test/simann_test.cc
author deba
Mon, 04 Sep 2006 11:05:21 +0000
changeset 2188 984870a2dde4
parent 1921 fb4a2a84d363
child 2242 16523135943d
permissions -rw-r--r--
Improvment in exception handling
The erase and clear handlers have to be exception safe.
These can throw only one exception which detach the observer
from the notifier
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/* -*- C++ -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library
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 *
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 * Copyright (C) 2003-2006
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include <lemon/simann.h>
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using namespace lemon;
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class MyEntity : public EntityBase {
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public:
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  double d, prev_d;
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  MyEntity() : d(100000.0) { srand48(time(0)); }
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  double mutate() {
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    prev_d = d;
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    if (drand48() < 0.8) { d += 1.0; }
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    else { d -= 1.0; }
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    return d;
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  }
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  void revert() { d = prev_d; }
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  MyEntity* clone() { return new MyEntity (*this); }
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  void randomize() {}
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};
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int main() {
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  SimAnn simann;
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  SimpleController ctrl;
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  simann.setController(ctrl);
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  MyEntity ent;
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  simann.setEntity(ent);
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  simann.run();
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  //MyEntity *best_ent = (MyEntity *) simann.getBestEntity();
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  //std::cout << best_ent->d << std::endl;
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  SimAnn simann2;
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  AdvancedController ctrl2(2.0);
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  simann2.setController(ctrl2);
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  MyEntity ent2;
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  simann2.setEntity(ent2);
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  simann2.run();
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  //MyEntity *best_ent2 = (MyEntity *) simann2.getBestEntity();
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  //std::cout << best_ent2->d << std::endl;
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  return 0;
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}