diff options
Diffstat (limited to 'node_modules/es5-ext/math')
71 files changed, 764 insertions, 0 deletions
diff --git a/node_modules/es5-ext/math/_pack-ieee754.js b/node_modules/es5-ext/math/_pack-ieee754.js new file mode 100644 index 000000000..b77bc8d40 --- /dev/null +++ b/node_modules/es5-ext/math/_pack-ieee754.js @@ -0,0 +1,88 @@ +/* eslint no-bitwise: "off" */ +// Credit: https://github.com/paulmillr/es6-shim/ + +"use strict"; + +var abs = Math.abs + , floor = Math.floor + , log = Math.log + , min = Math.min + , pow = Math.pow + , LN2 = Math.LN2 + , roundToEven; + +roundToEven = function (num) { + var whole = floor(num), fraction = num - whole; + if (fraction < 0.5) return whole; + if (fraction > 0.5) return whole + 1; + return whole % 2 ? whole + 1 : whole; +}; + +// eslint-disable-next-line max-statements +module.exports = function (value, ebits, fbits) { + var bias = (1 << (ebits - 1)) - 1, sign, e, fraction, i, bits, str, bytes; + + // Compute sign, exponent, fraction + if (isNaN(value)) { + // NaN + // http://dev.w3.org/2006/webapi/WebIDL/#es-type-mapping + e = (1 << ebits) - 1; + fraction = pow(2, fbits - 1); + sign = 0; + } else if (value === Infinity || value === -Infinity) { + e = (1 << ebits) - 1; + fraction = 0; + sign = value < 0 ? 1 : 0; + } else if (value === 0) { + e = 0; + fraction = 0; + sign = 1 / value === -Infinity ? 1 : 0; + } else { + sign = value < 0; + value = abs(value); + + if (value >= pow(2, 1 - bias)) { + e = min(floor(log(value) / LN2), 1023); + fraction = roundToEven(value / pow(2, e) * pow(2, fbits)); + if (fraction / pow(2, fbits) >= 2) { + e += 1; + fraction = 1; + } + if (e > bias) { + // Overflow + e = (1 << ebits) - 1; + fraction = 0; + } else { + // Normal + e += bias; + fraction -= pow(2, fbits); + } + } else { + // Subnormal + e = 0; + fraction = roundToEven(value / pow(2, 1 - bias - fbits)); + } + } + + // Pack sign, exponent, fraction + bits = []; + for (i = fbits; i; i -= 1) { + bits.push(fraction % 2 ? 1 : 0); + fraction = floor(fraction / 2); + } + for (i = ebits; i; i -= 1) { + bits.push(e % 2 ? 1 : 0); + e = floor(e / 2); + } + bits.push(sign ? 1 : 0); + bits.reverse(); + str = bits.join(""); + + // Bits to bytes + bytes = []; + while (str.length) { + bytes.push(parseInt(str.substring(0, 8), 2)); + str = str.substring(8); + } + return bytes; +}; diff --git a/node_modules/es5-ext/math/_unpack-ieee754.js b/node_modules/es5-ext/math/_unpack-ieee754.js new file mode 100644 index 000000000..83fa9475e --- /dev/null +++ b/node_modules/es5-ext/math/_unpack-ieee754.js @@ -0,0 +1,33 @@ +/* eslint no-bitwise: "off" */ +// Credit: https://github.com/paulmillr/es6-shim/ + +"use strict"; + +var pow = Math.pow; + +module.exports = function (bytes, ebits, fbits) { + // Bytes to bits + var bits = [], i, j, bit, str, bias, sign, e, fraction; + + for (i = bytes.length; i; i -= 1) { + bit = bytes[i - 1]; + for (j = 8; j; j -= 1) { + bits.push(bit % 2 ? 1 : 0); + bit >>= 1; + } + } + bits.reverse(); + str = bits.join(""); + + // Unpack sign, exponent, fraction + bias = (1 << (ebits - 1)) - 1; + sign = parseInt(str.substring(0, 1), 2) ? -1 : 1; + e = parseInt(str.substring(1, 1 + ebits), 2); + fraction = parseInt(str.substring(1 + ebits), 2); + + // Produce number + if (e === (1 << ebits) - 1) return fraction === 0 ? sign * Infinity : NaN; + if (e > 0) return sign * pow(2, e - bias) * (1 + fraction / pow(2, fbits)); + if (fraction !