---
layout: stdlib-reference
---

# struct NullDifferential

*Conforms to:* [IDifferentiable](../../interfaces/idifferentiable-01/index.html)

## Fields

####  <a id="decl-dummy"></a>[dummy](dummy.html) : float

## Methods

* init
* [dzero](dzero)
* [dadd](dadd)


<!-- RTD-TOC-START
```{toctree}
:titlesonly:
:hidden:

Differential <differential-0>
dadd <dadd>
dummy <dummy>
dzero <dzero>
```
RTD-TOC-END -->