diff options
Diffstat (limited to 'gr-trellis/src/examples/python/test_turbo_equalization2.py')
-rwxr-xr-x | gr-trellis/src/examples/python/test_turbo_equalization2.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gr-trellis/src/examples/python/test_turbo_equalization2.py b/gr-trellis/src/examples/python/test_turbo_equalization2.py index 52f33da498..fb0a899eba 100755 --- a/gr-trellis/src/examples/python/test_turbo_equalization2.py +++ b/gr-trellis/src/examples/python/test_turbo_equalization2.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 make_rx(tb,fo,fi,dimensionality,tot_constellation,K,interleaver,IT,Es,N0,type): scale = gr.multiply_const_ff(math.sqrt(1.0/N0)) gnd = gr.vector_source_f([0],True); |