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Reference Guide
BasicMinimumSeed.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_BasicMinimumSeed
11#define ROOT_Minuit2_BasicMinimumSeed
12
18
20
21namespace ROOT {
22
23 namespace Minuit2 {
24
25
26//extern StackAllocator gStackAllocator;
27
29
30public:
31
32 BasicMinimumSeed(const MinimumState& state, const MnUserTransformation& trafo) : fState(state), fTrafo(trafo), fValid(true) {}
33
35
37
39 fState = seed.fState;
40 fTrafo = seed.fTrafo;
41 fValid = seed.fValid;
42 return *this;
43 }
44
45 void* operator new(size_t nbytes) {
46 return StackAllocatorHolder::Get().Allocate(nbytes);
47 }
48
49 void operator delete(void* p, size_t /*nbytes*/) {
51 }
52
53 const MinimumState& State() const {return fState;}
54 const MinimumParameters& Parameters() const {return State().Parameters();}
55 const MinimumError& Error() const {return State().Error();};
56 const FunctionGradient& Gradient() const {return State().Gradient();}
57 const MnUserTransformation& Trafo() const {return fTrafo;}
58 const MnMachinePrecision& Precision() const {return fTrafo.Precision();}
59 double Fval() const {return State().Fval();}
60 double Edm() const {return State().Edm();}
61 unsigned int NFcn() const {return State().NFcn();}
62 bool IsValid() const {return fValid;}
63
64private:
65
68 bool fValid;
69};
70
71 } // namespace Minuit2
72
73} // namespace ROOT
74
75#endif // ROOT_Minuit2_BasicMinimumSeed
const MnMachinePrecision & Precision() const
const MinimumParameters & Parameters() const
const FunctionGradient & Gradient() const
const MinimumError & Error() const
const MinimumState & State() const
const MnUserTransformation & Trafo() const
BasicMinimumSeed(const BasicMinimumSeed &seed)
BasicMinimumSeed(const MinimumState &state, const MnUserTransformation &trafo)
BasicMinimumSeed & operator=(const BasicMinimumSeed &seed)
MinimumError keeps the inv.
Definition: MinimumError.h:26
MinimumState keeps the information (position, Gradient, 2nd deriv, etc) after one minimization step (...
Definition: MinimumState.h:29
const MinimumError & Error() const
Definition: MinimumState.h:62
const MinimumParameters & Parameters() const
Definition: MinimumState.h:58
const FunctionGradient & Gradient() const
Definition: MinimumState.h:63
determines the relative floating point arithmetic precision.
class dealing with the transformation between user specified parameters (external) and internal param...
const MnMachinePrecision & Precision() const
forwarded interface
static StackAllocator & Get()
void * Allocate(size_t nBytes)
Namespace for new ROOT classes and functions.
Definition: StringConv.hxx:21