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|
/**CFile****************************************************************
FileName [abcObj.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Network and node package.]
Synopsis [Object creation/duplication/deletion procedures.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: abcObj.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "abc.h"
#include "abcInt.h"
#include "src/base/main/main.h"
#include "src/map/mio/mio.h"
#include "src/misc/extra/extraBdd.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Creates a new object.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_ObjAlloc( Abc_Ntk_t * pNtk, Abc_ObjType_t Type )
{
Abc_Obj_t * pObj;
if ( pNtk->pMmObj )
pObj = (Abc_Obj_t *)Mem_FixedEntryFetch( pNtk->pMmObj );
else
pObj = (Abc_Obj_t *)ABC_ALLOC( Abc_Obj_t, 1 );
memset( pObj, 0, sizeof(Abc_Obj_t) );
pObj->pNtk = pNtk;
pObj->Type = Type;
pObj->Id = -1;
return pObj;
}
/**Function*************************************************************
Synopsis [Recycles the object.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_ObjRecycle( Abc_Obj_t * pObj )
{
Abc_Ntk_t * pNtk = pObj->pNtk;
// int LargePiece = (4 << ABC_NUM_STEPS);
// free large fanout arrays
// if ( pNtk->pMmStep && pObj->vFanouts.nCap * 4 > LargePiece )
// free( pObj->vFanouts.pArray );
if ( pNtk->pMmStep == NULL )
{
ABC_FREE( pObj->vFanouts.pArray );
ABC_FREE( pObj->vFanins.pArray );
}
// clean the memory to make deleted object distinct from the live one
memset( pObj, 0, sizeof(Abc_Obj_t) );
// recycle the object
if ( pNtk->pMmObj )
Mem_FixedEntryRecycle( pNtk->pMmObj, (char *)pObj );
else
ABC_FREE( pObj );
}
/**Function*************************************************************
Synopsis [Adds the node to the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateObj( Abc_Ntk_t * pNtk, Abc_ObjType_t Type )
{
Abc_Obj_t * pObj;
// create new object, assign ID, and add to the array
pObj = Abc_ObjAlloc( pNtk, Type );
pObj->Id = pNtk->vObjs->nSize;
Vec_PtrPush( pNtk->vObjs, pObj );
pNtk->nObjCounts[Type]++;
pNtk->nObjs++;
// perform specialized operations depending on the object type
switch (Type)
{
case ABC_OBJ_NONE:
assert(0);
break;
case ABC_OBJ_CONST1:
assert(0);
break;
case ABC_OBJ_PI:
Vec_PtrPush( pNtk->vPis, pObj );
Vec_PtrPush( pNtk->vCis, pObj );
break;
case ABC_OBJ_PO:
Vec_PtrPush( pNtk->vPos, pObj );
Vec_PtrPush( pNtk->vCos, pObj );
break;
case ABC_OBJ_BI:
if ( pNtk->vCos ) Vec_PtrPush( pNtk->vCos, pObj );
break;
case ABC_OBJ_BO:
if ( pNtk->vCis ) Vec_PtrPush( pNtk->vCis, pObj );
break;
case ABC_OBJ_NET:
case ABC_OBJ_NODE:
break;
case ABC_OBJ_LATCH:
pObj->pData = (void *)ABC_INIT_NONE;
case ABC_OBJ_WHITEBOX:
case ABC_OBJ_BLACKBOX:
if ( pNtk->vBoxes ) Vec_PtrPush( pNtk->vBoxes, pObj );
break;
default:
assert(0);
break;
}
return pObj;
}
/**Function*************************************************************
Synopsis [Deletes the object from the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkDeleteObj( Abc_Obj_t * pObj )
{
Abc_Ntk_t * pNtk = pObj->pNtk;
Vec_Ptr_t * vNodes;
int i;
