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| author | John Moffett <116917595+john-moffett@users.noreply.github.com> | 2023-01-31 13:12:53 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-01-31 13:12:53 -0500 |
| commit | fa4eeeef38a1dd4f26aad7220127a61097d3eca2 (patch) | |
| tree | 6e94721d025eec189531ab52f97ab374c17e6192 | |
| parent | f277d42e0de45c4966e72c0d00148c3c0178f096 (diff) | |
| download | bips-fa4eeeef38a1dd4f26aad7220127a61097d3eca2.tar.xz | |
Fix description of M parameter
The M parameter is used as the inverse of the false probability rate, so change its incorrect usage in two places.
| -rw-r--r-- | bip-0158.mediawiki | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/bip-0158.mediawiki b/bip-0158.mediawiki index 484e674..4677113 100644 --- a/bip-0158.mediawiki +++ b/bip-0158.mediawiki @@ -85,7 +85,7 @@ one is able to select both Parameters independently, then more optimal values can be selected<ref>https://gist.github.com/sipa/576d5f09c3b86c3b1b75598d799fc845</ref>. Set membership queries against the hash outputs will have a false positive rate -of <code>M</code>. To avoid integer overflow, the number of items <code>N</code> +of <code>1 / M</code>. To avoid integer overflow, the number of items <code>N</code> MUST be <2^32 and <code>M</code> MUST be <2^32. The items are first passed through the pseudorandom function ''SipHash'', which @@ -189,7 +189,7 @@ golomb_decode(stream, P: uint) -> uint64: A GCS is constructed from four parameters: * <code>L</code>, a vector of <code>N</code> raw items * <code>P</code>, the bit parameter of the Golomb-Rice coding -* <code>M</code>, the target false positive rate +* <code>M</code>, the inverse of the target false positive rate * <code>k</code>, the 128-bit key used to randomize the SipHash outputs The result is a byte vector with a minimum size of <code>N * (P + 1)</code> |