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16 lines
440 B
JavaScript
16 lines
440 B
JavaScript
// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
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var $export = require('./_export');
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$export($export.S, 'Math', {
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umulh: function umulh(u, v){
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var UINT16 = 0xffff
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, $u = +u
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, $v = +v
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, u0 = $u & UINT16
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, v0 = $v & UINT16
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, u1 = $u >>> 16
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, v1 = $v >>> 16
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, t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
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return u1 * v1 + (t >>> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >>> 16);
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}
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}); |