Fix bloom filter on 32-bit arch.
@@ -7,8 +7,11 @@ use std::{
ops::{Add, AddAssign},
};
+/// Number of bits for a `usize`.
+const USIZE_BITS: usize = mem::size_of::<usize>() * 8;
+
/// Number of `usize` values required for 256 bits.
-const SIZE: usize = (256 / 8) / mem::size_of::<usize>();
+const SIZE: usize = 256 / USIZE_BITS;
/// A simple bloom filter implementation for `u64` hash values only - i.e. all 64 bits are assumed
/// to be relatively random.
@@ -26,7 +29,7 @@ impl BloomFilterU64 {
#[must_use]
const fn calc_hash(value: u64) -> (usize, usize) {
let hash = (value & 0x00ff) as usize;
- (hash / 64, 0x01 << (hash % 64))
+ (hash / USIZE_BITS, 0x01 << (hash % USIZE_BITS))
}
/// Create a new [`BloomFilterU64`].
#[inline(always)]
