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kelindar / bitmap
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LAST BUILD BRANCH: refs/tags/v1.5.7
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Repo Added 11 Jun 2021 08:21AM UTC
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23 Sep 2026 11:30AM UTC coverage: 92.283% (-1.9%) from 94.194%
35854983487

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github

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Fix Or/Xor dropping bits when combining bitmaps of different lengths (#51)

* fix: union/xor of different-sized bitmaps drops bits in variadic path

Or and Xor with extra bitmaps used _or_many/_xor_many, which apply a single
word count to every input. The count came from pointersOf, whose length is
the maximum over the extra slice only and ignores other, so a longer other
lost its tail words. More generally a uniform count cannot combine operands
of different lengths: a longer source is truncated and a shorter one is read
past its end.

Fold each source in with the single-operand SIMD primitive over its own
length, matching the scalar reference in simd_generic.go. Fixes the amd64
accelerated and AVX-512 branches and the arm64 branch.

* Keep the _many primitives for equal-sized operands, fold only ragged ones

* test: cover longer ragged bitmap extras

---------

Co-authored-by: Roman <roman.atachiants@gmail.com>

0 of 15 new or added lines in 1 file covered. (0.0%)

586 of 635 relevant lines covered (92.28%)

450.88 hits per line

Relevant lines Covered
Build:
Build:
635 RELEVANT LINES 586 COVERED LINES
450.88 HITS PER LINE
Source Files on main
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  • List 6
  • Changed 1
  • Source Changed 0
  • Coverage Changed 1
Coverage ∆ File Lines Relevant Covered Missed Hits/Line

Recent builds

Builds Branch Commit Type Ran Committer Via Coverage
35854983487 refs/tags/v1.5.7 Fix Or/Xor dropping bits when combining bitmaps of different lengths (#51) * fix: union/xor of different-sized bitmaps drops bits in variadic path Or and Xor with extra bitmaps used _or_many/_xor_many, which apply a single word count to every in... push 23 Sep 2026 11:31AM UTC web-flow github
92.28
35854941643 main Fix Or/Xor dropping bits when combining bitmaps of different lengths (#51) * fix: union/xor of different-sized bitmaps drops bits in variadic path Or and Xor with extra bitmaps used _or_many/_xor_many, which apply a single word count to every in... push 23 Sep 2026 11:30AM UTC web-flow github
92.28
35318879807 refs/tags/v1.5.6 Clear a reused destination past the source in Clone (#50) copy() writes only len(src) words, so a destination longer than the source kept its trailing words: the caller's bitmap became src plus leftovers, and the returned slice shares the array, ... push 18 Sep 2026 07:19AM UTC web-flow github
94.19
35318689002 main Clear a reused destination past the source in Clone (#50) copy() writes only len(src) words, so a destination longer than the source kept its trailing words: the caller's bitmap became src plus leftovers, and the returned slice shares the array, ... push 18 Sep 2026 07:17AM UTC web-flow github
94.19
35318586043 main Fix fromHex endianness on big-endian architectures (s390x) (#48) * Fix fromHex endianness on big-endian architectures The fromHex function reverses decoded hex bytes into little-endian order, then calls FromBytes() which uses an unsafe pointer c... push 18 Sep 2026 07:16AM UTC web-flow github
94.18
22799773621 refs/tags/v1.5.5 Update dependencies (#45) push 07 Mar 2026 01:19PM UTC web-flow github
94.15
22799769966 main Update dependencies (#45) push 07 Mar 2026 01:18PM UTC web-flow github
94.15
22799751671 deps Update dependencies Pull #45 07 Mar 2026 01:17PM UTC kelindar github
94.15
22776844882 refs/tags/v1.5.4 Regenerate with frame pointer omitted (#44) * regenerate with omit frame pointer * bump workflow * only run on push push 06 Mar 2026 06:36PM UTC web-flow github
94.15
22776799680 main Regenerate with frame pointer omitted (#44) * regenerate with omit frame pointer * bump workflow * only run on push push 06 Mar 2026 06:35PM UTC web-flow github
94.15
See All Builds (144)
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