From ad5ee319810eae50990c0995176cf48b651b89ee Mon Sep 17 00:00:00 2001
From: WANG <wang@wang-OptiPlex-780.(none)>
Date: Fri, 6 Sep 2013 18:20:53 +0200
Subject: [PATCH] Add abstrat type matrix and data.

---
 interpretor/beam.ml    |  2 +-
 interpretor/faustio.ml | 20 ++++++++++----------
 interpretor/types.ml   |  7 +++++--
 3 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/interpretor/beam.ml b/interpretor/beam.ml
index 6e56170..bec7ed0 100644
--- 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
--- 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
--- 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;;
-- 
2.20.1