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