| 42 | namespace Gecode { namespace Search { |
| 43 | |
| 44 | Engine* |
| 45 | babengine(Space* s, const Options& o) { |
| 46 | Options to = o.expand(); |
| 47 | #ifdef GECODE_HAS_THREADS |
| 48 | if (to.threads == 1.0) { |
| 49 | if (to.tracer) |
| 50 | return new WorkerToEngine<Seq::BAB<TraceRecorder>>(s,to); |
| 51 | else |
| 52 | return new WorkerToEngine<Seq::BAB<NoTraceRecorder>>(s,to); |
| 53 | } else { |
| 54 | if (to.tracer) |
| 55 | return new Par::BAB<EdgeTraceRecorder>(s,to); |
| 56 | else |
| 57 | return new Par::BAB<NoTraceRecorder>(s,to); |
| 58 | } |
| 59 | #else |
| 60 | if (to.tracer) |
| 61 | return new WorkerToEngine<Seq::BAB<TraceRecorder>>(s,to); |
| 62 | else |
| 63 | return new WorkerToEngine<Seq::BAB<NoTraceRecorder>>(s,to); |
| 64 | #endif |
| 65 | } |
| 66 | |
| 67 | }} |
| 68 | |