From d1291f67551c58168af43698a359cb5ddfd266b0 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Thu, 3 Nov 2016 01:33:53 +0100 Subject: node_modules --- node_modules/lodash/_createRound.js | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 node_modules/lodash/_createRound.js (limited to 'node_modules/lodash/_createRound.js') diff --git a/node_modules/lodash/_createRound.js b/node_modules/lodash/_createRound.js new file mode 100644 index 000000000..74b20d408 --- /dev/null +++ b/node_modules/lodash/_createRound.js @@ -0,0 +1,33 @@ +var toInteger = require('./toInteger'), + toNumber = require('./toNumber'), + toString = require('./toString'); + +/* Built-in method references for those with the same name as other `lodash` methods. */ +var nativeMin = Math.min; + +/** + * Creates a function like `_.round`. + * + * @private + * @param {string} methodName The name of the `Math` method to use when rounding. + * @returns {Function} Returns the new round function. + */ +function createRound(methodName) { + var func = Math[methodName]; + return function(number, precision) { + number = toNumber(number); + precision = nativeMin(toInteger(precision), 292); + if (precision) { + // Shift with exponential notation to avoid floating-point issues. + // See [MDN](https://mdn.io/round#Examples) for more details. + var pair = (toString(number) + 'e').split('e'), + value = func(pair[0] + 'e' + (+pair[1] + precision)); + + pair = (toString(value) + 'e').split('e'); + return +(pair[0] + 'e' + (+pair[1] - precision)); + } + return func(number); + }; +} + +module.exports = createRound; -- cgit v1.2.3