== 0) return sign * pow(2, -(bias - 1)) * (fraction / pow(2, fbits)); + return sign < 0 ? -0 : 0; +}; diff --git a/node_modules/es5-ext/math/acosh/implement.js b/node_modules/es5-ext/math/acosh/implement.js new file mode 100644 index 000000000..ea75c7d13 --- /dev/null +++ b/node_modules/es5-ext/math/acosh/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "acosh", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/acosh/index.js b/node_modules/es5-ext/math/acosh/index.js new file mode 100644 index 000000000..160f6b992 --- /dev/null +++ b/node_modules/es5-ext/math/acosh/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.acosh + : require("./shim"); diff --git a/node_modules/es5-ext/math/acosh/is-implemented.js b/node_modules/es5-ext/math/acosh/is-implemented.js new file mode 100644 index 000000000..2e9730136 --- /dev/null +++ b/node_modules/es5-ext/math/acosh/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var acosh = Math.acosh; + if (typeof acosh !== "function") return false; + return acosh(2) === 1.3169578969248166; +}; diff --git a/node_modules/es5-ext/math/acosh/shim.js b/node_modules/es5-ext/math/acosh/shim.js new file mode 100644 index 000000000..3e632ffba --- /dev/null +++ b/node_modules/es5-ext/math/acosh/shim.js @@ -0,0 +1,12 @@ +"use strict"; + +var log = Math.log, sqrt = Math.sqrt; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value < 1) return NaN; + if (value === 1) return 0; + if (value === Infinity) return value; + return log(value + sqrt(value * value - 1)); +}; diff --git a/node_modules/es5-ext/math/asinh/implement.js b/node_modules/es5-ext/math/asinh/implement.js new file mode 100644 index 000000000..efa6704ec --- /dev/null +++ b/node_modules/es5-ext/math/asinh/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "asinh", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/asinh/index.js b/node_modules/es5-ext/math/asinh/index.js new file mode 100644 index 000000000..b5fb120f2 --- /dev/null +++ b/node_modules/es5-ext/math/asinh/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.asinh + : require("./shim"); diff --git a/node_modules/es5-ext/math/asinh/is-implemented.js b/node_modules/es5-ext/math/asinh/is-implemented.js new file mode 100644 index 000000000..a7e0f20f8 --- /dev/null +++ b/node_modules/es5-ext/math/asinh/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var asinh = Math.asinh; + if (typeof asinh !== "function") return false; + return asinh(2) === 1.4436354751788103; +}; diff --git a/node_modules/es5-ext/math/asinh/shim.js b/node_modules/es5-ext/math/asinh/shim.js new file mode 100644 index 000000000..30ce2e4d6 --- /dev/null +++ b/node_modules/es5-ext/math/asinh/shim.js @@ -0,0 +1,15 @@ +"use strict"; + +var log = Math.log, sqrt = Math.sqrt; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value === 0) return value; + if (!isFinite(value)) return value; + if (value < 0) { + value = -value; + return -log(value + sqrt(value * value + 1)); + } + return log(value + sqrt(value * value + 1)); +}; diff --git a/node_modules/es5-ext/math/atanh/implement.js b/node_modules/es5-ext/math/atanh/implement.js new file mode 100644 index 000000000..47d5cc22a --- /dev/null +++ b/node_modules/es5-ext/math/atanh/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "atanh", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/atanh/index.js b/node_modules/es5-ext/math/atanh/index.js new file mode 100644 index 000000000..51fbcd66a --- /dev/null +++ b/node_modules/es5-ext/math/atanh/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.atanh + : require("./shim"); diff --git a/node_modules/es5-ext/math/atanh/is-implemented.js b/node_modules/es5-ext/math/atanh/is-implemented.js new file mode 100644 index 000000000..4787c4fa6 --- /dev/null +++ b/node_modules/es5-ext/math/atanh/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var atanh = Math.atanh; + if (typeof atanh !