[jira] [Comment Edited] (MATH-863) new Quaternion class added in complex package

["Julien Anxionnat (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MATH-863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13458721#comment-13458721 ] 

Julien Anxionnat edited comment on MATH-863 at 9/20/12 1:42 AM:
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I just took into account your comments :
- javadoc reformating ;
- double[] rather than Vector3D ;
- no more Precision improvements.
I hope this is better.
                
      was (Author: julien_a):
    Taking into account the comments of Gilles.
                  
> new Quaternion class added in complex package
> ---------------------------------------------
>
>                 Key: MATH-863
>                 URL: https://issues.apache.org/jira/browse/MATH-863
>             Project: Commons Math
>          Issue Type: New Feature
>    Affects Versions: 3.1
>            Reporter: Julien Anxionnat
>         Attachments: quaternion.patch, quaternion_v2.patch
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> This patch provides a new class for the mathematical object "Quaternion" in the complex package.
> This quaternion is considered as a mathematical object (the Hamilton's hypercomplex number).
> Note that it's not a rotation quaternion which has to be a quaternion of norm one. Although this feature could be used for a getter in the Rotation class.
> This patch provides also some improvements in Precision class : a "double comparison epsilon" and a method to compute relative comparison.
> (Please, note that's it's my first contribution, and I apologize in advance for my mistakes…) 

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