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/**CFile****************************************************************
FileName [darCheck.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [DAG-aware AIG rewriting.]
Synopsis [AIG checking procedures.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - April 28, 2007.]
Revision [$Id: darCheck.c,v 1.00 2007/04/28 00:00:00 alanmi Exp $]
***********************************************************************/
#include "dar.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Checks the consistency of the AIG manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Dar_ManCheck( Dar_Man_t * p )
{
Dar_Obj_t * pObj, * pObj2;
int i;
// check primary inputs
Dar_ManForEachPi( p, pObj, i )
{
if ( Dar_ObjFanin0(pObj) || Dar_ObjFanin1(pObj) )
{
printf( "Dar_ManCheck: The PI node \"%p\" has fanins.\n", pObj );
return 0;
}
}
// check primary outputs
Dar_ManForEachPo( p, pObj, i )
{
if ( !Dar_ObjFanin0(pObj) )
{
printf( "Dar_ManCheck: The PO node \"%p\" has NULL fanin.\n", pObj );
return 0;
}
if ( Dar_ObjFanin1(pObj) )
{
printf( "Dar_ManCheck: The PO node \"%p\" has second fanin.\n", pObj );
return 0;
}
}
// check internal nodes
Dar_ManForEachObj( p, pObj, i )
{
if ( !Dar_ObjIsNode(pObj) )
continue;
if ( !Dar_ObjFanin0(pObj) || !Dar_ObjFanin1(pObj) )
{
printf( "Dar_ManCheck: The AIG has internal node \"%p\" with a NULL fanin.\n", pObj );
return 0;
}
if ( Dar_ObjFanin0(pObj)->Id >= Dar_ObjFanin1(pObj)->Id )
{
printf( "Dar_ManCheck: The AIG has node \"%p\" with a wrong ordering of fanins.\n", pObj );
return 0;
}
pObj2 = Dar_TableLookup( p, pObj );
if ( pObj2 != pObj )
{
printf( "Dar_ManCheck: Node \"%p\" is not in the structural hashing table.\n", pObj );
return 0;
}
}
// count the total number of nodes
if ( Dar_ManObjNum(p) != 1 + Dar_ManPiNum(p) + Dar_ManPoNum(p) + Dar_ManBufNum(p) + Dar_ManAndNum(p) + Dar_ManExorNum(p) + Dar_ManLatchNum(p) )
{
printf( "Dar_ManCheck: The number of created nodes is wrong.\n" );
printf( "C1 = %d. Pi = %d. Po = %d. Buf = %d. And = %d. Xor = %d. Lat = %d. Total = %d.\n",
1, Dar_ManPiNum(p), Dar_ManPoNum(p), Dar_ManBufNum(p), Dar_ManAndNum(p), Dar_ManExorNum(p), Dar_ManLatchNum(p),
1 + Dar_ManPiNum(p) + Dar_ManPoNum(p) + Dar_ManBufNum(p) + Dar_ManAndNum(p) + Dar_ManExorNum(p) + Dar_ManLatchNum(p) );
printf( "Created = %d. Deleted = %d. Existing = %d.\n",
p->nCreated, p->nDeleted, p->nCreated - p->nDeleted );
return 0;
}
// count the number of nodes in the table
if ( Dar_TableCountEntries(p) != Dar_ManAndNum(p) + Dar_ManExorNum(p) + Dar_ManLatchNum(p) )
{
printf( "Dar_ManCheck: The number of nodes in the structural hashing table is wrong.\n" );
printf( "Entries = %d. And = %d. Xor = %d. Lat = %d. Total = %d.\n",
Dar_TableCountEntries(p), Dar_ManAndNum(p), Dar_ManExorNum(p), Dar_ManLatchNum(p),
Dar_ManAndNum(p) + Dar_ManExorNum(p) + Dar_ManLatchNum(p) );
return 0;
}
// if ( !Dar_ManIsAcyclic(p) )
// return 0;
return 1;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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