---
title: Quadrature.Integrator.qng
framework: accelerate
role: symbol
role_heading: Case
path: accelerate/quadrature/integrator/qng
---

# Quadrature.Integrator.qng

Non-adaptive automatic integrator that uses Gauss-Kronrod-Patterson quadrature coefficients.

## Declaration

```swift
case qng
```

## See Also

### Integrators

- [nonAdaptive](accelerate/quadrature/integrator/nonadaptive.md)
- [Quadrature.Integrator.qag(pointsPerInterval:maxIntervals:)](accelerate/quadrature/integrator/qag(pointsperinterval:maxintervals:).md)
- [adaptive(pointsPerInterval:maxIntervals:)](accelerate/quadrature/integrator/adaptive(pointsperinterval:maxintervals:).md)
- [Quadrature.Integrator.qags(maxIntervals:)](accelerate/quadrature/integrator/qags(maxintervals:).md)
- [adaptiveWithSingularities(maxIntervals:)](accelerate/quadrature/integrator/adaptivewithsingularities(maxintervals:).md)