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57 lines
1.6 KiB
Markdown
57 lines
1.6 KiB
Markdown
---
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layout: default
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---
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<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
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<h1 id="function-leftshift">Function leftShift <a href="#function-leftshift" title="Permalink">#</a></h1>
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Bitwise left logical shift of a value x by y number of bits, `x << y`.
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For matrices, the function is evaluated element wise.
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For units, the function is evaluated on the best prefix base.
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<h2 id="syntax">Syntax <a href="#syntax" title="Permalink">#</a></h2>
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```js
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math.leftShift(x, y)
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```
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<h3 id="parameters">Parameters <a href="#parameters" title="Permalink">#</a></h3>
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Parameter | Type | Description
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--------- | ---- | -----------
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`x` | number | BigNumber | bigint | Array | Matrix | Value to be shifted
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`y` | number | BigNumber | bigint | Amount of shifts
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<h3 id="returns">Returns <a href="#returns" title="Permalink">#</a></h3>
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Type | Description
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---- | -----------
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number | BigNumber | bigint | Array | Matrix | `x` shifted left `y` times
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<h3 id="throws">Throws <a href="#throws" title="Permalink">#</a></h3>
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Type | Description
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---- | -----------
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<h2 id="examples">Examples <a href="#examples" title="Permalink">#</a></h2>
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```js
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math.leftShift(1, 2) // returns number 4
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math.leftShift([1, 2, 4], 4) // returns Array [16, 32, 64]
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```
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<h2 id="see-also">See also <a href="#see-also" title="Permalink">#</a></h2>
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[leftShift](leftShift.html),
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[bitNot](bitNot.html),
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[bitOr](bitOr.html),
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[bitXor](bitXor.html),
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[rightArithShift](rightArithShift.html),
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[rightLogShift](rightLogShift.html)
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