overload.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
* Guido Tack <tack@gecode.org>
*
* Copyright:
* Christian Schulte, 2009
* Guido Tack, 2010
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
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namespace Gecode { namespace Int { namespace Cumulative {
// Overload checking for mandatory tasks
template<class ManTask>
ExecStatus
overload(Space& home, int c, 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,c,f);
for (int i=0; i<f.size(); i++) {
if (f[i].mandatory())
o.insert(i);
if (o.env() > static_cast<long long int>(c)*f[i].lct())
GECODE_ME_CHECK(f[i].excluded(home));
}
return ES_OK;
}
}}}
// STATISTICS: int-prop
Gecode::Int::Cumulative::OmegaTree
Omega trees for computing ect of task sets.
Definition cumulative.hh:561
Gecode::Int::Cumulative::OmegaTree::env
long long int env(void) const
Return energy envelope of all tasks.
Definition tree.hpp:83
Gecode::Int::Cumulative::OmegaTree::insert
void insert(int i)
Insert task with index i.
Definition tree.hpp:67
Gecode::Int::TaskArray
Task array.
Definition task.hh:165
Gecode::Int::TaskViewArray
Task view array.
Definition task.hh:233
Gecode::Region
Handle to region.
Definition region.hpp:55
Gecode::Space
Computation spaces.
Definition core.hpp:1742
GECODE_ME_CHECK
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition macros.hpp:52
Gecode::Int::Cumulative
Scheduling for cumulative resources
Definition cumulative.cpp:40
Gecode::Int::Cumulative::overload
ExecStatus overload(Space &home, int c, TaskArray< ManTask > &t)
Check mandatory tasks t for overload.
Definition overload.hpp:41
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_LCT
@ STO_LCT
Sort by latest completion times.
Definition task.hh:286
Gecode
Gecode toplevel namespace
Gecode::ExecStatus
ExecStatus
Definition core.hpp:472
Gecode::ES_OK
@ ES_OK
Execution is okay.
Definition core.hpp:476