Below is how I would have previously truncated a float to two decimal places
NSLog(@\" %.02f %.02f %.02f\", r, g, b);
I checked the docs an
A more elegant and generic solution is to rewrite ruby / python % operator:
%
// Updated for beta 5 func %(format:String, args:[CVarArgType]) -> String { return NSString(format:format, arguments:getVaList(args)) } "Hello %@, This is pi : %.2f" % ["World", M_PI]