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GSLSimAnMinimizer.h
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1 // @(#)root/mathmore:$Id$
2 // Author: L. Moneta Wed Dec 20 17:16:32 2006
3 
4 /**********************************************************************
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6  * Copyright (c) 2006 LCG ROOT Math Team, CERN/PH-SFT *
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20  * to the Free Software Foundation, Inc., 59 Temple Place, Suite *
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24 
25 // Header file for class GSLSimAnMinimizer
26 
27 #ifndef ROOT_Math_GSLSimAnMinimizer
28 #define ROOT_Math_GSLSimAnMinimizer
29 
30 
31 
32 #include "Math/BasicMinimizer.h"
33 
34 
35 #include "Math/IFunctionfwd.h"
36 
37 #include "Math/IParamFunctionfwd.h"
38 
39 
40 
41 #include "Math/GSLSimAnnealing.h"
42 
43 
44 
45 
46 namespace ROOT {
47 
48  namespace Math {
49 
50 
51 
52 //_____________________________________________________________________________________
53 /**
54  GSLSimAnMinimizer class for minimization using simulated annealing
55  using the algorithm from
56  <A HREF="http://www.gnu.org/software/gsl/manual/html_node/Simulated-Annealing.html">
57  GSL</A>.
58  It implements the ROOT::Minimizer interface and
59  a plug-in (name "GSLSimAn") exists to instantiate this class via the plug-in manager
60 
61  @ingroup MultiMin
62 */
64 
65 public:
66 
67  /**
68  Default constructor
69  */
70  GSLSimAnMinimizer (int type = 0);
71 
72  /**
73  Destructor (no operations)
74  */
75  virtual ~GSLSimAnMinimizer ();
76 
77 private:
78  // usually copying is non trivial, so we make this unaccessible
79 
80  /**
81  Copy constructor
82  */
84 
85  /**
86  Assignment operator
87  */
89  if (this == &rhs) return *this; // time saving self-test
90  return *this;
91  }
92 
93 public:
94 
95 
96  /// method to perform the minimization
97  virtual bool Minimize();
98 
99  //number of calls
100  unsigned int NCalls() const;
101 
102 
103 protected:
104 
105 private:
106 
107 
109 
110 
111 };
112 
113  } // end namespace Math
114 
115 } // end namespace ROOT
116 
117 
118 #endif /* ROOT_Math_GSLSimAnMinimizer */
GSLSimAnnealing class for performing a simulated annealing search of a multidimensional function...
Namespace for new ROOT classes and functions.
Definition: TFoamSampler.h:19
Base Minimizer class, which defines the basic funcionality of various minimizer implementations (apar...
virtual bool Minimize()
method to perform the minimization
GSLSimAnMinimizer class for minimization using simulated annealing using the algorithm from GSL...
GSLSimAnMinimizer(const GSLSimAnMinimizer &)
Copy constructor.
GSLSimAnMinimizer(int type=0)
Default constructor.
virtual ~GSLSimAnMinimizer()
Destructor (no operations)
Namespace for new Math classes and functions.
ROOT::Math::GSLSimAnnealing fSolver
unsigned int NCalls() const
number of function calls to reach the minimum
GSLSimAnMinimizer & operator=(const GSLSimAnMinimizer &rhs)
Assignment operator.