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# holoscan::is_almost_zero

> Check if a value is almost zero within numerical precision.

```cpp showLineNumbers={false}
template <typename K>
bool holoscan::is_almost_zero(
    K value
)
```

Check if a value is almost zero within numerical precision.

**Returns:** True if the value is within 100 \* epsilon of zero.

**Template parameters**

Scalar type.

**Parameters**

Value to check.