/* csvorbis
 * Copyright (C) 2000 ymnk, JCraft,Inc.
 *
 * Written by: 2000 ymnk<ymnk@jcraft.com>
 * Ported to C# from JOrbis by: Mark Crichton <crichton@gimp.org>
 *
 * Thanks go to the JOrbis team, for licencing the code under the
 * LGPL, making my job a lot easier.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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 Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
using System;

namespace csvorbis {

	public static class VUtils {
		
		public static int ilog(int v) {
			int ret = 0;
			while(v != 0) {
				ret++;
				v = (int)((uint)v >> 1);
			}
			return ret;
		}

		public static int ilog2(int v) {
			int ret = 0;
			while(v > 1) {
				ret++;
				v = (int)((uint)v >> 1);
			}
			return ret;
		}
		
		public static int icount(int v) {
			int ret = 0;
			while(v != 0) {
				ret += (v&1);
				v = (int)((uint)v >> 1);
			}
			return ret;
		}
	}
}