== "function") return false; + return Math.round(atanh(0.5) * 1e15) === 549306144334055; +}; diff --git a/node_modules/es5-ext/math/atanh/shim.js b/node_modules/es5-ext/math/atanh/shim.js new file mode 100644 index 000000000..9383e9714 --- /dev/null +++ b/node_modules/es5-ext/math/atanh/shim.js @@ -0,0 +1,14 @@ +"use strict"; + +var log = Math.log; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value < -1) return NaN; + if (value > 1) return NaN; + if (value === -1) return -Infinity; + if (value === 1) return Infinity; + if (value === 0) return value; + return 0.5 * log((1 + value) / (1 - value)); +}; diff --git a/node_modules/es5-ext/math/cbrt/implement.js b/node_modules/es5-ext/math/cbrt/implement.js new file mode 100644 index 000000000..f5adbab0d --- /dev/null +++ b/node_modules/es5-ext/math/cbrt/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "cbrt", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/cbrt/index.js b/node_modules/es5-ext/math/cbrt/index.js new file mode 100644 index 000000000..47806407c --- /dev/null +++ b/node_modules/es5-ext/math/cbrt/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.cbrt + : require("./shim"); diff --git a/node_modules/es5-ext/math/cbrt/is-implemented.js b/node_modules/es5-ext/math/cbrt/is-implemented.js new file mode 100644 index 000000000..a8ac0db26 --- /dev/null +++ b/node_modules/es5-ext/math/cbrt/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var cbrt = Math.cbrt; + if (typeof cbrt !== "function") return false; + return cbrt(2) === 1.2599210498948732; +}; diff --git a/node_modules/es5-ext/math/cbrt/shim.js b/node_modules/es5-ext/math/cbrt/shim.js new file mode 100644 index 000000000..8871c552f --- /dev/null +++ b/node_modules/es5-ext/math/cbrt/shim.js @@ -0,0 +1,12 @@ +"use strict"; + +var pow = Math.pow; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value === 0) return value; + if (!isFinite(value)) return value; + if (value < 0) return -pow(-value, 1 / 3); + return pow(value, 1 / 3); +}; diff --git a/node_modules/es5-ext/math/clz32/implement.js b/node_modules/es5-ext/math/clz32/implement.js new file mode 100644 index 000000000..10b4a41d0 --- /dev/null +++ b/node_modules/es5-ext/math/clz32/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "clz32", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/clz32/index.js b/node_modules/es5-ext/math/clz32/index.js new file mode 100644 index 000000000..a16ee33a5 --- /dev/null +++ b/node_modules/es5-ext/math/clz32/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.clz32 + : require("./shim"); diff --git a/node_modules/es5-ext/math/clz32/is-implemented.js b/node_modules/es5-ext/math/clz32/is-implemented.js new file mode 100644 index 000000000..ee6d88288 --- /dev/null +++ b/node_modules/es5-ext/math/clz32/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var clz32 = Math.clz32; + if (typeof clz32 !== "function") return false; + return clz32(1000) === 22; +}; diff --git a/node_modules/es5-ext/math/clz32/shim.js b/node_modules/es5-ext/math/clz32/shim.js new file mode 100644 index 000000000..2b526c2c2 --- /dev/null +++ b/node_modules/es5-ext/math/clz32/shim.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function (value) { + // eslint-disable-next-line no-bitwise + value >>>= 0; + return value ? 32 - value.toString(2).length : 32; +}; diff --git a/node_modules/es5-ext/math/cosh/implement.js b/node_modules/es5-ext/math/cosh/implement.js new file mode 100644 index 000000000..6f42b3879 --- /dev/null +++ b/node_modules/es5-ext/math/cosh/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "cosh", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/cosh/index.js b/node_modules/es5-ext/math/cosh/index.js new file mode 100644 index 000000000..5ed349afc --- /dev/null +++ b/node_modules/es5-ext/math/cosh/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.cosh + : require("./shim"); diff --git a/node_modules/es5-ext/math/cosh/is-implemented.js b/node_modules/es5-ext/math/cosh/is-implemented.js new file mode 100644 index 000000000..7173054c7 --- /dev/null +++ b/node_modules/es5-ext/math/cosh/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var cosh = Math.cosh; + if (typeof cosh !