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40 lines
1.0 KiB
40 lines
1.0 KiB
#ifndef LORENZ_HPP
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#define LORENZ_HPP
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#include "../AttractorKernel.hpp"
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class Lorenz3D : public AttractorKernel {
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private:
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void init() {
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std::fill_n(vectorOld, dimension, 1.0);
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std::fill_n(vectorNew, dimension, 1.0);
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}
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public:
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Lorenz3D():
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AttractorKernel(3, 4) {
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init();
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}
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virtual std::string type() const { return "lorenz"; };
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virtual void generate_random_parameters() {
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parameters[0] = rand() / double(RAND_MAX) * 0.02;
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parameters[1] = rand() / double(RAND_MAX) * 4.0 + 8.0;
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parameters[2] = rand() / double(RAND_MAX) * 10.0 + 23.0;
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parameters[3] = rand() / double(RAND_MAX) * 4.0;
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init();
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}
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virtual void operator()() {
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std::swap(vectorNew, vectorOld);
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vectorNew[0] = vectorOld[0] + parameters[0] * parameters[1] * (vectorOld[1] - vectorOld[0]);
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vectorNew[1] = vectorOld[1] + parameters[0] * (vectorOld[0] * (parameters[2] - vectorOld[2]) - vectorOld[1]);
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vectorNew[2] = vectorOld[2] + parameters[0] * (vectorOld[0] * vectorOld[1] - parameters[3] * vectorOld[2]);
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}
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};
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#endif // LORENZ_HPP
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