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/**CFile****************************************************************
FileName [saigMiter.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Sequential AIG package.]
Synopsis [Computes sequential miter of two sequential AIGs.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: saigMiter.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "saig.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Saig_ManCreateMiter( Aig_Man_t * p1, Aig_Man_t * p2, int Oper )
{
Aig_Man_t * pNew;
Aig_Obj_t * pObj;
int i;
assert( Saig_ManRegNum(p1) > 0 || Saig_ManRegNum(p2) > 0 );
assert( Saig_ManPiNum(p1) == Saig_ManPiNum(p2) );
assert( Saig_ManPoNum(p1) == Saig_ManPoNum(p2) );
pNew = Aig_ManStart( Aig_ManObjNumMax(p1) + Aig_ManObjNumMax(p2) );
pNew->pName = Aig_UtilStrsav( "miter" );
// map constant nodes
Aig_ManConst1(p1)->pData = Aig_ManConst1(pNew);
Aig_ManConst1(p2)->pData = Aig_ManConst1(pNew);
// map primary inputs
Saig_ManForEachPi( p1, pObj, i )
pObj->pData = Aig_ObjCreatePi( pNew );
Saig_ManForEachPi( p2, pObj, i )
pObj->pData = Aig_ManPi( pNew, i );
// map register outputs
Saig_ManForEachLo( p1, pObj, i )
pObj->pData = Aig_ObjCreatePi( pNew );
Saig_ManForEachLo( p2, pObj, i )
pObj->pData = Aig_ObjCreatePi( pNew );
// map internal nodes
Aig_ManForEachNode( p1, pObj, i )
pObj->pData = Aig_And( pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
Aig_ManForEachNode( p2, pObj, i )
pObj->pData = Aig_And( pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
// create primary outputs
Saig_ManForEachPo( p1, pObj, i )
{
if ( Oper == 0 ) // XOR
pObj = Aig_Exor( pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild0Copy(Aig_ManPo(p2,i)) );
else if ( Oper == 1 ) // implication is PO(p1) -> PO(p2) ... complement is PO(p1) & !PO(p2)
pObj = Aig_And( pNew, Aig_ObjChild0Copy(pObj), Aig_Not(Aig_ObjChild0Copy(Aig_ManPo(p2,i))) );
else
assert( 0 );
Aig_ObjCreatePo( pNew, pObj );
}
// create register inputs
Saig_ManForEachLi( p1, pObj, i )
pObj->pData = Aig_ObjCreatePo( pNew, Aig_ObjChild0Copy(pObj) );
Saig_ManForEachLi( p2, pObj, i )
pObj->pData = Aig_ObjCreatePo( pNew, Aig_ObjChild0Copy(pObj) );
// cleanup
Aig_ManSetRegNum( pNew, Saig_ManRegNum(p1) + Saig_ManRegNum(p2) );
Aig_ManCleanup( pNew );
return pNew;
}
/**Function*************************************************************
Synopsis [Duplicates the AIG to have constant-0 initial state.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Saig_ManDupInitZero( Aig_Man_t * p )
{
Aig_Man_t * pNew;
Aig_Obj_t * pObj;
int i;
pNew = Aig_ManStart( Aig_ManObjNumMax(p) );
pNew->pName = Aig_UtilStrsav( p->pName );
Aig_ManConst1(p)->pData = Aig_ManConst1(pNew);
Saig_ManForEachPi( p, pObj, i )
pObj->pData = Aig_ObjCreatePi( pNew );
Saig_ManForEachLo( p, pObj, i )
pObj->pData = Aig_NotCond( Aig_ObjCreatePi( pNew ), pObj->fMarkA );
Aig_ManForEachNode( p, pObj, i )
pObj->pData = Aig_And( pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
Saig_ManForEachPo( p, pObj, i )
pObj->pData = Aig_ObjCreatePo( pNew, Aig_ObjChild0Copy(pObj) );
Saig_ManForEachLi( p, pObj, i )
pObj->pData = Aig_ObjCreatePo( pNew, Aig_NotCond( Aig_ObjChild0Copy(pObj), pObj->fMarkA ) );
Aig_ManSetRegNum( pNew, Saig_ManRegNum(p) );
assert( Aig_ManNodeNum(pNew) == Aig_ManNodeNum(p) );
return pNew;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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