FunctionR1toR1.h

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//            QMcBeaver
//
//         Constructed by 
//
//     Michael Todd Feldmann 
//              and 
//   David Randall "Chip" Kent IV
//
// Copyright 2000.  All rights reserved.
//
// drkent@users.sourceforge.net mtfeldmann@users.sourceforge.net

#ifndef FunctionR1toR1_H
#define FunctionR1toR1_H

#include "Array1D.h"

using namespace std;

class FunctionR1toR1
{
public:
  virtual ~FunctionR1toR1(){};

  virtual void evaluate(double x) = 0;


  virtual double getFunctionValue() = 0;


  virtual double getFirstDerivativeValue() = 0;


  virtual double getSecondDerivativeValue() = 0;

  double Brent_fmin(double ax, double bx, double tol);
  double function(double x);
  double minimum(double left, double right);
};


#endif

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