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18 lines
525 B
18 lines
525 B
var $ = require('../internals/export'); |
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// `Math.imulh` method |
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// https://gist.github.com/BrendanEich/4294d5c212a6d2254703 |
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// TODO: Remove from `core-js@4` |
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$({ target: 'Math', stat: true, forced: true }, { |
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imulh: function imulh(u, v) { |
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var UINT16 = 0xFFFF; |
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var $u = +u; |
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var $v = +v; |
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var u0 = $u & UINT16; |
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var v0 = $v & UINT16; |
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var u1 = $u >> 16; |
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var v1 = $v >> 16; |
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var 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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});
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