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Squash merge of 76 commits from loops/minikanren. Adds lib/minikanren/ — a complete miniKanren-on-SX implementation built on top of lib/guest/match.sx, validating the lib-guest unify-and-match kit as intended. Modules (20 .sx files, ~1700 LOC): unify, stream, goals, fresh, conde, condu, conda, run, relations, peano, intarith, project, nafc, matche, fd, queens, defrel, clpfd, tabling Phases 1–5 fully done (core miniKanren API, all classic relations, matche, conda, project, nafc). Phase 6 — native CLP(FD): domain primitives, fd-in / fd-eq / fd-neq / fd-lt / fd-lte / fd-plus / fd-times / fd-distinct / fd-label, with constraint reactivation iterating to fixed point. N-queens via FD: 4-queens 2 solutions, 5-queens 10 solutions (vs naive timeout past N=4). Phase 7 — naive ground-arg tabling: table-1 / table-2 / table-3. Fibonacci canary: tab-fib(25) = 75025 in seconds, naive fib(25) times out at 60s. Ackermann via table-3: A(3,3) = 61. 71 test files, 644+ tests passing across the suite. Producer/consumer SLG (cyclic patho, mutual recursion) deferred — research-grade work. The lib-guest validation experiment is conclusive: lib/minikanren/ unify.sx adds ~50 lines of local logic (custom cfg, deep walk*, fresh counter) over lib/guest/match.sx's ~100-line kit. The kit earns its keep ~3× by line count.
104 lines
1.9 KiB
Plaintext
104 lines
1.9 KiB
Plaintext
;; lib/minikanren/tests/intarith.sx — ground-only integer arithmetic
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;; goals that escape into host operations via project.
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;; --- pluso-i ---
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(mk-test
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"pluso-i-forward"
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(run* q (pluso-i 7 8 q))
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(list 15))
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(mk-test
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"pluso-i-zero"
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(run* q (pluso-i 0 0 q))
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(list 0))
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(mk-test
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"pluso-i-negatives"
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(run* q (pluso-i -5 3 q))
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(list -2))
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(mk-test
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"pluso-i-non-ground-fails"
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(run* q (fresh (a) (pluso-i a 3 5)))
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(list))
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;; --- minuso-i ---
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(mk-test
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"minuso-i-forward"
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(run* q (minuso-i 10 4 q))
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(list 6))
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(mk-test
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"minuso-i-zero"
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(run* q (minuso-i 5 5 q))
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(list 0))
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;; --- *o-i ---
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(mk-test
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"times-i-forward"
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(run* q (*o-i 6 7 q))
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(list 42))
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(mk-test
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"times-i-by-zero"
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(run* q (*o-i 0 99 q))
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(list 0))
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(mk-test
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"times-i-by-one"
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(run* q (*o-i 1 17 q))
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(list 17))
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;; --- comparisons ---
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(mk-test
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"lto-i-true"
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(run 1 q (lto-i 2 5))
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(list (make-symbol "_.0")))
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(mk-test "lto-i-false" (run* q (lto-i 5 2)) (list))
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(mk-test "lto-i-equal-false" (run* q (lto-i 3 3)) (list))
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(mk-test
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"lteo-i-equal"
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(run 1 q (lteo-i 4 4))
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(list (make-symbol "_.0")))
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(mk-test
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"lteo-i-less"
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(run 1 q (lteo-i 1 4))
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(list (make-symbol "_.0")))
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(mk-test "lteo-i-more" (run* q (lteo-i 9 4)) (list))
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(mk-test
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"neqo-i-different"
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(run 1 q (neqo-i 3 5))
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(list (make-symbol "_.0")))
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(mk-test "neqo-i-same" (run* q (neqo-i 3 3)) (list))
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;; --- composition with relational vars ---
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(mk-test
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"intarith-with-membero"
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(run*
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q
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(fresh
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(x)
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(membero
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x
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(list 1 2 3 4 5))
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(lto-i x 3)
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(== q x)))
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(list 1 2))
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(mk-test "even-i-pos" (run* q (even-i 4)) (list (make-symbol "_.0")))
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(mk-test "even-i-neg" (run* q (even-i 5)) (list))
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(mk-test "odd-i-pos" (run* q (odd-i 7)) (list (make-symbol "_.0")))
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(mk-test "odd-i-neg" (run* q (odd-i 4)) (list))
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(mk-test
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"even-i-filter"
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(run* q (fresh (x) (membero x (list 1 2 3 4 5 6)) (even-i x) (== q x)))
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(list 2 4 6))
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(mk-tests-run!)
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