diff options
Diffstat (limited to 'gr-digital/python/digital/qa_constellation.py')
| -rw-r--r-- | gr-digital/python/digital/qa_constellation.py | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/gr-digital/python/digital/qa_constellation.py b/gr-digital/python/digital/qa_constellation.py index 42e49bb059..3436ce6f45 100644 --- a/gr-digital/python/digital/qa_constellation.py +++ b/gr-digital/python/digital/qa_constellation.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + import random, math from cmath import exp, pi, log, sqrt @@ -51,7 +53,7 @@ def twod_constell(): def threed_constell(): oned_points = ((1+0j), (0+1j), (-1+0j), (0-1j)) points = [] - r4 = range(0, 4) + r4 = list(range(0, 4)) for ia in r4: for ib in r4: for ic in r4: @@ -143,7 +145,7 @@ def tested_constellations(easy=True, medium=True, difficult=True): diff_poss = (True, False) else: diff_poss = (False,) - poss_args = [[argname, argvalues, 0] for argname, argvalues in poss_args.items()] + poss_args = [[argname, argvalues, 0] for argname, argvalues in list(poss_args.items())] for current_diff in diff_poss: # Add an index into args to keep track of current position in argvalues while True: @@ -211,7 +213,7 @@ class test_constellation(gr_unittest.TestCase): table = digital.soft_dec_table_generator(digital.sd_psk_4_0, prec, Es) c.set_soft_dec_lut(table, prec) - x = sqrt(2.0)/2.0 + x = sqrt(2.0) / 2.0 step = (x.real+x.real) / (2**prec - 1) samples = [ -x-x*1j, -x+x*1j, x+x*1j, x-x*1j, @@ -253,7 +255,7 @@ class test_constellation(gr_unittest.TestCase): table = digital.soft_dec_table(constel, code, prec) c.gen_soft_dec_lut(prec) - x = sqrt(2.0)/2.0 + x = sqrt(2.0) / 2.0 step = (x.real+x.real) / (2**prec - 1) samples = [ -x-x*1j, -x+x*1j, x+x*1j, x-x*1j, @@ -293,7 +295,7 @@ class test_constellation(gr_unittest.TestCase): table = digital.soft_dec_table(constel, code, prec) c.gen_soft_dec_lut(prec) - x = sqrt(2.0)/2.0 + x = sqrt(2.0) / 2.0 step = (x.real+x.real) / (2**prec - 1) samples = [ -x-x*1j, -x+x*1j, x+x*1j, x-x*1j, @@ -322,9 +324,9 @@ class mod_demod(gr.hier_block2): # that they can work with shorts and ints as well as chars. raise ValueError("Constellation cannot contain more than 256 points.") - gr.hier_block2.__init__(self, "mod_demod", - gr.io_signature(1, 1, gr.sizeof_char), # Input signature - gr.io_signature(1, 1, gr.sizeof_char)) # Output signature + gr.hier_block2.__init__(self, "mod_demod", + gr.io_signature(1, 1, gr.sizeof_char), # Input signature + gr.io_signature(1, 1, gr.sizeof_char)) # Output signature arity = constellation.arity() |