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Last change
on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 12 days ago |
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Fix frontend appearance
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Property mode
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100644
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File size:
607 bytes
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| 1 | 'use strict';
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| 2 | // `Math.scale` method implementation
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| 3 | // https://rwaldron.github.io/proposal-math-extensions/
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| 4 | module.exports = function scale(x, inLow, inHigh, outLow, outHigh) {
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| 5 | var nx = +x;
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| 6 | var nInLow = +inLow;
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| 7 | var nInHigh = +inHigh;
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| 8 | var nOutLow = +outLow;
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| 9 | var nOutHigh = +outHigh;
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| 10 | // eslint-disable-next-line no-self-compare -- NaN check
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| 11 | if (nx !== nx || nInLow !== nInLow || nInHigh !== nInHigh || nOutLow !== nOutLow || nOutHigh !== nOutHigh) return NaN;
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| 12 | if (nx === Infinity || nx === -Infinity) return nx;
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| 13 | return (nx - nInLow) * (nOutHigh - nOutLow) / (nInHigh - nInLow) + nOutLow;
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| 14 | };
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