[jira] [Commented] (MATH-811) Improve event detection by selecting g function slope

["Yannick TANGUY (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MATH-811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13467797#comment-13467797 ] 

Yannick TANGUY commented on MATH-811:
-------------------------------------

Ok, I notice that it won't be commited in 3.1. 
About the changes in evaluateStep, there are not so many differences. Maybe the new if/then/else could be merged with the previous one, but the criteria would become complex and mix two differents aspects.

                
> Improve event detection by selecting g function slope
> -----------------------------------------------------
>
>                 Key: MATH-811
>                 URL: https://issues.apache.org/jira/browse/MATH-811
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.1
>            Reporter: Yannick TANGUY
>         Attachments: JIRA-811_slope_selection.patch, JIRA-811_slope_selection_V2.patch, JIRA-811_slope_selection_V3.patch, JIRA-811_slope_selection_V3_with_spaces.patch, JIRA-811_slope_selection_with_spaces.patch
>
>
> We would like to select g function slope in CommonsMath event detection feature.
> This would improve event detection for the final user (the possibility to ignore some events, and less computation time) and also correct a bug found while using OREKIT (see https://www.orekit.org/forge/issues/104) in our applications. 
> The modification consists in adding a method (getSlopeSelection() : int) in EventHandler, and modifying one conditionnal in the method evaluateStep (class EventState). 
> We can provide modified code and unitary tests for this feature.

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