[問題] signed to unsigned轉換
遇到了一個與自己直覺相異的問題
有一個12bit的signed int經過 filter後要轉回unsigned int
我的直覺是把signed int加上2048即可
但看到的資料好像不一定可以這樣做
想請問有什麼狀況是不能這樣加2048就轉回unsigned嗎?
謝謝
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