IOSAnimation

#ifdef DEBUG

#define DLog(...) NSLog(@"%s(%x) %@", __PRETTY_FUNCTION__, self, [NSString stringWithFormat:__VA_ARGS__])

#define ALog(...) [[NSAssertionHandler currentHandler] handleFailureInFunction:[NSString stringWithCString:__PRETTY_FUNCTION__ encoding:NSUTF8StringEncoding] file:[NSString stringWithCString:__FILE__ encoding:NSUTF8StringEncoding] lineNumber:__LINE__ description:__VA_ARGS__]

#else

#define DLog(...) do { } while (0)

#ifndef NS_BLOCK_ASSERTIONS

#define NS_BLOCK_ASSERTIONS

#endif

#define ALog(...) NSLog(@"%s(%x) %@", __PRETTY_FUNCTION__, self, [NSString stringWithFormat:__VA_ARGS__])

#endif

#define ZAssert(condition, ...) do { if (!(condition)) { ALog(__VA_ARGS__); }} while(0)

#define ISRETINADISPLAY (([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) ? [[UIScreen mainScreen] scale] >1.0 : NO)

#define degreesToRadians(x) (M_PI * x / 180.0)