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gecode
int
precede.hh
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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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* Christopher Mears <Chris.Mears@monash.edu>
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*
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* Contributing authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christopher Mears, 2011
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* Christian Schulte, 2011
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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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#ifndef __GECODE_INT_PRECEDE_HH__
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#define __GECODE_INT_PRECEDE_HH__
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#include <
gecode/int.hh
>
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namespace
Gecode
{
namespace
Int {
namespace
Precede {
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60
template
<
class
View>
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class
Single
:
public
NaryPropagator
<View,PC_INT_NONE> {
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protected
:
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using
NaryPropagator<View,PC_INT_NONE>::x
;
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class
Index
:
public
Advisor
{
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public
:
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int
i
;
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Index
(
Space
& home,
Propagator
&
p
,
Council<Index>
&
c
,
int
i
);
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Index
(
Space
& home,
Index
&
a
);
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};
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Council<Index>
c
;
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int
s
,
t
;
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int
alpha
,
beta
,
gamma
;
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ExecStatus
updateAlpha
(
Space
& home);
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ExecStatus
updateBeta
(
Space
& home);
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Single
(
Home
home,
ViewArray<View>
&
x
,
int
s
,
int
t
,
int
beta
,
int
gamma
);
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Single
(
Space
& home,
Single<View>
&
p
);
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public
:
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virtual
Propagator
*
copy
(
Space
& home);
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virtual
PropCost
cost
(
const
Space
&,
const
ModEventDelta
&)
const
;
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virtual
void
reschedule
(
Space
& home);
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virtual
size_t
dispose
(
Space
& home);
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virtual
ExecStatus
advise
(
Space
& home,
Advisor
&
a
,
const
Delta
&
d
);
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virtual
ExecStatus
propagate
(
Space
& home,
const
ModEventDelta
&
med
);
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static
ExecStatus
post
(
Home
home,
ViewArray<View>
&
x
,
int
s
,
int
t
);
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};
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}}}
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#include <
gecode/int/precede/single.hpp
>
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#endif
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// STATISTICS: int-prop
Gecode::Int::Precede::Single::advise
virtual ExecStatus advise(Space &home, Advisor &a, const Delta &d)
Give advice to propagator.
Definition:
single.hpp:183
Gecode::Int::Precede::Single::alpha
int alpha
Pointers updated during propagation.
Definition:
precede.hh:79
Gecode::Int::Precede::Single
Single value precedence propagator.
Definition:
precede.hh:61
Gecode::Int::Precede::Single::post
static ExecStatus post(Home home, ViewArray< View > &x, int s, int t)
Post propagator that s precedes t in x.
Definition:
single.hpp:96
single.hpp
Gecode::Int::Precede::Single::Index
Advisors for views (by position in array)
Definition:
precede.hh:65
int.hh
Gecode::Space
Computation spaces.
Definition:
core.hpp:1742
Gecode::Int::Precede::Single::copy
virtual Propagator * copy(Space &home)
Copy propagator during cloning.
Definition:
single.hpp:136
Gecode::NaryPropagator< View, PC_INT_NONE >::x
ViewArray< View > x
Array of views.
Definition:
pattern.hpp:145
Gecode::Int::Precede::Single::updateBeta
ExecStatus updateBeta(Space &home)
Update the beta pointer.
Definition:
single.hpp:72
Gecode::Int::Precede::Single::updateAlpha
ExecStatus updateAlpha(Space &home)
Update the alpha pointer.
Definition:
single.hpp:61
Gecode
Gecode toplevel namespace
Gecode::Propagator
Base-class for propagators.
Definition:
core.hpp:1064
Gecode::Delta
Generic domain change information to be supplied to advisors.
Definition:
core.hpp:204
Gecode::Home
Home class for posting propagators
Definition:
core.hpp:856
Gecode::NaryPropagator
n-ary propagator
Definition:
pattern.hpp:142
Gecode::Propagator::med
ModEventDelta med
A set of modification events (used during propagation)
Definition:
core.hpp:1075
Gecode::Int::Precede::Single::Single
Single(Home home, ViewArray< View > &x, int s, int t, int beta, int gamma)
Constructor for posting.
Definition:
single.hpp:84
Gecode::Int::Precede::Single::propagate
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition:
single.hpp:211
Gecode::Int::Precede::Single::beta
int beta
Definition:
precede.hh:79
Gecode::Int::Precede::Single::s
int s
The value s must precede t.
Definition:
precede.hh:77
Gecode::Int::Precede::Single::t
int t
Definition:
precede.hh:77
a
struct Gecode::@602::NNF::@65::@67 a
For atomic nodes.
Gecode::Int::Precede::Single::dispose
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Definition:
single.hpp:160
Gecode::Int::Precede::Single::c
Council< Index > c
The advisor council.
Definition:
precede.hh:75
Gecode::Int::Precede::Single::Index::i
int i
The position of the view in the view array.
Definition:
precede.hh:68
Gecode::Int::Precede::Single::Index::Index
Index(Space &home, Propagator &p, Council< Index > &c, int i)
Create index advisor.
Definition:
single.hpp:49
Gecode::PropCost
Propagation cost.
Definition:
core.hpp:486
Gecode::Council
Council of advisors
Definition:
core.hpp:155
Test::Int::Distinct::d
Gecode::IntSet d(v, 7)
Gecode::Advisor
Base-class for advisors.
Definition:
core.hpp:1292
Gecode::Int::Precede::Single::reschedule
virtual void reschedule(Space &home)
Schedule function.
Definition:
single.hpp:177
Gecode::ViewArray
View arrays.
Definition:
array.hpp:253
Gecode::ModEventDelta
int ModEventDelta
Modification event deltas.
Definition:
core.hpp:89
Gecode::Int::Precede::Single::cost
virtual PropCost cost(const Space &, const ModEventDelta &) const
Cost function.
Definition:
single.hpp:171
p
int p
Number of positive literals for node type.
Definition:
bool-expr.cpp:232
Gecode::Int::Precede::Single::gamma
int gamma
Definition:
precede.hh:79
Gecode::ExecStatus
ExecStatus
Definition:
core.hpp:472