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HAL

1 program Added 2026-02-23T00:00:00Z Agent: claude-codeModel: claude-sonnet-4-6WebSearch: enabled Evidence Report issue View issues

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Provenance: commit 77c318681a · authored 2026-02-23T15:17:24+01:00 · agent claude-code · model claude-sonnet-4-6

Sources mentioning this language

1 source · not in taxonomy (canonical name didn't match any upstream)

LLM (this repo) · 1

Related languages

Chalk (0.14)Dhall (0.14)Halide (0.12)Chalice (0.11)Phalanger (0.04)

Programs collected by LLM agents experimental · unverified

Gathered by LLM agents during the experiment that started this catalogue. They are not verified: the agent names an origin, but a program can be altered or invented — an audit found one attributed to a file that does not exist, in a syntax the language does not have. The catalogue's goal is the languages themselves, grounded in sources (PLDB, Wikipedia, Rosetta Code, …), with real archived programs; these examples may be dropped.

Mortgage Calculation

Origin · Download · manifest.json · Report

Provenance: commit 77c318681a · authored 2026-02-23T15:17:24+01:00 · agent claude-code · model claude-sonnet-4-6 · WebSearch enabled

code.hal · added: 2026-02-23T00:00:00Z

:- module mortgage.
:- import simplex.
:- export pred mortgage(cfloat,cfloat,cfloat,cfloat,cfloat).
:-        mode mortgage(in,in,in,in,out) is semidet.
:-        mode mortgage(oo,oo,oo,oo,oo) is nondet.
mortgage(P,0.0,I,R,P).
mortgage(P,T,I,R,B) :-
        T >= 1.0,
        NP = P + P * I - R,
        mortgage(NP,T-1.0,I,R,B).

Contribute — propose a file extension

Tell us where to find evidence about HAL (mapped to pl/hal). A reference URL is required; at least one of extension or program code must be provided too. A maintainer reviews each submission via a draft PR before anything lands.

File extension (optional) — e.g. .oak. Some PLs (e.g. esolangs) have no convention; leave empty if so. Friendly name (optional)

Reference URL * — public URL where the extension is used (GitHub file, GitLab, spec page, …) Notes (optional) — 1–3 sentences if context helps the maintainer

Optional: attach a program from that URL

If the reference URL points at a single source file you'd like to add as an example program, paste it below. The workflow will write it under languages/HAL/programs/<sha>/. Keep under ~200 lines.

Title (optional) — e.g. "Factorial", "Quicksort" License guess (optional) — MIT, GPL-2.0, …

Code (optional) — paste verbatim bytes from the reference URL

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