---
title: MTLTensorDataType.float8e4m3
framework: metal
role: symbol
role_heading: Case
path: metal/mtltensordatatype/float8e4m3
---

# MTLTensorDataType.float8e4m3

An 8-bit floating point format data type with 4 exponent bits, 3 mantissa bits and 1 sign bit.

## Declaration

```swift
case float8e4m3
```