X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpretor/beam.ml

diff --git a/interpretor/beam.ml b/interpretor/beam.ml
deleted file mode 100644
index bec7ed0..0000000
--- a/interpretor/beam.ml
+++ /dev/null
@@ -1,108 +0,0 @@
-(**
- 	Module: Beam	
-	Description: beam definition and operations
-	@author WANG Haisheng	
-	Created: 21/07/2013	Modified: 21/07/2013
-*)
-
-exception Beam_matching of string;;
-
-open Types;;
-open Basic;;
-open Value;;
-open Signal;;
-
-class beam : signal_type array -> beam_type = 
-  fun (signals_init : signal_type array) ->
-    object (self)
-      val signals = signals_init
-
-      method get = signals
-      method width = Array.length signals
-
-      method sub : int -> int -> beam_type = 
-	fun start ->
-	  fun len ->
-	    new beam (Array.sub self#get start len)
-
-      method cut : int -> beam_type * beam_type =
-	fun (cut_width : int)->
-	  ((self#sub 0 cut_width),(self#sub cut_width (self#width - cut_width))) 
-
-      method append : beam_type -> beam_type =
-	fun (b : beam_type) -> 
-	  new beam (Array.append self#get b#get)
-
-      method private add_memory : int -> unit =
-	fun (window : int) ->
-	  let signal_add_memory : int -> signal_type -> unit = 
-	    fun (l : int) ->
-	      fun (s : signal) ->
-		s#add_memory l in
-	  let _ = Array.map (signal_add_memory window) self#get in ()
-	  
-      method matching : int -> beam_type = 
-	  fun size ->
-	    if size = self#width then new beam self#get
-
-	    else if (size > self#width) && (size mod self#width = 0) then
-	      let () = self#add_memory 1 in
-	      let split_signals = 
-		Array.concat (Array.to_list 
-		     (Array.make (size/self#width) self#get)) in
-	      new beam split_signals
-
-	    else if (size < self#width) && (self#width mod size = 0) then
-	      let rec merge_rec  = 
-		fun (sa : signal_type array) ->
-		  fun (l : int) ->
-		    fun (i : int) ->
-		      if i + l < Array.length sa then
-			(sa.(i))#add (merge_rec sa l (i + l))
-		      else sa.(i) in
-	      let merge_signals = Array.init size (merge_rec self#get size) in	
-	      new beam merge_signals
-
-	    else raise (Beam_matching "matching size error")
-
-      method at : time -> value_type array = 
-	fun t ->
-	  let signal_at = fun (t : time) -> fun (s : signal_type) -> s#at t in
-	  Array.map (signal_at t) self#get
-
-      method output : int -> data = 
-	  fun (length_max : int) ->
-	    let transpose : 'a array array -> 'a array array = 
-	      fun matrix ->
-		let get_element = fun i -> fun array -> array.(i) in
-		let get_column = fun m -> fun i -> Array.map (get_element i) m in
-		Array.init self#width (get_column matrix) in
-	    let value2float = fun (v : value_type) -> v#to_float_array in
-            let init = [|0.|] in
-	    let container = Array.make length_max 
-		(Array.make self#width init) in
-	    let index = ref 0 in
-
-	    try
-	      while !index < length_max do
-		container.(!index) <- Array.map value2float (self#at !index);
-		incr index;
-	      done;
-	      transpose container
-
-	    with x ->
-		match x with
-		| 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#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 
-
-    end