From cdc279627725255948c950f3a820aff5eadb9067 Mon Sep 17 00:00:00 2001
From: Clayton Smith <argilo@gmail.com>
Date: Sat, 27 Jul 2019 09:33:33 -0400
Subject: Fix division by zero in fm_preemph
---
gr-analog/python/analog/fm_emph.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'gr-analog/python/analog/fm_emph.py')
diff --git a/gr-analog/python/analog/fm_emph.py b/gr-analog/python/analog/fm_emph.py
index 602f1be3ea..9939235679 100644
--- a/gr-analog/python/analog/fm_emph.py
+++ b/gr-analog/python/analog/fm_emph.py
@@ -289,7 +289,7 @@ class fm_preemph(gr.hier_block2):
# That isn't what users are going to expect, so adjust with a
# gain, g, so that H(z = 1) = 1.0 for 0 dB gain at DC.
w_0dB = 2.0 * math.pi * 0.0
- g = abs(1.0 - p1 * cmath.rect(1.0 / -w_0dB)) \
+ g = abs(1.0 - p1 * cmath.rect(1.0, -w_0dB)) \
/ (b0 * abs(1.0 - z1 * cmath.rect(1.0, -w_0dB)))
btaps = [ g * b0 * 1.0, g * b0 * -z1 ]
--
cgit v1.2.3