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when release or restore is called (command block commands), the

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corresponding parameter error is set to 2% of its parameter value (MUSR-188).
At the same time removed a left-over unused variable.
This commit is contained in:
suter_a
2011-10-17 08:26:12 +00:00
parent cbacba3f2c
commit d9a83c6c19
3 changed files with 10 additions and 17 deletions
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24
src/classes/PFitter.cpp
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@ -1063,14 +1063,6 @@ Bool_t PFitter::ExecuteFix(UInt_t lineNo)
tokens = fCmdLines[lineNo].fLine.Tokenize(", \t");
// Check if there is already a function minimum, i.e. migrad, minimization, or simplex has been called previously.
// If so, update minuit2 user parameters
if (fFcnMin != 0) {
if (fFcnMin->IsValid()) {
fMnUserParams = fFcnMin->UserParameters();
}
}
for (Int_t i=1; i<tokens->GetEntries(); i++) {
ostr = dynamic_cast<TObjString*>(tokens->At(i));
str = ostr->GetString();
@ -1103,10 +1095,6 @@ Bool_t PFitter::ExecuteHesse()
{
cout << ">> PFitter::ExecuteHesse(): will call hesse ..." << endl;
// if already some minimization is done use the minuit2 output as input
if (fFcnMin)
fMnUserParams = fFcnMin->UserParameters();
// create the hesse object
ROOT::Minuit2::MnHesse hesse;
@ -1288,8 +1276,6 @@ Bool_t PFitter::ExecuteMinos()
return false;
}
fMnUserParams = fFcnMin->UserParameters();
// make minos analysis
ROOT::Minuit2::MnMinos minos((*fFitterFcn), (*fFcnMin));
@ -1298,7 +1284,7 @@ Bool_t PFitter::ExecuteMinos()
// the 1st condition is from an user fixed variable,
// the 2nd condition is from an all together unused variable
// the 3rd condition is a variable fixed via the FIX command
if ((fMnUserParams.Error(i) != 0) && (fRunInfo->ParameterInUse(i) != 0) && (!fMnUserParams.Parameters().at(i).IsFixed())) {
if ((fMnUserParams.Error(i) != 0.0) && (fRunInfo->ParameterInUse(i) != 0) && (!fMnUserParams.Parameters().at(i).IsFixed())) {
// 1-sigma MINOS errors
ROOT::Minuit2::MinosError err = minos.Minos(i);
@ -1368,8 +1354,12 @@ Bool_t PFitter::ExecuteRelease(UInt_t lineNo)
if (str.IsDigit()) { // token is a parameter number
fMnUserParams.Release(static_cast<UInt_t>(str.Atoi())-1);
// set the error to 2% of the value when releasing
fMnUserParams.SetError(static_cast<UInt_t>(str.Atoi())-1, 0.02*fMnUserParams.Value(static_cast<UInt_t>(str.Atoi())-1));
} else { // token is a parameter name
fMnUserParams.Release(str.Data());
// set the error to 2% of the value when releasing
fMnUserParams.SetError(str.Data(), 0.02*fMnUserParams.Value(str.Data()));
}
}
@ -1395,8 +1385,10 @@ Bool_t PFitter::ExecuteRestore()
cout << "PFitter::ExecuteRestore(): release all fixed parameters (RESTORE) ..." << endl;
for (UInt_t i=0; i<fMnUserParams.Parameters().size(); i++) {
if (fMnUserParams.Parameters().at(i).IsFixed())
if (fMnUserParams.Parameters().at(i).IsFixed()) {
fMnUserParams.Release(i);
fMnUserParams.SetError(i, 0.02*fMnUserParams.Value(i));
}
}
return true;