misc.h

/*
 * This file is part of libCP
 * FILE:                misc.h
 * AUTHOR:              Harald Studer <hs@lexip.ch>
 *                      Mathias Herzog <mathu@gmx.ch>
 *
 *
 * Copyright (c) 2004, The libCP project
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your opinion) 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
#ifndef _MISC_H_
#define _MISC_H_

#include <cmath>

namespace LIBCP{

class Misc{

public:
    static bool isPowerOfTwo( double number, int &m )
        {
            m = (int)( log( number ) / log( 2.0 ) );
            //cout << "m = " << m << endl;
            if( pow( 2.0, m ) != number ){
                return false;
            }
            else{
                return true;
            }
        }

};

} //end of namespace Misc

#endif

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