l_sinline int LTfloatint (lua_Number f, lua_Integer i) {
  if (l_intfitsf(i))
    return luai_numlt(f, cast_num(i));  /* compare them as floats */
  else {  /* f < i <=> floor(f) < i */
    lua_Integer fi;
    if (luaV_flttointeger(f, &fi, F2Ifloor))  /* fi = floor(f) */
      return fi < i;   /* compare them as integers */
    else  /* 'f' is either greater or less than all integers */
      return f < 0;  /* less? */
  }
}