{
  "kind": "合成对照输入与本地模型/解析结果，非设备实测",
  "article": "https://qifudev.com/article/signed-ff-width-context/",
  "tool": "https://qifudev.com/tools/signed-integer/",
  "model": "最高位为1时，有符号值=原值−2^位宽",
  "inputs": {
    "hex": "FF",
    "bits": "16"
  },
  "outputs": {
    "signed": "255",
    "unsigned": "255",
    "bits": "0000000011111111"
  },
  "extra_checks": [],
  "warnings": [],
  "limitation": "不支持原码、反码或任意浮点格式；输入为整数值，不自动判断多字节数据的传输字节序。",
  "source": {
    "label": "SEI CERT C：整数类型与位操作",
    "url": "https://wiki.sei.cmu.edu/confluence/display/c/INT13-C.+Use+bitwise+operators+only+on+unsigned+operands"
  },
  "measured": {
    "device": null,
    "firmware": null,
    "instrument": null,
    "conditions": null,
    "raw_result": null,
    "verdict": null
  }
}