diff options
Diffstat (limited to 'frontend-old/node_modules/@protobufjs/float/index.js')
| -rw-r--r-- | frontend-old/node_modules/@protobufjs/float/index.js | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/frontend-old/node_modules/@protobufjs/float/index.js b/frontend-old/node_modules/@protobufjs/float/index.js new file mode 100644 index 0000000..706d096 --- /dev/null +++ b/frontend-old/node_modules/@protobufjs/float/index.js @@ -0,0 +1,335 @@ +"use strict";
+
+module.exports = factory(factory);
+
+/**
+ * Reads / writes floats / doubles from / to buffers.
+ * @name util.float
+ * @namespace
+ */
+
+/**
+ * Writes a 32 bit float to a buffer using little endian byte order.
+ * @name util.float.writeFloatLE
+ * @function
+ * @param {number} val Value to write
+ * @param {Uint8Array} buf Target buffer
+ * @param {number} pos Target buffer offset
+ * @returns {undefined}
+ */
+
+/**
+ * Writes a 32 bit float to a buffer using big endian byte order.
+ * @name util.float.writeFloatBE
+ * @function
+ * @param {number} val Value to write
+ * @param {Uint8Array} buf Target buffer
+ * @param {number} pos Target buffer offset
+ * @returns {undefined}
+ */
+
+/**
+ * Reads a 32 bit float from a buffer using little endian byte order.
+ * @name util.float.readFloatLE
+ * @function
+ * @param {Uint8Array} buf Source buffer
+ * @param {number} pos Source buffer offset
+ * @returns {number} Value read
+ */
+
+/**
+ * Reads a 32 bit float from a buffer using big endian byte order.
+ * @name util.float.readFloatBE
+ * @function
+ * @param {Uint8Array} buf Source buffer
+ * @param {number} pos Source buffer offset
+ * @returns {number} Value read
+ */
+
+/**
+ * Writes a 64 bit double to a buffer using little endian byte order.
+ * @name util.float.writeDoubleLE
+ * @function
+ * @param {number} val Value to write
+ * @param {Uint8Array} buf Target buffer
+ * @param {number} pos Target buffer offset
+ * @returns {undefined}
+ */
+
+/**
+ * Writes a 64 bit double to a buffer using big endian byte order.
+ * @name util.float.writeDoubleBE
+ * @function
+ * @param {number} val Value to write
+ * @param {Uint8Array} buf Target buffer
+ * @param {number} pos Target buffer offset
+ * @returns {undefined}
+ */
+
+/**
+ * Reads a 64 bit double from a buffer using little endian byte order.
+ * @name util.float.readDoubleLE
+ * @function
+ * @param {Uint8Array} buf Source buffer
+ * @param {number} pos Source buffer offset
+ * @returns {number} Value read
+ */
+
+/**
+ * Reads a 64 bit double from a buffer using big endian byte order.
+ * @name util.float.readDoubleBE
+ * @function
+ * @param {Uint8Array} buf Source buffer
+ * @param {number} pos Source buffer offset
+ * @returns {number} Value read
+ */
+
+// Factory function for the purpose of node-based testing in modified global environments
+function factory(exports) {
+
+ // float: typed array
+ if (typeof Float32Array !== "undefined") (function() {
+
+ var f32 = new Float32Array([ -0 ]),
+ f8b = new Uint8Array(f32.buffer),
+ le = f8b[3] === 128;
+
+ function writeFloat_f32_cpy(val, buf, pos) {
+ f32[0] = val;
+ buf[pos ] = f8b[0];
+ buf[pos + 1] = f8b[1];
+ buf[pos + 2] = f8b[2];
+ buf[pos + 3] = f8b[3];
+ }
+
+ function writeFloat_f32_rev(val, buf, pos) {
