# `GSCalculateErrorLength`

*Function*

## Declaration

```swift
func GSCalculateErrorLength(_ curveLength: Double, _ inputError: Double) -> Double
```

```objc
double GSCalculateErrorLength(double curveLength, double inputError);
```

```python
GSCalculateErrorLength(curveLength: float, inputError: float) -> float
```

## See Also

### Curve Fitting

- [`FitCurve`](/Core/GlyphsCore/FitCurve)
- [`FitCubic`](/Core/GlyphsCore/FitCubic)
- [`FitCubicSingle`](/Core/GlyphsCore/FitCubicSingle)
- [`GSDetectBreaksAndFit`](/Core/GlyphsCore/GSDetectBreaksAndFit)
- [`GSCubicFitsPoints`](/Core/GlyphsCore/GSCubicFitsPoints)
- [`GSCubicCollinearish`](/Core/GlyphsCore/GSCubicCollinearish)
- [`GSSignificantT`](/Core/GlyphsCore/GSSignificantT)
- [`splitBezierCurveTo`](/Core/GlyphsCore/splitBezierCurveTo)