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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

823 B

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)