diff options
Diffstat (limited to 'gr-trellis/src')
| -rwxr-xr-x | gr-trellis/src/examples/fsm_utils.py | 7 | ||||
| -rwxr-xr-x | gr-trellis/src/examples/test_cpm.py | 15 |
2 files changed, 16 insertions, 6 deletions
diff --git a/gr-trellis/src/examples/fsm_utils.py b/gr-trellis/src/examples/fsm_utils.py index e3426637c..e9243f899 100755 --- a/gr-trellis/src/examples/fsm_utils.py +++ b/gr-trellis/src/examples/fsm_utils.py @@ -26,10 +26,15 @@ import math import sys import operator import numpy -import scipy.linalg from gnuradio import trellis +try: + import scipy.linalg +except ImportError: + print "Error: Program requires scipy (see: www.scipy.org)." + sys.exit(1) + ###################################################################### diff --git a/gr-trellis/src/examples/test_cpm.py b/gr-trellis/src/examples/test_cpm.py index ec432d4ff..b5bdaae44 100755 --- a/gr-trellis/src/examples/test_cpm.py +++ b/gr-trellis/src/examples/test_cpm.py @@ -13,10 +13,15 @@ from gnuradio.gr import firdes from grc_gnuradio import blks2 as grc_blks2 import math import numpy -import scipy.stats import fsm_utils from gnuradio import trellis +try: + import scipy.stats +except ImportError: + print "Error: Program requires scipy (see: www.scipy.org)." + sys.exit(1) + def run_test(seed,blocksize): tb = gr.top_block() @@ -83,7 +88,7 @@ def run_test(seed,blocksize): ################################################## # Blocks ################################################## - random_source_x_0 = gr.vector_source_b(data, False) + random_source_x_0 = gr.vector_source_b(data.tolist(), False) gr_chunks_to_symbols_xx_0 = gr.chunks_to_symbols_bf((-1, 1), 1) gr_interp_fir_filter_xxx_0 = gr.interp_fir_filter_fff(Q, p) gr_frequency_modulator_fc_0 = gr.frequency_modulator_fc(2*math.pi*h*(1.0/Q)) @@ -96,9 +101,9 @@ def run_test(seed,blocksize): # only works for N=2, do it manually for N>2... gr_fir_filter_xxx_0_0 = gr.fir_filter_ccc(Q, MF[0].conjugate()) gr_fir_filter_xxx_0_0_0 = gr.fir_filter_ccc(Q, MF[1].conjugate()) - gr_streams_to_stream_0 = gr.streams_to_stream(gr.sizeof_gr_complex*1, N) - gr_skiphead_0 = gr.skiphead(gr.sizeof_gr_complex*1, N*(1+0)) - viterbi = trellis.viterbi_combined_cb(f, head+blocksize+tail, 0, -1, N, constellation, trellis.TRELLIS_EUCLIDEAN) + gr_streams_to_stream_0 = gr.streams_to_stream(gr.sizeof_gr_complex*1, int(N)) + gr_skiphead_0 = gr.skiphead(gr.sizeof_gr_complex*1, int(N*(1+0))) + viterbi = trellis.viterbi_combined_cb(f, head+blocksize+tail, 0, -1, int(N), constellation, trellis.TRELLIS_EUCLIDEAN) gr_vector_sink_x_0 = gr.vector_sink_b() |