C	COUPLED CHANNELS CODE--CHUCK3-VERSION 01/JULY/1978.  
C	J.R. COMFORT EXTENDED VERSION 25/JUNE/1979.
C	M.N. HARAKEH EXTENDED VERSION 1/JANUARY/1982.
C	M. ELVERS AND J. ENDRES MODIFIED VERSION 10/NOVEMBER/2009.

To compile on linux:
* make 
* run test file: ./chuck < input.com > output.dat
* compare output.dat with output.old