+{
+    Vec_Ptr_t * vNodes;
+    Nwk_Man_t * pNtk;
+    Nwk_Obj_t * pNode;
+    Aig_Obj_t * pObj;
+    int i;
+    pNtk = Nwk_ManDeriveFromAig( p );
+    if ( fForward )
+        vNodes = Nwk_ManRetimeCutForward( pNtk, Aig_ManRegNum(p), fVerbose );
+    else
+        vNodes = Nwk_ManRetimeCutBackward( pNtk, Aig_ManRegNum(p), fVerbose );
+    Aig_ManForEachObj( p, pObj, i )
+        ((Nwk_Obj_t *)pObj->pData)->pCopy = pObj;
+    Vec_PtrForEachEntry( vNodes, pNode, i )
+        Vec_PtrWriteEntry( vNodes, i, pNode->pCopy );
+    Nwk_ManFree( pNtk );
+    assert( Vec_PtrSize(vNodes) <= Aig_ManRegNum(p) );
+    return vNodes;
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+