HOL interface to cddlib to provide a faster linear prover.

   http://www.ifor.math.ethz.ch/~fukuda/cdd_home/

Once cddlib is installed, just do "make" in this directory,
and then load "LP_arith/lp_arith.ml" into HOL Light.

(c) Lars Schewe (schewe@mathematik.tu-darmstadt.de), 2007
