## System::IsNaN method


Determines if the specified value is Not-A-Number value.

```cpp
template<typename T> bool System::IsNaN(const T &value)
```


| Parameter | Description |
| --- | --- |
| T | The type of the value checked by the function |

| Parameter | Type | Description |
| --- | --- | --- |
| value | const T\& | The value to check |

### ReturnValue

True if **value** is a NaN value, otherwise - false

## See Also

* Namespace [System](../)
* Library [Aspose.PUB for C++](../../)