Refactoring of Signal class by adding a rate class.

[Faustine.git] / interpretor / beam.ml

diff --git a/interpretor/beam.ml b/interpretor/beam.ml
index f9ea667..6e56170 100644 (file)
--- a/interpretor/beam.ml
+++ b/interpretor/beam.ml
@@ -72,9 +72,6 @@ class beam : signal_type array -> beam_type =
 
       method output : int -> float array array array = 
          fun (length_max : int) ->
-           let () = print_string("    Faustine -> Calculating...") in
-           let tic = Sys.time () in
-
            let transpose : 'a array array -> 'a array array = 
              fun matrix ->
                let get_element = fun i -> fun array -> array.(i) in
@@ -91,33 +88,20 @@ class beam : signal_type array -> beam_type =
                container.(!index) <- Array.map value2float (self#at !index);
                incr index;
              done;
-             let result = transpose container in
-             let toc = Sys.time () in
-             let () = print_endline (" Done. (duration: " ^ (string_of_float (toc -. tic)) ^ "s.)") in
-             result
+             transpose container
 
            with x ->
-             let error_message = 
                match x with
-               | Convert_Error s -> "Convert_Error: " ^ s
-               | Basic_operation s -> "Basic_operation: " ^ s
-               | Signal_operation s -> "Signal_operation: " ^ s
-               | Beam_matching s -> "Beam_Matching_Error: " ^ s
-               | Invalid_argument s -> ""
-               | _ -> "Unknown error"
-             in
-             let () = print_string (error_message) in
-             let result = transpose (Array.sub container 0 !index) in
-             let toc = Sys.time () in
-             let () = print_endline (" Done. (duration: " ^ (string_of_float (toc -. tic)) ^ "s.)") in
-             result
-
-      method frequency : int array = 
-       let each_rate : signal -> int = 
+               | Invalid_argument s -> 
+                   transpose (Array.sub container 0 !index)
+               | _ -> raise x
+
+      method frequency : rate_type array = 
+       let each_rate : signal -> rate = 
          fun (s : signal) -> 
            let rate = s#frequency in
-           if rate > 0 then rate
-           else if rate = 0 then 44100
+           if rate#num > 0 then rate
+           else if rate#num = 0 then new rate 44100 1
            else raise (Beam_matching "frequency error.") in    
        Array.map each_rate self#get