set-rel.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2005
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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#ifdef GECODE_HAS_SET_VARS
namespace Gecode {
/*
* Operations for set relations
*
*/
forceinline
SetCmpRel::SetCmpRel(const SetExpr& l0, SetRelType srt0, const SetExpr& r0)
: l(l0), r(r0), srt(srt0) {}
forceinline
SetRel::SetRel(void) {}
forceinline
SetRel::SetRel(const SetExpr& e0, SetRelType srt, const SetExpr& e1)
: _e0(e0), _srt(srt), _e1(e1) {}
forceinline
SetRel::SetRel(const SetCmpRel& r)
: _e0(r.l), _srt(r.srt), _e1(r.r) {}
forceinline void
SetRel::post(Home home, bool t) const {
if (t)
_e0.post(home,_srt,_e1);
else if (_srt == SRT_EQ)
_e0.post(home,SRT_NQ,_e1);
else if (_srt == SRT_NQ)
_e0.post(home,SRT_EQ,_e1);
else {
BoolVar b(home,0,0);
_e0.post(home,b,true,_srt,_e1);
}
}
forceinline void
SetRel::post(Home home, BoolVar b, bool t) const {
_e0.post(home,b,t,_srt,_e1);
}
}
#endif
// STATISTICS: minimodel-any
Gecode::BoolVar
Boolean integer variables.
Definition int.hh:512
Gecode::Home
Home class for posting propagators
Definition core.hpp:856
Gecode::SetCmpRel
Comparison relation (for two-sided comparisons).
Definition minimodel.hh:1221
Gecode::SetCmpRel::srt
SetRelType srt
Which relation.
Definition minimodel.hh:1228
Gecode::SetCmpRel::l
SetExpr l
Left side of relation.
Definition minimodel.hh:1224
Gecode::SetCmpRel::r
SetExpr r
Right side of relation.
Definition minimodel.hh:1226
Gecode::SetCmpRel::SetCmpRel
SetCmpRel(const SetExpr &l, SetRelType srt, const SetExpr &r)
Constructor.
Definition set-rel.hpp:43
Gecode::SetExpr
Set expressions
Definition minimodel.hh:1164
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
Gecode::SetRel::SetRel
SetRel(void)
Default constructor.
Definition set-rel.hpp:47
Gecode::SetRelType
SetRelType
Common relation types for sets.
Definition set.hh:643
Gecode::SRT_NQ
@ SRT_NQ
Disequality ( ).
Definition set.hh:645
Gecode::SRT_EQ
@ SRT_EQ
Equality ( ).
Definition set.hh:644
Gecode
Gecode toplevel namespace
forceinline
#define forceinline
Definition config.hpp:187