is_positive_integer_power_of_two

mathtools.is_positive_integer_power_of_two(expr)

Is true when expr is a positive integer power of 2.

>>> for n in range(10):
...     print(n, mathtools.is_positive_integer_power_of_two(n))
...
0 False
1 True
2 True
3 False
4 True
5 False
6 False
7 False
8 True
9 False

Otherwise false.

Returns true or false.