d9d6f7d1a4d0f3f7d2d3799f09f6b09a16908a793da8ab123db92f8c64bfba77.json raw

   1  {"ast":null,"code":"/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */\nexports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m;\n  var eLen = nBytes * 8 - mLen - 1;\n  var eMax = (1 << eLen) - 1;\n  var eBias = eMax >> 1;\n  var nBits = -7;\n  var i = isLE ? nBytes - 1 : 0;\n  var d = isLE ? -1 : 1;\n  var s = buffer[offset + i];\n  i += d;\n  e = s & (1 << -nBits) - 1;\n  s >>= -nBits;\n  nBits += eLen;\n  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n  m = e & (1 << -nBits) - 1;\n  e >>= -nBits;\n  nBits += mLen;\n  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n  if (e === 0) {\n    e = 1 - eBias;\n  } else if (e === eMax) {\n    return m ? NaN : (s ? -1 : 1) * Infinity;\n  } else {\n    m = m + Math.pow(2, mLen);\n    e = e - eBias;\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);\n};\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c;\n  var eLen = nBytes * 8 - mLen - 1;\n  var eMax = (1 << eLen) - 1;\n  var eBias = eMax >> 1;\n  var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;\n  var i = isLE ? 0 : nBytes - 1;\n  var d = isLE ? 1 : -1;\n  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;\n  value = Math.abs(value);\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0;\n    e = eMax;\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2);\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--;\n      c *= 2;\n    }\n    if (e + eBias >= 1) {\n      value += rt / c;\n    } else {\n      value += rt * Math.pow(2, 1 - eBias);\n    }\n    if (value * c >= 2) {\n      e++;\n      c /= 2;\n    }\n    if (e + eBias >= eMax) {\n      m = 0;\n      e = eMax;\n    } else if (e + eBias >= 1) {\n      m = (value * c - 1) * Math.pow(2, mLen);\n      e = e + eBias;\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);\n      e = 0;\n    }\n  }\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n  e = e << mLen | m;\n  eLen += mLen;\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n  buffer[offset + i - d] |= s * 128;\n};","map":null,"metadata":{},"sourceType":"script","externalDependencies":[]}