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/**CFile****************************************************************
FileName [ioWriteCnf.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Command processing package.]
Synopsis [Procedures to output CNF of the miter cone.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: ioWriteCnf.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "io.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Write the miter cone into a CNF file for the SAT solver.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Io_WriteCnf( Abc_Ntk_t * pNtk, char * pFileName )
{
solver * pSat;
if ( !Abc_NtkIsStrash(pNtk) )
{
fprintf( stdout, "Io_WriteCnf(): Currently can only process AIGs.\n" );
return 0;
}
if ( Abc_NtkPoNum(pNtk) != 1 )
{
fprintf( stdout, "Io_WriteCnf(): Currently can only process the miter (the network with one PO).\n" );
return 0;
}
if ( Abc_NtkLatchNum(pNtk) != 0 )
{
fprintf( stdout, "Io_WriteCnf(): Currently can only process the miter for combinational circuits.\n" );
return 0;
}
// create solver with clauses
pSat = Abc_NtkMiterSatCreate( pNtk );
// write the clauses
Asat_SolverWriteDimacs( pSat, pFileName, 0, 0, 1 );
// free the solver
solver_delete( pSat );
return 1;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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