23699570506
85%
master: 84%

Ran 29 Mar 2026 02:59AM UTC

Jobs 1

Files 630

Run time 1min

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Committed 29 Mar 2026 02:30AM UTC coverage: 84.354% (-0.008%) from 84.362%

Build # 23699570506

Build Type

push

github

Committed by

web-flow

Commit Message

feat(ucalc): error distribution analysis command (#636) (#664)

Add `errordist <expr> for <var> in [a, b, n]` that evaluates an
expression at n points, computes ULP error vs qd reference at each
point, and histograms the distribution.

Reports:
- Histogram with bins: 0, (0,0.5], (0.5,1], (1,2], (2,4], (4,8], (8,+)
- Max ULP error and where it occurs
- Mean ULP error
- Faithfully rounded percentage (ULP <= 1)

Example:
  posit32> errordist sin(x) for x in [0, 6.28, 1000]
  max ULP:    176.29 at x = 3.1431431
  mean ULP:   2.97
  faithful:   58.1%

All output formats: plain, --json, --csv, --quiet.

Resolves #636

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Coverage Stats

44588 of 52858 relevant lines covered (84.35%)

6094491.23 hits per line

Coverage Regressions

Lines	Coverage	∆	File
8	93.98	-0.48%	include/sw/universal/number/cfloat/cfloat_impl.hpp
2	89.8	-0.57%	include/sw/universal/number/posito/posito_impl.hpp

Jobs

ID	Job ID	Ran	Files	Coverage
1	23699570506.1	29 Mar 2026 02:59AM UTC	630	84.35	GitHub Action Run

stillwater-sc / universal / 23699570506
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master: 84%

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