sw23.github.io

{
  "type": "object",
  "properties": {
    "value": {
      "type": [
        "number",
        "string"
      ],
      "description": "The value to encode. Accepts a number, hex string (e.g. \"0xFF\"), or keyword (\"infinity\", \"-infinity\", \"nan\")."
    },
    "format": {
      "type": [
        "string",
        "object"
      ],
      "description": "Format preset key (e.g. \"fp32\", \"int8\") or custom format object. For floating-point: { signBits, exponentBits, mantissaBits, bias?, hasInfinity?, hasNaN?, hasSubnormals? }. For integer: { bits, signed, fractionBits?, symmetric? }."
    },
    "roundingMode": {
      "type": "string",
      "description": "Rounding mode for encoding the value. Options: \"tiesToEven\" (default, IEEE 754), \"tiesToAway\", \"towardZero\", \"towardPositive\", \"towardNegative\".",
      "enum": [
        "tiesToEven",
        "tiesToAway",
        "towardZero",
        "towardPositive",
        "towardNegative"
      ]
    },
    "overflowMode": {
      "type": "string",
      "description": "What an out-of-range magnitude becomes. \"overflow\" produces Infinity (or NaN when the format has no Infinity); \"saturate\" clamps to the largest finite value. Omit to use the per-format default (overflow for formats with Infinity, saturate otherwise). IEEE 754 §7.4 directed rounding still clamps finite overflow regardless of this setting.",
      "enum": [
        "saturate",
        "overflow"
      ]
    }
  },
  "required": [
    "value",
    "format"
  ]
}