92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoCombinedInit.h
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// (c) Maarten Keijzer, GeNeura Team, Marc Schoenauer 2004
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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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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: Marc.Schoenauer@inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef _eoCombinedInit_h
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#define _eoCombinedInit_h
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#include <eoInit.h>
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/**
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Combined INIT: a proportional recombination of eoInit objects
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@ingroup Initializators
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*/
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template< class EOT>
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class eoCombinedInit: public eoInit<EOT> {
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public:
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/** Ctor, make sure that at least one eoInit is present */
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eoCombinedInit( eoInit<EOT>& _init, double _rate)
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: eoInit<EOT> ()
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{
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initializers.push_back(&_init);
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rates.push_back(_rate);
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}
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void add(eoInit<EOT> & _init, double _rate, bool _verbose)
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{
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eo::log << eo::warnings << "WARNING: the use of the verbose parameter in eoCombinedInit::add is deprecated and will be removed in the next release." << std::endl;
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add( _init, _rate );
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}
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/** The usual method to add objects to the combination
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*/
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void add(eoInit<EOT> & _init, double _rate)
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{
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initializers.push_back(&_init);
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rates.push_back(_rate);
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// compute the relative rates in percent - to warn the user!
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printOn( eo::log << eo::logging );
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}
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/** outputs the operators and percentages */
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virtual void printOn(std::ostream & _os)
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{
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double total = 0;
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unsigned i;
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for (i=0; i<initializers.size(); i++)
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total += rates[i];
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_os << "In " << className() << "\n" ;
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for (i=0; i<initializers.size(); i++)
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_os << initializers[i]->className() << " with rate " << 100*rates[i]/total << " %\n";
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}
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/** Performs the init: chooses among all initializers
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* using roulette wheel on the rates
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*/
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virtual void operator() ( EOT & _eo )
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{
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unsigned what = rng.roulette_wheel(rates); // choose one op
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(*initializers[what])(_eo); // apply it
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return;
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}
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virtual std::string className(void) const { return "eoCombinedInit"; }
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private:
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std::vector<eoInit<EOT>*> initializers;
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std::vector<double> rates;
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};
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#endif
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