Christoph Höger created MATH-937:
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             Summary: NoBracketingException after event was found
                 Key: MATH-937
                 URL: https://issues.apache.org/jira/browse/MATH-937
             Project: Commons Math
          Issue Type: Bug
    Affects Versions: 3.1.1
            Reporter: Christoph Höger


The BracketingNthOrderBrentSolver used by the EmbeddedRungeKuttaIntegrator 
fails, if an event is detected twice with a NoBracketingException.

The problem lies in line EventState.java line 262 (version 3.1.1). Here the 
event detection function f is applied to an arbitrary choosen value of time. If 
the event detector crosses zero before this time, the solver throws the 
mentioned exception.

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