//Colours
  #define rgba(r,g,b,a) [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a/255.0]
  #define rgb(r,g,b) rgba(r,g,b,255)
  #define hex(val) [UIColor colorWithRed:((float)((val&0xFF0000)>>16))/255.0 green:((float)((val&0xFF00)>>8))/255.0 blue:((float)(val&0xFF))/255.0 alpha:1]
  #define bw(w,a) [UIColor colorWithWhite:w alpha:a]
  #define cgc(c) [c CGColor]
  #define black bw(0,1)
  #define white bw(1,1)
  #define transparent bw(0,0)
  
  //Primitive objects
  #define rect(x,y,w,h) CGRectMake(x,y,w,h)
  #define point(x,y)    CGPointMake(x,y)
  #define skewp(p)      CGPointMake(p.y,p.x)
  #define size(w,h)     CGSizeMake(w,h)
  #define range(s,l)    NSMakeRange(s,l)
  
  #define withRect(r,x,y,w,h) rect(r.origin.x+x, r.origin.y+y, r.size.width+w, r.size.height+h)
  #define withSize(s,w,h)     size(s.width+w,s.height+h)
  
  //Geometry
  #define xpos(v)       v.frame.origin.x
  #define ypos(v)       v.frame.origin.y
  #define center(v)     point(xpos(v)+width(v)/2,ypos(v)+height(v)/2)
  #define origin(v)     v.frame.origin
  #define width(v)      v.frame.size.width
  #define height(v)     v.frame.size.height
  #define inside(v,p)   (p.x>=xpos(v) and p.x<=xpos(v)+width(v)) and (p.y>=ypos(v) and p.y<=ypos(v)+height(v))
  
  //Device Information
  #define uid [[[UIDevice currentDevice] identifierForVendor] UUIDString]
  #define isIPad   (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
  #define isIPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
  #define isIPhone4 (fabs((double)[[UIScreen mainScreen]bounds].size.height-(double)480)<DBL_EPSILON)
  #define isIphone5 (fabs((double)[[UIScreen mainScreen]bounds].size.height-(double)568)<DBL_EPSILON)
  #define isIPhone6 (fabs((double)[[UIScreen mainScreen]bounds].size.height-(double)667)<DBL_EPSILON)
  #define isIPhone6p (fabs((double)[[UIScreen mainScreen]bounds].size.height-(double)736)<DBL_EPSILON)
  #define screen   [[UIScreen mainScreen] bounds].size
  
  //Threading
  #define runOnMainThread if (![NSThread isMainThread]) { dispatch_sync(dispatch_get_main_queue(), ^{ [self performSelector:_cmd]; }); return; };
  #define after(t,b) dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(t * NSEC_PER_SEC)), dispatch_get_main_queue(), b);
  #define async(b) dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), b);
  
  //String Operations
  #define format(base,...) [NSString stringWithFormat:base,##__VA_ARGS__]
  #define replace(base,in,out) [base stringByReplacingOccurrencesOfString:in withString:out]
  #define remap(base,rpl,range) [base replaceCharactersInRange:range withAttributedString:rpl]
  #define split(base,del) [base componentsSeparatedByString:del]
  #define charAt(base,index) [[base substringFromIndex:index] substringToIndex:1]
  
  //User defaults manipulation
  #define UDSet(k,o)     [[NSUserDefaults standardUserDefaults] setObject:o forKey:k]
  #define UDGet(k)       [[NSUserDefaults standardUserDefaults] objectForKey:k]
  #define UDSetBool(k,d) [[NSUserDefaults standardUserDefaults] setBool:d forKey:k]
  #define UDGetBool(k)   [[NSUserDefaults standardUserDefaults] boolForKey:k]
  #define UDSetInt(k,d)  [[NSUserDefaults standardUserDefaults] setInteger:d forKey:k]
  #define UDGetInt(k)    [[NSUserDefaults standardUserDefaults] integerForKey:k]
  #define UDSync()       [[NSUserDefaults standardUserDefaults] synchronize]
  
  //Notification Center Management
  #define NCAdd(n,s)      [[NSNotificationCenter defaultCenter] addObserver:self selector:s name:n object:nil]
  #define NCRemove()      [[NSNotificationCenter defaultCenter] removeObserver:self]
  #define NCNotify(n,o)   [[NSNotificationCenter defaultCenter] postNotificationName:n object:o]
  
  //Fonts
  #define font(t,s) [UIFont fontWithName:t size:s]
  
  //Timer
  #define TStart(p,sel) [NSTimer scheduledTimerWithTimeInterval:p target:self selector:sel userInfo:nil repeats:YES]
  #define TStop(t) [t invalidate]
  
  //Alerts
  #define alert(t,m,c,...) [[[UIAlertView alloc] initWithTitle:t message:m delegate:nil cancelButtonTitle:c otherButtonTitles:nil] show]
  #define alertD(t,m,c,...) [[[UIAlertView alloc] initWithTitle:t message:m delegate:self cancelButtonTitle:c otherButtonTitles:##__VA_ARGS__,nil] show]
  
  //Boolean Operators
  #define and &&
  #define or ||