QMinimizer.hh

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#ifndef _Q_MINIMIZER_HH_
#define _Q_MINIMIZER_HH_
 
#include "QDiana.hh"
#include <gsl/gsl_min.h>
#include "QMathFunction.hh"
 
Q_BEGIN_NAMESPACE
 
class QMinimizer 
{
    public:
      QMinimizer();
      ~QMinimizer();
      void SetVerbose() {fVerbose = true;}
      double GetMinimum(QMathFunction func,double minx, double maxx, double epsabs=0.001, double epsrel=0.0);
      double GetMaximum(QMathFunction func,double minx, double maxx, double epsabs=0.001, double epsrel=0.0);
 
    private:
      static QMathFunction::QRoutinePointer fCurrentFunction; 
      static double MinusFunc(double x, double* params); 
      
      gsl_min_fminimizer *fMinimizer;
      bool fVerbose;
};
 
Q_END_NAMESPACE
 
 
#endif