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| author | Priyansh <[email protected]> | 2020-12-22 17:49:59 +0530 |
|---|---|---|
| committer | Priyansh <[email protected]> | 2020-12-22 17:49:59 +0530 |
| commit | e93da8b04da86773247aadb1cbb1912e4f4526b2 (patch) | |
| tree | eb4ef3203a92ed3dbd2252ddb1ea23bd2d670c98 /node_modules/lodash/_createRound.js | |
| parent | a5743c293dcb435e4b159a4df791f8955a4110ec (diff) | |
| download | styx-e93da8b04da86773247aadb1cbb1912e4f4526b2.tar.xz styx-e93da8b04da86773247aadb1cbb1912e4f4526b2.zip | |
Rewriting Project
Diffstat (limited to 'node_modules/lodash/_createRound.js')
| -rw-r--r-- | node_modules/lodash/_createRound.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/node_modules/lodash/_createRound.js b/node_modules/lodash/_createRound.js new file mode 100644 index 0000000..88be5df --- /dev/null +++ b/node_modules/lodash/_createRound.js @@ -0,0 +1,35 @@ +var root = require('./_root'), + toInteger = require('./toInteger'), + toNumber = require('./toNumber'), + toString = require('./toString'); + +/* Built-in method references for those with the same name as other `lodash` methods. */ +var nativeIsFinite = root.isFinite, + 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 = precision == null ? 0 : nativeMin(toInteger(precision), 292); + if (precision && nativeIsFinite(number)) { + // 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; |
