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authorAlan Mishchenko <alanmi@berkeley.edu>2007-10-01 08:01:00 -0700
committerAlan Mishchenko <alanmi@berkeley.edu>2007-10-01 08:01:00 -0700
commit4812c90424dfc40d26725244723887a2d16ddfd9 (patch)
treeb32ace96e7e2d84d586e09ba605463b6f49c3271 /src/base/abci/abcMini.c
parente54d9691616b9a0326e2fdb3156bb4eeb8abfcd7 (diff)
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Version abc71001
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diff --git a/src/base/abci/abcMini.c 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 Hop_Man_t * Abc_NtkToMini( Abc_Ntk_t * pNtk );
+static Abc_Ntk_t * Abc_NtkFromMini( Abc_Ntk_t * pNtkOld, Hop_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;
+ Hop_Man_t * pMan, * pTemp;
+ assert( Abc_NtkIsStrash(pNtk) );
+ // convert to the AIG manager
+ pMan = Abc_NtkToMini( pNtk );
+ if ( pMan == NULL )
+ return NULL;
+ if ( !Hop_ManCheck( pMan ) )
+ {
+ printf( "AIG check has failed.\n" );
+ Hop_ManStop( pMan );
+ return NULL;
+ }
+ // perform balance
+ Hop_ManPrintStats( pMan );
+// Hop_ManDumpBlif( pMan, "aig_temp.blif" );
+ pMan = Hop_ManBalance( pTemp = pMan, 1 );
+ Hop_ManStop( pTemp );
+ Hop_ManPrintStats( pMan );
+ // convert from the AIG manager
+ pNtkAig = Abc_NtkFromMini( pNtk, pMan );
+ if ( pNtkAig == NULL )
+ return NULL;
+ Hop_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 []
+
+***********************************************************************/
+Hop_Man_t * Abc_NtkToMini( Abc_Ntk_t * pNtk )
+{
+ Hop_Man_t * pMan;
+ Abc_Obj_t * pObj;
+ int i;
+ // create the manager
+ pMan = Hop_ManStart();
+ // transfer the pointers to the basic nodes
+ Abc_AigConst1(pNtk)->pCopy = (Abc_Obj_t *)Hop_ManConst1(pMan);
+ Abc_NtkForEachCi( pNtk, pObj, i )
+ pObj->pCopy = (Abc_Obj_t *)Hop_ObjCreatePi(pMan);
+ // perform the conversion of the internal nodes (assumes DFS ordering)
+ Abc_NtkForEachNode( pNtk, pObj, i )
+ pObj->pCopy = (Abc_Obj_t *)Hop_And( pMan, (Hop_Obj_t *)Abc_ObjChild0Copy(pObj), (Hop_Obj_t *)Abc_ObjChild1Copy(pObj) );
+ // create the POs
+ Abc_NtkForEachCo( pNtk, pObj, i )
+ Hop_ObjCreatePo( pMan, (Hop_Obj_t *)Abc_ObjChild0Copy(pObj) );
+ Hop_ManCleanup( pMan );
+ return pMan;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Converts the network from the AIG manager into ABC.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Abc_Ntk_t * Abc_NtkFromMini( Abc_Ntk_t * pNtk, Hop_Man_t * pMan )
+{
+ Vec_Ptr_t * vNodes;
+ Abc_Ntk_t * pNtkNew;
+ Hop_Obj_t * pObj;
+ int i;
+ // perform strashing
+ pNtkNew = Abc_NtkStartFrom( pNtk, ABC_NTK_STRASH, ABC_FUNC_AIG );
+ // transfer the pointers to the basic nodes
+ Hop_ManConst1(pMan)->pData = Abc_AigConst1(pNtkNew);
+ Hop_ManForEachPi( pMan, pObj, i )
+ pObj->pData = Abc_NtkCi(pNtkNew, i);
+ // rebuild the AIG
+ vNodes = Hop_ManDfs( pMan );
+ Vec_PtrForEachEntry( vNodes, pObj, i )
+ pObj->pData = Abc_AigAnd( pNtkNew->pManFunc, (Abc_Obj_t *)Hop_ObjChild0Copy(pObj), (Abc_Obj_t *)Hop_ObjChild1Copy(pObj) );
+ Vec_PtrFree( vNodes );
+ // connect the PO nodes
+ Hop_ManForEachPo( pMan, pObj, i )
+ Abc_ObjAddFanin( Abc_NtkCo(pNtkNew, i), (Abc_Obj_t *)Hop_ObjChild0Copy(pObj) );
+ if ( !Abc_NtkCheck( pNtkNew ) )
+ fprintf( stdout, "Abc_NtkFromMini(): Network check has failed.\n" );
+ return pNtkNew;
+}
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
+