Returns whether a rectangle is infinite.
- iOS 2.0+
- macOS 10.4+
- tvOS 9.0+
- watchOS 2.0+
- Core Graphics
The rectangle to examine.
YES if the specified rectangle is infinite; otherwise,
An infinite rectangle is one that has no defined bounds. Infinite rectangles can be created as output from a tiling filter. For example, the Core Image framework perspective tile filter creates an image whose extent is described by an infinite rectangle.