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gecode
minimodel
int-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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* Last modified:
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* $Date: 2015-09-11 16:29:45 +0200 (Fri, 11 Sep 2015) $ by $Author: schulte $
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* $Revision: 14672 $
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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
{
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/*
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* Operations for linear expressions
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*
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*/
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forceinline
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LinIntRel::LinIntRel(
void
) {}
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forceinline
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LinIntRel::LinIntRel(
const
LinIntExpr
&
l
,
IntRelType
irt0,
const
LinIntExpr
&
r
)
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: e(
l
-
r
), irt(irt0) {}
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forceinline
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LinIntRel::LinIntRel(
const
LinIntExpr
&
l
,
IntRelType
irt0,
int
r
)
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: e(
l
-
r
), irt(irt0) {}
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forceinline
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LinIntRel::LinIntRel(
int
l
,
IntRelType
irt0,
const
LinIntExpr
&
r
)
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: e(
l
-
r
), irt(irt0) {}
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forceinline
IntRelType
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LinIntRel::neg(
IntRelType
irt) {
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switch
(irt) {
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case
IRT_EQ
:
return
IRT_NQ
;
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case
IRT_NQ
:
return
IRT_EQ
;
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case
IRT_LQ
:
return
IRT_GR
;
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case
IRT_LE
:
return
IRT_GQ
;
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case
IRT_GQ
:
return
IRT_LE
;
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case
IRT_GR
:
return
IRT_LQ
;
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default
:
GECODE_NEVER
;
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}
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return
IRT_LQ
;
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}
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forceinline
void
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LinIntRel::post
(
Home
home,
bool
t
,
IntPropLevel
ipl)
const
{
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e.
post
(home,
t
? irt : neg(irt),ipl);
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}
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forceinline
void
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LinIntRel::post
(
Home
home,
const
BoolVar
&
b
,
bool
t
,
IntPropLevel
ipl)
const
{
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e.
post
(home,
t
? irt : neg(irt),
b
,ipl);
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}
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}
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// STATISTICS: minimodel-any
Gecode::IntRelType
IntRelType
Relation types for integers.
Definition:
int.hh:906
forceinline
#define forceinline
Definition:
config.hpp:173
Gecode::IRT_GQ
@ IRT_GQ
Greater or equal ( )
Definition:
int.hh:911
Gecode::IRT_LE
@ IRT_LE
Less ( )
Definition:
int.hh:910
t
NodeType t
Type of node.
Definition:
bool-expr.cpp:234
Gecode::LinIntExpr
Linear expressions over integer variables.
Definition:
minimodel.hh:142
Gecode::IntPropLevel
IntPropLevel
Propagation levels for integer propagators.
Definition:
int.hh:955
Gecode
Gecode toplevel namespace
Gecode::Home
Home class for posting propagators
Definition:
core.hpp:922
b
struct Gecode::@579::NNF::@61::@62 b
For binary nodes (and, or, eqv)
Gecode::LinIntRel::post
void post(Home home, bool t, IntPropLevel ipl) const
Post propagator for relation (if t is false for negated relation)
Definition:
int-rel.hpp:74
Gecode::r
Post propagator for SetVar SetOpType SetVar SetRelType r
Definition:
set.hh:784
Gecode::BoolVar
Boolean integer variables.
Definition:
int.hh:494
GECODE_NEVER
#define GECODE_NEVER
Assert that this command is never executed.
Definition:
macros.hpp:60
Gecode::LinIntExpr::post
void post(Home home, IntRelType irt, IntPropLevel ipl) const
Post propagator.
Definition:
int-expr.cpp:160
l
NNF * l
Left subtree.
Definition:
bool-expr.cpp:244
Gecode::IRT_EQ
@ IRT_EQ
Equality ( )
Definition:
int.hh:907
Gecode::IRT_NQ
@ IRT_NQ
Disequality ( )
Definition:
int.hh:908
Gecode::IRT_GR
@ IRT_GR
Greater ( )
Definition:
int.hh:912
Gecode::IRT_LQ
@ IRT_LQ
Less or equal ( )
Definition:
int.hh:909