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gecode
int
distinct
dom-ctrl.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2003
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*
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* Last modified:
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* $Date: 2017-03-08 11:58:56 +0100 (Wed, 08 Mar 2017) $ by $Author: schulte $
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* $Revision: 15562 $
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <climits>
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namespace
Gecode
{
namespace
Int {
namespace
Distinct {
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/*
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* The propagation controller
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*
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*/
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template
<
class
View>
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forceinline
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DomCtrl<View>::DomCtrl
(
void
) {}
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template
<
class
View>
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forceinline
bool
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DomCtrl<View>::available
(
void
) {
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return
g;
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}
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template
<
class
View>
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ExecStatus
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DomCtrl<View>::init
(
Space
& home,
ViewArray<View>
&
x
) {
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return
g.init(home,
x
);
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}
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template
<
class
View>
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ExecStatus
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DomCtrl<View>::sync
(
Space
& home) {
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g.purge();
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return
g.sync(home) ?
ES_OK
:
ES_FAILED
;
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}
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template
<
class
View>
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ExecStatus
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DomCtrl<View>::propagate
(
Space
& home,
bool
&
assigned
) {
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if
(!g.mark(home))
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return
ES_OK
;
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return
g.prune(home,
assigned
);
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}
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}}}
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// STATISTICS: int-prop
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Gecode::x
Post propagator for SetVar x
Definition:
set.hh:784
forceinline
#define forceinline
Definition:
config.hpp:173
Gecode::Int::Distinct::DomCtrl::init
ExecStatus init(Space &home, ViewArray< View > &x)
Initialize view-value graph for views x.
Definition:
dom-ctrl.hpp:59
Gecode::Int::Distinct::DomCtrl::sync
ExecStatus sync(Space &home)
Synchronize available view-value graph.
Definition:
dom-ctrl.hpp:65
Gecode::Int::Precede::assigned
bool assigned(View x, int v)
Whether x is assigned to value v.
Definition:
single.hpp:47
Gecode::Space
Computation spaces.
Definition:
core.hpp:1748
Gecode
Gecode toplevel namespace
Gecode::Int::Distinct::DomCtrl::DomCtrl
DomCtrl(void)
Initialize with non-initialized view-value graph.
Definition:
dom-ctrl.hpp:49
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:72
Gecode::ViewArray
View arrays.
Definition:
array.hpp:234
Gecode::ES_FAILED
@ ES_FAILED
Execution has resulted in failure.
Definition:
core.hpp:542
Gecode::ES_OK
@ ES_OK
Execution is okay.
Definition:
core.hpp:544
Gecode::Int::Distinct::DomCtrl::available
bool available(void)
Check whether a view-value graph is available.
Definition:
dom-ctrl.hpp:53
Gecode::ExecStatus
ExecStatus
Definition:
core.hpp:540