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  Header file defining functions in the namespace <tt>ROOT::Fit</tt> providing functions required for fitting the data objects of the histogram package. These functions are used for example from other libraries like the FitPanel or the TTreePlayer for performing the fits.
  <ul>
<li>
    <tt>ROOT::Fit::FitObject</tt>: function for fitting the various data objects. The user must pass in addition to a pointer to the fit object, the fit options (via the <tt>FOption</tt> class and not a string), the minimizer