From e854889b99b9e515dc69d237b1031b5705e83b60 Mon Sep 17 00:00:00 2001
From: Thomas Grill <xovo@users.sourceforge.net>
Date: Wed, 9 Mar 2005 04:58:11 +0000
Subject: fixes for detached operation and single-threaded version use lock
 count instead of message queuing to avoid py->py messaging deadlock support
 for buffer objects (preliminary) updated build system little restructuring
 fixes for single-threaded compilation added support for numarray

svn path=/trunk/; revision=2610
---
 externals/grill/py/scripts/buffer.py | 46 ++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 externals/grill/py/scripts/buffer.py

(limited to 'externals/grill/py/scripts/buffer.py')

diff --git a/externals/grill/py/scripts/buffer.py b/externals/grill/py/scripts/buffer.py
new file mode 100644
index 00000000..4c81caab
--- /dev/null
+++ b/externals/grill/py/scripts/buffer.py
@@ -0,0 +1,46 @@
+# py/pyext - python script objects for PD and MaxMSP
+#
+# Copyright (c) 2002-2005 Thomas Grill (gr@grrrr.org)
+# For information on usage and redistribution, and for a DISCLAIMER OF ALL
+# WARRANTIES, see the file, "license.txt," in this distribution.  
+#
+
+"""This is an example script for the py/pyext object's buffer support.
+
+PD/Max buffers can be imported to and exported from numarray arrays.
+For numarray see http://numeric.scipy.org
+It will probably once be replaced by Numeric
+
+- _import(buffer): copy contents from the buffer to a new numarray object
+- _export(buffer,numarray): export contents of numarray object to the buffer
+"""
+
+import sys
+
+try:
+    import pyext
+except:
+    print "ERROR: This script must be loaded by the PD/Max pyext external"
+
+try:    
+    from numarray import *
+except:
+    print "Failed importing numarray module:",sys.exc_value
+
+def mul(*args):
+    c = pyext.Buffer(args[0])
+    dst = c.array()
+    dst[:] = 0
+    a = pyext.Buffer(args[1]).array()
+    b = pyext.Buffer(args[2]).array()
+    dst += a*b
+    c.dirty()   
+
+def add(*args):
+    c = pyext.Buffer(args[0])
+    dst = c.array()
+    dst[:] = 0
+    a = pyext.Buffer(args[1]).array()
+    b = pyext.Buffer(args[2]).array()
+    dst += a+b
+    c.dirty()   
-- 
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