From e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d Mon Sep 17 00:00:00 2001 From: Piotr Russ Date: Mon, 16 Nov 2020 00:10:28 +0100 Subject: api, login, auth --- node_modules/@xtuc/ieee754/dist/index.cjs.js | 96 ++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 node_modules/@xtuc/ieee754/dist/index.cjs.js (limited to 'node_modules/@xtuc/ieee754/dist/index.cjs.js') diff --git a/node_modules/@xtuc/ieee754/dist/index.cjs.js b/node_modules/@xtuc/ieee754/dist/index.cjs.js new file mode 100644 index 0000000..46b7381 --- /dev/null +++ b/node_modules/@xtuc/ieee754/dist/index.cjs.js @@ -0,0 +1,96 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.read = read; +exports.write = write; + +function read(buffer, offset, isLE, mLen, nBytes) { + var e, m; + var eLen = nBytes * 8 - mLen - 1; + var eMax = (1 << eLen) - 1; + var eBias = eMax >> 1; + var nBits = -7; + var i = isLE ? nBytes - 1 : 0; + var d = isLE ? -1 : 1; + var s = buffer[offset + i]; + i += d; + e = s & (1 << -nBits) - 1; + s >>= -nBits; + nBits += eLen; + + for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & (1 << -nBits) - 1; + e >>= -nBits; + nBits += mLen; + + for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias; + } else if (e === eMax) { + return m ? NaN : (s ? -1 : 1) * Infinity; + } else { + m = m + Math.pow(2, mLen); + e = e - eBias; + } + + return (s ? -1 : 1) * m * Math.pow(2, e - mLen); +} + +function write(buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c; + var eLen = nBytes * 8 - mLen - 1; + var eMax = (1 << eLen) - 1; + var eBias = eMax >> 1; + var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0; + var i = isLE ? 0 : nBytes - 1; + var d = isLE ? 1 : -1; + var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0; + value = Math.abs(value); + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0; + e = eMax; + } else { + e = Math.floor(Math.log(value) / Math.LN2); + + if (value * (c = Math.pow(2, -e)) < 1) { + e--; + c *= 2; + } + + if (e + eBias >= 1) { + value += rt / c; + } else { + value += rt * Math.pow(2, 1 - eBias); + } + + if (value * c >= 2) { + e++; + c /= 2; + } + + if (e + eBias >= eMax) { + m = 0; + e = eMax; + } else if (e + eBias >= 1) { + m = (value * c - 1) * Math.pow(2, mLen); + e = e + eBias; + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); + e = 0; + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = e << mLen | m; + eLen += mLen; + + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128; +} -- cgit v1.2.3