#ifndef ROOT_Math_ModBrentMethods
#define ROOT_Math_ModBrentMethods

#ifndef ROOT_Math_IFunctionfwd
#include "Math/IFunctionfwd.h"
#endif


namespace ModBrentMethods { 

  int BracketStep(const ROOT::Math::IGenFunction* f, double &xmin, double &xmax, double fy, int &niter, int npx = 20,
		  double epsabs = 1.E-8, double epsrel = 1.E-10, int maxIter = 100, bool useLog = false);

  double GridBracketStep(const ROOT::Math::IGenFunction* f, double &xmin, double &xmax, double fy, int npx = 100, bool useLog = false);

  double BrentMethod(const ROOT::Math::IGenFunction* f, double &xmin, double &xmax, double fy,  
		     bool &ok, int &niter, double epsabs = 1.E-8, double epsrel = 1.E-10, int itermax = 100);

  double MinimStep(const ROOT::Math::IGenFunction* f, int type, double &xmin, double &xmax, double fy, int npx = 100, bool useLog = false);

  double MinimBrent(const ROOT::Math::IGenFunction* f, int type, double &xmin, double &xmax, double xmiddle, double fy, bool &ok, int &niter, double epsabs = 1.E-8, double epsrel = 1.E-10, int maxiter = 100  );
   

}

#endif