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Fix off-by-one error with size of hash space #13

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merged 2 commits into from
Feb 26, 2025

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martinsumner
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As the previous code used truncated floats to calculate, and the the numbers are bigger than 2 ^ 53, the off-by-one error never mattered due to approximation:

i.e.

1> trunc(math:pow(2, 160) - 1) == trunc(math:pow(2,160)).
true

But relying on this is confusing.

As the previous code used truncated floats to calculate, and the the numbers are bigger than 2 ^ 53, the off-by-one error never mattered due to approximation:

i.e.

```erlang
1> trunc(math:pow(2, 160) - 1) == trunc(math:pow(2,160)).
true
```

But relying on this is confusing.
@martinsumner martinsumner merged commit e531e59 into openriak-3.4 Feb 26, 2025
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@martinsumner martinsumner deleted the nhse-o34-core.i17-offbyone branch February 26, 2025 14:27
hmmr pushed a commit to TI-Tokyo/riak_core that referenced this pull request Mar 15, 2025
…atetypes

Correct types on get_modstate/1
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2 participants