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2.9 kB · 89 lines
C++
at develop
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namespace Gecode { namespace Int { namespace Unary {
// Overload checking for mandatory tasks template<class ManTask> ExecStatus overload(TaskArray<ManTask>& t) { TaskViewArray<typename TaskTraits<ManTask>::TaskViewFwd> f(t); sort<typename TaskTraits<ManTask>::TaskViewFwd,STO_LCT,true>(f);
Region r; OmegaTree<typename TaskTraits<ManTask>::TaskViewFwd> o(r,f);
for (int i=0; i<f.size(); i++) { o.insert(i); if (o.ect() > f[i].lct()) return ES_FAILED; } return ES_OK; }
// Overload checking for optional tasks template<class OptTask, class PL> ExecStatus overload(Space& home, Propagator& p, TaskArray<OptTask>& t) { TaskViewArray<typename TaskTraits<OptTask>::TaskViewFwd> f(t); sort<typename TaskTraits<OptTask>::TaskViewFwd,STO_LCT,true>(f);
Region r; OmegaLambdaTree<typename TaskTraits<OptTask>::TaskViewFwd> ol(r,f,false);
bool to_purge = false;
for (int i=0; i<f.size(); i++) { if (f[i].optional()) { ol.linsert(i); } else if (f[i].mandatory()) { ol.oinsert(i); if (ol.ect() > f[i].lct()) return ES_FAILED; } while (!ol.lempty() && (ol.lect() > f[i].lct())) { int j = ol.responsible(); GECODE_ME_CHECK(f[j].excluded(home)); ol.lremove(j); to_purge = true; } }
if (to_purge) GECODE_ES_CHECK((purge<OptTask,PL>(home,p,t))); return ES_OK; }
}}}
// STATISTICS: int-prop