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/**CFile****************************************************************
FileName [msatSolverIo.c]
PackageName [A C version of SAT solver MINISAT, originally developed
in C++ by Niklas Een and Niklas Sorensson, Chalmers University of
Technology, Sweden: http://www.cs.chalmers.se/~een/Satzoo.]
Synopsis [Input/output of CNFs.]
Author [Alan Mishchenko <alanmi@eecs.berkeley.edu>]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - January 1, 2004.]
Revision [$Id: msatSolverIo.c,v 1.0 2004/01/01 1:00:00 alanmi Exp $]
***********************************************************************/
#include "msatInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static char * Msat_TimeStamp();
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_SolverPrintAssignment( Msat_Solver_t * p )
{
int i;
printf( "Current assignments are: \n" );
for ( i = 0; i < p->nVars; i++ )
printf( "%d", i % 10 );
printf( "\n" );
for ( i = 0; i < p->nVars; i++ )
if ( p->pAssigns[i] == MSAT_VAR_UNASSIGNED )
printf( "." );
else
{
assert( i == MSAT_LIT2VAR(p->pAssigns[i]) );
if ( MSAT_LITSIGN(p->pAssigns[i]) )
printf( "0" );
else
printf( "1" );
}
printf( "\n" );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_SolverPrintClauses( Msat_Solver_t * p )
{
Msat_Clause_t ** pClauses;
int nClauses, i;
printf( "Original clauses: \n" );
nClauses = Msat_ClauseVecReadSize( p->vClauses );
pClauses = Msat_ClauseVecReadArray( p->vClauses );
for ( i = 0; i < nClauses; i++ )
{
printf( "%3d: ", i );
Msat_ClausePrint( pClauses[i] );
}
printf( "Learned clauses: \n" );
nClauses = Msat_ClauseVecReadSize( p->vLearned );
pClauses = Msat_ClauseVecReadArray( p->vLearned );
for ( i = 0; i < nClauses; i++ )
{
printf( "%3d: ", i );
Msat_ClausePrint( pClauses[i] );
}
printf( "Variable activity: \n" );
for ( i = 0; i < p->nVars; i++ )
printf( "%3d : %.4f\n", i, p->pdActivity[i] );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Msat_SolverWriteDimacs( Msat_Solver_t * p, char * pFileName )
{
FILE * pFile;
Msat_Clause_t ** pClauses;
int nClauses, i;
nClauses = Msat_ClauseVecReadSize(p->vClauses) + Msat_ClauseVecReadSize(p->vLearned);
for ( i = 0; i < p->nVars; i++ )
nClauses += ( p->pLevel[i] == 0 );
pFile = fopen( pFileName, "wb" );
fprintf( pFile, "c Produced by Msat_SolverWriteDimacs() on %s\n", Msat_TimeStamp() );
fprintf( pFile, "p cnf %d %d\n", p->nVars, nClauses );
nClauses = Msat_ClauseVecReadSize( p->vClauses );
pClauses = Msat_ClauseVecReadArray( p->vClauses );
for ( i = 0; i < nClauses; i++ )
Msat_ClauseWriteDimacs( pFile, pClauses[i], 1 );
nClauses = Msat_ClauseVecReadSize( p->vLearned );
pClauses = Msat_ClauseVecReadArray( p->vLearned );
for ( i = 0; i < nClauses; i++ )
Msat_ClauseWriteDimacs( pFile, pClauses[i], 1 );
// write zero-level assertions
for ( i = 0; i < p->nVars; i++ )
if ( p->pLevel[i] == 0 )
fprintf( pFile, "%s%d 0\n", ((p->pAssigns[i]&1)? "-": ""), i + 1 );
fprintf( pFile, "\n" );
fclose( pFile );
}
/**Function*************************************************************
Synopsis [Returns the time stamp.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Msat_TimeStamp()
{
static char Buffer[100];
time_t ltime;
char * TimeStamp;
// get the current time
time( <ime );
TimeStamp = asctime( localtime( <ime ) );
TimeStamp[ strlen(TimeStamp) - 1 ] = 0;
strcpy( Buffer, TimeStamp );
return Buffer;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
|
