SbVec4f(3) on Linux
The text 85f30e1d0225, as Debian 6.0 (Squeeze) shipped it.
The SbVec4f class is a 4 dimensional vector with floating point coordinates. This vector class is used by many other classes in Coin. It provides storage for a 3 dimensional homogeneoues vector (with the 4 components usually referred to as <x, y, z, w>) aswell as simple floating point arithmetic operations.