UTMacros.h

//
//  UTMacros.h
//  Ring Finder
//
//  Created by Daniel Morrow on 5/26/10.
//  Copyright 2010 __MyCompanyName__. All rights reserved.
//

#import <UIKit/UIKit.h>

///////////////////////////////////////////////////////////////////////////////////////////////////
// Safe releases

#define UT_RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }
#define UT_INVALIDATE_TIMER(__TIMER) { [__TIMER invalidate]; __TIMER = nil; }

// Release a CoreFoundation object safely.
#define UT_RELEASE_CF_SAFELY(__REF) { if (nil != (__REF)) { CFRelease(__REF); __REF = nil; } }

#define FWRAP(x) [NSNumber numberWithFloat:x]

#define RADIANS( degrees ) ( degrees * M_PI / 180 )
#define DEGREES( radians ) ( radians * 180 / M_PI )

// DLog is almost a drop-in replacement for NSLog
// DLog();
// DLog(@"here");
// DLog(@"value: %d", x);
// Unfortunately this doesn't work DLog(aStringVariable); you have to do this instead DLog(@"%@", aStringVariable);
#ifdef DEBUG
#	define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
#else
#	define DLog(...)
#endif

// ALog always displays output regardless of the DEBUG setting
#define ALog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);

#define IS_RETINA  ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] && [[UIScreen mainScreen] scale] >= 2)