sch.cpp

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 *   Copyright (C) 2004-2015 The PaGMO development team,                     *
 *   Advanced Concepts Team (ACT), European Space Agency (ESA)               *
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#include <boost/math/constants/constants.hpp>
#include <cmath>

#include "../exceptions.h"
#include "../types.h"
#include "base.h"
#include "sch.h"

namespace pagmo { namespace problem {

sch::sch():base(1,0,2)
{
        set_bounds(-1000,1000);
}
base_ptr sch::clone() const
{
        return base_ptr(new sch(*this));
}

void sch::objfun_impl(fitness_vector &f, const decision_vector &x) const
{
        pagmo_assert(f.size() == 2 && x.size() == 1);
        f[0] = x[0]*x[0];
        f[1] = (x[0]-2) * (x[0]-2);
}

std::string sch::get_name() const
{
        return "Shaffer's Study";
}

}} //namespaces

BOOST_CLASS_EXPORT_IMPLEMENT(pagmo::problem::sch)