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From "Sebb (JIRA)" <j...@apache.org>
Subject [jira] Created: (MATH-291) ode.nonstiff.AdaptiveStepsizeIntegrator.filterStep(double h, boolean forward, boolean acceptSmall) can generate misleading Exception message
Date Thu, 03 Sep 2009 13:40:58 GMT
ode.nonstiff.AdaptiveStepsizeIntegrator.filterStep(double h, boolean forward, boolean acceptSmall)
can generate misleading Exception message
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                 Key: MATH-291
                 URL: https://issues.apache.org/jira/browse/MATH-291
             Project: Commons Math
          Issue Type: Improvement
    Affects Versions: 2.0
            Reporter: Sebb


ode.nonstiff.AdaptiveStepsizeIntegrator.filterStep(double h, boolean forward, boolean acceptSmall)
can generate misleading Exception message, for example:

org.apache.commons.math.ode.IntegratorException: minimal step size (0) reached, integration
needs 0

This is because the message uses {0} and {1} to report the value of doubles.

The code should really use a number format which allows for more decimal places, e.g.

"minimal step size ({0,number,#.#########}) reached, integration needs {1,number,#.##########}",


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