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stress-domain.cpp

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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, 2001
00008  *
00009  *  Last modified:
00010  *     $Date: 2009-04-02 20:58:46 +0200 (Thu, 02 Apr 2009) $ by $Author: schulte $
00011  *     $Revision: 8649 $
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 #include <gecode/driver.hh>
00039 #include <gecode/int.hh>
00040 
00041 using namespace Gecode;
00042 
00049 class StressDomain : public Script {
00050 protected:
00052   IntVarArray x;
00053 public:
00055   StressDomain(const SizeOptions& opt)
00056     : x(*this,5,0,5*opt.size()) {
00057 
00058     // Cut holes: expand
00059     for (int i = 5; i--; ) {
00060       for (unsigned int j = 0; j <= 5*opt.size(); j++)
00061         rel(*this, x[i], IRT_NQ, 5*j);
00062       for (unsigned int j = 0; j <= 5*opt.size(); j++)
00063         rel(*this, x[i], IRT_NQ, 5*j+2);
00064       for (unsigned int j = 0; j <= 5*opt.size(); j++)
00065         rel(*this, x[i], IRT_NQ, 5*j+4);
00066     }
00067     // Contract
00068     for (unsigned int j = 0; j <= 5*opt.size()/2; j++)
00069       for (unsigned int i = 5; i--; ) {
00070         rel(*this, x[i], IRT_GQ, 5*j);
00071         rel(*this, x[i], IRT_LQ, 5*(j + (5*opt.size()/2)));
00072       }
00073   }
00075   StressDomain(bool share, StressDomain& s) : Script(share,s) {
00076     x.update(*this, share, s.x);
00077   }
00079   virtual Space*
00080   copy(bool share) {
00081     return new StressDomain(share,*this);
00082   }
00084   virtual void
00085   print(std::ostream&) const {}
00086 };
00087 
00091 int
00092 main(int argc, char* argv[]) {
00093   SizeOptions opt("StressDomain");
00094   opt.iterations(200);
00095   opt.size(1000);
00096   opt.parse(argc,argv);
00097   Script::run<StressDomain,DFS,SizeOptions>(opt);
00098   return 0;
00099 }
00100 
00101 // STATISTICS: example-any
00102