* indentations + whitespace cleanup
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285 changed files with 6068 additions and 6223 deletions
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@ -3,7 +3,7 @@
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//-----------------------------------------------------------------------------
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// eoProportionalSelect.h
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// (c) GeNeura Team, 1998 - EEAAX 1999, Maarten Keijzer 2000
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/*
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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@ -35,18 +35,18 @@
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#include <eoPop.h>
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/** eoProportionalSelect: select an individual proportional to her stored fitness
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value
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Changed the algorithm to make use of a cumulative array of fitness scores,
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value
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Changed the algorithm to make use of a cumulative array of fitness scores,
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This changes the algorithm from O(n) per call to O(log n) per call. (MK)
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@ingroup Selectors
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*/
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template <class EOT> class eoProportionalSelect: public eoSelectOne<EOT>
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template <class EOT> class eoProportionalSelect: public eoSelectOne<EOT>
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{
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public:
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/// Sanity check
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eoProportionalSelect(const eoPop<EOT>& pop = eoPop<EOT>())
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eoProportionalSelect(const eoPop<EOT>& pop = eoPop<EOT>())
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{
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if (minimizing_fitness<EOT>())
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throw std::logic_error("eoProportionalSelect: minimizing fitness");
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@ -55,23 +55,23 @@ public:
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void setup(const eoPop<EOT>& _pop)
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{
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if (_pop.size() == 0) return;
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cumulative.resize(_pop.size());
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cumulative[0] = _pop[0].fitness();
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for (unsigned i = 1; i < _pop.size(); ++i)
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for (unsigned i = 1; i < _pop.size(); ++i)
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{
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cumulative[i] = _pop[i].fitness() + cumulative[i-1];
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cumulative[i] = _pop[i].fitness() + cumulative[i-1];
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}
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}
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/** do the selection,
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/** do the selection,
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*/
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const EOT& operator()(const eoPop<EOT>& _pop)
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const EOT& operator()(const eoPop<EOT>& _pop)
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{
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if (cumulative.size() == 0) setup(_pop);
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double fortune = rng.uniform() * cumulative.back();
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double fortune = rng.uniform() * cumulative.back();
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typename FitVec::iterator result = std::upper_bound(cumulative.begin(), cumulative.end(), fortune);
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return _pop[result - cumulative.begin()];
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}
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