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gecode
int
distinct
eqite.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, 2015
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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 <algorithm>
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namespace
Gecode
{
namespace
Int {
namespace
Distinct {
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forceinline
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EqIte::EqIte
(
Home
home,
IntView
x0,
IntView
x1,
int
d0,
int
d1
)
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:
BinaryPropagator
<
IntView
,
PC_INT_DOM
>(home,x0,x1), c0(d0), c1(
d1
) {}
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forceinline
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EqIte::EqIte
(
Space
& home,
EqIte
&
p
)
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:
BinaryPropagator
<
IntView
,
PC_INT_DOM
>(home,
p
),
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c0(
p
.c0), c1(
p
.c1) {}
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inline
ExecStatus
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EqIte::post
(
Home
home,
IntView
x0,
IntView
x1,
int
c0,
int
c1) {
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assert(!(
x0
.
assigned
() && (
x0
.
val
() ==
c0
)) &&
x0
.
in
(
c0
));
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GECODE_ME_CHECK
(
x1
.
lq
(home,
std::max
(
x0
.
max
(),
c1
)));
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GECODE_ME_CHECK
(
x1
.
gq
(home,
std::min
(
x0
.
min
(),
c1
)));
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(void)
new
(home)
EqIte
(home,
x0
,
x1
,
c0
,
c1
);
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return
ES_OK
;
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}
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}}}
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// STATISTICS: int-prop
Gecode::VarImpView::assigned
bool assigned(void) const
Test whether view is assigned.
Definition:
view.hpp:516
Gecode::Int::Distinct::EqIte::c1
int c1
Definition:
distinct.hh:354
Gecode::Int::IntView::min
int min(void) const
Return minimum of domain.
Definition:
int.hpp:58
Gecode::Int::Distinct::EqIte::EqIte
EqIte(Space &home, EqIte &p)
Constructor for cloning p.
Definition:
eqite.hpp:43
Gecode::Float::Limits::min
const FloatNum min
Smallest allowed float value.
Definition:
float.hh:846
Gecode::Space
Computation spaces.
Definition:
core.hpp:1742
Gecode::Int::Distinct::EqIte::post
static ExecStatus post(Home home, IntView x0, IntView x1, int c0, int c1)
Post if-then-else propagator.
Definition:
eqite.hpp:49
Gecode
Gecode toplevel namespace
Gecode::Int::IntView::max
int max(void) const
Return maximum of domain.
Definition:
int.hpp:62
Gecode::Int::IntView::val
int val(void) const
Return assigned value (only if assigned)
Definition:
int.hpp:70
Gecode::Int::Distinct::EqIte
Equal-if-then-else domain-consistent propagator.
Definition:
distinct.hh:349
Gecode::Home
Home class for posting propagators
Definition:
core.hpp:856
Gecode::BinaryPropagator< IntView, PC_INT_DOM >::x1
IntView x1
Definition:
pattern.hpp:87
Gecode::Int::Distinct::EqIte::c0
int c0
The integer constant.
Definition:
distinct.hh:354
Test::Int::MiniModelArithmetic::d1
Gecode::IntSet d1(v1, 7)
Gecode::Int::IntView::in
bool in(int n) const
Test whether n is contained in domain.
Definition:
int.hpp:107
Gecode::Int::IntView
Integer view for integer variables.
Definition:
view.hpp:129
forceinline
#define forceinline
Definition:
config.hpp:185
GECODE_ME_CHECK
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition:
macros.hpp:52
Gecode::Int::IntView::lq
ModEvent lq(Space &home, int n)
Restrict domain values to be less or equal than n.
Definition:
int.hpp:121
Gecode::Int::IntView::gq
ModEvent gq(Space &home, int n)
Restrict domain values to be greater or equal than n.
Definition:
int.hpp:139
Gecode::BinaryPropagator
Binary propagator.
Definition:
pattern.hpp:84
Gecode::Int::PC_INT_DOM
const Gecode::PropCond PC_INT_DOM
Propagate when domain changes.
Definition:
var-type.hpp:100
Gecode::ES_OK
Execution is okay.
Definition:
core.hpp:476
Gecode::BinaryPropagator< IntView, PC_INT_DOM >::x0
IntView x0
Two views.
Definition:
pattern.hpp:87
p
int p
Number of positive literals for node type.
Definition:
bool-expr.cpp:232
Gecode::Float::Limits::max
const FloatNum max
Largest allowed float value.
Definition:
float.hh:844
Gecode::ExecStatus
ExecStatus
Definition:
core.hpp:472