41 lines
744 B
Markdown
41 lines
744 B
Markdown
---
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title: math.nextafter() function
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description: The math.nextafter() function returns the next representable float value after `x` towards `y`.
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menu:
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v2_0_ref:
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name: math.nextafter
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parent: Math
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weight: 301
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---
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The `math.nextafter()` function returns the next representable float value after `x` towards `y`.
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_**Output data type:** Float_
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```js
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import "math"
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math.nextafter(x: 1.23, y: 4.56)
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// Returns 1.2300000000000002
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```
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## Parameters
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### x
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The X value used in the operation.
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_**Data type:** Float_
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### y
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The Y value used in the operation.
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_**Data type:** Float_
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## Special cases
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```js
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math.nextafter(x:x, y:x) // Returns x
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math.nextafter(x: NaN, y:y) // Returns NaN
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math.nextafter(x:x, y:NaN) // Returns NaN
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```
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