The CTL(Color Transformation Language) interpreter contains
the following C++ libraries:

IlmCtl		The CTL interpreter front end and the interpreter's
		public programming interface.

IlmCtlSimd	The interpreter's SIMD back end.

IlmCtlMath	Math routines that are used by IlmCtlSimd: conversions
		between standard color spaces, 1D and 3D lookup tables,
		3D scattered data interpolation.

WWW:	http://www.oscars.org/council/ctl.html