algorithm/base.cpp

/*****************************************************************************
 *   Copyright (C) 2004-2015 The PaGMO development team,                     *
 *   Advanced Concepts Team (ACT), European Space Agency (ESA)               *
 *                                                                           *
 *   https://github.com/esa/pagmo                                            *
 *                                                                           *
 *   act@esa.int                                                             *
 *                                                                           *
 *   This program is free software; you can redistribute it and/or modify    *
 *   it under the terms of the GNU General Public License as published by    *
 *   the Free Software Foundation; either version 2 of the License, or       *
 *   (at your option) any later version.                                     *
 *                                                                           *
 *   This program is distributed in the hope that it will be useful,         *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
 *   GNU General Public License for more details.                            *
 *                                                                           *
 *   You should have received a copy of the GNU General Public License       *
 *   along with this program; if not, write to the                           *
 *   Free Software Foundation, Inc.,                                         *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.               *
 *****************************************************************************/

#include <iostream>
#include <sstream>
#include <string>
#include <typeinfo>

#include "../population.h"
#include "../rng.h"
#include "base.h"

namespace pagmo
{
namespace algorithm {


base::base():m_screen_output(false), m_drng(rng_generator::get<rng_double>()), m_urng(rng_generator::get<rng_uint32>()), m_fevals(0) {}


base::~base() {}


std::string base::get_name() const
{
        return typeid(*this).name();
}


void base::set_screen_output(const bool p) {m_screen_output = p;}


bool base::get_screen_output() const {return m_screen_output;}


void base::reset_rngs(const unsigned int p) const {
        m_urng = rng_uint32(p);
        m_drng = rng_double(p);
}


std::string base::human_readable() const
{
        std::ostringstream s;
        s << "Algorithm name: " << get_name();
        const std::string tmp(human_readable_extra());
        if (tmp.size()) {
                s << " - " << tmp;
        }
        return s.str();
}


std::string base::human_readable_extra() const
{
        return std::string();
}


std::ostream &operator<<(std::ostream &s, const base &alg)
{
        s << alg.human_readable();
        return s;
}

}
}