assert( !Abc_ObjIsComplement(pObj) );
// remove from the table of names
if ( Nm_ManFindNameById(pObj->pNtk->pManName, pObj->Id) )
Nm_ManDeleteIdName(pObj->pNtk->pManName, pObj->Id);
// delete fanins and fanouts
vNodes = Vec_PtrAlloc( 100 );
Abc_NodeCollectFanouts( pObj, vNodes );
for ( i = 0; i < vNodes->nSize; i++ )
Abc_ObjDeleteFanin( (Abc_Obj_t *)vNodes->pArray[i], pObj );
Abc_NodeCollectFanins( pObj, vNodes );
for ( i = 0; i < vNodes->nSize; i++ )
Abc_ObjDeleteFanin( pObj, (Abc_Obj_t *)vNodes->pArray[i] );
Vec_PtrFree( vNodes );
// remove from the list of objects
Vec_PtrWriteEntry( pNtk->vObjs, pObj->Id, NULL );
pObj->Id = (1<<26)-1;
pNtk->nObjCounts[pObj->Type]--;
pNtk->nObjs--;
// perform specialized operations depending on the object type
switch (pObj->Type)
{
case ABC_OBJ_NONE:
assert(0);
break;
case ABC_OBJ_CONST1:
assert(0);
break;
case ABC_OBJ_PI:
Vec_PtrRemove( pNtk->vPis, pObj );
Vec_PtrRemove( pNtk->vCis, pObj );
break;
case ABC_OBJ_PO:
Vec_PtrRemove( pNtk->vPos, pObj );
Vec_PtrRemove( pNtk->vCos, pObj );
break;
case ABC_OBJ_BI:
if ( pNtk->vCos ) Vec_PtrRemove( pNtk->vCos, pObj );
break;
case ABC_OBJ_BO:
if ( pNtk->vCis ) Vec_PtrRemove( pNtk->vCis, pObj );
break;
case ABC_OBJ_NET:
break;
case ABC_OBJ_NODE:
if ( Abc_NtkHasBdd(pNtk) )
Cudd_RecursiveDeref( (DdManager *)pNtk->pManFunc, (DdNode *)pObj->pData );
pObj->pData = NULL;
break;
case ABC_OBJ_LATCH:
case ABC_OBJ_WHITEBOX:
case ABC_OBJ_BLACKBOX:
if ( pNtk->vBoxes ) Vec_PtrRemove( pNtk->vBoxes, pObj );
break;
default:
assert(0);
break;
}
// recycle the object memory
Abc_ObjRecycle( pObj );
}
/**Function*************************************************************
Synopsis [Deletes the node and MFFC of the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkDeleteObj_rec( Abc_Obj_t * pObj, int fOnlyNodes )
{
Vec_Ptr_t * vNodes;
int i;
assert( !Abc_ObjIsComplement(pObj) );
assert( !Abc_ObjIsPi(pObj) );
assert( Abc_ObjFanoutNum(pObj) == 0 );
// delete fanins and fanouts
vNodes = Vec_PtrAlloc( 100 );
Abc_NodeCollectFanins( pObj, vNodes );
Abc_NtkDeleteObj( pObj );
if ( fOnlyNodes )
{
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
if ( Abc_ObjIsNode(pObj) && Abc_ObjFanoutNum(pObj) == 0 )
Abc_NtkDeleteObj_rec( pObj, fOnlyNodes );
}
else
{
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
if ( !Abc_ObjIsPi(pObj) && Abc_ObjFanoutNum(pObj) == 0 )
Abc_NtkDeleteObj_rec( pObj, fOnlyNodes );
}
Vec_PtrFree( vNodes );
}
/**Function*************************************************************
Synopsis [Deletes the node and MFFC of the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkDeleteAll_rec( Abc_Obj_t * pObj )
{
Vec_Ptr_t * vNodes;
int i;
assert( !Abc_ObjIsComplement(pObj) );
assert( Abc_ObjFanoutNum(pObj) == 0 );
// delete fanins and fanouts
vNodes = Vec_PtrAlloc( 100 );
Abc_NodeCollectFanins( pObj, vNodes );
Abc_NtkDeleteObj( pObj );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
if ( !Abc_ObjIsNode(pObj) && Abc_ObjFanoutNum(pObj) == 0 )
Abc_NtkDeleteAll_rec( pObj );
Vec_PtrFree( vNodes );
}
/**Function*************************************************************
