---
title: simd_char64
framework: simd
role: symbol
role_heading: Type Alias
path: simd/simd_char64
---

# simd_char64

A vector of sixty-four 8-bit signed integer elements.

## Declaration

```swift
typealias simd_char64 = SIMD64<CChar>
```

## Topics

### Functions to Create Sixty Four-Element Vectors From Other Vectors

- [simd_make_char64(_:)](simd/simd_make_char64(_:)-mo7n.md)
- [simd_make_char64(_:)](simd/simd_make_char64(_:)-kchm.md)
- [simd_make_char64(_:)](simd/simd_make_char64(_:)-18pa1.md)
- [simd_make_char64(_:)](simd/simd_make_char64(_:)-1mmet.md)
- [simd_make_char64(_:)](simd/simd_make_char64(_:)-kijk.md)
- [simd_make_char64(_:)](simd/simd_make_char64(_:)-747mj.md)
- [simd_make_char64(_:)](simd/simd_make_char64(_:)-v4n8.md)
- [simd_make_char64(_:_:)](simd/simd_make_char64(_:_:).md)
- [simd_make_char64_undef(_:)](simd/simd_make_char64_undef(_:)-9r2mn.md)
- [simd_make_char64_undef(_:)](simd/simd_make_char64_undef(_:)-9ui3q.md)
- [simd_make_char64_undef(_:)](simd/simd_make_char64_undef(_:)-cbyu.md)
- [simd_make_char64_undef(_:)](simd/simd_make_char64_undef(_:)-p5ey.md)
- [simd_make_char64_undef(_:)](simd/simd_make_char64_undef(_:)-ax60.md)
- [simd_make_char64_undef(_:)](simd/simd_make_char64_undef(_:)-5axfx.md)

### Functions to Create Sixty Four-Element Vectors From Scalar Values

- [simd_make_char64(_:)](simd/simd_make_char64(_:)-bvt7.md)
- [simd_make_char64_undef(_:)](simd/simd_make_char64_undef(_:)-2ljie.md)

### Common Functions

- [simd_abs(_:)](simd/simd_abs(_:)-1p85t.md)
- [simd_clamp(_:_:_:)](simd/simd_clamp(_:_:_:)-6jkxk.md)
- [simd_equal(_:_:)](simd/simd_equal(_:_:)-8ghe2.md)

### Reduce Functions

- [simd_reduce_min(_:)](simd/simd_reduce_min(_:)-jzf5.md)
- [simd_reduce_max(_:)](simd/simd_reduce_max(_:)-mshf.md)
- [simd_reduce_add(_:)](simd/simd_reduce_add(_:)-92wpk.md)

### Logic and Bitwise Functions

- [simd_any(_:)](simd/simd_any(_:)-jb9j.md)
- [simd_all(_:)](simd/simd_all(_:)-2mapx.md)
- [simd_bitselect(_:_:_:)](simd/simd_bitselect(_:_:_:)-2qkxa.md)

### Extrema Functions

- [simd_min(_:_:)](simd/simd_min(_:_:)-66xtr.md)
- [simd_max(_:_:)](simd/simd_max(_:_:)-4dt8v.md)

## See Also

### Vector Data Types

- [simd_char1](simd/simd_char1.md)
- [simd_char2](simd/simd_char2.md)
- [simd_char3](simd/simd_char3.md)
- [simd_char4](simd/simd_char4.md)
- [simd_char8](simd/simd_char8.md)
- [simd_char16](simd/simd_char16.md)
- [simd_char32](simd/simd_char32.md)