diff options
Diffstat (limited to 'gr-trellis/src/examples/python/test_viterbi_equalization1.py')
-rwxr-xr-x | gr-trellis/src/examples/python/test_viterbi_equalization1.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gr-trellis/src/examples/python/test_viterbi_equalization1.py b/gr-trellis/src/examples/python/test_viterbi_equalization1.py index 16c130a78c..4421e370a4 100755 --- a/gr-trellis/src/examples/python/test_viterbi_equalization1.py +++ b/gr-trellis/src/examples/python/test_viterbi_equalization1.py @@ -2,13 +2,18 @@ from gnuradio import gr from gnuradio import trellis, digital, filter -from gnuradio import analog from gnuradio import eng_notation import math import sys import random import fsm_utils +try: + from gnuradio import analog +except ImportError: + sys.stderr.write("Error: Program requires gr-analog.\n") + sys.exit(1) + def run_test (f,Kb,bitspersymbol,K,channel,modulation,dimensionality,tot_constellation,N0,seed): tb = gr.top_block () L = len(channel) |