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js-on-sx: js-neg preserves IEEE-754 negative zero
JS -0 was returning rational integer 0; the (- 0 x) form loses the
sign-of-zero. Switched js-neg to (* -1 (exact->inexact (js-to-number a))),
which produces a float and preserves -0.0. Now 1/(-0) === -Infinity
and Math.asinh(-0) preserves the sign as required by the spec.
built-ins/Math: 41/45 → 42/45. conformance.sh: 148/148.
2026-05-07 19:11:30 +00:00

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# test262 scoreboard
Pinned commit: `d5e73fc8d2c663554fb72e2380a8c2bc1a318a33`
Wall time: 250.0s
**Total:** 77/99 runnable passed (77.8%). Raw: pass=77 fail=16 skip=1 timeout=6 total=100.
## Top failure modes
- **14x** Test262Error (assertion failed)
- **6x** Timeout
- **1x** ReferenceError (undefined symbol)
- **1x** SyntaxError (parse/unsupported syntax)
## Categories (worst pass-rate first, min 10 runnable)
| Category | Pass | Fail | Skip | Timeout | Total | Pass % |
|---|---:|---:|---:|---:|---:|---:|
| built-ins/String | 77 | 16 | 1 | 6 | 100 | 77.8% |
## Per-category top failures (min 10 runnable, worst first)
### built-ins/String (77/99 — 77.8%)
- **14x** Test262Error (assertion failed)
- **6x** Timeout
- **1x** ReferenceError (undefined symbol)
- **1x** SyntaxError (parse/unsupported syntax)