{
  "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/fixed-point-fraction-scale-change/",
  "tool": "https://qifudev.com/tools/fixed-point/",
  "model": "实数=补码有符号整数/2^小数位数",
  "inputs": {
    "hex": "1000",
    "bits": "16",
    "fraction": "12"
  },
  "outputs": {
    "integer": "4096",
    "real": 1,
    "step": 0.000244140625
  },
  "extra_checks": [],
  "warnings": [],
  "limitation": "支持2至32位有符号格式，小数位不超过总位宽减1；不执行量化编码、溢出饱和或十进制比例协议换算。",
  "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
  }
}