# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. # CPUTIME -- Return the difference between the current cpu time consumed # and the argument, in long integer milliseconds. long procedure cputime (old_cputime) long old_cputime, new_cputime long clk_time begin call zgtime (clk_time, new_cputime) return (new_cputime - old_cputime) end