Synopsis [Duplicate the Obj.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkDupObj( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pObj, int fCopyName )
{
Abc_Obj_t * pObjNew;
// create the new object
pObjNew = Abc_NtkCreateObj( pNtkNew, (Abc_ObjType_t)pObj->Type );
// transfer names of the terminal objects
if ( fCopyName )
{
if ( Abc_ObjIsCi(pObj) )
{
if ( !Abc_NtkIsNetlist(pNtkNew) )
Abc_ObjAssignName( pObjNew, Abc_ObjName(Abc_ObjFanout0Ntk(pObj)), NULL );
}
else if ( Abc_ObjIsCo(pObj) )
{
if ( !Abc_NtkIsNetlist(pNtkNew) )
{
if ( Abc_ObjIsPo(pObj) )
Abc_ObjAssignName( pObjNew, Abc_ObjName(Abc_ObjFanin0Ntk(pObj)), NULL );
else
{
assert( Abc_ObjIsLatch(Abc_ObjFanout0(pObj)) );
Abc_ObjAssignName( pObjNew, Abc_ObjName(pObj), NULL );
}
}
}
else if ( Abc_ObjIsBox(pObj) || Abc_ObjIsNet(pObj) )
Abc_ObjAssignName( pObjNew, Abc_ObjName(pObj), NULL );
}
// copy functionality/names
if ( Abc_ObjIsNode(pObj) ) // copy the function if functionality is compatible
{
if ( pNtkNew->ntkFunc == pObj->pNtk->ntkFunc )
{
if ( Abc_NtkIsStrash(pNtkNew) )
{}
else if ( Abc_NtkHasSop(pNtkNew) || Abc_NtkHasBlifMv(pNtkNew) )
pObjNew->pData = Abc_SopRegister( (Mem_Flex_t *)pNtkNew->pManFunc, (char *)pObj->pData );
else if ( Abc_NtkHasBdd(pNtkNew) )
pObjNew->pData = Cudd_bddTransfer((DdManager *)pObj->pNtk->pManFunc, (DdManager *)pNtkNew->pManFunc, (DdNode *)pObj->pData), Cudd_Ref((DdNode *)pObjNew->pData);
else if ( Abc_NtkHasAig(pNtkNew) )
pObjNew->pData = Hop_Transfer((Hop_Man_t *)pObj->pNtk->pManFunc, (Hop_Man_t *)pNtkNew->pManFunc, (Hop_Obj_t *)pObj->pData, Abc_ObjFaninNum(pObj));
else if ( Abc_NtkHasMapping(pNtkNew) )
pObjNew->pData = pObj->pData;
else assert( 0 );
}
}
else if ( Abc_ObjIsNet(pObj) ) // copy the name
{
}
else if ( Abc_ObjIsLatch(pObj) ) // copy the reset value
pObjNew->pData = pObj->pData;
// transfer HAIG
// pObjNew->pEquiv = pObj->pEquiv;
// remember the new node in the old node
pObj->pCopy = pObjNew;
return pObjNew;
}
/**Function*************************************************************
Synopsis [Duplicates the latch with its input/output terminals.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkDupBox( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pBox, int fCopyName )
{
Abc_Obj_t * pTerm, * pBoxNew;
int i;
assert( Abc_ObjIsBox(pBox) );
// duplicate the box
pBoxNew = Abc_NtkDupObj( pNtkNew, pBox, fCopyName );
// duplicate the fanins and connect them
Abc_ObjForEachFanin( pBox, pTerm, i )
Abc_ObjAddFanin( pBoxNew, Abc_NtkDupObj(pNtkNew, pTerm, fCopyName) );
// duplicate the fanouts and connect them
Abc_ObjForEachFanout( pBox, pTerm, i )
Abc_ObjAddFanin( Abc_NtkDupObj(pNtkNew, pTerm, fCopyName), pBoxNew );
return pBoxNew;
}
/**Function*************************************************************
Synopsis [Clones the objects in the same network but does not assign its function.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCloneObj( Abc_Obj_t * pObj )
{
Abc_Obj_t * pClone, * pFanin;
int i;
pClone = Abc_NtkCreateObj( pObj->pNtk, (Abc_ObjType_t)pObj->Type );
Abc_ObjForEachFanin( pObj, pFanin, i )
