Complex.cxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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 "Complex.hxx"

// remove me
#include <iostream>

namespace CLAM
{

        std::istream& operator >> (std::istream & is, Complex & a)
        {
                if (is.flags() & std::ios::skipws) {
                        char c = '\0';
                        do
                                is.get(c);
                        while (is && isspace(c));
                        if (is) is.putback(c);
                }
                char c = '\0';
                is >> c;
                if (c!='{') {
                        if (is) is.putback(c);
        //                      std::cerr << "A complex starting with '" << c << "'" << std::endl;
                        return is;
                }
                TData x;
                TData y;
                if (!(is >> x)) return is;
                if (!(is >> y)) return is;
                if (is.flags() & std::ios::skipws) {
                        char c = '\0';
                        do
                                is.get(c);
                        while (is && isspace(c));
                        if (is) is.putback(c);
                }
                if (!is.get(c) || c!='i') return is;
                if (is.flags() & std::ios::skipws) {
                        char c = '\0';
                        do
                                is.get(c);
                        while (is && isspace(c));
                        if (is) is.putback(c);
                }
                if (!is.get(c) || c!='}') return is;

                a.SetReal(x);
                a.SetImag(y);
                return is;
        }

        std::ostream& operator << (std::ostream & os, const Complex & a)
        {
                return os
                        << "{"
                        << a.Real()
                        << " "
                        << a.Imag()
                        << "i}";
        }

} // namespace CLAM