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'use strict';
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var numberIsNaN = function (value) {
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return value !== value;
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};
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module.exports = function is(a, b) {
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if (a === 0 && b === 0) {
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return 1 / a === 1 / b;
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}
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if (a === b) {
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return true;
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}
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if (numberIsNaN(a) && numberIsNaN(b)) {
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return true;
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}
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return false;
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};
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