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gecode
set
relax.cpp
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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, 2016
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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 <
gecode/set.hh
>
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#include <
gecode/search/relax.hh
>
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namespace
Gecode
{
namespace
Set {
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class
Relax
{
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public
:
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ExecStatus
operator ()
(
Home
home,
SetVar
x
,
SetVar
sx);
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};
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forceinline
ExecStatus
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Relax::operator ()
(
Home
home,
SetVar
x
,
SetVar
sx) {
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SetView
xv(
x
);
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SetView
sxv(sx);
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SetVarGlbRanges
l
(sxv);
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GECODE_ME_CHECK
(xv.
includeI
(home,
l
));
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SetVarLubRanges
u
(sxv);
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GECODE_ME_CHECK
(xv.
intersectI
(home,
u
));
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return
ES_OK
;
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}
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}}
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namespace
Gecode
{
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void
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relax
(
Home
home,
const
SetVarArgs
&
x
,
const
SetVarArgs
& sx,
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Rnd
r
,
double
p
) {
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if
(
x
.size() != sx.size())
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throw
Set::ArgumentSizeMismatch
(
"Set::relax"
);
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if
((
p
< 0.0) || (
p
> 1.0))
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throw
Set::OutOfLimits
(
"Set::relax"
);
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Set::Relax
ir;
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Search::relax<SetVarArgs,Set::Relax>(home,
x
,sx,
r
,
p
,ir);
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}
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}
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// STATISTICS: set-other
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Gecode::x
Post propagator for SetVar x
Definition:
set.hh:767
Gecode::Int::ArgumentSizeMismatch
Exception: Arguments are of different size
Definition:
exception.hpp:73
relax.hh
Gecode::SetVarArgs
Passing set variables.
Definition:
set.hh:488
Gecode::relax
void relax(Home home, const FloatVarArgs &x, const FloatVarArgs &sx, Rnd r, double p)
Definition:
relax.cpp:57
Gecode::Set::SetView::intersectI
ModEvent intersectI(Space &home, I &iter)
Intersect least upper bound with range sequence described by i.
Definition:
set.hpp:164
Gecode
Gecode toplevel namespace
u
union Gecode::@602::NNF::@65 u
Union depending on nodetype t.
Gecode::Home
Home class for posting propagators
Definition:
core.hpp:856
Gecode::Int::Relax
Class for posting equalities for non-relaxed variables.
Definition:
relax.cpp:40
Gecode::r
Post propagator for SetVar SetOpType SetVar SetRelType r
Definition:
set.hh:767
Gecode::SetVar
Set variables
Definition:
set.hh:127
Gecode::Rnd
Random number generator.
Definition:
rnd.hpp:42
l
NNF * l
Left subtree.
Definition:
bool-expr.cpp:240
Gecode::Set::SetView
Set view for set variables
Definition:
view.hpp:56
Gecode::Int::Relax::operator()
ExecStatus operator()(Home home, IntVar x, IntVar sx)
Post the actual equality for non-relaxed variables.
Definition:
relax.cpp:49
set.hh
forceinline
#define forceinline
Definition:
config.hpp:192
Gecode::Set::SetView::includeI
ModEvent includeI(Space &home, I &i)
Include range sequence described by i in greatest lower bound.
Definition:
set.hpp:151
Gecode::SetVarGlbRanges
Iterator for the greatest lower bound ranges of a set variable.
Definition:
set.hh:270
GECODE_ME_CHECK
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition:
macros.hpp:52
Gecode::Int::OutOfLimits
Exception: Value out of limits
Definition:
exception.hpp:44
Gecode::SetVarLubRanges
Iterator for the least upper bound ranges of a set variable.
Definition:
set.hh:302
Gecode::ES_OK
@ 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