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1.8.16
gecode
set
distinct
atmostOne.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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* Guido Tack <tack@gecode.org>
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*
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* Copyright:
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* Guido Tack, 2004
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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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namespace
Gecode
{
namespace
Set {
namespace
Distinct {
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/*
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* "AtMostOneIntersection" propagator
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*
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*/
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forceinline
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AtmostOne::AtmostOne
(
Home
home,
ViewArray<SetView>
&
x
,
unsigned
int
_c
)
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:
NaryPropagator
<
SetView
,
PC_SET_ANY
>(home,
x
),
c
(
_c
) {}
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forceinline
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AtmostOne::AtmostOne
(
Space
& home,
AtmostOne
&
p
)
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:
NaryPropagator
<
SetView
,
PC_SET_ANY
>(home,
p
),
c
(
p
.
c
) {}
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forceinline
ExecStatus
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AtmostOne::post
(
Home
home,
ViewArray<SetView>
x
,
unsigned
int
c
) {
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for
(
int
i
=
x
.
size
();
i
--;) {
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GECODE_ME_CHECK
(
x
[
i
].cardMin(home,
c
));
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GECODE_ME_CHECK
(
x
[
i
].cardMax(home,
c
));
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}
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(void)
new
(home)
AtmostOne
(home,
x
,
c
);
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return
ES_OK
;
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}
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}}}
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// STATISTICS: set-prop
Gecode::x
Post propagator for SetVar x
Definition:
set.hh:767
Gecode::Space
Computation spaces.
Definition:
core.hpp:1742
Test::Int::Precede::_c
Multi _c(Gecode::IntArgs({1, 2, 3}))
Gecode::NaryPropagator< SetView, PC_SET_ANY >::x
ViewArray< SetView > x
Array of views.
Definition:
pattern.hpp:145
Gecode
Gecode toplevel namespace
Gecode::Home
Home class for posting propagators
Definition:
core.hpp:856
Gecode::Set::Distinct::AtmostOne::AtmostOne
AtmostOne(Space &home, AtmostOne &p)
Constructor for cloning p.
Definition:
atmostOne.hpp:46
Gecode::NaryPropagator
n-ary propagator
Definition:
pattern.hpp:142
Gecode::Set::Distinct::AtmostOne::post
static ExecStatus post(Home home, ViewArray< SetView > x, unsigned int c)
Post propagator for and .
Definition:
atmostOne.hpp:50
Gecode::Set::SetView
Set view for set variables
Definition:
view.hpp:56
Gecode::Set::Distinct::AtmostOne::c
unsigned int c
Cardinality of the sets.
Definition:
distinct.hh:55
Gecode::ViewArray::size
int size(void) const
Return size of array (number of elements)
Definition:
array.hpp:1156
Gecode::Set::Distinct::AtmostOne
Propagator for the AtMostOneIntersection constraint
Definition:
distinct.hh:52
forceinline
#define forceinline
Definition:
config.hpp:185
Gecode::Set::PC_SET_ANY
const Gecode::PropCond PC_SET_ANY
Propagate when any bound or the cardinality of a view changes.
Definition:
var-type.hpp:248
GECODE_ME_CHECK
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition:
macros.hpp:52
Test::Float::Arithmetic::c
Gecode::FloatVal c(-8, 8)
Gecode::ViewArray< SetView >
Test::Int::Basic::i
Gecode::IntArgs i({1, 2, 3, 4})
Gecode::ES_OK
Execution is okay.
Definition:
core.hpp:476
p
int p
Number of positive literals for node type.
Definition:
bool-expr.cpp:232
Gecode::ExecStatus
ExecStatus
Definition:
core.hpp:472