/**Function*************************************************************
Synopsis [Derives the miter of two networks.]
Description [Preprocesses the networks to make sure that they are strashed.]
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkMiter( Abc_Ntk_t * pNtk1, Abc_Ntk_t * pNtk2, int fComb, int nPartSize, int fImplic, int fMulti )
{
Abc_Ntk_t * pTemp = NULL;
int fRemove1, fRemove2;
assert( Abc_NtkHasOnlyLatchBoxes(pNtk1) );
assert( Abc_NtkHasOnlyLatchBoxes(pNtk2) );
// check that the networks have the same PIs/POs/latches
if ( !Abc_NtkCompareSignals( pNtk1, pNtk2, 0, fComb ) )
return NULL;
// make sure the circuits are strashed
fRemove1 = (!Abc_NtkIsStrash(pNtk1) || Abc_NtkGetChoiceNum(pNtk1)) && (pNtk1 = Abc_NtkStrash(pNtk1, 0, 0, 0));
fRemove2 = (!Abc_NtkIsStrash(pNtk2) || Abc_NtkGetChoiceNum(pNtk2)) && (pNtk2 = Abc_NtkStrash(pNtk2, 0, 0, 0));
if ( pNtk1 && pNtk2 )
pTemp = Abc_NtkMiterInt( pNtk1, pNtk2, fComb, nPartSize, fImplic, fMulti );
if ( fRemove1 ) Abc_NtkDelete( pNtk1 );
if ( fRemove2 ) Abc_NtkDelete( pNtk2 );
return pTemp;
}
/**Function*************************************************************
Synopsis [Transfers names from one netlist to the other.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkDress( Abc_Ntk_t * pNtkLogic, char * pFileName, int fVerbose )
{
Abc_Ntk_t * pNtkOrig, * pNtkLogicOrig;
Abc_Ntk_t * pMiter, * pMiterFraig;
stmm_table * tMapping;
assert( Abc_NtkIsLogic(pNtkLogic) );
// get the original netlist
pNtkOrig = Io_ReadNetlist( pFileName, Io_ReadFileType(pFileName), 1 );
if ( pNtkOrig == NULL )
return;
assert( Abc_NtkIsNetlist(pNtkOrig) );
Abc_NtkCleanCopy(pNtkLogic);
Abc_NtkCleanCopy(pNtkOrig);
// convert it into the logic network
pNtkLogicOrig = Abc_NtkToLogic( pNtkOrig );
// check that the networks have the same PIs/POs/latches
if ( !Abc_NtkCompareSignals( pNtkLogic, pNtkLogicOrig, 1, 1 ) )
{
Abc_NtkDelete( pNtkOrig );
Abc_NtkDelete( pNtkLogicOrig );
return;
}
// convert the current logic network into an AIG
pMiter = Abc_NtkStrash( pNtkLogic, 1, 0, 0 );
// convert it into the AIG and make the netlist point to the AIG
Abc_NtkAppend( pMiter, pNtkLogicOrig, 1 );
Abc_NtkTransferCopy( pNtkOrig );
Abc_NtkDelete( pNtkLogicOrig );
if ( fVerbose )
{
printf( "After mitering:\n" );
printf( "Logic: Nodes = %5d. Copy = %5d. \n", Abc_NtkNodeNum(pNtkLogic), Abc_NtkCountCopy(pNtkLogic) );
printf( "Orig: Nodes = %5d. Copy = %5d. \n", Abc_NtkNodeNum(pNtkOrig), Abc_NtkCountCopy(pNtkOrig) );
}
// fraig the miter (miter nodes point to the fraiged miter)
pMiterFraig = Abc_NtkIvyFraig( pMiter, 100, 1, 0, 1, 0 );
// make netlists point to the fraiged miter
Abc_NtkTransferCopy( pNtkLogic );
Abc_NtkTransferCopy( pNtkOrig );
Abc_NtkDelete( pMiter );
if ( fVerbose )
{
printf( "After fraiging:\n" );
printf( "Logic: Nodes = %5d. Copy = %5d. \n", Abc_NtkNodeNum(pNtkLogic), Abc_NtkCountCopy(pNtkLogic) );
printf( "Orig: Nodes = %5d. Copy = %5d. \n", Abc_NtkNodeNum(pNtkOrig), Abc_NtkCountCopy(pNtkOrig) );
}
// derive mapping from the fraiged nodes into their prototype nodes in the original netlist
tMapping = Abc_NtkDressDeriveMapping( pNtkOrig );
// transfer the names to the new netlist
Abc_NtkDressTransferNames( pNtkLogic, tMapping, fVerbose );
// clean up
stmm_free_table( tMapping );
Abc_NtkDelete( pMiterFraig );
Abc_NtkDelete( pNtkOrig );
}
