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gecode
minimodel
set-rel.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, 2005
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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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#ifdef GECODE_HAS_SET_VARS
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namespace
Gecode
{
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/*
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* Operations for set relations
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*
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*/
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forceinline
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SetCmpRel::SetCmpRel
(
const
SetExpr
& l0,
SetRelType
srt0,
const
SetExpr
& r0)
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:
l
(l0),
r
(r0), srt(srt0) {}
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forceinline
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SetRel::SetRel
(
void
) {}
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forceinline
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SetRel::SetRel
(
const
SetExpr
& e0,
SetRelType
srt,
const
SetExpr
& e1)
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: _e0(e0), _srt(srt), _e1(e1) {}
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forceinline
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SetRel::SetRel
(
const
SetCmpRel
&
r
)
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: _e0(
r
.
l
), _srt(
r
.srt), _e1(
r
.
r
) {}
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forceinline
void
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SetRel::post
(
Home
home,
bool
t
)
const
{
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if
(
t
)
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_e0.
post
(home,_srt,_e1);
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else
if
(_srt ==
SRT_EQ
)
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_e0.
post
(home,
SRT_NQ
,_e1);
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else
if
(_srt ==
SRT_NQ
)
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_e0.
post
(home,
SRT_EQ
,_e1);
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else
{
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BoolVar
b
(home,0,0);
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_e0.
post
(home,
b
,
true
,_srt,_e1);
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}
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}
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forceinline
void
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SetRel::post
(
Home
home,
BoolVar
b
,
bool
t
)
const
{
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_e0.
post
(home,
b
,
t
,_srt,_e1);
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}
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}
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#endif
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// STATISTICS: minimodel-any
Gecode::SetCmpRel
Comparison relation (for two-sided comparisons)
Definition:
minimodel.hh:1221
Gecode::SetCmpRel::SetCmpRel
SetCmpRel(const SetExpr &l, SetRelType srt, const SetExpr &r)
Constructor.
Definition:
set-rel.hpp:43
t
NodeType t
Type of node.
Definition:
bool-expr.cpp:230
Gecode
Gecode toplevel namespace
Gecode::SRT_EQ
@ SRT_EQ
Equality ( )
Definition:
set.hh:644
Gecode::Home
Home class for posting propagators
Definition:
core.hpp:856
Gecode::r
Post propagator for SetVar SetOpType SetVar SetRelType r
Definition:
set.hh:767
Gecode::BoolVar
Boolean integer variables.
Definition:
int.hh:512
b
struct Gecode::@602::NNF::@65::@66 b
For binary nodes (and, or, eqv)
Gecode::SetRelType
SetRelType
Common relation types for sets.
Definition:
set.hh:643
Gecode::SetExpr
Set expressions
Definition:
minimodel.hh:1164
Gecode::SRT_NQ
@ SRT_NQ
Disequality ( )
Definition:
set.hh:645
Gecode::SetRel::SetRel
SetRel(void)
Default constructor.
Definition:
set-rel.hpp:47
l
NNF * l
Left subtree.
Definition:
bool-expr.cpp:240
Gecode::SetRel::post
void post(Home home, bool t) const
Post propagators for relation (or negated relation if t is false)
Definition:
set-rel.hpp:58
forceinline
#define forceinline
Definition:
config.hpp:185
Gecode::SetExpr::post
SetVar post(Home home) const
Post propagators for expression.
Definition:
set-expr.cpp:649