1 files changed, 0 insertions, 145 deletions
diff --git a/src/aig/mfx/mfxSat.c b/src/aig/mfx/mfxSat.c
deleted file mode 100644
index 974563ab..00000000
--- a/src/aig/mfx/mfxSat.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/**CFile****************************************************************
-
-  FileName    [mfxSat.c]
-
-  SystemName  [ABC: Logic synthesis and verification system.]
-
-  PackageName [The good old minimization with complete don't-cares.]
-
-  Synopsis    [Procedures to compute don't-cares using SAT.]
-
-  Author      [Alan Mishchenko]
-  
-  Affiliation [UC Berkeley]
-
-  Date        [Ver. 1.0. Started - June 20, 2005.]
-
-  Revision    [$Id: mfxSat.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
-
-***********************************************************************/
-
-#include "mfxInt.h"
-
-ABC_NAMESPACE_IMPL_START
-
-
-////////////////////////////////////////////////////////////////////////
-///                        DECLARATIONS                              ///
-////////////////////////////////////////////////////////////////////////
-
-////////////////////////////////////////////////////////////////////////
-///                     FUNCTION DEFINITIONS                         ///
-////////////////////////////////////////////////////////////////////////
-
-/**Function*************************************************************
-
-  Synopsis    [Enumerates through the SAT assignments.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-int Mfx_SolveSat_iter( Mfx_Man_t * p )
-{
-    int Lits[MFX_FANIN_MAX];
-    int RetValue, nBTLimit, iVar, b, Mint;
-    if ( p->nTotConfLim && p->nTotConfLim <= p->pSat->stats.conflicts )
-        return -1;
-    nBTLimit = p->nTotConfLim? p->nTotConfLim - p->pSat->stats.conflicts : 0;
-    RetValue = sat_solver_solve( p->pSat, NULL, NULL, (ABC_INT64_T)nBTLimit, (ABC_INT64_T)0, (ABC_INT64_T)0, (ABC_INT64_T)0 );
-    assert( RetValue == l_Undef || RetValue == l_True || RetValue == l_False );
-    if ( RetValue == l_Undef )
-        return -1;
-    if ( RetValue == l_False )
-        return 0;
-    p->nCares++;
-    // add SAT assignment to the solver
-    Mint = 0;
-    Vec_IntForEachEntry( p->vProjVarsSat, iVar, b )
-    {
-        Lits[b] = toLit( iVar );
-        if ( sat_solver_var_value( p->pSat, iVar ) )
-        {
-            Mint |= (1 << b);
-            Lits[b] = lit_neg( Lits[b] );
-        }
-    }
-    assert( !Aig_InfoHasBit(p->uCare, Mint) );
-    Aig_InfoSetBit( p->uCare, Mint );
-    // add the blocking clause
-    RetValue = sat_solver_addclause( p->pSat, Lits, Lits + Vec_IntSize(p->vProjVarsSat) );
-    if ( RetValue == 0 )
-        return 0;
-    return 1;
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Enumerates through the SAT assignments.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
- 
-***********************************************************************/
-int Mfx_SolveSat( Mfx_Man_t * p, Nwk_Obj_t * pNode )
-{
-    Aig_Obj_t * pObjPo;
-    int RetValue, i;
-    // collect projection variables
-    Vec_IntClear( p->vProjVarsSat );
-    Vec_PtrForEachEntryStart( Aig_Obj_t *, p->pAigWin->vPos, pObjPo, i, Aig_ManPoNum(p->pAigWin) - Nwk_ObjFaninNum(pNode) )
-    {
-        assert( p->pCnf->pVarNums[pObjPo->Id] >= 0 );
-        Vec_IntPush( p->vProjVarsSat, p->pCnf->pVarNums[pObjPo->Id] );
-    }
-
-    // prepare the truth table of care set
-    p->nFanins = Vec_IntSize( p->vProjVarsSat );
-    p->nWords = Aig_TruthWordNum( p->nFanins );
-    memset( p->uCare, 0, sizeof(unsigned) * p->nWords );
-
-    // iterate through the SAT assignments
-    p->nCares = 0;
-    p->nTotConfLim = p->pPars->nBTLimit;
-    while ( (RetValue = Mfx_SolveSat_iter(p)) == 1 );
-    if ( RetValue == -1 )
-        return 0;
-
-    // write statistics
-    p->nMintsCare  += p->nCares;
-    p->nMintsTotal += (1<<p->nFanins);
-
-    if ( p->pPars->fVeryVerbose )
-    {
-        printf( "Node %4d : Care = %2d. Total = %2d.  ", pNode->Id, p->nCares, (1<<p->nFanins) );
-//        Kit_TruthPrintBinary( stdout, p->uCare, (1<<p->nFanins) );
-        printf( "\n" );
-    }
-
-    // map the care 
-    if ( p->nFanins > 4 )
-        return 1;
-    if ( p->nFanins == 4 )
-        p->uCare[0] = p->uCare[0] | (p->uCare[0] << 16);
-    if ( p->nFanins == 3 )
-        p->uCare[0] = p->uCare[0] | (p->uCare[0] << 8) | (p->uCare[0] << 16) | (p->uCare[0] << 24);
-    if ( p->nFanins == 2 )
-        p->uCare[0] = p->uCare[0] | (p->uCare[0] <<  4) | (p->uCare[0] <<  8) | (p->uCare[0] << 12) |
-              (p->uCare[0] << 16) | (p->uCare[0] << 20) | (p->uCare[0] << 24) | (p->uCare[0] << 28);
-    assert( p->nFanins != 1 );
-    return 1;
-}
-
-////////////////////////////////////////////////////////////////////////
-///                       END OF FILE                                ///
-////////////////////////////////////////////////////////////////////////
-
-
-ABC_NAMESPACE_IMPL_END
-