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stillwater-sc / universal / 21929080579
85%
master: 85%

Build:
Build:
LAST BUILD BRANCH: main
DEFAULT BRANCH: master
Ran 12 Feb 2026 01:14AM UTC
Jobs 1
Files 535
Run time 1min
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12 Feb 2026 12:48AM UTC coverage: 84.885% (-0.02%) from 84.9%
21929080579

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V3.97: hygiene release (#507)

* Incrementing SEMVER to v3.96.1

* Fix UBSan: guard negative exponent overflow in areal conversion

When exponent is a large negative (e.g. -72), the shift `1ull << -exponent`
exceeds 63 bits, causing undefined behavior. Add `exponent > -64` guard
so both positive and negative extremes fall through to the safe ipow() path.

* weird difference between double and duble

* systems and position paper roadmaps

* Add papers/ artifact tree with three mixed-precision solver case studies

Create self-contained papers/ directory for systems and position paper
artifacts that can be zipped and shared with reviewers:

- papers/systems-paper/iterative_refinement.cpp: Carson & Higham
  three-precision LU-IR across IEEE, posit, cfloat, dd, cross-family
- papers/systems-paper/conjugate_gradient.cpp: CG for SPD systems with
  single-precision and two-precision (low preconditioner) configurations
- papers/systems-paper/idrs.cpp: IDR(s) for non-symmetric systems with
  shadow space dimension sweep and number system comparison

Move paper docs from docs/papers/ to papers/docs/ for co-location.
Add UNIVERSAL_BUILD_PAPERS CMake option (wired into BUILD_ALL cascade).

* Add changelog and session doc for paper artifact tree and solver studies

* Add LaTeX scaffolding for arXiv systems paper

Plain article class (12pt) with full section structure, TODO placeholders,
29 BibTeX references (14 from JOSS + 15 new), and Makefile for local builds.

* Add changelog and session doc for LaTeX paper scaffolding

* arxiv paper first draft

* arxiv systems paper draft v3

* Adding a mixed-precision Attention head with KV cache test case for the ArXiv paper

* Complete posit2 arithmetic, conversion, logic, and assignment test suites

Add all four arithmetic operations (sub, mul, div plus existing add) via
blocktriple pipeline, port conversion/assignment/logic regression tests
from original posit, and fix three bugs discovered during testing:

- convert_ieee... (continued)

21 of 24 new or added lines in 2 files covered. (87.5%)

18 existing lines in 3 files now uncovered.

36312 of 42778 relevant lines covered (84.88%)

6611699.86 hits per line

New Missed Lines in Diff

Lines Coverage ∆ File
3
85.52
0.0% include/sw/universal/number/posit/specialized/posit_32_2.hpp

Uncovered Existing Lines

Lines Coverage ∆ File
1
93.73
-0.1% include/sw/universal/number/posit/posit_impl.hpp
2
78.08
0.25% include/sw/universal/number/posito/posito_impl.hpp
15
86.07
-2.65% include/sw/universal/verification/posit_test_suite.hpp
Jobs
ID Job ID Ran Files Coverage
1 21929080579.1 12 Feb 2026 01:14AM UTC 535
84.88
GitHub Action Run
Source Files on build 21929080579
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  • Coverage Changed 10
Coverage ∆ File Lines Relevant Covered Missed Hits/Line
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