X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/4d5f39ea1ae1eff1d8eadf7875851be467e40a47..d8214dc258396483f72533504515a4e1d1b3deef:/interpretor/beam.ml

diff --git a/interpretor/beam.ml b/interpretor/beam.ml
index a4f22b8..c4c3b9e 100644
--- a/interpretor/beam.ml
+++ b/interpretor/beam.ml
@@ -25,6 +25,10 @@ class beam : signal_type array -> beam_type =
 	  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)
@@ -96,4 +100,14 @@ class beam : signal_type array -> beam_type =
 	      in
 	      let () = print_string error_message in
 	      transpose (Array.sub container 0 !index)
+
+      method frequency : int array = 
+	let each_rate : signal -> int = 
+	  fun (s : signal) -> 
+	    let rate = s#frequency in
+	    if rate > 0 then rate
+	    else if rate = 0 then 44100
+	    else raise (Beam_matching "frequency error.") in	
+	Array.map each_rate self#get 
+
     end