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31 lines
650 B
C++
31 lines
650 B
C++
/*
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* lorenz_gsl.hpp
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*
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* Copyright 2011 Mario Mulansky
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* Copyright 2012 Karsten Ahnert
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or
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* copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef LORENZ_GSL_HPP_
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#define LORENZ_GSL_HPP_
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#include <gsl/gsl_matrix.h>
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int lorenz_gsl( const double t , const double y[] , double f[] , void *params)
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{
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const double sigma = 10.0;
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const double R = 28.0;
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const double b = 8.0 / 3.0;
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f[0] = sigma * ( y[1] - y[0] );
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f[1] = R * y[0] - y[1] - y[0] * y[2];
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f[2] = y[0]*y[1] - b * y[2];
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return GSL_SUCCESS;
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}
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#endif
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