TraversableModule

```
interface TraversableModule
```

Method Summary

Static Methods
Modifier and Type	Method	Description
`static <T> double[]`	`neumaierSum(java.lang.Iterable<T> ts, java.util.function.ToDoubleFunction<T> toDouble)`	Uses Neumaier's variant of the Kahan summation algorithm in order to sum double values.

- Method Detail
  - neumaierSum
```
static <T> double[] neumaierSum(java.lang.Iterable<T> ts,
                                java.util.function.ToDoubleFunction<T> toDouble)
```
    Uses Neumaier's variant of the Kahan summation algorithm in order to sum double values.
    See Kahan summation algorithm.
    
    Type Parameters:
    
    T - element type
    
    Parameters:
    
    ts - the elements
    
    toDouble - function which maps elements to double values
    
    Returns:
    
    A pair [sum, size], where sum is the compensated sum and size is the number of elements which were summed.