+ f32[0] = val;
+ buf[pos ] = f8b[3];
+ buf[pos + 1] = f8b[2];
+ buf[pos + 2] = f8b[1];
+ buf[pos + 3] = f8b[0];
+ }
+
+ /* istanbul ignore next */
+ exports.writeFloatLE = le ? writeFloat_f32_cpy : writeFloat_f32_rev;
+ /* istanbul ignore next */
+ exports.writeFloatBE = le ? writeFloat_f32_rev : writeFloat_f32_cpy;
+
+ function readFloat_f32_cpy(buf, pos) {
+ f8b[0] = buf[pos ];
+ f8b[1] = buf[pos + 1];
+ f8b[2] = buf[pos + 2];
+ f8b[3] = buf[pos + 3];
+ return f32[0];
+ }
+
+ function readFloat_f32_rev(buf, pos) {
+ f8b[3] = buf[pos ];
+ f8b[2] = buf[pos + 1];
+ f8b[1] = buf[pos + 2];
+ f8b[0] = buf[pos + 3];
+ return f32[0];
+ }
+
+ /* istanbul ignore next */
+ exports.readFloatLE = le ? readFloat_f32_cpy : readFloat_f32_rev;
+ /* istanbul ignore next */
+ exports.readFloatBE = le ? readFloat_f32_rev : readFloat_f32_cpy;
+
+ // float: ieee754
+ })(); else (function() {
+
+ function writeFloat_ieee754(writeUint, val, buf, pos) {
+ var sign = val < 0 ? 1 : 0;
+ if (sign)
+ val = -val;
+ if (val === 0)
+ writeUint(1 / val > 0 ? /* positive */ 0 : /* negative 0 */ 2147483648, buf, pos);
+ else if (isNaN(val))
+ writeUint(2143289344, buf, pos);
+ else if (val > 3.4028234663852886e+38) // +-Infinity
+ writeUint((sign << 31 | 2139095040) >>> 0, buf, pos);
+ else if (val < 1.1754943508222875e-38) // denormal
+ writeUint((sign << 31 | Math.round(val / 1.401298464324817e-45)) >>> 0, buf, pos);
+ else {
+ var exponent = Math.floor(Math.log(val) / Math.LN2),
+ mantissa = Math.round(val * Math.pow(2, -exponent) * 8388608) & 8388607;
+ writeUint((sign << 31 | exponent + 127 << 23 | mantissa) >>> 0, buf, pos);
+ }
+ }
+
+ exports.writeFloatLE = writeFloat_ieee754.bind(null, writeUintLE);
+ exports.writeFloatBE = writeFloat_ieee754.bind(null, writeUintBE);
+
+ function readFloat_ieee754(readUint, buf, pos) {
+ var uint = readUint(buf, pos),
+ sign = (uint >> 31) * 2 + 1,
+ exponent = uint >>> 23 & 255,
+ mantissa = uint & 8388607;
+ return exponent === 255
+ ? mantissa
+ ? NaN
+ : sign * Infinity
+ : exponent === 0 // denormal
+ ? sign * 1.401298464324817e-45 * mantissa
+ : sign * Math.pow(2, exponent - 150) * (mantissa + 8388608);
+ }
+
+ exports.readFloatLE = readFloat_ieee754.bind(null, readUintLE);
+ exports.readFloatBE = readFloat_ieee754.bind(null, readUintBE);
+
+ })();
+
+ // double: typed array
+ if (typeof Float64Array !== "undefined") (function() {
+
+ var f64 = new Float64Array([-0]),
+ f8b = new Uint8Array(f64.buffer),
+ le = f8b[7] === 128;
+
+ function writeDouble_f64_cpy(val, buf, pos) {
+ f64[0] = val;
+ buf[pos ] = f8b[0];
+ buf[pos + 1] = f8b[1];
+ buf[pos + 2] = f8b[2];
+ buf[pos + 3] = f8b[3];
+ buf[pos + 4] = f8b[4];
+ buf[pos + 5] = f8b[5];
+ buf[pos + 6] = f8b[6];
+ buf[pos + 7] = f8b[7];
+ }
+
+ function writeDouble_f64_rev(val, buf, pos) {
+ f64[0] = val;
+ buf[pos ] = f8b[7];
+ buf[pos + 1] = f8b[6];
+ buf[pos + 2] = f8b[5];
+ buf[pos + 3] = f8b[4];
+ buf[pos + 4] = f8b[3];
+ buf[pos + 5] = f8b[2];
+ buf[pos + 6] = f8b[1];
+ buf[pos + 7] = f8b[0];
+ }
+
+ /* istanbul ignore next */
+ exports.writeDoubleLE = le ? writeDouble_f64_cpy : writeDouble_f64_rev;
+ /* istanbul ignore next */
+ exports.writeDoubleBE = le ? writeDouble_f64_rev : writeDouble_f64_cpy;
+
+ function readDouble_f64_cpy(buf, pos) {
