stress-linear-bool.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, 2007
 *
 *  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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#include "examples/support.hh"


class StressLinearBool : public Example {
protected:
  BoolVarArray x;
public:
  StressLinearBool(const SizeOptions& opt)
    : x(this,4*opt.size()+1,0,1) {
    
    linear(this, x, IRT_GQ, 2*opt.size());

    for (unsigned int i=0; i<opt.size(); i++) {
      // Assign a variable
      rel(this, x[opt.size()-1-i], IRT_EQ, 0);
      // Propagate
      (void) status();
      // Assign a variable
      rel(this, x[opt.size()+i], IRT_EQ, 0);
      // Propagate
      (void) status();
    }

  }
  StressLinearBool(bool share, StressLinearBool& s) : Example(share,s) {
    x.update(this, share, s.x);
  }
  virtual Space*
  copy(bool share) {
    return new StressLinearBool(share,*this);
  }
  virtual void
  print(std::ostream& os) {
    os << "\tx[" << x.size() << "] = " << x << std::endl;
  }
};

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

// STATISTICS: example-any