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MinosError.h
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1 // @(#)root/minuit2:$Id$
2 // Authors: M. Winkler, F. James, L. Moneta, A. Zsenei 2003-2005
3 
4 /**********************************************************************
5  * *
6  * Copyright (c) 2005 LCG ROOT Math team, CERN/PH-SFT *
7  * *
8  **********************************************************************/
9 
10 #ifndef ROOT_Minuit2_MinosError
11 #define ROOT_Minuit2_MinosError
12 
13 #include "Minuit2/MnCross.h"
14 #include <iostream>
15 
16 namespace ROOT {
17 
18  namespace Minuit2 {
19 
20 //____________________________________________________________________________________
21 /**
22  Class holding the result of Minos (lower and upper values) for a specific parameter
23  */
24 
25 class MinosError {
26 
27 public:
28 
30 
31  MinosError(unsigned int par, double min, const MnCross& low, const MnCross& up) : fParameter(par), fMinValue(min), fUpper(up), fLower(low) {}
32 
34 
36 
37  MinosError& operator=(const MinosError& ) = default;
38 
40  fParameter = err.fParameter;
41  fMinValue = err.fMinValue;
42  fUpper = err.fUpper;
43  fLower = err.fLower;
44  return *this;
45  }
46 
47  std::pair<double,double> operator()() const {
48  return std::pair<double,double>(Lower(), Upper());
49  }
50  double Lower() const {
52  return -1.*LowerState().Error(Parameter())*(1. + fLower.Value());
53  }
54  double Upper() const {
56  return UpperState().Error(Parameter())*(1. + fUpper.Value());
57  }
58  unsigned int Parameter() const {return fParameter;}
59  const MnUserParameterState& LowerState() const {return fLower.State();}
60  const MnUserParameterState& UpperState() const {return fUpper.State();}
61  bool IsValid() const {return fLower.IsValid() && fUpper.IsValid();}
62  bool LowerValid() const {return fLower.IsValid();}
63  bool UpperValid() const {return fUpper.IsValid();}
64  bool AtLowerLimit() const {return fLower.AtLimit();}
65  bool AtUpperLimit() const {return fUpper.AtLimit();}
66  bool AtLowerMaxFcn() const {return fLower.AtMaxFcn();}
67  bool AtUpperMaxFcn() const {return fUpper.AtMaxFcn();}
68  bool LowerNewMin() const {return fLower.NewMinimum();}
69  bool UpperNewMin() const {return fUpper.NewMinimum();}
70  unsigned int NFcn() const {return fUpper.NFcn() + fLower.NFcn();}
71  double Min() const {return fMinValue;}
72 
73 private:
74 
75  unsigned int fParameter;
76  double fMinValue;
79 };
80 
81  } // namespace Minuit2
82 
83 } // namespace ROOT
84 
85 #endif // ROOT_Minuit2_MinosError
MinosError(unsigned int par, double min, const MnCross &low, const MnCross &up)
Definition: MinosError.h:31
unsigned int NFcn() const
Definition: MnCross.h:67
MinosError & operator()(const MinosError &err)
Definition: MinosError.h:39
bool AtLowerMaxFcn() const
Definition: MinosError.h:66
Returns the available number of logical cores.
Definition: RNumpyDS.hxx:30
bool NewMinimum() const
Definition: MnCross.h:66
bool AtLimit() const
Definition: MnCross.h:64
bool UpperValid() const
Definition: MinosError.h:63
MinosError & operator=(const MinosError &)=default
unsigned int fParameter
Definition: MinosError.h:75
bool LowerValid() const
Definition: MinosError.h:62
bool UpperNewMin() const
Definition: MinosError.h:69
const MinuitParameter & Parameter(unsigned int i) const
const MnUserParameterState & State() const
Definition: MnCross.h:62
double Lower() const
Definition: MinosError.h:50
bool AtLowerLimit() const
Definition: MinosError.h:64
bool IsValid() const
Definition: MnCross.h:63
bool AtMaxFcn() const
Definition: MnCross.h:65
bool AtUpperLimit() const
Definition: MinosError.h:65
bool AtUpperMaxFcn() const
Definition: MinosError.h:67
const MnUserParameterState & UpperState() const
Definition: MinosError.h:60
unsigned int Parameter() const
Definition: MinosError.h:58
Class holding the result of Minos (lower and upper values) for a specific parameter.
Definition: MinosError.h:25
class which holds the external user and/or internal Minuit representation of the parameters and error...
MinosError(const MinosError &err)
Definition: MinosError.h:35
double Value() const
Definition: MnCross.h:61
std::pair< double, double > operator()() const
Definition: MinosError.h:47
unsigned int NFcn() const
Definition: MinosError.h:70
const MnUserParameterState & LowerState() const
Definition: MinosError.h:59
double Upper() const
Definition: MinosError.h:54
bool LowerNewMin() const
Definition: MinosError.h:68
double Min() const
Definition: MinosError.h:71