FOREIGN DEFINITION MODULE FREXP;
(* UNIX versions are INTERFACE --- this for the pc interpreter.  *)
(* interface to the standard C functions which manipulate REALs  *)
(* there is no need to specify that the implementation is in -lc *)

  PROCEDURE frexp(val : REAL; VAR exp : INTEGER) : REAL;
  (* returns the mantissa, and the exponent in exp *)

  PROCEDURE ldexp(val : REAL; exp : INTEGER) : REAL;
  (* returns val * 2^exp *)

  PROCEDURE modf(val : REAL; VAR iPart : REAL) : REAL;
  (* returns signed fraction part, and integer part in iPart *)

END FREXP.