---
title: CFNumberFormatterRoundingMode.roundDown
framework: corefoundation
role: symbol
role_heading: Case
path: corefoundation/cfnumberformatterroundingmode/rounddown
---

# CFNumberFormatterRoundingMode.roundDown

Round towards zero.

## Declaration

```swift
case roundDown
```

## See Also

### Constants

- [CFNumberFormatterRoundingMode.roundCeiling](corefoundation/cfnumberformatterroundingmode/roundceiling.md)
- [CFNumberFormatterRoundingMode.roundFloor](corefoundation/cfnumberformatterroundingmode/roundfloor.md)
- [CFNumberFormatterRoundingMode.roundUp](corefoundation/cfnumberformatterroundingmode/roundup.md)
- [CFNumberFormatterRoundingMode.roundHalfEven](corefoundation/cfnumberformatterroundingmode/roundhalfeven.md)
- [CFNumberFormatterRoundingMode.roundHalfDown](corefoundation/cfnumberformatterroundingmode/roundhalfdown.md)
- [CFNumberFormatterRoundingMode.roundHalfUp](corefoundation/cfnumberformatterroundingmode/roundhalfup.md)