nx_bench_spectral.nx

nx_bench_spectral.nx -- NishiLang twin of bench/xlang/spectral.c (spectral-norm, Computer Language Benchmarks Game). FIRST FLOAT (f64) racing-bench workload, proving the 2026-07-16 f64 codegen on a real 3rd-party task. N=100, published answer 1.274219991 -> line 1 = eigenvalue*1e9 truncated (1274219991), line 2 = us. f64 values ride as i64 bit-patterns in i64 arrays; scalars are `f64`. Structurally identical scalar operations to the C twin (Newton sqrt, same reduction order) so nx/gcc/clang agree bit-for-bit at 9-digit truncation. license_tier: ORIGINAL No hw writes (Rule 26). (nx_syscalls_x86_64.nx import REMOVED 2026-07-31, debt 1785528831: this file already gets the canonical syscall layer via nx_clock.nx -> syscalls.nx, so importing the raw-x86 module too put TWO syscall layers in one TU -- every wrapper twice, numbering picked by definition ORDER, silently.)