25 lines
548 B
JavaScript
25 lines
548 B
JavaScript
"use strict"
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var abs = Math.abs
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, min = Math.min
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function almostEqual(a, b, absoluteError, relativeError) {
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var d = abs(a - b)
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if (absoluteError == null) absoluteError = almostEqual.DBL_EPSILON;
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if (relativeError == null) relativeError = absoluteError;
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if(d <= absoluteError) {
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return true
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}
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if(d <= relativeError * min(abs(a), abs(b))) {
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return true
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}
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return a === b
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}
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almostEqual.FLT_EPSILON = 1.19209290e-7
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almostEqual.DBL_EPSILON = 2.2204460492503131e-16
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module.exports = almostEqual
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