Abc_ObjAddFanin( pClone, pFanin );
return pClone;
}
/**Function*************************************************************
Synopsis [Returns the net with the given name.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkFindNode( Abc_Ntk_t * pNtk, char * pName )
{
Abc_Obj_t * pObj;
int Num;
// try to find the terminal
Num = Nm_ManFindIdByName( pNtk->pManName, pName, ABC_OBJ_PO );
if ( Num >= 0 )
return Abc_ObjFanin0( Abc_NtkObj( pNtk, Num ) );
Num = Nm_ManFindIdByName( pNtk->pManName, pName, ABC_OBJ_BI );
if ( Num >= 0 )
return Abc_ObjFanin0( Abc_NtkObj( pNtk, Num ) );
Num = Nm_ManFindIdByName( pNtk->pManName, pName, ABC_OBJ_NODE );
if ( Num >= 0 )
return Abc_NtkObj( pNtk, Num );
// find the internal node
if ( pName[0] != 'n' )
{
printf( "Name \"%s\" is not found among CO or node names (internal names often look as \"n<num>\").\n", pName );
return NULL;
}
Num = atoi( pName + 1 );
if ( Num < 0 || Num >= Abc_NtkObjNumMax(pNtk) )
{
printf( "The node \"%s\" with ID %d is not in the current network.\n", pName, Num );
return NULL;
}
pObj = Abc_NtkObj( pNtk, Num );
if ( pObj == NULL )
{
printf( "The node \"%s\" with ID %d has been removed from the current network.\n", pName, Num );
return NULL;
}
if ( !Abc_ObjIsNode(pObj) )
{
printf( "Object with ID %d is not a node.\n", Num );
return NULL;
}
return pObj;
}
/**Function*************************************************************
Synopsis [Returns the net with the given name.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkFindNet( Abc_Ntk_t * pNtk, char * pName )
{
Abc_Obj_t * pNet;
int ObjId;
assert( Abc_NtkIsNetlist(pNtk) );
ObjId = Nm_ManFindIdByName( pNtk->pManName, pName, ABC_OBJ_NET );
if ( ObjId == -1 )
return NULL;
pNet = Abc_NtkObj( pNtk, ObjId );
return pNet;
}
/**Function*************************************************************
Synopsis [Returns CI with the given name.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkFindCi( Abc_Ntk_t * pNtk, char * pName )
{
int Num;
assert( !Abc_NtkIsNetlist(pNtk) );
Num = Nm_ManFindIdByName( pNtk->pManName, pName, ABC_OBJ_PI );
if ( Num >= 0 )
return Abc_NtkObj( pNtk, Num );
Num = Nm_ManFindIdByName( pNtk->pManName, pName, ABC_OBJ_BO );
if ( Num >= 0 )
return Abc_NtkObj( pNtk, Num );
return NULL;
}
/**Function*************************************************************
Synopsis [Returns CO with the given name.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkFindCo( Abc_Ntk_t * pNtk, char * pName )
{
int Num;
assert( !Abc_NtkIsNetlist(pNtk) );
Num = Nm_ManFindIdByName( pNtk->pManName, pName, ABC_OBJ_PO );
if ( Num >= 0 )
return Abc_NtkObj( pNtk, Num );
Num = Nm_ManFindIdByName( pNtk->pManName, pName, ABC_OBJ_BI );
if ( Num >= 0 )
return Abc_NtkObj( pNtk, Num );
return NULL;
}
/**Function*************************************************************
Synopsis [Finds or creates the net.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkFindOrCreateNet( Abc_Ntk_t * pNtk, char * pName )
{
Abc_Obj_t * pNet;
assert( Abc_NtkIsNetlist(pNtk) );
if ( pName && (pNet = Abc_NtkFindNet( pNtk, pName )) )
return pNet;
