aa5dbe82c6
- relative includes in headers - absolute includes in exe code - include sstream lib in eoExceptions.h - fix ga/make_op_ga.cpp - fix eoSGATransform.h
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/*
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(c) Thales group, 2010
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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;
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version 2 of the License.
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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: http://eodev.sourceforge.net
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Authors:
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Johann Dréo <johann.dreo@thalesgroup.com>
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Caner Candan <caner.candan@thalesgroup.com>
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*/
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#ifndef __eoEvalCounterThrowException_h__
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#define __eoEvalCounterThrowException_h__
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#include "eoEvalFuncCounter.h"
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#include "utils/eoParam.h"
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#include "eoExceptions.h"
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/*!
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Wrap an evaluation function so that an exception may be thrown when the
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algorithm have reached a maximum number of evaluations.
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This may be useful if you want to check this kind of stopping criterion
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at each _evaluation_, instead of using continuators at each _iteration_.
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The class first call the evaluation function, then check the number of
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times it has been called. If the maximum number of evaluation has been
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reached, it throw an eoMaxEvalException. You can catch this exception
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from your main function, so as to stop everything properly.
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@ingroup Evaluation
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*/
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template < typename EOT >
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class eoEvalCounterThrowException : public eoEvalFuncCounter< EOT >
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{
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public :
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eoEvalCounterThrowException( eoEvalFunc<EOT>& func, unsigned long max_evals, std::string name = "Eval. ")
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: eoEvalFuncCounter< EOT >( func, name ), _threshold( max_evals )
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{}
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using eoEvalFuncCounter< EOT >::value;
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//! Evaluate the individual, then throw an exception if it exceed the max number of evals.
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virtual void operator()(EOT& eo)
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{
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// bypass already evaluated individuals
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if (eo.invalid()) {
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// increment the value of the self parameter
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// (eoEvalFuncCounter inherits from @see eoValueParam)
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value()++;
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// if we have reached the maximum
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if ( value() >= _threshold ) {
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// go back through the stack until catched
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throw eoMaxEvalException(_threshold);
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}
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// evaluate
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func(eo);
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} // if invalid
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}
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virtual std::string className() const {return "eoEvalCounterThrowException";}
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private :
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unsigned long _threshold;
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};
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#endif // __eoEvalCounterThrowException_h__
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