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OldCrow
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libstats
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quality(parallel): ParallelUtils::parallelFor discards exceptions thrown inside chunks — and the obvious
wait()
→
get()
fix is a use-after-free
platform
quality
Status: Open.
#118
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.2 — Accuracy, contracts & kernel hygiene
quality(platform): CPUID gates — AVX-512 tier never checks DQ (5 intrinsics need it) or XCR0 opmask/ZMM state; AVX2 tier never checks FMA; MSVC configure probe is F-only
platform
quality
Status: Open.
#117
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.2 — Accuracy, contracts & kernel hygiene
bug(discrete): NegativeBinomial / Geometric getQuantile silently returns 0 once the search bound
mean + 10σ + 100
exceeds INT_MAX
accuracy
bug
Something isn't working
Something isn't working
Status: Open.
#116
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.1 — Correctness patch
bug(io): operator>> round-trip is broken for Discrete, Uniform and Beta — tokenisation/whitespace mismatch with their own operator<<
bug
Something isn't working
Something isn't working
Status: Open.
#115
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.1 — Correctness patch
quality: review backlog — unused API surface, dead gamma_inverse_cdf, clang-tidy scope, cppcheck advisory-only CI, noexcept/lock uniformity, residual doc/test items
quality
Status: Open.
#114
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.2 — Accuracy, contracts & kernel hygiene
accuracy: incomplete-gamma/beta iteration caps (1000 / 100) and the 1e-8 Lentz tolerance — not the cores — explain the "large-parameter CDF → corvus" rows
accuracy
Status: Open.
#113
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.2 — Accuracy, contracts & kernel hygiene
bug(batch): Gaussian/LogNormal/von Mises batch CDF tail fixups re-read the input after the store — wrong results for aliased spans; in-place contract undocumented
bug
Something isn't working
Something isn't working
Status: Open.
#112
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.1 — Correctness patch
perf(von-mises): batch CDF is O(count × j_max) full-array passes (~1100 sweeps at κ = 1000) with four heap allocations inside a noexcept frame
performance
Status: Open.
#111
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.2 — Accuracy, contracts & kernel hygiene
quality: the #49 erfc tail-branch rule exists in three shapes across three TUs with two argument conventions
accuracy
quality
Status: Open.
#110
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.2 — Accuracy, contracts & kernel hygiene
perf(cauchy): CDF dispatch thresholds are stale since #48 — measured against the incomplete-beta delegation, now one std::atan per element
performance
Status: Open.
#109
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.2 — Accuracy, contracts & kernel hygiene
quality(simd): quadrant-reduction trig kernel duplicated across five TUs in two structural shapes — record the decision or share it
quality
Status: Open.
#108
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v3.0.0 — Architecture Refactor
quality(simd): the x86 and NEON clean-room trig tables are two bit-identical files with no build-time equality check
quality
Status: Open.
#107
In OldCrow/libstats;
·
OldCrow
opened
on Aug 22, 2026
·
v2.3.2 — Accuracy, contracts & kernel hygiene
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