Tools (Lucene 9.0.0 spatial3d API)

java.lang.Object
- org.apache.lucene.spatial3d.geom.Tools

```
public class Tools
extends Object
```
Static methods globally useful for 3d geometric work.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static double`	`safeAcos(double value)`	Java acos yields a NAN if you take an arc-cos of an angle that's just a tiny bit greater than 1.0, so here's a more resilient version.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - safeAcos
```
public static double safeAcos(double value)
```
    Java acos yields a NAN if you take an arc-cos of an angle that's just a tiny bit greater than 1.0, so here's a more resilient version.