dom-ctrl.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, 2003
*
* 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
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <climits>
namespace Gecode { namespace Int { namespace Distinct {
/*
* The propagation controller
*
*/
template<class View>
forceinline
DomCtrl<View>::DomCtrl(void) {}
template<class View>
forceinline bool
DomCtrl<View>::available(void) {
return g;
}
template<class View>
ExecStatus
DomCtrl<View>::init(Space& home, ViewArray<View>& x) {
return g.init(home,x);
}
template<class View>
ExecStatus
DomCtrl<View>::sync(void) {
g.purge();
return g.sync() ? ES_OK : ES_FAILED;
}
template<class View>
ExecStatus
DomCtrl<View>::propagate(Space& home, bool& assigned) {
if (!g.mark())
return ES_OK;
return g.prune(home,assigned);
}
}}}
// STATISTICS: int-prop
Gecode::Int::Distinct::DomCtrl::init
ExecStatus init(Space &home, ViewArray< View > &x)
Initialize view-value graph for views x.
Definition dom-ctrl.hpp:55
Gecode::Int::Distinct::DomCtrl::propagate
ExecStatus propagate(Space &home, bool &assigned)
Perform propagation, assigned is true if a view gets assigned.
Definition dom-ctrl.hpp:68
Gecode::Int::Distinct::DomCtrl::available
bool available(void)
Check whether a view-value graph is available.
Definition dom-ctrl.hpp:49
Gecode::Int::Distinct::DomCtrl::sync
ExecStatus sync(void)
Synchronize available view-value graph.
Definition dom-ctrl.hpp:61
Gecode::Int::Distinct::DomCtrl::g
Graph< View > g
Propagation is performed on a view-value graph.
Definition distinct.hh:253
Gecode::Int::Distinct::DomCtrl::DomCtrl
DomCtrl(void)
Initialize with non-initialized view-value graph.
Definition dom-ctrl.hpp:45
Gecode::Space
Computation spaces.
Definition core.hpp:1742
Gecode::ViewArray
View arrays.
Definition array.hpp:253
Gecode::Int::Distinct
Distinct propagators
Gecode::Int
Finite domain integers.
Gecode
Gecode toplevel namespace
Gecode::ExecStatus
ExecStatus
Definition core.hpp:472
Gecode::ES_OK
@ ES_OK
Execution is okay.
Definition core.hpp:476
Gecode::ES_FAILED
@ ES_FAILED
Execution has resulted in failure.
Definition core.hpp:474
forceinline
#define forceinline
Definition config.hpp:187