== "function") return false; + return cosh(1) === 1.5430806348152437; +}; diff --git a/node_modules/es5-ext/math/cosh/shim.js b/node_modules/es5-ext/math/cosh/shim.js new file mode 100644 index 000000000..c762c84da --- /dev/null +++ b/node_modules/es5-ext/math/cosh/shim.js @@ -0,0 +1,11 @@ +"use strict"; + +var exp = Math.exp; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value === 0) return 1; + if (!isFinite(value)) return Infinity; + return (exp(value) + exp(-value)) / 2; +}; diff --git a/node_modules/es5-ext/math/expm1/implement.js b/node_modules/es5-ext/math/expm1/implement.js new file mode 100644 index 000000000..8c9d81113 --- /dev/null +++ b/node_modules/es5-ext/math/expm1/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "expm1", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/expm1/index.js b/node_modules/es5-ext/math/expm1/index.js new file mode 100644 index 000000000..5b5dff6b2 --- /dev/null +++ b/node_modules/es5-ext/math/expm1/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.expm1 + : require("./shim"); diff --git a/node_modules/es5-ext/math/expm1/is-implemented.js b/node_modules/es5-ext/math/expm1/is-implemented.js new file mode 100644 index 000000000..dfd056e0a --- /dev/null +++ b/node_modules/es5-ext/math/expm1/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var expm1 = Math.expm1; + if (typeof expm1 !== "function") return false; + return expm1(1).toFixed(15) === "1.718281828459045"; +}; diff --git a/node_modules/es5-ext/math/expm1/shim.js b/node_modules/es5-ext/math/expm1/shim.js new file mode 100644 index 000000000..ce737b3bc --- /dev/null +++ b/node_modules/es5-ext/math/expm1/shim.js @@ -0,0 +1,16 @@ +// Thanks: https://github.com/monolithed/ECMAScript-6 + +"use strict"; + +var exp = Math.exp; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value === 0) return value; + if (value === Infinity) return Infinity; + if (value === -Infinity) return -1; + + if (value > -1.0e-6 && value < 1.0e-6) return value + value * value / 2; + return exp(value) - 1; +}; diff --git a/node_modules/es5-ext/math/fround/implement.js b/node_modules/es5-ext/math/fround/implement.js new file mode 100644 index 000000000..b54d2fca6 --- /dev/null +++ b/node_modules/es5-ext/math/fround/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "fround", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/fround/index.js b/node_modules/es5-ext/math/fround/index.js new file mode 100644 index 000000000..db409e837 --- /dev/null +++ b/node_modules/es5-ext/math/fround/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.fround + : require("./shim"); diff --git a/node_modules/es5-ext/math/fround/is-implemented.js b/node_modules/es5-ext/math/fround/is-implemented.js new file mode 100644 index 000000000..ad2b705df --- /dev/null +++ b/node_modules/es5-ext/math/fround/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var fround = Math.fround; + if (typeof fround !== "function") return false; + return fround(1.337) === 1.3370000123977661; +}; diff --git a/node_modules/es5-ext/math/fround/shim.js b/node_modules/es5-ext/math/fround/shim.js new file mode 100644 index 000000000..bfbc54c6c --- /dev/null +++ b/node_modules/es5-ext/math/fround/shim.js @@ -0,0 +1,35 @@ +/* global Float32Array */ + +// Credit: https://github.com/paulmillr/es6-shim/blob/master/es6-shim.js + +"use strict"; + +var toFloat32; + +if (typeof Float32Array === "undefined") { + toFloat32 = (function () { + var pack = require("../_pack-ieee754") + , unpack = require("../_unpack-ieee754"); + + return function (value) { + return unpack(pack(value, 8, 23), 8, 23); + }; + }()); +} else { + toFloat32 = (function () { + var float32Array = new Float32Array(1); + return function (num) { + float32Array[0] = num; + return float32Array[0]; + }; + }()); +} + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value === 0) return value; + if (!isFinite(value)) return