7 files changed, 13 insertions, 35 deletions
diff --git a/gnuradio-runtime/python/gnuradio/gru/CMakeLists.txt b/gnuradio-runtime/python/gnuradio/gru/CMakeLists.txt
index 8e6e150bbf..d7d05ec86a 100644
--- a/gnuradio-runtime/python/gnuradio/gru/CMakeLists.txt
+++ b/gnuradio-runtime/python/gnuradio/gru/CMakeLists.txt
@@ -12,7 +12,6 @@ GR_PYTHON_INSTALL(FILES
     freqz.py
     gnuplot_freqz.py
     hexint.py
-    mathmisc.py
     msgq_runner.py
     daemon.py
     DESTINATION ${GR_PYTHON_DIR}/gnuradio/gru
diff --git a/gnuradio-runtime/python/gnuradio/gru/__init__.py b/gnuradio-runtime/python/gnuradio/gru/__init__.py
index a7684b3c5b..5f20c17aa1 100644
--- a/gnuradio-runtime/python/gnuradio/gru/__init__.py
+++ b/gnuradio-runtime/python/gnuradio/gru/__init__.py
@@ -5,5 +5,4 @@ from .daemon import *
 from .freqz import *
 from .gnuplot_freqz import *
 from .hexint import *
-from .mathmisc import *
 from .msgq_runner import *
diff --git a/gnuradio-runtime/python/gnuradio/gru/mathmisc.py b/gnuradio-runtime/python/gnuradio/gru/mathmisc.py
deleted file mode 100644
index 86594db087..0000000000
--- a/gnuradio-runtime/python/gnuradio/gru/mathmisc.py
+++ /dev/null
@@ -1,21 +0,0 @@
-#
-# Copyright 2005 Free Software Foundation, Inc.
-#
-# This file is part of GNU Radio
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-#
-
-import math
-
-def gcd(a,b):
-    while b:
-        a,b = b, a % b
-    return a
-
-def lcm(a,b):
-    return a * b // gcd(a, b)
-
-def log2(x):
-    return math.log(x) / math.log(2)
diff --git a/gr-audio/examples/python/test_resampler.py b/gr-audio/examples/python/test_resampler.py
index 72622714d4..e97836c61a 100644
--- a/gr-audio/examples/python/test_resampler.py
+++ b/gr-audio/examples/python/test_resampler.py
@@ -8,7 +8,8 @@
 #
 #
 
-from gnuradio import gr, gru
+import math
+from gnuradio import gr
 from gnuradio import audio
 from gnuradio import filter
 from gnuradio.eng_arg import eng_float, intx
@@ -42,8 +43,8 @@ class my_top_block(gr.top_block):
         input_rate = int(args.input_rate)
         output_rate = int(args.output_rate)
 
-        interp = gru.lcm(input_rate, output_rate) // input_rate
-        decim = gru.lcm(input_rate, output_rate) // output_rate
+        interp = output_rate // math.gcd(input_rate, output_rate)
+        decim = input_rate // math.gcd(input_rate, output_rate)
 
         print("interp =", interp)
         print("decim  =", decim)
diff --git a/gr-digital/python/digital/packet_utils.py b/gr-digital/python/digital/packet_utils.py
index b79994b667..84566c5d40 100644
--- a/gr-digital/python/digital/packet_utils.py
+++ b/gr-digital/python/digital/packet_utils.py
@@ -8,11 +8,11 @@
 #
 
 
+import math
 import struct
 
 import numpy
 
-from gnuradio import gru
 from . import crc
 
 
@@ -166,7 +166,7 @@ def _npadding_bytes(pkt_byte_len, samples_per_symbol, bits_per_symbol):
         number of bytes of padding to append.
     """
     modulus = 128
-    byte_modulus = gru.lcm(modulus // 8, samples_per_symbol) * bits_per_symbol // samples_per_symbol
+    byte_modulus = (modulus // 8) // math.gcd(modulus // 8, samples_per_symbol) * bits_per_symbol
     r = pkt_byte_len % byte_modulus
     if r == 0:
         return 0
diff --git a/gr-filter/python/filter/rational_resampler.py b/gr-filter/python/filter/rational_resampler.py
index d12db52047..1af9698e2b 100644
--- a/gr-filter/python/filter/rational_resampler.py
+++ b/gr-filter/python/filter/rational_resampler.py
@@ -8,7 +8,8 @@
 #
 
 
-from gnuradio import gr, gru
+import math
+from gnuradio import gr
 from . import filter_python as filter
 
 _plot = None
@@ -80,7 +81,7 @@ class _rational_resampler_base(gr.hier_block2):
         if taps is None and fractional_bw is None:
             fractional_bw = 0.4
 
-        d = gru.gcd(interpolation, decimation)
+        d = math.gcd(interpolation, decimation)
 
         # If we have user-provided taps and the interp and decim
         # values have a common divisor, we don't reduce these values
@@ -142,5 +143,3 @@ class rational_resampler_fcc(_rational_resampler_base):
         """
         _rational_resampler_base.__init__(self, filter.rational_resampler_base_fcc,
                                           interpolation, decimation, taps, fractional_bw)
-
-
diff --git a/gr-uhd/apps/uhd_rx_nogui b/gr-uhd/apps/uhd_rx_nogui
index 3fd9297c55..f477898fb7 100755
--- a/gr-uhd/apps/uhd_rx_nogui
+++ b/gr-uhd/apps/uhd_rx_nogui
@@ -48,6 +48,7 @@ Please see fm_demod.py and am_demod.py for details of the demodulation
 blocks.
 """
 
+import math
 import sys
 from argparse import ArgumentParser
 from gnuradio import gr, gru, uhd, audio
@@ -174,9 +175,9 @@ class app_top_block(gr.top_block):
             tail = ctcss
 
         if options.output_rate != audio_rate:
-            out_lcm = gru.lcm(audio_rate, options.output_rate)
-            out_interp = out_lcm // audio_rate
-            out_decim = out_lcm // options.output_rate
+            out_gcd = math.gcd(audio_rate, options.output_rate)
+            out_interp = options.output_rate // out_gcd
+            out_decim = audio_rate // out_gcd
             rsamp = filter.rational_resampler_fff(out_interp, out_decim)
             self.connect(tail, rsamp)
             tail = rsamp