LMU/musrfit
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start to work on a more efficient version of MM PDepthProfile user function.

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This commit is contained in:
suter_a 2022-12-21 07:55:33 +01:00
parent 7bf2cfd8c1
commit 348f02b217
2 changed files with 141 additions and 117 deletions
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1
src/external/DepthProfile/inc/PDepthProfile.h vendored
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@ -53,6 +53,7 @@ class PDepthProfileGlobal
mutable std::vector<Double_t> fPreviousParam;
PRgeHandler *fRgeHandler{nullptr};
PRgeDataList fCfd;
ClassDef(PDepthProfileGlobal, 1)
};

43
src/external/DepthProfile/src/PDepthProfile.cpp vendored
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@ -2,8 +2,8 @@
PDepthProfile.cpp
Author: Andreas Suter
e-mail: andreas.suter@psi.ch
Authors: Maria Martins, Andreas Suter
e-mail: maria.martins@psi.ch, andreas.suter@psi.ch
***************************************************************************/
@ -54,6 +54,20 @@ PDepthProfileGlobal::PDepthProfileGlobal() {
std::cout << std::endl;
fValid = false;
}
// calculate cumulative frequency distribution of all the rge-files
PRgeDataList rgeData = fRgeHandler->GetRgeData();
fCfd.resize(fRgeHandler->GetNoOfRgeDataSets());
for (unsigned int i=0; i<fCfd.size(); i++) {
fCfd[i].energy = rgeData[i].energy;
fCfd[i].depth = rgeData[i].depth;
fCfd[i].nn.resize(rgeData[i].nn.size());
double dval=0.0;
for (unsigned int j=0; j<fCfd[i].nn.size(); j++) {
dval += rgeData[i].nn[j];
fCfd[i].nn[j] = dval;
}
}
}
//--------------------------------------------------------------------------
@ -80,7 +94,7 @@ ClassImp(PDepthProfile)
* <p>Clean up the global part.
*/
PDepthProfile::~PDepthProfile() {
if ((fDepthProfileGlobal != 0) && fInvokedGlobal) {
if ((fDepthProfileGlobal != nullptr) && fInvokedGlobal) {
delete fDepthProfileGlobal;
fDepthProfileGlobal = nullptr;
}
@ -140,7 +154,13 @@ Bool_t PDepthProfile::GlobalPartIsValid() const {
//--------------------------------------------------------------------------
// GetStoppingProbability()
//--------------------------------------------------------------------------
/**
* @brief PDepthProfileGlobal::GetStoppingProbability
* @param a
* @param b
* @param energy
* @return
*/
double PDepthProfileGlobal::GetStoppingProbability(double a, double b, Double_t energy) const {
// calculation of stopping probability for a given z interval and experimental energy
@ -175,12 +195,18 @@ double PDepthProfileGlobal::GetStoppingProbability(double a, double b, Double_t
//--------------------------------------------------------------------------
// operator()
//--------------------------------------------------------------------------
/**
* @brief PDepthProfile::operator ()
* @param t
* @param param
* @return
*/
Double_t PDepthProfile::operator()(Double_t t, const std::vector <Double_t> &param) const {
//verify number of parameters: 2n+1
// parameters: {E,f1, f2, ..., f_n, x1, ..., x_(n-1)}
// verify number of parameters: 2n+1, i.e. it has to be an odd number of parameters
// parameters: {f1, f2, ..., f_n, x1, ..., x_(n-1)}
assert(param.size() > 2);
assert(((param.size() - 1) % 2) == 0);
//number of steps: n+1
int n = (param.size() - 1) / 2;
std::vector<double> parameters;
@ -259,10 +285,7 @@ Double_t PDepthProfile::operator()(Double_t t, const std::vector <Double_t> &par
fit = fit + parameters[j] * probability[j];
}
/* std::cout << "Energy " << energy << std::endl;
std::cout << "FRACTION " << fit << std::endl;*/
return fit;
}