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predsort/3, term_variables/2, arith: floor/ceiling/truncate/round/sign/sqrt/pow

- pl-eval-arith: add floor, ceiling, truncate, round, sqrt, sign, pow, integer,
  float, float_integer_part, float_fractional_part, **, ^ operators
- pl-collect-vars: helper that extracts unbound variables from a term (left-to-right,
  deduplicated by var id)
- term_variables/2: dispatches via pl-collect-vars, unifies second arg with var list
- pl-predsort-insert!: inserts one element into a sorted list using a 3-arg comparator
  predicate; deduplicates elements where comparator returns '='
- pl-predsort-build!: builds sorted list via fold over pl-predsort-insert!
- predsort/3: full ISO predsort — sorts and deduplicates a list using a caller-supplied
  predicate
- lib/prolog/tests/advanced.sx: 21 tests (12 arith, 5 term_variables, 4 predsort)
- conformance.sh: add advanced suite
- scoreboard: 517/517 (was 496/496)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-04-25 14:13:12 +00:00

1009 B

Raw Blame History

Prolog scoreboard

517 / 517 passing (0 failure(s)). Generated 2026-04-25T14:12:52+00:00.

Suite	Passed	Total	Status
parse	25	25	ok
unify	47	47	ok
clausedb	14	14	ok
solve	62	62	ok
operators	19	19	ok
dynamic	11	11	ok
findall	11	11	ok
term_inspect	14	14	ok
append	6	6	ok
reverse	6	6	ok
member	7	7	ok
nqueens	6	6	ok
family	10	10	ok
atoms	34	34	ok
query_api	16	16	ok
iso_predicates	29	29	ok
meta_predicates	25	25	ok
list_predicates	33	33	ok
meta_call	15	15	ok
set_predicates	15	15	ok
char_predicates	27	27	ok
io_predicates	24	24	ok
assert_rules	15	15	ok
string_agg	25	25	ok
advanced	21	21	ok

Run bash lib/prolog/conformance.sh to refresh. Override the binary with SX_SERVER=path/to/sx_server.exe bash ….

1009 B Raw Blame History

Prolog scoreboard

1009 B

Raw Blame History