1 #include "integerencoding.h"
4 #include "satencoder.h"
6 #include "integerencodingrecord.h"
7 #include "integerencorderresolver.h"
10 IntegerEncodingTransform::IntegerEncodingTransform(CSolver *_solver)
15 IntegerEncodingTransform::~IntegerEncodingTransform() {
18 void IntegerEncodingTransform::doTransform() {
19 HashsetOrder *orders = solver->getActiveOrders()->copy();
20 SetIteratorOrder * orderit=orders->iterator();
21 while(orderit->hasNext()) {
22 Order *order = orderit->next();
23 if (GETVARTUNABLE(solver->getTuner(), order->type, ORDERINTEGERENCODING, &onoff) &&
24 order->encoding.resolver == NULL)
31 void IntegerEncodingTransform::integerEncode(Order *currOrder) {
32 IntegerEncodingRecord *encodingRecord = new IntegerEncodingRecord(
33 solver->createRangeSet(currOrder->set->getType(), 0, (uint64_t) currOrder->set->getSize() - 1));
34 currOrder->setOrderEncodingType( INTEGERENCODING );
35 uint size = currOrder->constraints.getSize();
36 for (uint i = 0; i < size; i++) {
37 orderIntegerEncodingSATEncoder(currOrder->constraints.get(i), encodingRecord);
39 currOrder->setOrderResolver(new IntegerEncOrderResolver(solver, encodingRecord));
40 solver->getActiveOrders()->remove(currOrder);
44 void IntegerEncodingTransform::orderIntegerEncodingSATEncoder(BooleanOrder *boolOrder, IntegerEncodingRecord *ierec) {
45 //getting two elements and using LT predicate ...
46 Element *elem1 = ierec->getOrderIntegerElement(solver, boolOrder->first);
47 Element *elem2 = ierec->getOrderIntegerElement(solver, boolOrder->second);
48 Set *sarray[] = {ierec->getSecondarySet(), ierec->getSecondarySet()};
49 Predicate *predicate = solver->createPredicateOperator(SATC_LT, sarray, 2);
50 Element *parray[] = {elem1, elem2};
51 BooleanEdge boolean = solver->applyPredicate(predicate, parray, 2);
52 solver->replaceBooleanWithBoolean(boolOrder, boolean);