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apl: each f¨ monadic + dyadic (+14 tests, 139/139)
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giles
2026-05-06 21:14:49 +00:00
parent c56f400403
commit 3489c9f131
3 changed files with 125 additions and 2 deletions
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plans/apl-on-sx.md
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@@ -75,7 +75,7 @@ Core mapping:
### Phase 4 — operators (THE SHOWCASE)
- [x] Reduce `f/` (last axis), `f⌿` (first axis) — including `∧/`, `∨/`, `+/`, `×/`, `⌈/`, `⌊/`
- [x] Scan `f\`, `f⍀`
- [ ] Each `f¨` — applies `f` to each scalar/element
- [x] Each `f¨` — applies `f` to each scalar/element
- [ ] Outer product `∘.f` — `1 2 3 ∘.× 1 2 3` ↦ multiplication table
- [ ] Inner product `f.g` — `+.×` is matrix multiply
- [ ] Commute `f⍨` — `f⍨ x` ↔ `x f x`, `x f⍨ y` ↔ `y f x`
@@ -118,6 +118,7 @@ data; format for string templating.
_Newest first._
- 2026-05-06: Phase 4 step 3 — each f¨ (monadic apl-each + dyadic apl-each-dyadic); scalar broadcast both sides; 139/139 tests
- 2026-05-06: Phase 4 step 2 — scan f\ (last axis) + f⍀ (first axis); apl-scan/apl-scan-first; 125/125 tests
- 2026-05-06: Phase 4 step 1 — reduce f/ (last axis) + f⌿ (first axis); apl-reduce/apl-reduce-first; 110/110 tests
- 2026-05-06: Phase 3 complete — membership ∊, dyadic ⍳ (index-of), without ~ (index-of returns nil for not-found); 94/94 tests