code wiki / (root) / nx_gif_decode_gate.nx

nx_gif_decode_gate.nx

buildroot/runtime/nx_gif_decode_gate.nx

6170 B108 linesdepth 4pulls 4 transitivereach 0 importersview sourcekind gate/prooftopic gif
docsdependenciesstructsconstsfunctions

about

nx_gif_decode_gate.nx -- GREEN/RED gate: decode the REAL page3.com mast3.gif (fetched by nx_archive_media_fetch) with nx_gif_decode and prove it yields a sane, non-blank grayscale image; NEG-CTL rejects a non-GIF buffer. 2026-07-29 DISPLAY teeth added for the browser image path: gif_decode_rgb must be BYTE-EXACT vs oracles banked from the stdlib reference _ops/gif_ref.py (T5 mast3 279x123 non-interlaced, T6 the constructed 16x16 INTERLACED KAT -- the de-interlace proof), and T7 rejects the archive's HTML-saved-as-.gif body. Image stack (syscalls.nx). license_tier: ORIGINAL

dependencies 1 imports · 0 importers

nx_gif_decode.nx nx_gif_decode_gate.nx

imports: nx_gif_decode.nx

imported by: nobody (leaf or entry point)

call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown

main gw gif_decode gif_decode_core gif_u16le gn gif_decode_rgb gif_decode_core ↻ _rgb_vs_oracle gw ↻ gn ↻

structs

none

consts

none

functions

9func gw(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 }
called by 2: _rgb_vs_oraclemain
10func gn(v: i64) -> i64 { if v==0 { sys_write(1,"0" as *u8,1); return 0 } var m: i64=v; if m<0 { sys_write(1,"-" as *u8,1); m=0-m } let t: *u8=sys_mmap(24); var k: i64=0; while m>0 { t[k]=(48+(m%10)) as u8; m=m/10; k=k+1 } let o: *u8=sys_mmap(24); var w: i64=0; var q: i64=k-1; while q>=0 { o[w]=t[q]; w=w+1; q=q-1 } sys_write(1,o,w); return 0 }
called by 2: _rgb_vs_oraclemain
13func _rgb_vs_oracle(rgb: *u8, w: i64, h: i64, opath: *u8) -> i64
called by 1: main calls 2: gwgn
25func main() -> i64