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# Float80

An extended-precision, floating-point value type.

```
@frozen struct Float80
```

## Overview

`Float80` is available on x86 if the target system’s `long double` C type
is 80-bit, and unavailable otherwise.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`Copyable`](/documentation/Swift/Copyable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`ExpressibleByIntegerLiteral`](/documentation/Swift/ExpressibleByIntegerLiteral)

[`Escapable`](/documentation/Swift/Escapable)

[`ExpressibleByFloatLiteral`](/documentation/Swift/ExpressibleByFloatLiteral)

[`Numeric`](/documentation/Swift/Numeric)

[`TextOutputStreamable`](/documentation/Swift/TextOutputStreamable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Comparable`](/documentation/Swift/Comparable)

[`Strideable`](/documentation/Swift/Strideable)

[`AdditiveArithmetic`](/documentation/Swift/AdditiveArithmetic)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`LosslessStringConvertible`](/documentation/Swift/LosslessStringConvertible)

[`SignedNumeric`](/documentation/Swift/SignedNumeric)

[`CVarArg`](/documentation/Swift/CVarArg)

[`ConvertibleFromBytes`](/documentation/Swift/ConvertibleFromBytes)

[`Equatable`](/documentation/Swift/Equatable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`BinaryFloatingPoint`](/documentation/Swift/BinaryFloatingPoint)

[`CustomReflectable`](/documentation/Swift/CustomReflectable)

[`FloatingPoint`](/documentation/Swift/FloatingPoint)

---

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