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Implementation of TauWPThreshold without need to catch exceptions #43890

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Feb 9, 2024
Merged

Implementation of TauWPThreshold without need to catch exceptions #43890

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16 changes: 9 additions & 7 deletions RecoTauTag/RecoTau/interface/TauWPThreshold.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3,20 +3,22 @@

#include "DataFormats/TauReco/interface/BaseTau.h"
#include "DataFormats/PatCandidates/interface/Tau.h"

#include <TF1.h>

#include <cmath>
#include <cstdlib>

namespace tau {
class TauWPThreshold {
public:
explicit TauWPThreshold(const std::string& cut_str) {
bool simple_value = false;
try {
size_t pos = 0;
value_ = std::stod(cut_str, &pos);
simple_value = (pos == cut_str.size());
} catch (std::invalid_argument&) {
} catch (std::out_of_range&) {
}
const char* cut_cstr = cut_str.c_str();
char* end_cstr{};
value_ = std::strtod(cut_cstr, &end_cstr);
// simple number if end_cstr is empty and not equal to initial string (cut_cstr), and returned value is finite
simple_value = !*end_cstr && cut_cstr != end_cstr && std::isfinite(value_);
if (!simple_value) {
static const std::string prefix =
"[&](double *x, double *p) { const int decayMode = p[0];"
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