Swift version: 5.2
The Float
and CGFloat
data types sound so similar you might think they were identical, but they aren't: CGFloat
is flexible in that its precision adapts to the type of device it's running on, whereas Float
is always a fixed precision. Thus, you never lose precision converting from Float
to CGFloat
, whereas you might going the other way.
To convert, just use the CGFloat
constructor, like this:
let myCGFloat = CGFloat(myFloat)
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Available from iOS 7.0
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
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