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# 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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