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plans: tick Phase 3 catenate, progress log
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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giles
2026-05-06 18:51:58 +00:00
parent 71ad7d2d24
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plans/apl-on-sx.md
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@@ -65,7 +65,7 @@ Core mapping:
### Phase 3 — structural primitives + indexing
- [x] Reshape `⍴`, ravel `,`, transpose `⍉` (full + dyadic axis spec)
- [x] Take `↑`, drop `↓`, rotate `⌽` (last axis), `⊖` (first axis)
- [ ] Catenate `,` (last axis) and `⍪` (first axis)
- [x] Catenate `,` (last axis) and `⍪` (first axis)
- [ ] Index `⌷` (squad), bracket-indexing `A[I]` (sugar for `⌷`)
- [ ] Grade-up `⍋`, grade-down `⍒`
- [ ] Enclose `⊂`, disclose `⊃`, partition (subset deferred)
@@ -118,6 +118,7 @@ data; format for string templating.
_Newest first._
- 2026-05-06: Phase 3 step 3 — catenate , (last axis, scalar promo) and first-axis; 59/59 tests
- 2026-05-06: Phase 3 step 2 — take ↑ (multi-axis, pad), drop ↓, reverse/rotate ⌽⊖ (last+first axis); 50/50 tests
- 2026-05-06: Phase 3 step 1 — reshape ⍴ (cycling), transpose ⍉ (monadic+dyadic); helpers apl-strides/flat->multi/multi->flat; 27/27 structural tests; lib/apl/tests/structural.sx
- 2026-04-26: Phase 2 complete — array model + 7 scalar primitive groups; 82/82 tests; lib/apl/runtime.sx + lib/apl/tests/scalar.sx