Mean

Output range to calculate the mean online. Getter for mean costs a branch to check for N == 0. This struct uses O(1) space and does *NOT* store the individual elements.

Note: This struct can implicitly convert to the value of the mean.

struct Mean {

void put(double element);

void put(typeof(this) rhs);

double sum [@property getter];

double mean [@property getter];

double N [@property getter];

Mean toMean [@property getter];

string toString();

}

Alias This

mean

Allow implicit casting to double, by returning the current mean.

Members

Functions

put void put(double element)
put void put(typeof(this) rhs): Adds the contents of rhs to this instance.
toString string toString()

Properties

N double N [@property getter]
mean double mean [@property getter]
sum double sum [@property getter]
toMean Mean toMean [@property getter]: Simply returns this. Useful in generic programming contexts.

Examples

1 Mean summ;
2 summ.put(1);
3 summ.put(2);
4 summ.put(3);
5 summ.put(4);
6 summ.put(5);
7 assert(summ.mean == 3);