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Update 0_beacon-chain.md

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Dean Eigenmann
2019-02-22 12:58:59 +01:00
committed by GitHub
parent 830ae3be9a
commit a8c3c45faf
1 changed files with 1 additions and 4 deletions
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5
specs/core/0_beacon-chain.md
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@@ -1028,10 +1028,7 @@ def is_power_of_two(value: int) -> bool:
"""
Check if ``value`` is a power of two integer.
"""
if value == 0:
return False
else:
return 2**int(math.log2(value)) == value
return (value > 0) && (value & (value - 1) == 0)
```
### `int_to_bytes1`, `int_to_bytes2`, ...