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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/core-js/library/modules/_math-scale.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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diff --git a/node_modules/core-js/library/modules/_math-scale.js b/node_modules/core-js/library/modules/_math-scale.js
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+// https://rwaldron.github.io/proposal-math-extensions/
+module.exports = Math.scale || function scale(x, inLow, inHigh, outLow, outHigh) {
+ if (
+ arguments.length === 0
+ // eslint-disable-next-line no-self-compare
+ || x != x
+ // eslint-disable-next-line no-self-compare
+ || inLow != inLow
+ // eslint-disable-next-line no-self-compare
+ || inHigh != inHigh
+ // eslint-disable-next-line no-self-compare
+ || outLow != outLow
+ // eslint-disable-next-line no-self-compare
+ || outHigh != outHigh
+ ) return NaN;
+ if (x === Infinity || x === -Infinity) return x;
+ return (x - inLow) * (outHigh - outLow) / (inHigh - inLow) + outLow;
+};