Orkuncakilkaya
2002e977d9
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Add `long`, a 64-bit signed integer primitive (i64), threaded through codegen: llty; int<->long coercion (coerce_code/to_long) at let/assign/ return/call-args; i64 arithmetic + comparison promotion in emit_bin; unary negate/~; print via %lld and str()/interpolation via @fn_long_str. Editor vocabulary (syntax header, TextMate grammar, formatter, LSP) synced; check-vocabulary green. Numeric literals stay i32 — build large values by widening (documented on the type page). Complete the Hash.* namespace (issue #17) with both 32- and 64-bit algorithms: Hash.of/fnv1a/crc32/mix/combine (32-bit) and Hash.of64/fnv1a_64/mix64 (64-bit, returning long). Deterministic and C-free; CRC-32 (poly 0xEDB88320) and FNV vectors verified against reference implementations. Tests: selfhost/tests/{hash,long}.ludic. Docs: docs/language/hash/*, type-long.md. Seed reseeded; C-free bootstrap fixpoint holds; 23 selfhost + 45 regression + 29 tooling checks green. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
1,016 B
1,016 B
| id | name | category | kind | tokens | sig | tip | order | ns | member |
|---|---|---|---|---|---|---|---|---|---|
| hash-mix64 | Hash.mix64 | hash | namespace-method | Hash.mix64 | Hash.mix64(x) -> long | Avalanche one 64-bit integer into a well-scrambled value. | 8 | Hash | mix64 |
The 64-bit counterpart of Hash.mix: the MurmurHash3 fmix64 finalizer (shift by 33, multiply, repeat). It thoroughly scrambles a long, so consecutive or structured inputs map to unrelated-looking outputs — ideal for turning a large counter, packed coordinate, or 64-bit id into a random-looking seed. An int argument widens to 64 bits first. Deterministic; Hash.mix64(0) is 0.
Parameters:
x— the integer to avalanche (widened tolong)
program Seeds64 {
entry {
let base: long = Hash.of64("chunk")
print(Hash.mix64(base))
print(Hash.mix64(base + 1)) # a neighbouring input -> an unrelated seed
}
}