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int.hpp

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2002
00008  *
00009  *  Last modified:
00010  *     $Date: 2009-07-20 14:36:47 +0200 (Mon, 20 Jul 2009) $ by $Author: schulte $
00011  *     $Revision: 9376 $
00012  *
00013  *  This file is part of Gecode, the generic constraint
00014  *  development environment:
00015  *     http://www.gecode.org
00016  *
00017  *  Permission is hereby granted, free of charge, to any person obtaining
00018  *  a copy of this software and associated documentation files (the
00019  *  "Software"), to deal in the Software without restriction, including
00020  *  without limitation the rights to use, copy, modify, merge, publish,
00021  *  distribute, sublicense, and/or sell copies of the Software, and to
00022  *  permit persons to whom the Software is furnished to do so, subject to
00023  *  the following conditions:
00024  *
00025  *  The above copyright notice and this permission notice shall be
00026  *  included in all copies or substantial portions of the Software.
00027  *
00028  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00029  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00030  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00031  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00032  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00033  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00034  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00035  *
00036  */
00037 
00038 namespace Gecode {
00039 
00040   forceinline void
00041   IntVar::_init(Space& home, int min, int max) {
00042     varimp = new (home) Int::IntVarImp(home,min,max);
00043   }
00044 
00045   forceinline void
00046   IntVar::_init(Space& home, const IntSet& ds) {
00047     varimp = new (home) Int::IntVarImp(home,ds);
00048   }
00049 
00050   forceinline
00051   IntVar::IntVar(void) {}
00052   forceinline
00053   IntVar::IntVar(const IntVar& x)
00054     : VarBase<Int::IntVarImp>(x.varimp) {}
00055   forceinline
00056   IntVar::IntVar(const Int::IntView& x)
00057     : VarBase<Int::IntVarImp>(x.var()) {}
00058 
00059   forceinline int
00060   IntVar::val(void) const {
00061     if (!varimp->assigned())
00062       throw Int::ValOfUnassignedVar("IntVar::val");
00063     return varimp->val();
00064   }
00065   forceinline int
00066   IntVar::min(void) const {
00067     return varimp->min();
00068   }
00069   forceinline int
00070   IntVar::med(void) const {
00071     return varimp->med();
00072   }
00073   forceinline int
00074   IntVar::max(void) const {
00075     return varimp->max();
00076   }
00077 
00078 
00079   forceinline unsigned int
00080   IntVar::width(void) const {
00081     return varimp->width();
00082   }
00083   forceinline unsigned int
00084   IntVar::size(void) const {
00085     return varimp->size();
00086   }
00087   forceinline unsigned int
00088   IntVar::regret_min(void) const {
00089     return varimp->regret_min();
00090   }
00091   forceinline unsigned int
00092   IntVar::regret_max(void) const {
00093     return varimp->regret_max();
00094   }
00095 
00096 
00097 
00098   forceinline bool
00099   IntVar::assigned(void) const {
00100     return varimp->assigned();
00101   }
00102   forceinline bool
00103   IntVar::range(void) const {
00104     return varimp->range();
00105   }
00106   forceinline bool
00107   IntVar::in(int n) const {
00108     return varimp->in(n);
00109   }
00110 
00111 
00112   forceinline void
00113   IntVar::update(Space& home, bool share, IntVar& x) {
00114     varimp = x.varimp->copy(home,share);
00115   }
00116 
00117   /*
00118    * Range iterator
00119    *
00120    */
00121   forceinline
00122   IntVarRanges::IntVarRanges(void) {}
00123 
00124   forceinline
00125   IntVarRanges::IntVarRanges(const IntVar& x)
00126     : Int::IntVarImpFwd(x.var()) {}
00127 
00128   forceinline void
00129   IntVarRanges::init(const IntVar& x) {
00130     Int::IntVarImpFwd::init(x.var());
00131   }
00132 
00133 
00134   /*
00135    * Value iterator
00136    *
00137    */
00138 
00139   forceinline
00140   IntVarValues::IntVarValues(void) {}
00141 
00142   forceinline
00143   IntVarValues::IntVarValues(const IntVar& x) {
00144     IntVarRanges r(x);
00145     Iter::Ranges::ToValues<IntVarRanges>::init(r);
00146   }
00147 
00148   forceinline void
00149   IntVarValues::init(const IntVar& x) {
00150     IntVarRanges r(x);
00151     Iter::Ranges::ToValues<IntVarRanges>::init(r);
00152   }
00153 
00154 }
00155 
00156 // STATISTICS: int-var
00157