1 files changed, 152 insertions, 0 deletions
diff --git a/src/base/abci/abcMini.c b/src/base/abci/abcMini.c
new file mode 100644
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+++ b/src/base/abci/abcMini.c
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+/**CFile****************************************************************
+
+  FileName    [abcMini.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Network and node package.]
+
+  Synopsis    [Interface to the minimalistic AIG package.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: abcMini.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "abc.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+static Aig_Man_t * Abc_NtkToAig( Abc_Ntk_t * pNtk );
+static Abc_Ntk_t * Abc_NtkFromAig( Abc_Ntk_t * pNtkOld, Aig_Man_t * pMan );
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Gives the current ABC network to AIG manager for processing.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Abc_Ntk_t * Abc_NtkMiniBalance( Abc_Ntk_t * pNtk )
+{
+    Abc_Ntk_t * pNtkAig;
+    Aig_Man_t * pMan, * pTemp;
+    assert( Abc_NtkIsStrash(pNtk) );
+    // convert to the AIG manager
+    pMan = Abc_NtkToAig( pNtk );
+    if ( pMan == NULL )
+        return NULL;
+    if ( !Aig_ManCheck( pMan ) )
+    {
+        printf( "AIG check has failed.\n" );
+        Aig_ManStop( pMan );
+        return NULL;
+    }
+    // perform balance
+    Aig_ManPrintStats( pMan );
+    pMan = Aig_ManBalance( pTemp = pMan, 1 );
+    Aig_ManStop( pTemp );
+    Aig_ManPrintStats( pMan );
+    // convert from the AIG manager
+    pNtkAig = Abc_NtkFromAig( pNtk, pMan );
+    if ( pNtkAig == NULL )
+        return NULL;
+    Aig_ManStop( pMan );
+    // make sure everything is okay
+    if ( !Abc_NtkCheck( pNtkAig ) )
+    {
+        printf( "Abc_NtkStrash: The network check has failed.\n" );
+        Abc_NtkDelete( pNtkAig );
+        return NULL;
+    }
+    return pNtkAig;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Converts the network from the AIG manager into ABC.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Aig_Man_t * Abc_NtkToAig( Abc_Ntk_t * pNtk )
+{
+    Aig_Man_t * pMan;
+    Abc_Obj_t * pObj;
+    int i;
+    // create the manager
+    pMan = Aig_ManStart();
+    // transfer the pointers to the basic nodes
+    Abc_AigConst1(pNtk)->pCopy = (Abc_Obj_t *)Aig_ManConst1(pMan);
+    Abc_NtkForEachCi( pNtk, pObj, i )
+        pObj->pCopy = (Abc_Obj_t *)Aig_ObjCreatePi(pMan);
+    // perform the conversion of the internal nodes (assumes DFS ordering)
+    Abc_NtkForEachNode( pNtk, pObj, i )
+        pObj->pCopy = (Abc_Obj_t *)Aig_And( pMan, (Aig_Obj_t *)Abc_ObjChild0Copy(pObj), (Aig_Obj_t *)Abc_ObjChild1Copy(pObj) );
+    // create the POs
+    Abc_NtkForEachCo( pNtk, pObj, i )
+        Aig_ObjCreatePo( pMan, (Aig_Obj_t *)Abc_ObjChild0Copy(pObj) );
+    Aig_ManCleanup( pMan );
+    return pMan;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Converts the network from the AIG manager into ABC.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Abc_Ntk_t * Abc_NtkFromAig( Abc_Ntk_t * pNtk, Aig_Man_t * pMan )
+{
+    Vec_Ptr_t * vNodes;
+    Abc_Ntk_t * pNtkNew;
+    Aig_Obj_t * pObj;
+    int i;
+    // perform strashing
+    pNtkNew = Abc_NtkStartFrom( pNtk, ABC_NTK_STRASH, ABC_FUNC_AIG );
+    // transfer the pointers to the basic nodes
+    Aig_ManConst1(pMan)->pData = Abc_AigConst1(pNtkNew);
+    Aig_ManForEachPi( pMan, pObj, i )
+        pObj->pData = Abc_NtkCi(pNtkNew, i);
+    // rebuild the AIG
+    vNodes = Aig_ManDfs( pMan );
+    Vec_PtrForEachEntry( vNodes, pObj, i )
+        pObj->pData = Abc_AigAnd( pNtkNew->pManFunc, (Abc_Obj_t *)Aig_ObjChild0Copy(pObj), (Abc_Obj_t *)Aig_ObjChild1Copy(pObj) );
+    Vec_PtrFree( vNodes );
+    // connect the PO nodes
+    Aig_ManForEachPo( pMan, pObj, i )
+        Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), (Abc_Obj_t *)Aig_ObjChild0Copy(pObj) );
+    if ( !Abc_NtkCheck( pNtkNew ) )
+        fprintf( stdout, "Abc_NtkFromAig(): Network check has failed.\n" );
+    return pNtkNew;
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+