---
title: vDSP_normalizeD
framework: accelerate
role: symbol
role_heading: Function
path: accelerate/vdsp_normalized
---

# vDSP_normalizeD

Computes double-precision mean and standard deviation, and then calculates new elements to have a zero mean and a unit standard deviation.

## Declaration

```occ
extern void vDSP_normalizeD(const double *__A, vDSP_Stride __IA, double *__C, vDSP_Stride __IC, double *__Mean, double *__StandardDeviation, vDSP_Length __N);
```

## Discussion

Discussion This is the same as vDSP_normalize, except for the types of A, C, Mean, and StandardDeviation.

## See Also

### Normalization Functions

- [Finding the sharpest image in a sequence of captured images](accelerate/finding-the-sharpest-image-in-a-sequence-of-captured-images.md)
- [vDSP_normalize](accelerate/vdsp_normalize.md)