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[set-digest] Comments

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Behdad Esfahbod 2025-04-01 18:12:56 -06:00
parent bed2d3dd2b
commit 4d5348d660
1 changed files with 4 additions and 5 deletions

9
src/hb-set-digest.hh
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@ -31,11 +31,10 @@
#include "hb-machinery.hh"
/*
* The set-digests here implement various "filters" that support
* "approximate member query". Conceptually these are like Bloom
* Filter and Quotient Filter, however, much smaller, faster, and
* designed to fit the requirements of our uses for glyph coverage
* queries.
* The set-digests implement "filters" that support "approximate
* member query". Conceptually these are like Bloom Filter and
* Quotient Filter, however, much smaller, faster, and designed
* to fit the requirements of our uses for glyph coverage queries.
*
* Our filters are highly accurate if the lookup covers fairly local
* set of glyphs, but fully flooded and ineffective if coverage is