stress-domain.cc

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *
 *  Copyright:
 *     Christian Schulte, 2001
 *
 *  Last modified:
 *     $Date: 2007-11-30 13:58:34 +0100 (Fri, 30 Nov 2007) $ by $Author: tack $
 *     $Revision: 5524 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining
 *  a copy of this software and associated documentation files (the
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 *  distribute, sublicense, and/or sell copies of the Software, and to
 *  permit persons to whom the Software is furnished to do so, subject to
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#include "examples/support.hh"

class StressDomain : public Example {
protected:
  IntVarArray x;
public:
  StressDomain(const SizeOptions& opt)
    : x(this,5,0,5*opt.size()) {

    // Cut holes: expand
    for (int i = 5; i--; ) {
      for (unsigned int j = 0; j <= 5*opt.size(); j++)
        rel(this, x[i], IRT_NQ, 5*j);
      for (unsigned int j = 0; j <= 5*opt.size(); j++)
        rel(this, x[i], IRT_NQ, 5*j+2);
      for (unsigned int j = 0; j <= 5*opt.size(); j++)
        rel(this, x[i], IRT_NQ, 5*j+4);
    }
    // Contract
    for (unsigned int j = 0; j <= 5*opt.size()/2; j++)
      for (unsigned int i = 5; i--; ) {
        rel(this, x[i], IRT_GQ, 5*j);
        rel(this, x[i], IRT_LQ, 5*(j + (5*opt.size()/2)));
      }
  }
  StressDomain(bool share, StressDomain& s) : Example(share,s) {
    x.update(this, share, s.x);
  }
  virtual Space*
  copy(bool share) {
    return new StressDomain(share,*this);
  }
  virtual void
  print(std::ostream&) {}
};

int
main(int argc, char* argv[]) {
  SizeOptions opt("StressDomain");
  opt.iterations(200);
  opt.size(1000);
  opt.parse(argc,argv);
  Example::run<StressDomain,DFS,SizeOptions>(opt);
  return 0;
}

// STATISTICS: example-any