value; + + return toFloat32(value); +}; diff --git a/node_modules/es5-ext/math/hypot/implement.js b/node_modules/es5-ext/math/hypot/implement.js new file mode 100644 index 000000000..e2b3928b3 --- /dev/null +++ b/node_modules/es5-ext/math/hypot/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "hypot", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/hypot/index.js b/node_modules/es5-ext/math/hypot/index.js new file mode 100644 index 000000000..a030a4198 --- /dev/null +++ b/node_modules/es5-ext/math/hypot/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.hypot + : require("./shim"); diff --git a/node_modules/es5-ext/math/hypot/is-implemented.js b/node_modules/es5-ext/math/hypot/is-implemented.js new file mode 100644 index 000000000..d317bc7e5 --- /dev/null +++ b/node_modules/es5-ext/math/hypot/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var hypot = Math.hypot; + if (typeof hypot !== "function") return false; + return hypot(3, 4) === 5; +}; diff --git a/node_modules/es5-ext/math/hypot/shim.js b/node_modules/es5-ext/math/hypot/shim.js new file mode 100644 index 000000000..2a92b1715 --- /dev/null +++ b/node_modules/es5-ext/math/hypot/shim.js @@ -0,0 +1,43 @@ +// Thanks for hints: https://github.com/paulmillr/es6-shim + +"use strict"; + +var some = Array.prototype.some + , abs = Math.abs + , sqrt = Math.sqrt + , compare = function (val1, val2) { + return val2 - val1; +} + , divide = function (value) { + return value / this; +} + , add = function (sum, number) { + return sum + number * number; +}; + +// eslint-disable-next-line no-unused-vars +module.exports = function (val1, val2 /*, …valn*/) { + var result, numbers; + if (!arguments.length) return 0; + some.call(arguments, function (val) { + if (isNaN(val)) { + result = NaN; + return false; + } + if (!isFinite(val)) { + result = Infinity; + return true; + } + if (result !== undefined) return false; + val = Number(val); + if (val === 0) return false; + if (numbers) numbers.push(abs(val)); + else numbers = [abs(val)]; + return false; + }); + if (result !== undefined) return result; + if (!numbers) return 0; + + numbers.sort(compare); + return numbers[0] * sqrt(numbers.map(divide, numbers[0]).reduce(add, 0)); +}; diff --git a/node_modules/es5-ext/math/imul/implement.js b/node_modules/es5-ext/math/imul/implement.js new file mode 100644 index 000000000..bff57735b --- /dev/null +++ b/node_modules/es5-ext/math/imul/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "imul", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/imul/index.js b/node_modules/es5-ext/math/imul/index.js new file mode 100644 index 000000000..a756d5949 --- /dev/null +++ b/node_modules/es5-ext/math/imul/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.imul + : require("./shim"); diff --git a/node_modules/es5-ext/math/imul/is-implemented.js b/node_modules/es5-ext/math/imul/is-implemented.js new file mode 100644 index 000000000..0f3291984 --- /dev/null +++ b/node_modules/es5-ext/math/imul/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var imul = Math.imul; + if (typeof imul !== "function") return false; + return imul(-1, 8) === -8; +}; diff --git a/node_modules/es5-ext/math/imul/shim.js b/node_modules/es5-ext/math/imul/shim.js new file mode 100644 index 000000000..a14e5895b --- /dev/null +++ b/node_modules/es5-ext/math/imul/shim.js @@ -0,0 +1,17 @@ +/* eslint no-bitwise: "off" */ + +// Thanks: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference +// /Global_Objects/Math/imul + +"use strict"; + +module.exports = function (val1, val2) { + var xh = (val1 >>> 16) & 0xffff + , xl = val1 & 0xffff + , yh = (val2 >>> 16) & 0xffff + , yl = val2 & 0xffff; + + // The shift by 0 fixes the sign on the high part + // the final |0 converts the unsigned value into a signed value + return (xl * yl + ((xh * yl + xl * yh) << 16 >>> 