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e49d2661a8
The global isNaN is not precise at all, and Number.isNaN is an ES6 feature that makes it preferrable to use assert's sameValue for NaN values, as it handles it internally using the comparison.
36 lines
911 B
JavaScript
36 lines
911 B
JavaScript
// Copyright 2016 Rick Waldron. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-applying-the-exp-operator
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description: If base < 0 and base is finite and exponent is finite and exponent is not an integer, the result is NaN.
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---*/
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var exponents = [];
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var bases = [];
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bases[0] = -1.7976931348623157E308; //largest (by module) finite number
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bases[1] = -Math.PI;
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bases[2] = -1;
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bases[3] = -0.000000000000001;
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exponents[0] = -Math.PI;
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exponents[1] = -Math.E;
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exponents[2] = -1.000000000000001;
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exponents[3] = -0.000000000000001;
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exponents[4] = 0.000000000000001;
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exponents[5] = 1.000000000000001;
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exponents[6] = Math.E;
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exponents[7] = Math.PI;
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for (var i = 0; i < bases.length; i++) {
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for (var j = 0; j < exponents.length; j++) {
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assert.sameValue(
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bases[i] ** exponents[j],
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NaN,
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bases[i] + " ** " + exponents[j]
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);
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}
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}
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