Gfm.Gfm.bch13: def of bend-osdev-gf@0.1.1.0
Import: import bend-osdev-gf@0.1.1.0/gfm.bend as Gfm
Lines 22-24 of bend-osdev-gf@0.1.1.0/gfm.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&start_line=22&end_line=24

import Base

# x^13 + x^4 + x^3 + x + 1 (0x201B), for BCH over 8191-bit codewords
def Gfm.bch13() -> GfmField:
  GfmField{13n, 8219}

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&name=GfmField