SbBox2f(3) on Linux
The text 27cad98217ce, as Debian 8 (Jessie) shipped it.
The SbBox2f class is a 2 dimensional box with floating point corner coordinates. This box class is used by many other classes in Coin for data exchange and storage. It provides two box corners with floating point coordinates, which is among other things useful for representing screen or canvas dimensions in normalized coordinates.