subsumption.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2009
*
* This file is part of Gecode, the generic constraint
* development environment:
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namespace Gecode { namespace Int { namespace Unary {
template<class Task>
ExecStatus
subsumed(Space& home, Propagator& p, TaskArray<Task>& t) {
TaskViewArray<typename TaskTraits<Task>::TaskViewFwd> f(t);
sort<typename TaskTraits<Task>::TaskViewFwd,STO_EST,true>(f);
for (int i=1; i<f.size(); i++)
if (f[i-1].lct() > f[i].est())
return ES_OK;
return home.ES_SUBSUMED(p);
}
}}}
// STATISTICS: int-prop
Gecode::Int::TaskArray
Task array.
Definition task.hh:165
Gecode::Int::TaskViewArray
Task view array.
Definition task.hh:233
Gecode::Propagator
Base-class for propagators.
Definition core.hpp:1064
Gecode::Space
Computation spaces.
Definition core.hpp:1742
Gecode::Space::ES_SUBSUMED
ExecStatus ES_SUBSUMED(Propagator &p)
Definition core.hpp:3563
Gecode::Int::Unary
Int for unary resources
Gecode::Int::Unary::subsumed
ExecStatus subsumed(Space &home, Propagator &p, TaskArray< Task > &t)
Check tasks t for subsumption.
Definition subsumption.hpp:38
Gecode::Int
Finite domain integers.
Gecode::Int::sort
void sort(TaskViewArray< TaskView > &t)
Sort task view array t according to sto and inc (increasing or decreasing).
Definition sort.hpp:133
Gecode::Int::STO_EST
@ STO_EST
Sort by earliest start times.
Definition task.hh:283
Gecode
Gecode toplevel namespace
Gecode::ExecStatus
ExecStatus
Definition core.hpp:472
Gecode::ES_OK
@ ES_OK
Execution is okay.
Definition core.hpp:476