mirror of https://github.com/YosysHQ/abc.git
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/**CFile****************************************************************
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FileName [abcUtils.c]
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SystemName [ABC: Logic synthesis and verification system.]
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PackageName [Network and node package.]
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Synopsis [Utilities working sequential AIGs.]
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Author [Alan Mishchenko]
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Affiliation [UC Berkeley]
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Date [Ver. 1.0. Started - June 20, 2005.]
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Revision [$Id: abcUtils.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
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***********************************************************************/
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#include "abcs.h"
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////////////////////////////////////////////////////////////////////////
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/// DECLARATIONS ///
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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/// FUNCTION DEFITIONS ///
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////////////////////////////////////////////////////////////////////////
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/**Function*************************************************************
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Synopsis [Counts the number of latches in the sequential AIG.]
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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int Abc_NtkSeqLatchNum( Abc_Ntk_t * pNtk )
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{
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Abc_Obj_t * pObj;
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int i, Counter;
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assert( Abc_NtkIsSeq( pNtk ) );
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Counter = 0;
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Abc_NtkForEachNode( pNtk, pObj, i )
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Counter += Abc_ObjFaninLSum( pObj );
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Abc_NtkForEachPo( pNtk, pObj, i )
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Counter += Abc_ObjFaninLSum( pObj );
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return Counter;
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}
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/**Function*************************************************************
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Synopsis [Counts the number of latches in the sequential AIG.]
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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int Abc_NtkSeqLatchNumShared( Abc_Ntk_t * pNtk )
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{
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Abc_Obj_t * pObj;
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int i, Counter;
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assert( Abc_NtkIsSeq( pNtk ) );
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Counter = 0;
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Abc_NtkForEachPi( pNtk, pObj, i )
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Counter += Abc_ObjFanoutLMax( pObj );
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Abc_NtkForEachNode( pNtk, pObj, i )
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Counter += Abc_ObjFanoutLMax( pObj );
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return Counter;
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}
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////////////////////////////////////////////////////////////////////////
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/// END OF FILE ///
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////////////////////////////////////////////////////////////////////////
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