Add abstrat type matrix and data.

diff --git a/interpretor/beam.ml b/interpretor/beam.ml
index 6e56170..bec7ed0 100644 (file)
--- a/interpretor/beam.ml
+++ b/interpretor/beam.ml
@@ -70,7 +70,7 @@ class beam : signal_type array -> beam_type =
          let signal_at = fun (t : time) -> fun (s : signal_type) -> s#at t in
          Array.map (signal_at t) self#get
 
-      method output : int -> float array array array = 
+      method output : int -> data = 
          fun (length_max : int) ->
            let transpose : 'a array array -> 'a array array = 
              fun matrix ->

diff --git a/interpretor/faustio.ml b/interpretor/faustio.ml
index 8518b5b..7df74a6 100644 (file)
--- a/interpretor/faustio.ml
+++ b/interpretor/faustio.ml
@@ -24,13 +24,13 @@ class virtual io =
          _basename <- basename; _dir <- dir
 
     method virtual read : string array -> beam
-    method virtual write : rate array -> float array array array -> string array
+    method virtual write : rate array -> data -> string array
     
-    method private concat : float array array array -> float array array = 
-      fun (origin : float array array array) ->
+    method private concat : data -> matrix = 
+      fun (origin : data) ->
        Array.map Array.concat (Array.map Array.to_list origin)
 
-    method private channels : float array array array -> int array = 
+    method private channels : data -> int array = 
       fun data ->
        let get_channel = fun s -> 
          let l = Array.length s in
@@ -66,9 +66,9 @@ class waveio : io_type =
            array_map2 (new signal) rates (Array.map stream2func containers) in
          new beam signals
 
-    method write : rate array -> float array array array -> string array = 
+    method write : rate array -> data -> string array = 
       fun (rates : rate array) ->
-       fun (output : float array array array) ->
+       fun (output : data) ->
          let n = Array.length output in          
          let paths = Array.init n (fun i -> 
            _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".wav") in
@@ -121,9 +121,9 @@ class csvio : io_type =
        let signals = Array.map self#csvread files in
        new beam signals
 
-    method write : rate array -> float array array array -> string array = 
+    method write : rate array -> data -> string array = 
       fun (rates : rate array) ->
-       fun (data : float array array array) ->
+       fun (data : data) ->
          let paths = 
            let n = Array.length data in
            let path_pattern = fun i -> 
@@ -185,9 +185,9 @@ class iomanager =
            wave#set _dir _basename;
            csv#set _dir _basename
 
-    method write : rate array -> float array array array -> string array = 
+    method write : rate array -> data -> string array = 
       fun (rates : rate array) ->
-       fun (data : float array array array) ->
+       fun (data : data) ->
          if _format = "" then
            raise (Invalid_argument "output format unset.")
          else if _format = "wav" then 

diff --git a/interpretor/types.ml b/interpretor/types.ml
index 620cde5..0b7cfde 100644 (file)
--- a/interpretor/types.ml
+++ b/interpretor/types.ml
@@ -133,6 +133,9 @@ class type signal_type =
       method prefix : signal_type -> signal_type
     end;;
 
+type matrix = float array array;;
+
+type data = float array array array;;
 
 class type beam_type =
     object
@@ -143,7 +146,7 @@ class type beam_type =
       method append : beam_type -> beam_type
       method matching : int -> beam_type
       method at : time -> value_type array
-      method output : int -> float array array array
+      method output : int -> data
       method frequency : rate_type array
     end;;
 
@@ -173,5 +176,5 @@ class type io_type =
     object
       method set : string -> string -> unit
       method read : string array -> beam_type
-      method write : rate_type array -> float array array array -> string array
+      method write : rate_type array -> data -> string array
     end;;