def fmt_f83_sign
import bend-prot@0.1.0.0/pdb.bend as Pdbimport Base
512def fmt_f83_sign(sgn: String, +ax: F32) -> String:
513 pad_left(String.append(sgn, String.append(Nat.show(F32.to_nat(F32.floor(ax))), String.append(".", fmt_frac3((ax - U32.to_f32(F32.to_u32(F32.floor(ax))) : F32))))), 8n)