nojhan
7a6f9a640f
Useful for using ParadisEO with IOHexperimenter's suites without having to do costly reallocation of operators.
74 lines
2 KiB
C++
74 lines
2 KiB
C++
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#ifndef _eoEvalIOH_h
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#define _eoEvalIOH_h
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#include <IOHprofiler_problem.hpp>
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#include <IOHprofiler_csv_logger.h>
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/** Wrap an IOHexperimenter's problem class within an eoEvalFunc.
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*
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* See https://github.com/IOHprofiler/IOHexperimenter
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*
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* Handle only fitnesses that inherits from eoScalarFitness.
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*
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* @note: You're responsible of matching the fitness' scalar type (IOH handle double and int, as of 2020-03-09).
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*
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* You will need to pass the IOH include directory to your compiler (e.g. IOHexperimenter/build/Cpp/src/).
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*/
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template<class EOT>
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class eoEvalIOH : public eoEvalFunc<EOT>
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{
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public:
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using Fitness = typename EOT::Fitness;
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using ScalarType = typename Fitness::ScalarType;
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eoEvalIOH( IOHprofiler_problem<ScalarType> & pb) :
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_ioh_pb(&pb),
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_has_log(false)
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{ }
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eoEvalIOH( IOHprofiler_problem<ScalarType> & pb, IOHprofiler_csv_logger & log ) :
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_ioh_pb(&pb),
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_has_log(true),
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_ioh_log(log)
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{ }
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virtual void operator()(EOT& sol)
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{
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if(not sol.invalid()) {
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return;
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}
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sol.fitness( call( sol ) );
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}
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/** Update the problem pointer for a new one.
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*
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* This is useful if you assembled a ParadisEO algorithm
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* and call it several time in an IOHexperimenter's suite loop.
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* Instead of re-assembling your algorithm,
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* just update the problem pointer.
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*/
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void problem( IOHprofiler_problem<ScalarType> & pb )
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{
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assert(_ioh_pb != nullptr );
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_ioh_pb = &pb;
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}
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protected:
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IOHprofiler_problem<ScalarType> * _ioh_pb;
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bool _has_log;
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IOHprofiler_csv_logger & _ioh_log;
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virtual Fitness call(EOT& sol)
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{
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Fitness f = _ioh_pb->evaluate(sol);
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if(_has_log) {
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_ioh_log.write_line(_ioh_pb->loggerInfo());
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}
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return f;
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}
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};
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#endif // _eoEvalIOH_h
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