swaits
cab0760a99
added better default range fixed BIGDOUBLE to be closer to max double (used for default best fitness)
82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
#ifndef __de_h__
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#define __de_h__
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#include "devec.h"
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#include "derand.h"
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namespace DE
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{
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template <unsigned int DIM, unsigned int POP=(DIM*10)>
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class Engine
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{
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public:
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Engine();
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virtual ~Engine();
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void Reset();
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const double* GetBest() const;
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void SetRange(double minimum, double maximum);
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void SetRange(const Vector<DIM>& minimum, const Vector<DIM>& maximum);
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virtual double CalculateError(const double testcase[DIM], bool& stop) = 0;
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bool Solve(unsigned int maxgenerations = 1000000000);
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private:
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void Select(unsigned int candidate, unsigned int *r1 = 0, unsigned int *r2 = 0, unsigned int *r3 = 0, unsigned int *r4 = 0, unsigned int *r5 = 0);
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void Dump(const double& fitness, Vector<DIM>& individual) const;
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void MakeTrial_best1exp(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_rand1exp(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_randtobest1exp(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_best2exp(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_rand2exp(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_best1bin(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_rand1bin(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_randtobest1bin(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_best2bin(unsigned int candidate, Vector<DIM>& trial);
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void MakeTrial_rand2bin(unsigned int candidate, Vector<DIM>& trial);
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private:
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static const double DEFAULTSCALE;
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static const double DEFAULTCROSSOVER;
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static const double DEFAULTRANGE;
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static const double BIGDOUBLE;
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private:
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Random prng;
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Vector<DIM> best;
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Vector<DIM> minimum;
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Vector<DIM> maximum;
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Vector<DIM> population[POP];
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double fitness[POP];
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double scale;
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double crossover;
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double bestfitness;
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};
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};
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#include "de.inl"
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#endif // __de_h__
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