/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cnf_ClearMemory()
{
if ( s_pManCnf == NULL )
return;
Cnf_ManStop( s_pManCnf );
s_pManCnf = NULL;
}
void Cnf_ManFree()
{
if ( s_pManCnf == NULL )
return;
Cnf_ManStop( s_pManCnf );
s_pManCnf = NULL;
}
/**Function*************************************************************
Synopsis [Converts AIG into the SAT solver.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t * Cnf_DeriveMappingArray( Aig_Man_t * pAig )
{
Vec_Int_t * vResult;
Cnf_Man_t * p;
Vec_Ptr_t * vMapped;
Aig_MmFixed_t * pMemCuts;
abctime clk;
// allocate the CNF manager
p = Cnf_ManStart();
p->pManAig = pAig;
// generate cuts for all nodes, assign cost, and find best cuts
clk = Abc_Clock();
pMemCuts = Dar_ManComputeCuts( pAig, 10, 0, 0 );
p->timeCuts = Abc_Clock() - clk;
// find the mapping
clk = Abc_Clock();
Cnf_DeriveMapping( p );
p->timeMap = Abc_Clock() - clk;
// Aig_ManScanMapping( p, 1 );
// convert it into CNF
clk = Abc_Clock();
Cnf_ManTransferCuts( p );
vMapped = Cnf_ManScanMapping( p, 1, 0 );
vResult = Cnf_ManWriteCnfMapping( p, vMapped );
Vec_PtrFree( vMapped );
Aig_MmFixedStop( pMemCuts, 0 );
p->timeSave = Abc_Clock() - clk;
// reset reference counters
Aig_ManResetRefs( pAig );
//ABC_PRT( "Cuts ", p->timeCuts );
//ABC_PRT( "Map ", p->timeMap );
//ABC_PRT( "Saving ", p->timeSave );
Cnf_ManStop( p );
return vResult;
}