//printf( "Creating net %s.\n", pName );
// create a new net
pNet = Abc_NtkCreateNet( pNtk );
if ( pName )
Nm_ManStoreIdName( pNtk->pManName, pNet->Id, pNet->Type, pName, NULL );
return pNet;
}
/**Function*************************************************************
Synopsis [Creates constant 0 node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateNodeConst0( Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pNode;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
pNode = Abc_NtkCreateNode( pNtk );
if ( Abc_NtkHasSop(pNtk) || Abc_NtkHasBlifMv(pNtk) )
pNode->pData = Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 0\n" );
else if ( Abc_NtkHasBdd(pNtk) )
pNode->pData = Cudd_ReadLogicZero((DdManager *)pNtk->pManFunc), Cudd_Ref( (DdNode *)pNode->pData );
else if ( Abc_NtkHasAig(pNtk) )
pNode->pData = Hop_ManConst0((Hop_Man_t *)pNtk->pManFunc);
else if ( Abc_NtkHasMapping(pNtk) )
pNode->pData = Mio_LibraryReadConst0((Mio_Library_t *)Abc_FrameReadLibGen());
else if ( !Abc_NtkHasBlackbox(pNtk) )
assert( 0 );
return pNode;
}
/**Function*************************************************************
Synopsis [Creates constant 1 node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateNodeConst1( Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pNode;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
pNode = Abc_NtkCreateNode( pNtk );
if ( Abc_NtkHasSop(pNtk) || Abc_NtkHasBlifMv(pNtk) )
pNode->pData = Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 1\n" );
else if ( Abc_NtkHasBdd(pNtk) )
pNode->pData = Cudd_ReadOne((DdManager *)pNtk->pManFunc), Cudd_Ref( (DdNode *)pNode->pData );
else if ( Abc_NtkHasAig(pNtk) )
pNode->pData = Hop_ManConst1((Hop_Man_t *)pNtk->pManFunc);
else if ( Abc_NtkHasMapping(pNtk) )
pNode->pData = Mio_LibraryReadConst1((Mio_Library_t *)Abc_FrameReadLibGen());
else if ( !Abc_NtkHasBlackbox(pNtk) )
assert( 0 );
return pNode;
}
/**Function*************************************************************
Synopsis [Creates inverter.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateNodeInv( Abc_Ntk_t * pNtk, Abc_Obj_t * pFanin )
{
Abc_Obj_t * pNode;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
pNode = Abc_NtkCreateNode( pNtk );
if ( pFanin ) Abc_ObjAddFanin( pNode, pFanin );
if ( Abc_NtkHasSop(pNtk) )
pNode->pData = Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, "0 1\n" );
else if ( Abc_NtkHasBdd(pNtk) )
pNode->pData = Cudd_Not(Cudd_bddIthVar((DdManager *)pNtk->pManFunc,0)), Cudd_Ref( (DdNode *)pNode->pData );
else if ( Abc_NtkHasAig(pNtk) )
pNode->pData = Hop_Not(Hop_IthVar((Hop_Man_t *)pNtk->pManFunc,0));
else if ( Abc_NtkHasMapping(pNtk) )
pNode->pData = Mio_LibraryReadInv((Mio_Library_t *)Abc_FrameReadLibGen());
else
assert( 0 );
return pNode;
}
/**Function*************************************************************
Synopsis [Creates buffer.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateNodeBuf( Abc_Ntk_t * pNtk, Abc_Obj_t * pFanin )
{
Abc_Obj_t * pNode;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
pNode = Abc_NtkCreateNode( pNtk );
if ( pFanin ) Abc_ObjAddFanin( pNode, pFanin );