0)) | 0; +}; diff --git a/node_modules/es5-ext/math/index.js b/node_modules/es5-ext/math/index.js new file mode 100644 index 000000000..db86101ff --- /dev/null +++ b/node_modules/es5-ext/math/index.js @@ -0,0 +1,21 @@ +"use strict"; + +module.exports = { + acosh: require("./acosh"), + asinh: require("./asinh"), + atanh: require("./atanh"), + cbrt: require("./cbrt"), + clz32: require("./clz32"), + cosh: require("./cosh"), + expm1: require("./expm1"), + fround: require("./fround"), + hypot: require("./hypot"), + imul: require("./imul"), + log10: require("./log10"), + log2: require("./log2"), + log1p: require("./log1p"), + sign: require("./sign"), + sinh: require("./sinh"), + tanh: require("./tanh"), + trunc: require("./trunc") +}; diff --git a/node_modules/es5-ext/math/log10/implement.js b/node_modules/es5-ext/math/log10/implement.js new file mode 100644 index 000000000..669cee887 --- /dev/null +++ b/node_modules/es5-ext/math/log10/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "log10", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/log10/index.js b/node_modules/es5-ext/math/log10/index.js new file mode 100644 index 000000000..bc2ec4816 --- /dev/null +++ b/node_modules/es5-ext/math/log10/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.log10 + : require("./shim"); diff --git a/node_modules/es5-ext/math/log10/is-implemented.js b/node_modules/es5-ext/math/log10/is-implemented.js new file mode 100644 index 000000000..f2217597d --- /dev/null +++ b/node_modules/es5-ext/math/log10/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var log10 = Math.log10; + if (typeof log10 !== "function") return false; + return log10(2) === 0.3010299956639812; +}; diff --git a/node_modules/es5-ext/math/log10/shim.js b/node_modules/es5-ext/math/log10/shim.js new file mode 100644 index 000000000..e8599a260 --- /dev/null +++ b/node_modules/es5-ext/math/log10/shim.js @@ -0,0 +1,14 @@ +"use strict"; + +var log = Math.log, LOG10E = Math.LOG10E; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value < 0) return NaN; + if (value === 0) return -Infinity; + if (value === 1) return 0; + if (value === Infinity) return Infinity; + + return log(value) * LOG10E; +}; diff --git a/node_modules/es5-ext/math/log1p/implement.js b/node_modules/es5-ext/math/log1p/implement.js new file mode 100644 index 000000000..36fcee619 --- /dev/null +++ b/node_modules/es5-ext/math/log1p/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "log1p", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/log1p/index.js b/node_modules/es5-ext/math/log1p/index.js new file mode 100644 index 000000000..41c67364f --- /dev/null +++ b/node_modules/es5-ext/math/log1p/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.log1p + : require("./shim"); diff --git a/node_modules/es5-ext/math/log1p/is-implemented.js b/node_modules/es5-ext/math/log1p/is-implemented.js new file mode 100644 index 000000000..7626ab47e --- /dev/null +++ b/node_modules/es5-ext/math/log1p/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var log1p = Math.log1p; + if (typeof log1p !== "function") return false; + return log1p(1) === 0.6931471805599453; +}; diff --git a/node_modules/es5-ext/math/log1p/shim.js b/node_modules/es5-ext/math/log1p/shim.js new file mode 100644 index 000000000..7c6f22734 --- /dev/null +++ b/node_modules/es5-ext/math/log1p/shim.js @@ -0,0 +1,17 @@ +// Thanks: https://github.com/monolithed/ECMAScript-6/blob/master/ES6.js + +"use strict"; + +var log = Math.log; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value < -1) return NaN; + if (value === -1) return -Infinity; + if (value === 0) return value; + if (value === Infinity) return Infinity; + + if (value > -1.0e-8 && value < 1.0e-8) return value - value * value / 2; + return log(1 + value); +}; diff --git a/node_modules/es5-ext/math/log2/implement.js