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Reference Guide
MnTraceObject.cxx
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1 // @(#)root/minuit2:$Id$
2 // Author: L. Moneta 2012
3 
4 /**********************************************************************
5  * *
6  * Copyright (c) 2012 LCG ROOT Math team, CERN/PH-SFT *
7  * *
8  **********************************************************************/
9 
10 #include "Minuit2/MnTraceObject.h"
11 #include "Minuit2/MnPrint.h"
13 #include "Minuit2/MinimumState.h"
14 #include <iomanip>
15 
16 namespace ROOT {
17 
18  namespace Minuit2 {
19 
20  void MnTraceObject::operator() (int iter, const MinimumState & state) {
21 
22  MnPrint::PrintState(std::cout, state, "iteration # ",iter);
23  if (!fUserState) return;
24 
25  // print also parameters and derivatives
26  std::cout << "\t" << std::setw(12) << " " << " "
27  << std::setw(12) << " ext value " << " "
28  << std::setw(12) << " int value " << " "
29  << std::setw(12) << " gradient " << std::endl;
30  int firstPar = 0;
31  int lastPar = state.Vec().size();
32  if (fParNumber >= 0 && fParNumber < lastPar) {
33  firstPar = fParNumber;
34  lastPar = fParNumber+1;
35  }
36  for (int ipar = firstPar; ipar <lastPar; ++ipar) {
37  int epar = fUserState->Trafo().ExtOfInt(ipar);
38  double eval = fUserState->Trafo().Int2ext(ipar, state.Vec()(ipar) );
39  std::cout << "\t" << std::setw(12) << fUserState->Name(epar) << " "
40  << std::setw(12) << eval << " "
41  << std::setw(12) << state.Vec()(ipar) << " "
42  << std::setw(12) << state.Gradient().Vec()(ipar) << std::endl;
43  }
44  }
45 
46  } // namespace Minuit2
47 
48 } // namespace ROOT
49 
Namespace for new ROOT classes and functions.
Definition: StringConv.hxx:21
double Int2ext(unsigned int, double) const
const MnAlgebraicVector & Vec() const
virtual void operator()(int i, const MinimumState &state)
unsigned int ExtOfInt(unsigned int internal) const
const FunctionGradient & Gradient() const
Definition: MinimumState.h:63
static void PrintState(std::ostream &os, const MinimumState &state, const char *msg, int iter=-1)
Definition: MnPrint.cxx:58
const MnUserTransformation & Trafo() const
unsigned int size() const
Definition: LAVector.h:198
const MnUserParameterState * fUserState
Definition: MnTraceObject.h:42
const char * Name(unsigned int) const
MinimumState keeps the information (position, Gradient, 2nd deriv, etc) after one minimization step (...
Definition: MinimumState.h:29
const MnAlgebraicVector & Vec() const
Definition: MinimumState.h:59