if ( Abc_NtkHasSop(pNtk) )
pNode->pData = Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, "1 1\n" );
else if ( Abc_NtkHasBdd(pNtk) )
pNode->pData = Cudd_bddIthVar((DdManager *)pNtk->pManFunc,0), Cudd_Ref( (DdNode *)pNode->pData );
else if ( Abc_NtkHasAig(pNtk) )
pNode->pData = Hop_IthVar((Hop_Man_t *)pNtk->pManFunc,0);
else if ( Abc_NtkHasMapping(pNtk) )
pNode->pData = Mio_LibraryReadBuf((Mio_Library_t *)Abc_FrameReadLibGen());
else
assert( 0 );
return pNode;
}
/**Function*************************************************************
Synopsis [Creates AND.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateNodeAnd( Abc_Ntk_t * pNtk, Vec_Ptr_t * vFanins )
{
Abc_Obj_t * pNode;
int i;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
pNode = Abc_NtkCreateNode( pNtk );
for ( i = 0; i < vFanins->nSize; i++ )
Abc_ObjAddFanin( pNode, (Abc_Obj_t *)vFanins->pArray[i] );
if ( Abc_NtkHasSop(pNtk) )
pNode->pData = Abc_SopCreateAnd( (Mem_Flex_t *)pNtk->pManFunc, Vec_PtrSize(vFanins), NULL );
else if ( Abc_NtkHasBdd(pNtk) )
pNode->pData = Extra_bddCreateAnd( (DdManager *)pNtk->pManFunc, Vec_PtrSize(vFanins) ), Cudd_Ref((DdNode *)pNode->pData);
else if ( Abc_NtkHasAig(pNtk) )
pNode->pData = Hop_CreateAnd( (Hop_Man_t *)pNtk->pManFunc, Vec_PtrSize(vFanins) );
else
assert( 0 );
return pNode;
}
/**Function*************************************************************
Synopsis [Creates OR.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateNodeOr( Abc_Ntk_t * pNtk, Vec_Ptr_t * vFanins )
{
Abc_Obj_t * pNode;
int i;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
pNode = Abc_NtkCreateNode( pNtk );
for ( i = 0; i < vFanins->nSize; i++ )
Abc_ObjAddFanin( pNode, (Abc_Obj_t *)vFanins->pArray[i] );
if ( Abc_NtkHasSop(pNtk) )
pNode->pData = Abc_SopCreateOr( (Mem_Flex_t *)pNtk->pManFunc, Vec_PtrSize(vFanins), NULL );
else if ( Abc_NtkHasBdd(pNtk) )
pNode->pData = Extra_bddCreateOr( (DdManager *)pNtk->pManFunc, Vec_PtrSize(vFanins) ), Cudd_Ref((DdNode *)pNode->pData);
else if ( Abc_NtkHasAig(pNtk) )
pNode->pData = Hop_CreateOr( (Hop_Man_t *)pNtk->pManFunc, Vec_PtrSize(vFanins) );
else
assert( 0 );
return pNode;
}
/**Function*************************************************************
Synopsis [Creates EXOR.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateNodeExor( Abc_Ntk_t * pNtk, Vec_Ptr_t * vFanins )
{
Abc_Obj_t * pNode;
int i;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
pNode = Abc_NtkCreateNode( pNtk );
for ( i = 0; i < vFanins->nSize; i++ )
Abc_ObjAddFanin( pNode, (Abc_Obj_t *)vFanins->pArray[i] );
if ( Abc_NtkHasSop(pNtk) )
pNode->pData = Abc_SopCreateXorSpecial( (Mem_Flex_t *)pNtk->pManFunc, Vec_PtrSize(vFanins) );
else if ( Abc_NtkHasBdd(pNtk) )
pNode->pData = Extra_bddCreateExor( (DdManager *)pNtk->pManFunc, Vec_PtrSize(vFanins) ), Cudd_Ref((DdNode *)pNode->pData);
else if ( Abc_NtkHasAig(pNtk) )
pNode->pData = Hop_CreateExor( (Hop_Man_t *)pNtk->pManFunc, Vec_PtrSize(vFanins) );
else
assert( 0 );
return pNode;
}
/**Function*************************************************************
