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gecode
int
count
int-base.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, 2006
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*
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* Last modified:
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* $Date: 2016-06-29 17:28:17 +0200 (Wed, 29 Jun 2016) $ by $Author: schulte $
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* $Revision: 15137 $
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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
Int {
namespace
Count {
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template
<
class
VX,
class
VY>
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forceinline
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IntBase<VX,VY>::IntBase
(
Home
home,
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ViewArray<VX>
& x0,
int
n_s0, VY y0,
int
c0)
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:
Propagator
(home),
x
(x0), n_s(n_s0),
y
(y0),
c
(c0) {
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if
(
isintset
(
y
))
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home.
notice
(*
this
,
AP_DISPOSE
);
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for
(
int
i
=
n_s
;
i
--; )
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x
[
i
].
subscribe
(home,*
this
,
PC_INT_DOM
);
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subscribe
(home,*
this
,
y
);
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}
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template
<
class
VX,
class
VY>
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forceinline
size_t
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IntBase<VX,VY>::dispose
(
Space
& home) {
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if
(
isintset
(
y
))
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home.
ignore
(*
this
,
AP_DISPOSE
);
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for
(
int
i
=n_s;
i
--; )
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x
[
i
].
cancel
(home,*
this
,
PC_INT_DOM
);
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cancel
(home,*
this
,
y
);
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(void)
Propagator::dispose
(home);
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return
sizeof
(*this);
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}
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template
<
class
VX,
class
VY>
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forceinline
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IntBase<VX,VY>::IntBase
(
Space
& home,
bool
share,
IntBase<VX,VY>
&
p
)
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:
Propagator
(home,share,
p
), n_s(
p
.n_s),
c
(
p
.
c
) {
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x
.
update
(home,share,
p
.x);
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y
.update(home,share,
p
.y);
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}
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template
<
class
VX,
class
VY>
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PropCost
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IntBase<VX,VY>::cost
(
const
Space
&,
const
ModEventDelta
&)
const
{
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return
PropCost::linear
(
PropCost::LO
,
x
.size());
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}
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template
<
class
VX,
class
VY>
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void
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IntBase<VX,VY>::reschedule
(
Space
& home) {
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for
(
int
i
=n_s;
i
--; )
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x
[
i
].
reschedule
(home,*
this
,
PC_INT_DOM
);
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Gecode::Int::Count::reschedule
(home,*
this
,
y
);
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}
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}}}
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// STATISTICS: int-prop
Gecode::Home::notice
void notice(Actor &a, ActorProperty p, bool duplicate=false)
Notice actor property.
Definition:
core.hpp:3321
Gecode::x
Post propagator for SetVar x
Definition:
set.hh:784
Gecode::y
Post propagator for SetVar SetOpType SetVar y
Definition:
set.hh:784
forceinline
#define forceinline
Definition:
config.hpp:173
Gecode::Int::Count::IntBase::dispose
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Definition:
int-base.hpp:54
Gecode::ViewArray::update
void update(Space &, bool share, ViewArray< View > &a)
Update array to be a clone of array a.
Definition:
array.hpp:1387
Gecode::Int::Count::IntBase::IntBase
IntBase(Space &home, bool share, IntBase &p)
Constructor for cloning p.
Definition:
int-base.hpp:66
Test::Int::Basic::i
Gecode::IntArgs i(4, 1, 2, 3, 4)
Gecode::PropCost::LO
@ LO
Cheap.
Definition:
core.hpp:581
Gecode::Int::Count::IntBase::y
VY y
View to compare to.
Definition:
count.hh:146
Gecode::Space
Computation spaces.
Definition:
core.hpp:1748
Gecode::PropCost::linear
static PropCost linear(PropCost::Mod m, unsigned int n)
Linear complexity for modifier pcm and size measure n.
Definition:
core.hpp:4841
Gecode
Gecode toplevel namespace
Gecode::Propagator
Base-class for propagators.
Definition:
core.hpp:1092
Gecode::Int::Count::isintset
bool isintset(VY y)
Return whether y is an integer set.
Definition:
rel.hpp:49
Gecode::Int::Count::IntBase
Baseclass for count propagators (integer)
Definition:
count.hh:139
Gecode::Int::Count::reschedule
void reschedule(Space &home, Propagator &p, IntSet &y)
Definition:
rel.hpp:96
Gecode::Home
Home class for posting propagators
Definition:
core.hpp:922
Gecode::AP_DISPOSE
@ AP_DISPOSE
Actor must always be disposed.
Definition:
core.hpp:630
Gecode::Int::Count::IntBase::x
ViewArray< VX > x
Views still to count.
Definition:
count.hh:142
Gecode::PropCost
Propagation cost.
Definition:
core.hpp:554
Gecode::Int::Count::cancel
void cancel(Space &home, Propagator &p, IntSet &y)
Definition:
rel.hpp:85
Gecode::Int::Count::IntBase::reschedule
virtual void reschedule(Space &home)
Schedule function.
Definition:
int-base.hpp:80
Gecode::Int::Count::IntBase::cost
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function (defined as low linear)
Definition:
int-base.hpp:74
Gecode::Space::ignore
void ignore(Actor &a, ActorProperty p, bool duplicate=false)
Ignore actor property.
Definition:
core.hpp:4141
Gecode::Actor::dispose
virtual size_t dispose(Space &home)
Delete actor and return its size.
Definition:
core.hpp:3354
Test::Float::Arithmetic::c
Gecode::FloatVal c(-8, 8)
Gecode::ViewArray< VX >
Gecode::Int::Count::subscribe
void subscribe(Space &home, Propagator &p, IntSet &y)
Definition:
rel.hpp:75
Gecode::Int::PC_INT_DOM
const Gecode::PropCond PC_INT_DOM
Propagate when domain changes.
Definition:
var-type.hpp:100
Gecode::ModEventDelta
int ModEventDelta
Modification event deltas.
Definition:
core.hpp:169
Gecode::Int::Count::IntBase::n_s
int n_s
Views from x[0] ... x[n_s-1] have subscriptions.
Definition:
count.hh:144
p
int p
Number of positive literals for node type.
Definition:
bool-expr.cpp:236