# operator -(double4)

> Returns the result of a componentwise subtraction operation on two double4 vectors.

## Definition

* **Type:** Operator
* **Namespace:** [Unity.Mathematics](/engine/6000.5/script-reference/unity/mathematics.md)
* **Assembly:** UnityEngine.MathematicsModule

```csharp
public static double4 operator -(double4 val)
```

### Parameters

**** (\[double4]\(/engine/6000.5/script-reference/unity/mathematics/double4)): 

### Returns

| Type                                                                    | Description                                      |
| ----------------------------------------------------------------------- | ------------------------------------------------ |
| [double4](/engine/6000.5/script-reference/unity/mathematics/double4.md) | double4 result of the componentwise subtraction. |