Synopsis [Creates MUX.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkCreateNodeMux( Abc_Ntk_t * pNtk, Abc_Obj_t * pNodeC, Abc_Obj_t * pNode1, Abc_Obj_t * pNode0 )
{
Abc_Obj_t * pNode;
assert( Abc_NtkIsLogic(pNtk) );
pNode = Abc_NtkCreateNode( pNtk );
Abc_ObjAddFanin( pNode, pNodeC );
Abc_ObjAddFanin( pNode, pNode1 );
Abc_ObjAddFanin( pNode, pNode0 );
if ( Abc_NtkHasSop(pNtk) )
pNode->pData = Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, "11- 1\n0-1 1\n" );
else if ( Abc_NtkHasBdd(pNtk) )
pNode->pData = Cudd_bddIte((DdManager *)pNtk->pManFunc,Cudd_bddIthVar((DdManager *)pNtk->pManFunc,0),Cudd_bddIthVar((DdManager *)pNtk->pManFunc,1),Cudd_bddIthVar((DdManager *)pNtk->pManFunc,2)), Cudd_Ref( (DdNode *)pNode->pData );
else if ( Abc_NtkHasAig(pNtk) )
pNode->pData = Hop_Mux((Hop_Man_t *)pNtk->pManFunc,Hop_IthVar((Hop_Man_t *)pNtk->pManFunc,0),Hop_IthVar((Hop_Man_t *)pNtk->pManFunc,1),Hop_IthVar((Hop_Man_t *)pNtk->pManFunc,2));
else
assert( 0 );
return pNode;
}
/**Function*************************************************************
Synopsis [Returns 1 if the node is a constant 0 node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NodeIsConst( Abc_Obj_t * pNode )
{
assert( Abc_NtkIsLogic(pNode->pNtk) || Abc_NtkIsNetlist(pNode->pNtk) );
return Abc_ObjIsNode(pNode) && Abc_ObjFaninNum(pNode) == 0;
}
/**Function*************************************************************
Synopsis [Returns 1 if the node is a constant 0 node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NodeIsConst0( Abc_Obj_t * pNode )
{
Abc_Ntk_t * pNtk = pNode->pNtk;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
assert( Abc_ObjIsNode(pNode) );
if ( !Abc_NodeIsConst(pNode) )
return 0;
if ( Abc_NtkHasSop(pNtk) )
return Abc_SopIsConst0((char *)pNode->pData);
if ( Abc_NtkHasBdd(pNtk) )
return Cudd_IsComplement(pNode->pData);
if ( Abc_NtkHasAig(pNtk) )
return Hop_IsComplement((Hop_Obj_t *)pNode->pData)? 1:0;
if ( Abc_NtkHasMapping(pNtk) )
return pNode->pData == Mio_LibraryReadConst0((Mio_Library_t *)Abc_FrameReadLibGen());
assert( 0 );
return 0;
}
/**Function*************************************************************
Synopsis [Returns 1 if the node is a constant 1 node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NodeIsConst1( Abc_Obj_t * pNode )
{
Abc_Ntk_t * pNtk = pNode->pNtk;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
assert( Abc_ObjIsNode(pNode) );
if ( !Abc_NodeIsConst(pNode) )
return 0;
if ( Abc_NtkHasSop(pNtk) )
return Abc_SopIsConst1((char *)pNode->pData);
if ( Abc_NtkHasBdd(pNtk) )
return !Cudd_IsComplement(pNode->pData);
if ( Abc_NtkHasAig(pNtk) )
return !Hop_IsComplement((Hop_Obj_t *)pNode->pData);
if ( Abc_NtkHasMapping(pNtk) )
return pNode->pData == Mio_LibraryReadConst1((Mio_Library_t *)Abc_FrameReadLibGen());
assert( 0 );
return 0;
}
/**Function*************************************************************
Synopsis [Returns 1 if the node is a buffer.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NodeIsBuf( Abc_Obj_t * pNode )
{
Abc_Ntk_t * pNtk = pNode->pNtk;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
