org.apache.lucene.spatial3d.geom

## Class Tools

- 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 and 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.

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