+ f8b[0] = buf[pos ];
+ f8b[1] = buf[pos + 1];
+ f8b[2] = buf[pos + 2];
+ f8b[3] = buf[pos + 3];
+ f8b[4] = buf[pos + 4];
+ f8b[5] = buf[pos + 5];
+ f8b[6] = buf[pos + 6];
+ f8b[7] = buf[pos + 7];
+ return f64[0];
+ }
+
+ function readDouble_f64_rev(buf, pos) {
+ f8b[7] = buf[pos ];
+ f8b[6] = buf[pos + 1];
+ f8b[5] = buf[pos + 2];
+ f8b[4] = buf[pos + 3];
+ f8b[3] = buf[pos + 4];
+ f8b[2] = buf[pos + 5];
+ f8b[1] = buf[pos + 6];
+ f8b[0] = buf[pos + 7];
+ return f64[0];
+ }
+
+ /* istanbul ignore next */
+ exports.readDoubleLE = le ? readDouble_f64_cpy : readDouble_f64_rev;
+ /* istanbul ignore next */
+ exports.readDoubleBE = le ? readDouble_f64_rev : readDouble_f64_cpy;
+
+ // double: ieee754
+ })(); else (function() {
+
+ function writeDouble_ieee754(writeUint, off0, off1, val, buf, pos) {
+ var sign = val < 0 ? 1 : 0;
+ if (sign)
+ val = -val;
+ if (val === 0) {
+ writeUint(0, buf, pos + off0);
+ writeUint(1 / val > 0 ? /* positive */ 0 : /* negative 0 */ 2147483648, buf, pos + off1);
+ } else if (isNaN(val)) {
+ writeUint(0, buf, pos + off0);
+ writeUint(2146959360, buf, pos + off1);
+ } else if (val > 1.7976931348623157e+308) { // +-Infinity
+ writeUint(0, buf, pos + off0);
+ writeUint((sign << 31 | 2146435072) >>> 0, buf, pos + off1);
+ } else {
+ var mantissa;
+ if (val < 2.2250738585072014e-308) { // denormal
+ mantissa = val / 5e-324;
+ writeUint(mantissa >>> 0, buf, pos + off0);
+ writeUint((sign << 31 | mantissa / 4294967296) >>> 0, buf, pos + off1);
+ } else {
+ var exponent = Math.floor(Math.log(val) / Math.LN2);
+ if (exponent === 1024)
+ exponent = 1023;
+ mantissa = val * Math.pow(2, -exponent);
+ writeUint(mantissa * 4503599627370496 >>> 0, buf, pos + off0);
+ writeUint((sign << 31 | exponent + 1023 << 20 | mantissa * 1048576 & 1048575) >>> 0, buf, pos + off1);
+ }
+ }
+ }
+
+ exports.writeDoubleLE = writeDouble_ieee754.bind(null, writeUintLE, 0, 4);
+ exports.writeDoubleBE = writeDouble_ieee754.bind(null, writeUintBE, 4, 0);
+
+ function readDouble_ieee754(readUint, off0, off1, buf, pos) {
+ var lo = readUint(buf, pos + off0),
+ hi = readUint(buf, pos + off1);
+ var sign = (hi >> 31) * 2 + 1,
+ exponent = hi >>> 20 & 2047,
+ mantissa = 4294967296 * (hi & 1048575) + lo;
+ return exponent === 2047
+ ? mantissa
+ ? NaN
+ : sign * Infinity
+ : exponent === 0 // denormal
+ ? sign * 5e-324 * mantissa
+ : sign * Math.pow(2, exponent - 1075) * (mantissa + 4503599627370496);
+ }
+
+ exports.readDoubleLE = readDouble_ieee754.bind(null, readUintLE, 0, 4);
+ exports.readDoubleBE = readDouble_ieee754.bind(null, readUintBE, 4, 0);
+
+ })();
+
+ return exports;
+}
+
+// uint helpers
+
+function writeUintLE(val, buf, pos) {
+ buf[pos ] = val & 255;
+ buf[pos + 1] = val >>> 8 & 255;
+ buf[pos + 2] = val >>> 16 & 255;
+ buf[pos + 3] = val >>> 24;
+}
+
+function writeUintBE(val, buf, pos) {
+ buf[pos ] = val >>> 24;
+ buf[pos + 1] = val >>> 16 & 255;
+ buf[pos + 2] = val >>> 8 & 255;
+ buf[pos + 3] = val & 255;
+}
+
+function readUintLE(buf, pos) {
+ return (buf[pos ]
+ | buf[pos + 1] << 8
+ | buf[pos + 2] << 16
+ | buf[pos + 3] << 24) >>> 0;
+}
+
+function readUintBE(buf, pos) {
+ return (buf[pos ] << 24
+ | buf[pos + 1] << 16
+ | buf[pos + 2] << 8
+ | buf[pos + 3]) >>> 0;
+}
|