assert( Abc_ObjIsNode(pNode) );
if ( Abc_ObjFaninNum(pNode) != 1 )
return 0;
if ( Abc_NtkHasSop(pNtk) )
return Abc_SopIsBuf((char *)pNode->pData);
if ( Abc_NtkHasBdd(pNtk) )
return !Cudd_IsComplement(pNode->pData);
if ( Abc_NtkHasAig(pNtk) )
return !Hop_IsComplement((Hop_Obj_t *)pNode->pData);
if ( Abc_NtkHasMapping(pNtk) )
return pNode->pData == Mio_LibraryReadBuf((Mio_Library_t *)Abc_FrameReadLibGen());
assert( 0 );
return 0;
}
/**Function*************************************************************
Synopsis [Returns 1 if the node is an inverter.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NodeIsInv( Abc_Obj_t * pNode )
{
Abc_Ntk_t * pNtk = pNode->pNtk;
assert( Abc_NtkIsLogic(pNtk) || Abc_NtkIsNetlist(pNtk) );
assert( Abc_ObjIsNode(pNode) );
if ( Abc_ObjFaninNum(pNode) != 1 )
return 0;
if ( Abc_NtkHasSop(pNtk) )
return Abc_SopIsInv((char *)pNode->pData);
if ( Abc_NtkHasBdd(pNtk) )
return Cudd_IsComplement(pNode->pData);
if ( Abc_NtkHasAig(pNtk) )
return Hop_IsComplement((Hop_Obj_t *)pNode->pData)? 1:0;
if ( Abc_NtkHasMapping(pNtk) )
return pNode->pData == Mio_LibraryReadInv((Mio_Library_t *)Abc_FrameReadLibGen());
assert( 0 );
return 0;
}
/**Function*************************************************************
Synopsis [Complements the local functions of the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NodeComplement( Abc_Obj_t * pNode )
{
assert( Abc_NtkIsLogic(pNode->pNtk) || Abc_NtkIsNetlist(pNode->pNtk) );
assert( Abc_ObjIsNode(pNode) );
if ( Abc_NtkHasSop(pNode->pNtk) )
Abc_SopComplement( (char *)pNode->pData );
else if ( Abc_NtkHasAig(pNode->pNtk) )
pNode->pData = Hop_Not( (Hop_Obj_t *)pNode->pData );
else if ( Abc_NtkHasBdd(pNode->pNtk) )
pNode->pData = Cudd_Not( pNode->pData );
else
assert( 0 );
}
/**Function*************************************************************
Synopsis [Changes the polarity of one fanin.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NodeComplementInput( Abc_Obj_t * pNode, Abc_Obj_t * pFanin )
{
int iFanin;
if ( (iFanin = Vec_IntFind( &pNode->vFanins, pFanin->Id )) == -1 )
{
printf( "Node %s should be among", Abc_ObjName(pFanin) );
printf( " the fanins of node %s...\n", Abc_ObjName(pNode) );
return;
}
if ( Abc_NtkHasSop(pNode->pNtk) )
Abc_SopComplementVar( (char *)pNode->pData, iFanin );
else if ( Abc_NtkHasAig(pNode->pNtk) )
pNode->pData = Hop_Complement( (Hop_Man_t *)pNode->pNtk->pManFunc, (Hop_Obj_t *)pNode->pData, iFanin );
else if ( Abc_NtkHasBdd(pNode->pNtk) )
{
DdManager * dd = (DdManager *)pNode->pNtk->pManFunc;
DdNode * bVar, * bCof0, * bCof1;
bVar = Cudd_bddIthVar( dd, iFanin );
bCof0 = Cudd_Cofactor( dd, (DdNode *)pNode->pData, Cudd_Not(bVar) ); Cudd_Ref( bCof0 );
bCof1 = Cudd_Cofactor( dd, (DdNode *)pNode->pData, bVar ); Cudd_Ref( bCof1 );
Cudd_RecursiveDeref( dd, (DdNode *)pNode->pData );
pNode->pData = Cudd_bddIte( dd, bVar, bCof0, bCof1 ); Cudd_Ref( (DdNode *)pNode->pData );
Cudd_RecursiveDeref( dd, bCof0 );
Cudd_RecursiveDeref( dd, bCof1 );
}
else
assert( 0 );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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