static inline Abc_Edge_t Abc_EdgeFromNode( Abc_Obj_t * pNode ) { return Abc_EdgeCreate( Abc_ObjRegular(pNode)->Id, Abc_ObjIsComplement(pNode) ); }
/**Function*************************************************************
Synopsis [Adds trivial clause.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkClauseTop( sat_solver * pSat, Vec_Ptr_t * vNodes, Vec_Int_t * vVars )
{
Abc_Obj_t * pNode;
int i;
//printf( "Adding triv %d. %d\n", Abc_ObjRegular(pNode)->Id, (int)pSat->sat_solver_stats.clauses );
vVars->nSize = 0;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i )
Vec_IntPush( vVars, toLitCond( (int)(ABC_PTRINT_T)Abc_ObjRegular(pNode)->pCopy, Abc_ObjIsComplement(pNode) ) );
// Vec_IntPush( vVars, toLitCond( (int)Abc_ObjRegular(pNode)->Id, Abc_ObjIsComplement(pNode) ) );
return sat_solver_addclause( pSat, vVars->pArray, vVars->pArray + vVars->nSize );
}
/**Function*************************************************************
Synopsis [Adds trivial clause.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkClauseMux( sat_solver * pSat, Abc_Obj_t * pNode, Abc_Obj_t * pNodeC, Abc_Obj_t * pNodeT, Abc_Obj_t * pNodeE, Vec_Int_t * vVars )
{
int VarF, VarI, VarT, VarE, fCompT, fCompE;
//printf( "Adding mux %d. %d\n", pNode->Id, (int)pSat->sat_solver_stats.clauses );
assert( !Abc_ObjIsComplement( pNode ) );
assert( Abc_NodeIsMuxType( pNode ) );
// get the variable numbers
VarF = (int)(ABC_PTRINT_T)pNode->pCopy;
VarI = (int)(ABC_PTRINT_T)pNodeC->pCopy;
VarT = (int)(ABC_PTRINT_T)Abc_ObjRegular(pNodeT)->pCopy;
VarE = (int)(ABC_PTRINT_T)Abc_ObjRegular(pNodeE)->pCopy;
// VarF = (int)pNode->Id;
// VarI = (int)pNodeC->Id;
// VarT = (int)Abc_ObjRegular(pNodeT)->Id;
// VarE = (int)Abc_ObjRegular(pNodeE)->Id;
// get the complementation flags
fCompT = Abc_ObjIsComplement(pNodeT);
fCompE = Abc_ObjIsComplement(pNodeE);
// f = ITE(i, t, e)
// i' + t' + f
// i' + t + f'
// i + e' + f
// i + e + f'
// create four clauses
vVars->nSize = 0;
Vec_IntPush( vVars, toLitCond(VarI, 1) );
Vec_IntPush( vVars, toLitCond(VarT, 1^fCompT) );
Vec_IntPush( vVars, toLitCond(VarF, 0) );
if ( !sat_solver_addclause( pSat, vVars->pArray, vVars->pArray + vVars->nSize ) )
return 0;
vVars->nSize = 0;
Vec_IntPush( vVars, toLitCond(VarI, 1) );
Vec_IntPush( vVars, toLitCond(VarT, 0^fCompT) );
Vec_IntPush( vVars, toLitCond(VarF, 1) );
if ( !sat_solver_addclause( pSat, vVars->pArray, vVars->pArray + vVars->nSize ) )
return 0;
vVars->nSize = 0;
Vec_IntPush( vVars, toLitCond(VarI, 0) );
Vec_IntPush( vVars, toLitCond(VarE, 1^fCompE) );
Vec_IntPush( vVars, toLitCond(VarF, 0) );
if ( !sat_solver_addclause( pSat, vVars->pArray, vVars->pArray + vVars->nSize ) )
return 0;
vVars->nSize = 0;
Vec_IntPush( vVars, toLitCond(VarI, 0) );
Vec_IntPush( vVars, toLitCond(VarE, 0^fCompE) );
Vec_IntPush( vVars, toLitCond(VarF, 1) );
if ( !sat_solver_addclause( pSat, vVars->pArray, vVars->pArray + vVars->nSize ) )
return 0;
if ( VarT == VarE )
{
// assert( fCompT == !fCompE );
return 1;
}
// two additional clauses
// t' & e' -> f' t + e + f'
// t & e -> f t' + e' + f
vVars->nSize = 0;
Vec_IntPush( vVars, toLitCond(VarT, 0^fCompT) );
Vec_IntPush( vVars, toLitCond(VarE, 0^fCompE) );
Vec_IntPush( vVars, toLitCond(VarF, 1) );
if ( !sat_solver_addclause( pSat, vVars->pArray, vVars->pArray + vVars->nSize ) )
return 0;
vVars->nSize = 0;
Vec_IntPush( vVars, toLitCond(VarT, 1^fCompT) );
Vec_IntPush( vVars, toLitCond(VarE, 1^fCompE) );
Vec_IntPush( vVars, toLitCond(VarF, 0) );
return sat_solver_addclause( pSat, vVars->pArray, vVars->pArray + vVars->nSize );
}
static inline void Abc_ObjSetIvy2Abc( Ivy_Man_t * p, int IvyId, Abc_Obj_t * pObjAbc ) { assert(Vec_PtrEntry((Vec_Ptr_t *)p->pCopy, IvyId) == NULL); assert(!Abc_ObjIsComplement(pObjAbc)); Vec_PtrWriteEntry( (Vec_Ptr_t *)p->pCopy, IvyId, pObjAbc ); }