ludic/tools
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feat(stdlib): Math.exp/log/pow + Ease.elastic transcendentals (issue #25)
Finish the unblocked "Math / Ease" half of #25: the fixed-point
transcendentals deferred from #2. Vec.* stays blocked on the vec2 type
in #1.

- Math.exp, Math.log (natural), Math.pow — deterministic Q16.16 via two
  new prelude fns in emit_math_prelude: @fn_fx_exp2 (range-reduced 5th-order
  Taylor 2^f, then a clamped shift by the integer part) and @fn_fx_log2
  (llvm.ctlz for the exponent + an atanh series on (m-1)/(m+1) for the
  mantissa). exp=2^(x·log2 e), log=log2(x)·ln2, pow=2^(b·log2 a).
- Ease.elastic — ease-out elastic 2^(-10t)·sin((10t-0.75)·2pi/3)+1.
- Pure integer IR, so bit-identical on every platform. Results must fit the
  Q16.16 range (|x| < 32768); larger magnitudes saturate (documented).

Test selfhost/tests/transcend.ludic (registered in the self-host suite) +
docs for all four. Reseeded; the C-free bootstrap fixpoint holds. All suites
green (24 self-host, 45 regression, 29 tool).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-30 01:19:44 +03:00
..
docgen feat(stdlib): namespaced standard library (issue #2) 2026-08-30 00:26:19 +03:00
editors feat(lang,stdlib): 64-bit long type + 64-bit Hash variants (issue #17) 2026-08-30 01:01:06 +03:00
git-hooks Baseline: Ludic compiler + toolchain, Phase 1 syntax fixes complete 2026-08-27 15:15:35 +03:00
ludic-tools feat(lang,stdlib): 64-bit long type + 64-bit Hash variants (issue #17) 2026-08-30 01:01:06 +03:00
ludic-web Baseline: Ludic compiler + toolchain, Phase 1 syntax fixes complete 2026-08-27 15:15:35 +03:00
x feat(stdlib): Math.exp/log/pow + Ease.elastic transcendentals (issue #25) 2026-08-30 01:19:44 +03:00
atlas.ludic Baseline: Ludic compiler + toolchain, Phase 1 syntax fixes complete 2026-08-27 15:15:35 +03:00
check-docs.py Phase 6a: rename core vocabulary (game/main/component/archetype/system) 2026-08-27 18:22:13 +03:00
check-vocabulary.py Phase 8b: modern names for the raw-memory and OS/IO primitives 2026-08-28 02:55:24 +03:00
test-grammar.js Baseline: Ludic compiler + toolchain, Phase 1 syntax fixes complete 2026-08-27 15:15:35 +03:00
test-lsp.py feat(stdlib): namespaced standard library (issue #2) 2026-08-30 00:26:19 +03:00