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-rw-r--r--gr-digital/python/digital/utils/gray_code.py16
1 files changed, 9 insertions, 7 deletions
diff --git a/gr-digital/python/digital/utils/gray_code.py b/gr-digital/python/digital/utils/gray_code.py
index 926a1ded10..ad88274087 100644
--- a/gr-digital/python/digital/utils/gray_code.py
+++ b/gr-digital/python/digital/utils/gray_code.py
@@ -1,25 +1,27 @@
#!/usr/bin/env python
#
# Copyright 2011 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.
-#
+#
+from __future__ import division
+from __future__ import unicode_literals
class GrayCodeGenerator(object):
"""
Generates and caches gray codes.
@@ -41,7 +43,7 @@ class GrayCodeGenerator(object):
if len(self.gcs) < length:
self.generate_new_gray_code(length)
return self.gcs[:length]
-
+
def generate_new_gray_code(self, length):
"""
Generates new gray code and places into cache.
@@ -49,7 +51,7 @@ class GrayCodeGenerator(object):
while len(self.gcs) < length:
if self.i == self.lp2:
# if i is a power of two then gray number is of form 1100000...
- result = self.i + self.i/2
+ result = self.i + self.i // 2
else:
# if not we take advantage of the symmetry of all but the last bit
# around a power of two.