1 files changed, 33 insertions, 0 deletions
diff --git a/gnuradio-runtime/python/gnuradio/gru/mathmisc.py b/gnuradio-runtime/python/gnuradio/gru/mathmisc.py
new file mode 100644
index 0000000000..7e6f23a346
--- /dev/null
+++ b/gnuradio-runtime/python/gnuradio/gru/mathmisc.py
@@ -0,0 +1,33 @@
+#
+# Copyright 2005 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+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)