23df679f51
You have to sove this problems: EDO: t-dispatcher-round (commented) MOOE: Lesson4 (commented) MO: t-moRndIndexedVectorTabuList (commented)
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
#ifndef eoEvalFuncCounterBounder_H
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#define eoEvalFuncCounterBounder_H
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#include <eoEvalFunc.h>
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#include <utils/eoParam.h>
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/** @addtogroup Evaluation
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* @{
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*/
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/** The exception raised by eoEvalFuncCounterBounder
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* when the maximum number of allowed evaluations is reached.
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*/
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class eoEvalFuncCounterBounderException : public std::exception
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{
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public:
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eoEvalFuncCounterBounderException(unsigned long threshold) : _threshold(threshold){}
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const char* what() const throw()
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{
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std::ostringstream ss;
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ss << "STOP in eoEvalFuncCounterBounderException: the maximum number of evaluation has been reached (" << _threshold << ").";
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return ss.str().c_str();
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}
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private:
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unsigned long _threshold;
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};
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/** Counts the number of evaluations actually performed and throw an eoEvalFuncCounterBounderException
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* when the maximum number of allowed evaluations is reached.
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*
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* This eval counter permits to stop a search during a generation, without waiting for a continue to be
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* checked at the end of the loop. Useful if you have 10 individuals and 10 generations,
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* but want to stop after 95 evaluations.
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*/
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template < typename EOT >
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class eoEvalFuncCounterBounder : public eoEvalFuncCounter< EOT >
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{
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public :
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eoEvalFuncCounterBounder(eoEvalFunc<EOT>& func, unsigned long threshold, std::string name = "Eval. ")
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: eoEvalFuncCounter< EOT >( func, name ), _threshold( threshold )
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{}
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using eoEvalFuncCounter< EOT >::value;
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virtual void operator()(EOT& eo)
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{
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if (eo.invalid())
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{
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value()++;
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if (_threshold > 0 && value() >= _threshold)
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{
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throw eoEvalFuncCounterBounderException(_threshold);
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}
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this->func(eo);
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}
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}
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private :
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unsigned long _threshold;
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};
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/** @} */
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#endif
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