b/node_modules/es5-ext/math/log2/implement.js new file mode 100644 index 000000000..f1c04e096 --- /dev/null +++ b/node_modules/es5-ext/math/log2/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "log2", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/log2/index.js b/node_modules/es5-ext/math/log2/index.js new file mode 100644 index 000000000..d319caec4 --- /dev/null +++ b/node_modules/es5-ext/math/log2/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.log2 + : require("./shim"); diff --git a/node_modules/es5-ext/math/log2/is-implemented.js b/node_modules/es5-ext/math/log2/is-implemented.js new file mode 100644 index 000000000..c70963f66 --- /dev/null +++ b/node_modules/es5-ext/math/log2/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var log2 = Math.log2; + if (typeof log2 !== "function") return false; + return log2(3).toFixed(15) === "1.584962500721156"; +}; diff --git a/node_modules/es5-ext/math/log2/shim.js b/node_modules/es5-ext/math/log2/shim.js new file mode 100644 index 000000000..51fcdae90 --- /dev/null +++ b/node_modules/es5-ext/math/log2/shim.js @@ -0,0 +1,14 @@ +"use strict"; + +var log = Math.log, LOG2E = Math.LOG2E; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value < 0) return NaN; + if (value === 0) return -Infinity; + if (value === 1) return 0; + if (value === Infinity) return Infinity; + + return log(value) * LOG2E; +}; diff --git a/node_modules/es5-ext/math/sign/implement.js b/node_modules/es5-ext/math/sign/implement.js new file mode 100644 index 000000000..bc7da14d1 --- /dev/null +++ b/node_modules/es5-ext/math/sign/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "sign", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/sign/index.js b/node_modules/es5-ext/math/sign/index.js new file mode 100644 index 000000000..9f2865643 --- /dev/null +++ b/node_modules/es5-ext/math/sign/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.sign + : require("./shim"); diff --git a/node_modules/es5-ext/math/sign/is-implemented.js b/node_modules/es5-ext/math/sign/is-implemented.js new file mode 100644 index 000000000..23ff83a6c --- /dev/null +++ b/node_modules/es5-ext/math/sign/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var sign = Math.sign; + if (typeof sign !== "function") return false; + return (sign(10) === 1) && (sign(-20) === -1); +}; diff --git a/node_modules/es5-ext/math/sign/shim.js b/node_modules/es5-ext/math/sign/shim.js new file mode 100644 index 000000000..760c69d12 --- /dev/null +++ b/node_modules/es5-ext/math/sign/shim.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function (value) { + value = Number(value); + if (isNaN(value) || (value === 0)) return value; + return value > 0 ? 1 : -1; +}; diff --git a/node_modules/es5-ext/math/sinh/implement.js b/node_modules/es5-ext/math/sinh/implement.js new file mode 100644 index 000000000..cc4c40bcb --- /dev/null +++ b/node_modules/es5-ext/math/sinh/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "sinh", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/sinh/index.js b/node_modules/es5-ext/math/sinh/index.js new file mode 100644 index 000000000..2c43dce17 --- /dev/null +++ b/node_modules/es5-ext/math/sinh/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.sinh + : require("./shim"); diff --git a/node_modules/es5-ext/math/sinh/is-implemented.js b/node_modules/es5-ext/math/sinh/is-implemented.js new file mode 100644 index 000000000..5e4ee40c3 --- /dev/null +++ b/node_modules/es5-ext/math/sinh/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var sinh = Math.sinh; + if (typeof sinh !