Announced release of Hipparchus 1.6.

_posts/2019-10-30-hipparchus-1.6-released.md

+---
+title: "Hipparchus 1.6 released"
+excerpt: "Hipparchus, the mathematical library used by Orekit has released a new version"
+layout: post_orekit
+publication_year: 2019
+date: 2019-10-30 09:45:00 +0100
+modified: 2019-10-30 09:45:00 +0100
+project: orekit
+categories:
+- News
+tags:
+- news
+- release
+---
+
+The Hipparchus 1.6 Java mathematical library has been released recently. Here is the
+official announcement:
+
+> Version 1.6 is a maintenance release.
+> 
+> Highlights in the 1.6 release are:
+> 
+>  - Add Optimum.of(…).
+>  - Make AbstractEvaluation constructor public, fix javadoc.
+>  - Added field version of Vector2D.
+>  - When exception message formatting fails still show a helpful message and stack trace.
+>
+> The maven artifacts are available in maven central. The sources and binaries can be retrieved from the project download page.
+
+This new version will be used for Orekit and Rugged next versions.