himmelblau.cpp

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#include <string>

#include "base.h"
#include "himmelblau.h"

namespace pagmo { namespace problem {

himmelblau::himmelblau():base(-6.,6.,2) {}

base_ptr himmelblau::clone() const
{
        return base_ptr(new himmelblau(*this));
}

void himmelblau::objfun_impl(fitness_vector &f, const decision_vector &xv) const
{
        pagmo_assert(f.size() == 1 && xv.size() == get_dimension());
        const double x = xv[0], y = xv[1];
        f[0] = ((x * x + y - 11) * (x * x + y - 11) + (x + y * y - 7) * (x + y * y - 7));
}

std::string himmelblau::get_name() const
{
        return "Himmelblau";
}

}}

BOOST_CLASS_EXPORT_IMPLEMENT(pagmo::problem::himmelblau)