code wiki / _hdl_build / _dfl_comp_test.nx

_dfl_comp_test.nx

buildroot/runtime/_hdl_build/_dfl_comp_test.nx

1353 B25 linesdepth 4pulls 4 transitivereach 0 importersview sourcekind gate/prooftopic dfl
docsdependenciesstructsconstsfunctions

about

_dfl_comp_test.nx -- proves rung-2 COMPRESSION: encode a repetitive buffer, assert round-trip bit-exact via our inflate AND compressed size < original (LZ77 back-refs working). Prints sizes.

dependencies 2 imports · 0 importers

nx_deflate_fixed.nx nx_syscalls.nx _dfl_comp_test.nx

imports: nx_deflate_fixed.nxnx_syscalls.nx

imported by: nobody (leaf or entry point)

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

main sys_mmap dfl_encode sys_mmap ↻ dfl_putbit dfl_match dfl_matchlen dfl_lensym dfl_putcode dfl_putbit ↻ dfl_putbits_lsb dfl_putbit ↻ dfl_distsym dfl_decode inflate sys_mmap ↻ ibr ihb sys_mmap ↻ icodes ihd ibr ↻ ibr ↻ ihd ↻ cp sys_write cn sys_mmap ↻ sys_write ↻ sys_exit

structs

none

consts

none

functions

5func cp(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 1: main calls 1: sys_write
6func cn(v: i64) -> i64 { let b: *u8=sys_mmap(28); var m: i64=v; var k: i64=0; let t: *u8=sys_mmap(28); if m==0{t[0]=48;k=1}; while m>0{t[k]=(48+(m%10)) as u8;m=m/10;k=k+1}; var i: i64=0; while i<k{b[i]=t[k-1-i];i=i+1}; sys_write(1,b,k); return 0 }
called by 1: main calls 2: sys_mmapsys_write
7func main() -> i64
calls 6: sys_mmapdfl_encodedfl_decodecpcnsys_exit