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bool.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   BoolVar::_init(Space& home, int min, int max) {
00038     assert((min >= 0) && (max <= 1) && (min <= max));
00039     if (min > 0)
00040       x = &Int::BoolVarImp::s_one;
00041     else if (max == 0)
00042       x = &Int::BoolVarImp::s_zero;
00043     else
00044       x = new (home) Int::BoolVarImp(home,0,1);
00045   }
00046 
00047   forceinline
00048   BoolVar::BoolVar(void) {}
00049   forceinline
00050   BoolVar::BoolVar(const BoolVar& y)
00051     : VarImpVar<Int::BoolVarImp>(y.varimp()) {}
00052   forceinline
00053   BoolVar::BoolVar(const Int::BoolView& y)
00054     : VarImpVar<Int::BoolVarImp>(y.varimp()) {}
00055 
00056   forceinline int
00057   BoolVar::val(void) const {
00058     if (!x->assigned())
00059       throw Int::ValOfUnassignedVar("BoolVar::val");
00060     return x->val();
00061   }
00062   forceinline int
00063   BoolVar::min(void) const {
00064     return x->min();
00065   }
00066   forceinline int
00067   BoolVar::med(void) const {
00068     return x->med();
00069   }
00070   forceinline int
00071   BoolVar::max(void) const {
00072     return x->max();
00073   }
00074 
00075 
00076   forceinline unsigned int
00077   BoolVar::width(void) const {
00078     return x->width();
00079   }
00080   forceinline unsigned int
00081   BoolVar::size(void) const {
00082     return x->size();
00083   }
00084   forceinline unsigned int
00085   BoolVar::regret_min(void) const {
00086     return x->regret_min();
00087   }
00088   forceinline unsigned int
00089   BoolVar::regret_max(void) const {
00090     return x->regret_max();
00091   }
00092 
00093   forceinline bool
00094   BoolVar::range(void) const {
00095     return x->range();
00096   }
00097   forceinline bool
00098   BoolVar::in(int n) const {
00099     return x->in(n);
00100   }
00101 
00102   forceinline bool
00103   BoolVar::zero(void) const {
00104     return x->zero();
00105   }
00106   forceinline bool
00107   BoolVar::one(void) const {
00108     return x->one();
00109   }
00110   forceinline bool
00111   BoolVar::none(void) const {
00112     return x->none();
00113   }
00114 
00115 }
00116 
00117 // STATISTICS: int-var