3 # Copyright 2004,2007 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
23 from gnuradio import gr, gr_unittest
26 class test_interp_fir_filter (gr_unittest.TestCase):
29 self.tb = gr.top_block ()
35 taps = [1, 10, 100, 1000, 10000]
36 src_data = (0, 2, 3, 5, 7, 11, 13, 17)
38 xr = (0,0,0,0,2,20,200,2003,20030,300,3005,30050,500,5007,50070,700,7011,70110,1100,11013,110130,1300,13017,130170)
39 expected_result = tuple ([float (x) for x in xr])
41 src = gr.vector_source_f (src_data)
42 op = gr.interp_fir_filter_fff (interpolation, taps)
43 dst = gr.vector_sink_f ()
44 self.tb.connect (src, op)
45 self.tb.connect (op, dst)
47 result_data = dst.data ()
48 L = min(len(result_data), len(expected_result))
49 self.assertEqual (expected_result[0:L], result_data[0:L])
52 if __name__ == '__main__':