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The "refit_if_failed" parameter instructs ctlike to perform a refit in case of a fit failure. Fit failures are either a stalled fit, an exhaustion of the number of iterations, or a significant difference between the number of observed and predicted events.
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…e error is larger than the value (#2762). Setting the parameter error to the parameter value is a problem to cases where the parameter value is zero. Also, we do not know why the error is larger, this can be completely normal for sources with negligible flux.
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# Conflicts: # NEWS
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So far any exception occuring during the construction of the ctools were not catched. This is corrected now.
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All likelihood ctools now derive from the ctlikelihood base class. This avoids code duplication and provides all likelihood tools with a uniform interface.
