title: Is there a constant for the maximum CGFloat value?
body: <p>I need to create a CGSize to compute text height of an arbitrary text with arbitrary length. UIKit has this nice method -sizeWithFont:constrainedToSize: and my text is only constrained in width, but not in height.</p>
  
  <p>For this, I need to set the maximum possible CGFloat for the height.</p>
  
  <p>Is there a constant like "CGFloatMax"?</p>