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| author | Johannes Demel <ufcsy@student.kit.edu> | 2018-02-25 16:14:05 +0100 |
|---|---|---|
| committer | Michael Dickens <michael.dickens@ettus.com> | 2020-04-02 09:24:49 -0400 |
| commit | 85a2e0ec362fcc862bfdab898d6bdbd4200431bb (patch) | |
| tree | d2826c2d6f28111e96307a63e76cc191720c0534 /gr-fec/python | |
| parent | f2d3d412861e4b0e65ba4b3375f5aaf60ccf2660 (diff) | |
fec: make SciPy an optional dependency
This patch fixes issues like #1545 and #1539.
Basically if a module in fec.polar requires SciPy and fails to do ,
it overwrites the missing function with an approximate version
Diffstat (limited to 'gr-fec/python')
| -rw-r--r-- | gr-fec/python/fec/polar/channel_construction.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gr-fec/python/fec/polar/channel_construction.py b/gr-fec/python/fec/polar/channel_construction.py index 84e63871bc..d7958b1d9c 100644 --- a/gr-fec/python/fec/polar/channel_construction.py +++ b/gr-fec/python/fec/polar/channel_construction.py @@ -17,8 +17,13 @@ from __future__ import absolute_import from .channel_construction_bec import calculate_bec_channel_capacities from .channel_construction_bec import design_snr_to_bec_eta from .channel_construction_bec import bhattacharyya_bounds -from .channel_construction_awgn import tal_vardy_tpm_algorithm from .helper_functions import * +try: + from .channel_construction_awgn import tal_vardy_tpm_algorithm +except ImportError: + print("SciPy missing. Overwrite Tal-Vardy algorithm with BEC approximation") + def tal_vardy_tpm_algorithm(block_size, design_snr, mu): + return bhattacharyya_bounds(design_snr, block_size) Z_PARAM_FIRST_HEADER_LINE = "Bhattacharyya parameters (Z-parameters) for a polar code" |