UnaryScalar.h
1 //-*-C++-*-
2 /***************************************************************************
3  *
4  * Copyright (C) 2004 by Willem van Straten
5  * Licensed under the Academic Free License version 2.1
6  *
7  ***************************************************************************/
8 
9 // psrchive/More/MEAL/MEAL/UnaryScalar.h
10 
11 #ifndef __MEAL_UnaryScalar_H
12 #define __MEAL_UnaryScalar_H
13 
14 #include "MEAL/UnaryRule.h"
15 #include "MEAL/Scalar.h"
16 
17 namespace MEAL {
18 
20 
21  class UnaryScalar : public UnaryRule<Scalar>
22  {
23 
24  public:
25 
27  virtual double function (double x) const = 0;
28 
30  virtual double dfdx (double x) const = 0;
31 
32  protected:
33 
34  // ///////////////////////////////////////////////////////////////////
35  //
36  // Optimized implementation
37  //
38  // ///////////////////////////////////////////////////////////////////
39 
41  void calculate (double& result, std::vector<double>* gradient);
42 
43  };
44 
45 }
46 
47 #endif
MEAL::UnaryScalar::dfdx
virtual double dfdx(double x) const =0
And its first derivative.
MEAL
Namespace in which all modeling and calibration related code is declared.
Definition: ExampleComplex2.h:16
MEAL::UnaryScalar::calculate
void calculate(double &result, std::vector< double > *gradient)
Return the result and its gradient.
Definition: UnaryScalar.C:11
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