潘子知道吴三省是假的。《盗墓笔记》中,潘子是对越反击战的老兵,在他退伍之后就一直跟着吴三省走南闯北。可以说潘子是吴三省最信任的人,在他的眼里,潘子甚至有时候比吴邪还要值得信任。吴三省和解连环共同实行
I am trying to use \\ifthenelse to do a floating point comparison. This is the pgf/tikz code, which works if \\y is integer only, but not otherwise: