---
title: NDArray.ScalarType.float8e5m2
framework: coreai
role: symbol
role_heading: Case
path: coreai/ndarray/scalartype-swift.enum/float8e5m2
---

# NDArray.ScalarType.float8e5m2

An 8-bit floating-point type with 5 exponent bits and 2 mantissa bits.

## Declaration

```swift
case float8e5m2
```

## Discussion

Discussion FP8 E5M2 format emphasizes dynamic range over precision with its larger exponent field. This type is used for quantization and in some activation functions.

## See Also

### Defining 8-bit floating-point types

- [NDArray.ScalarType.float8e4m3fn](coreai/ndarray/scalartype-swift.enum/float8e4m3fn.md)