PointDistance (tinspin-indexes 2.1.3 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface PointDistance
```

Field Summary

Fields
Modifier and Type Field Description

static PointDistance L1
L1/Manhattan/taxi distance.

static PointDistance L2
L2/Euclidean distance.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`double`	`dist(double[] p1, double[] p2)`
`default double`	`dist(double[] p1, Index.PointEntry<?> entry)`
`static String`	`getName(PointDistance fn)`
`static double`	`l1(double[] p1, double[] p2)`	Manhattan/Taxi distance / L1.
`static double`	`l2(double[] p1, double[] p2)`	Euclidean distance / L2.

Field Detail

L1
```
static final PointDistance L1
```
L1/Manhattan/taxi distance.

L2
```
static final PointDistance L2
```
L2/Euclidean distance.

Method Detail

dist

double dist(double[] p1,
            double[] p2)

dist

default double dist(double[] p1,
                    Index.PointEntry<?> entry)

Parameters:: p1 - a point; entry - another point
Returns:: distance between the points

l1
```
static double l1(double[] p1,
                 double[] p2)
```
Manhattan/Taxi distance / L1.

Parameters:

p1 - point 1

p2 - point 2

Returns:

distance

l2
```
static double l2(double[] p1,
                 double[] p2)
```
Euclidean distance / L2.

Parameters:

p1 - point 1

p2 - point 2

Returns:

distance

getName

static String getName(PointDistance fn)