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02e2c2ad3bfcf4691d61dcf2f95a19100e52a205
[platform/framework/web/crosswalk-tizen.git]
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'use strict';
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var floor = Math.floor;
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module.exports = function (x) {
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if (isNaN(x)) return NaN;
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x = Number(x);
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if (x === 0) return x;
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if (x === Infinity) return Infinity;
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if (x === -Infinity) return -Infinity;
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if (x > 0) return floor(x);
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return -floor(-x);
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};