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1.8.1.1
gecode
minimodel
set-expr.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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* Guido Tack <tack@gecode.org>
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*
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* Copyright:
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* Guido Tack, 2010
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*
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* Last modified:
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* $Date: 2011-01-22 02:01:14 +1100 (Sat, 22 Jan 2011) $ by $Author: schulte $
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* $Revision: 11553 $
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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 expressions
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*
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*/
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forceinline
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SetExpr::Node::Node
(
void
) : use(1) {}
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forceinline
void
*
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SetExpr::Node::operator
new
(
size_t
size
) {
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return
heap
.
ralloc
(
size
);
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}
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forceinline
void
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SetExpr::Node::operator
delete
(
void
* p, size_t) {
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heap
.
rfree
(p);
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}
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forceinline
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SetExpr::SetExpr
(
void
) : n(NULL) {}
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forceinline
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SetExpr::SetExpr
(
const
SetExpr
& e) : n(e.n) {
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n->
use
++;
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}
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forceinline
bool
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SetExpr::same
(
NodeType
t0,
NodeType
t1) {
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return
(t0==t1) || (t1==
NT_VAR
) || (t1==
NT_CONST
) || (t1==
NT_LEXP
);
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}
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inline
SetVar
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SetExpr::post
(
Home
home)
const
{
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Region
r
(home);
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SetVar
s(home,
IntSet::empty
,
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IntSet
(
Set::Limits::min
,
Set::Limits::max
));
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NNF::nnf
(r,n,
false
)->
post
(home,
SRT_EQ
,s);
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return
s;
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}
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inline
void
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SetExpr::post
(
Home
home,
SetRelType
srt,
const
SetExpr
& e)
const
{
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Region
r
(home);
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return
NNF::nnf
(r,n,
false
)->
post
(home,srt,
NNF::nnf
(r,e.n,
false
));
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}
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inline
void
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SetExpr::post
(
Home
home,
BoolVar
b
,
bool
t,
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SetRelType
srt,
const
SetExpr
& e)
const
{
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Region
r
(home);
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return
NNF::nnf
(r,n,
false
)->
post
(home,b,t,srt,
NNF::nnf
(r,e.n,
false
));
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}
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}
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#endif
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// STATISTICS: minimodel-any