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49 lines
118 KiB
Markdown
49 lines
118 KiB
Markdown
---
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title: "int"
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excerpt: "Convert a number to an integer."
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layout: manual
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---
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Convert a number to an integer.
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Callers should use floor(), ceil(), or other rounding function first if they care about how numbers with fractional parts are converted. If the number has a fractional part, it's truncated, moving the number towards zero.
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If the number is NaN or has a magnitude, either positive or negative, that is too large to fit into the internal integer representation, the result is a runtime error.
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```js
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int(num: number) -> i64
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```
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### Tags
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* `convert`
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### Arguments
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| Name | Type | Description | Required |
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|----------|------|-------------|----------|
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| `num` | `number` | | Yes |
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### Returns
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`i64`
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### Examples
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```js
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let n = int(ceil(5 / 2))
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assertEqual(n, 3, 0.0001, "5/2 = 2.5, rounded up makes 3")
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// Draw n cylinders.
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startSketchOn('XZ')
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|> circle({ center: [0, 0], radius: 2 }, %)
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|> extrude(5, %)
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|> patternTransform(n, (id) => {
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return { translate: [4 * id, 0, 0] }
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}, %)
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```
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