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# CFNumberFormatterRoundingMode

These constants are used to specify how numbers should be rounded.

```
enum CFNumberFormatterRoundingMode
```

## Topics

### Constants

[`CFNumberFormatterRoundingMode.roundCeiling`](/documentation/CoreFoundation/CFNumberFormatterRoundingMode/roundCeiling)

Round towards positive infinity.

[`CFNumberFormatterRoundingMode.roundFloor`](/documentation/CoreFoundation/CFNumberFormatterRoundingMode/roundFloor)

Round towards negative infinity.

[`CFNumberFormatterRoundingMode.roundDown`](/documentation/CoreFoundation/CFNumberFormatterRoundingMode/roundDown)

Round towards zero.

[`CFNumberFormatterRoundingMode.roundUp`](/documentation/CoreFoundation/CFNumberFormatterRoundingMode/roundUp)

Round away from zero.

[`CFNumberFormatterRoundingMode.roundHalfEven`](/documentation/CoreFoundation/CFNumberFormatterRoundingMode/roundHalfEven)

Round towards the nearest integer, or towards an even number if equidistant.

[`CFNumberFormatterRoundingMode.roundHalfDown`](/documentation/CoreFoundation/CFNumberFormatterRoundingMode/roundHalfDown)

Round towards the nearest integer, or towards zero if equidistant.

[`CFNumberFormatterRoundingMode.roundHalfUp`](/documentation/CoreFoundation/CFNumberFormatterRoundingMode/roundHalfUp)

Round towards the nearest integer, or away from zero if equidistant.


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