Nathalie:
A compiler and system independent random generator is at:
http://www.lecb.ncifcrf.gov/~toms/delila/tstrnd.html
Note that the current gpc probably still can't handle gotos that jump to the end of the code (it's supposed to come on the next release), so it it yells about this, just remove the goto.
Tom
Dr. Thomas D. Schneider National Cancer Institute Laboratory of Experimental and Computational Biology Frederick, Maryland 21702-1201 toms@ncifcrf.gov permanent email: toms@alum.mit.edu http://www.lecb.ncifcrf.gov/~toms/