open Sigma
let last = Array.length Sys.argv - 1;;
if last < 1 then exit 0;;
match Sys.argv.(1) with
| "-carre" ->
let f x = let n = int_of_string x in n * n in
print_int (sigma f Sys.argv 2 last)
| "-moyenne" ->
let r = sigma int_of_string Sys.argv 2 last in
print_float (float r /. float (Array.length Sys.argv - 2))
| _ ->
print_int (sigma int_of_string Sys.argv 1 last)
;;
print_newline();; |
|