== "function") return false; + return (sinh(1) === 1.1752011936438014) && (sinh(Number.MIN_VALUE) === 5e-324); +}; diff --git a/node_modules/es5-ext/math/sinh/shim.js b/node_modules/es5-ext/math/sinh/shim.js new file mode 100644 index 000000000..fc6a04776 --- /dev/null +++ b/node_modules/es5-ext/math/sinh/shim.js @@ -0,0 +1,18 @@ +// Parts of implementation taken from es6-shim project +// See: https://github.com/paulmillr/es6-shim/blob/master/es6-shim.js + +"use strict"; + +var expm1 = require("../expm1") + , abs = Math.abs + , exp = Math.exp + , e = Math.E; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value === 0) return value; + if (!isFinite(value)) return value; + if (abs(value) < 1) return (expm1(value) - expm1(-value)) / 2; + return (exp(value - 1) - exp(-value - 1)) * e / 2; +}; diff --git a/node_modules/es5-ext/math/tanh/implement.js b/node_modules/es5-ext/math/tanh/implement.js new file mode 100644 index 000000000..9e30d10d1 --- /dev/null +++ b/node_modules/es5-ext/math/tanh/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "tanh", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/tanh/index.js b/node_modules/es5-ext/math/tanh/index.js new file mode 100644 index 000000000..7c45d9887 --- /dev/null +++ b/node_modules/es5-ext/math/tanh/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.tanh + : require("./shim"); diff --git a/node_modules/es5-ext/math/tanh/is-implemented.js b/node_modules/es5-ext/math/tanh/is-implemented.js new file mode 100644 index 000000000..b17a1bc42 --- /dev/null +++ b/node_modules/es5-ext/math/tanh/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var tanh = Math.tanh; + if (typeof tanh !== "function") return false; + return (tanh(1) === 0.7615941559557649) && (tanh(Number.MAX_VALUE) === 1); +}; diff --git a/node_modules/es5-ext/math/tanh/shim.js b/node_modules/es5-ext/math/tanh/shim.js new file mode 100644 index 000000000..974dd7cda --- /dev/null +++ b/node_modules/es5-ext/math/tanh/shim.js @@ -0,0 +1,17 @@ +"use strict"; + +var exp = Math.exp; + +module.exports = function (value) { + var num1, num2; + if (isNaN(value)) return NaN; + value = Number(value); + if (value === 0) return value; + if (value === Infinity) return 1; + if (value === -Infinity) return -1; + num1 = exp(value); + if (num1 === Infinity) return 1; + num2 = exp(-value); + if (num2 === Infinity) return -1; + return (num1 - num2) / (num1 + num2); +}; diff --git a/node_modules/es5-ext/math/trunc/implement.js b/node_modules/es5-ext/math/trunc/implement.js new file mode 100644 index 000000000..1ecc124cd --- /dev/null +++ b/node_modules/es5-ext/math/trunc/implement.js @@ -0,0 +1,8 @@ +"use strict"; + +if (!require("./is-implemented")()) { + Object.defineProperty(Math, "trunc", { value: require("./shim"), + configurable: true, +enumerable: false, +writable: true }); +} diff --git a/node_modules/es5-ext/math/trunc/index.js b/node_modules/es5-ext/math/trunc/index.js new file mode 100644 index 000000000..94c02691a --- /dev/null +++ b/node_modules/es5-ext/math/trunc/index.js @@ -0,0 +1,5 @@ +"use strict"; + +module.exports = require("./is-implemented")() + ? Math.trunc + : require("./shim"); diff --git a/node_modules/es5-ext/math/trunc/is-implemented.js b/node_modules/es5-ext/math/trunc/is-implemented.js new file mode 100644 index 000000000..b1507352e --- /dev/null +++ b/node_modules/es5-ext/math/trunc/is-implemented.js @@ -0,0 +1,7 @@ +"use strict"; + +module.exports = function () { + var trunc = Math.trunc; + if (typeof trunc !== "function") return false; + return (trunc(13.67) === 13) && (trunc(-13.67) === -13); +}; diff --git a/node_modules/es5-ext/math/trunc/shim.js b/node_modules/es5-ext/math/trunc/shim.js new file mode 100644 index 000000000..bf6ac8cce --- /dev/null +++ b/node_modules/es5-ext/math/trunc/shim.js @@ -0,0 +1,13 @@ +"use strict"; + +var floor = Math.floor; + +module.exports = function (value) { + if (isNaN(value)) return NaN; + value = Number(value); + if (value === 0) return value; + if (value === Infinity) return Infinity; + if (value === -Infinity) return -Infinity; + if (value > 0) return floor(value); + return -floor(-value); +}; |