Panorama 360 iPod Touch & iPhone

/*
 * This file is part of the PanoramaGL library.
 *
 *  Author: Javier Baez <javbaezga@gmail.com>
 *
 *  $Id$
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of
 * the License
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

#import "PLStructs.h"

@interface PLMath : NSObject 

+ (float)distanceBetweenPoints:(CGPoint)point1 :(CGPoint)point2;

+ (float)valueInRange:(float)value range:(PLRange)range;

+ (float)normalizeAngle:(float)angle range:(PLRange)range;
+ (float)normalizeFov:(float)fov range:(PLRange)range;

+ (BOOL)isPowerOfTwo:(int)value;

@end