CQRlib For Mac Publisher's description
from Herbert J Bernstein
CQRlib is an ANSI C implementation of a utility library for quaternion arithmetic and quaternion rotation math.
CQRlib is an ANSI C implementation of a utility library for quaternion arithmetic and quaternion rotation math. See
* "Quaternions and spatial rotation", Wikipedia http://en.wikipedia.org/wiki/Quaternions_and_spatial_rotation
* K. Shoemake, "Quaternions", Department of Computer Science, University of Pennsylvania, Philadelphia, PA 19104, ftp://ftp.cis.upenn.edu/pub/graphics/shoemake/quatut.ps.Z
* K. Shoemake, "Animating rotation with quaternion curves", ACM SIGGRAPH Computer Graphics, Vol 19, No. 3, pp 245--254, 1985.
What's New in This Release:В· added functions for log, exp, power and root,
В· added a macro form of the norm and fixed the macro for inverse.
System Requirements:No special requirements.
Program Release Status: Minor Update
Program Install Support: Install and Uninstall