#define

#define IS_IPAD    (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

#define POINT(_INDEX_) [(NSValue *)[points objectAtIndex:_INDEX_] CGPointValue]

#define RADIANS_TO_DEGREES(radians) ((radians) * (180.0 / M_PI))

#define RGBACOLOR(r,g,b,a) [UIColor colorWithRed:r/255.f green:g/255.f blue:b/255.f alpha:a]

#define ColorWithHexa(rgbValue) [UIColor colorWithRed:((rgbValue & 0xFF0000) >> 16)/255.0 \
                                        green:((rgbValue & 0xFF00) >> 8)/255.0 \

                                        blue:(rgbValue & 0xFF)/255.0 alpha:1.0]; \

#define RESIZABLE(_VIEW_) [_VIEW_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth]

#define DEGREES_TO_RADIANS(angle) ((angle) / 180.0 * M_PI)

#define RADIANS_TO_DEGREES(radians) ((radians) * (180.0 / M_PI))

// check iOS version

#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)

#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)

#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)

#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)

#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

#define DOCUMENTS_DIR ([NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject])


#define SCREEN_WIDTH ((([UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortrait) || ([UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortraitUpsideDown)) ? [[UIScreen mainScreen] bounds].size.width : [[UIScreen mainScreen] bounds].size.height)


#define SAFE_RELEASE(obj) ([obj release], obj = nil)

#define SAFE_TIMER_RELEASE(obj) ([obj invalidate]; [obj release]; obj = nil)

#define SAFE_ASSIGN(obj, expr) ([(expr) retain], [obj release], obj = (expr))