A snippet from their README file:
University of Manchester
The NURBS Library
Computer Graphics Unit
Manchester Computing Centre
David Yip & Terry Hewitt
Non-Uniform Rational B-splines (NURBS) have been adopted by a number of
international standards over recent years: PHIGS PLUS, STEP, CGM Addenda,
and GKS Review. These groups have identified NURBS as the technology for
curve and surface representation. The NURBS library is a collection of
functions and routines to exploit this technology.
comments/suggestions to:
ddyer@realmy home page