nx_gate_gn_gate.nx

nx_gate_gn_gate.nx -- the gate for the integer printer 437 GATES IMPORT. WHY THIS EXISTS: nx_gensota's worklist ranked the unattached organs of generation 3 by importers, and rank 1 was nx_gate_gn itself -- the number-printer at the bottom of the verification fleet had no verification of its own. A printer that silently mis-renders a count would corrupt EVERY gate verdict that quotes a number, and nothing would catch it. HOW IT IS TESTED HONESTLY: gn() writes straight to fd 1, so asserting on a return value would prove nothing. This gate REDIRECTS fd 1 to a file (dup3), calls gn, restores fd 1, and READS THE BYTES BACK -- a writer is only tested by a read-back. TEETH: zero (the special case that returns early) - single digit - multi digit - the decade boundary - negative sign placement - a large value - and a NEGATIVE CONTROL that must FAIL if the comparator is vacuous. license_tier: ORIGINAL expect_exit: 0 No hw writes (Rule 26).