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values-array.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, 2007
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 { namespace Iter { namespace Values {
00035 
00046   class Array  {
00047   protected:
00049     int* v;
00051     int c;
00053     int n;
00054   public:
00056 
00057 
00058     Array(void);
00060     Array(int* v, int n);
00062     void init(int* v, int n);
00064 
00066 
00067 
00068     bool operator ()(void) const;
00070     void operator ++(void);
00072     void reset(void);
00074 
00076 
00077 
00078     int val(void) const;
00080   };
00081 
00082 
00083   forceinline
00084   Array::Array(void) {}
00085 
00086   forceinline
00087   Array::Array(int* v0, int n0)
00088     : v(v0), c(0), n(n0) {}
00089 
00090   forceinline void
00091   Array::init(int* v0, int n0) {
00092     v=v0; c=0; n=n0;
00093   }
00094 
00095   forceinline void
00096   Array::operator ++(void) {
00097     c++;
00098   }
00099   forceinline bool
00100   Array::operator ()(void) const {
00101     return c<n;
00102   }
00103   forceinline void
00104   Array::reset(void) {
00105     c=0;
00106   }
00107 
00108   forceinline int
00109   Array::val(void) const {
00110     return v[c];
00111   }
00112 
00113 }}}
00114 
00115 // STATISTICS: iter-any
00116