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/**CFile****************************************************************
FileName [ntkUtil.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Netlist representation.]
Synopsis [Various utilities.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: ntkUtil.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "ntk.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Increments the current traversal ID of the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Ntk_ManIncrementTravId( Ntk_Man_t * pNtk )
{
Ntk_Obj_t * pObj;
int i;
if ( pNtk->nTravIds >= (1<<26)-1 )
{
pNtk->nTravIds = 0;
Ntk_ManForEachObj( pNtk, pObj, i )
pObj->TravId = 0;
}
pNtk->nTravIds++;
}
/**Function*************************************************************
Synopsis [Reads the maximum number of fanins.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ntk_ManGetFaninMax( Ntk_Man_t * pNtk )
{
Ntk_Obj_t * pNode;
int i, nFaninsMax = 0;
Ntk_ManForEachNode( pNtk, pNode, i )
{
if ( nFaninsMax < Ntk_ObjFaninNum(pNode) )
nFaninsMax = Ntk_ObjFaninNum(pNode);
}
return nFaninsMax;
}
/**Function*************************************************************
Synopsis [Reads the total number of all fanins.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ntk_ManGetTotalFanins( Ntk_Man_t * pNtk )
{
Ntk_Obj_t * pNode;
int i, nFanins = 0;
Ntk_ManForEachNode( pNtk, pNode, i )
nFanins += Ntk_ObjFaninNum(pNode);
return nFanins;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ntk_ManPiNum( Ntk_Man_t * pNtk )
{
Ntk_Obj_t * pNode;
int i, Counter = 0;
Ntk_ManForEachCi( pNtk, pNode, i )
Counter += Ntk_ObjIsPi( pNode );
return Counter;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ntk_ManPoNum( Ntk_Man_t * pNtk )
{
Ntk_Obj_t * pNode;
int i, Counter = 0;
Ntk_ManForEachCo( pNtk, pNode, i )
Counter += Ntk_ObjIsPo( pNode );
return Counter;
}
/**Function*************************************************************
Synopsis [Reads the number of BDD nodes.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Ntk_ManGetAigNodeNum( Ntk_Man_t * pNtk )
{
Ntk_Obj_t * pNode;
int i, nNodes = 0;
Ntk_ManForEachNode( pNtk, pNode, i )
{
if ( pNode->pFunc == NULL )
{
printf( "Ntk_ManGetAigNodeNum(): Local AIG of node %d is not assigned.\n", pNode->Id );
continue;
}
if ( Ntk_ObjFaninNum(pNode) < 2 )
continue;
nNodes += Hop_DagSize( pNode->pFunc );
}
return nNodes;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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