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https://issues.apache.org/jira/browse/MATH-291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luc Maisonobe resolved MATH-291.
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Resolution: Fixed
Fix Version/s: 2.1
fixed in subversion repository as of r81132
an exponential format has been used to cope with very small steps
thanks for the report and the fix proposal
> ode.nonstiff.AdaptiveStepsizeIntegrator.filterStep(double h, boolean forward,
> boolean acceptSmall) can generate misleading Exception message
> --------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MATH-291
> URL: https://issues.apache.org/jira/browse/MATH-291
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: 2.0
> Reporter: Sebb
> Fix For: 2.1
>
>
> 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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