DEFINITION MODULE CLibrary;

(*
    Title: 	Interface to the routines in unix libm
    LastEdit:	"Tue Aug 20 14:30:00 1985"
    Author: 	Alan Jones,T72,232,322723
		Cambridge University Computer Laboratory
*)

(* IMPORTANT NOTE:
   
   If this module is imported, 
   the program must be linked with -lm -lc options to m2l.
*)

EXPORT QUALIFIED Ln;

PROCEDURE Ln (x : REAL) : REAL;
(* Natural log as implemented by unix C libm *)

END CLibrary.
