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4 changed files with 5 additions and 76 deletions

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@ -84,20 +84,16 @@ namespace Specter {
{
sabreFlag = true;
if (hit.longEnergy > iter->second.GetValue())
iter->second.SetValue(hit.longEnergy + RandomGenerator::GetUniformFraction());
iter->second.SetValue(hit.longEnergy);
continue;
}
//Note randomization of values. In general, we want to plot/calculate as floating point.
//Especially for histograms, care has to be taken to randomize the decimal to account for binning.
//For timestamps from PSD, since we reduce accuracy by 3 orders of mag, no randomization needed.
//For timestamps from PHA, need randomization on interval from 0 to digitizer sampling period.
switch (hit.id)
{
case s_scintLeftID:
{
if (hit.longEnergy > scintLeft.GetValue())
scintLeft.SetValue(hit.longEnergy + RandomGenerator::GetUniformFraction());
scintLeft.SetValue(hit.longEnergy);
break;
}
case s_beamIntID:
@ -108,7 +104,7 @@ namespace Specter {
case s_cathodeID:
{
if (hit.longEnergy > cathode.GetValue())
cathode.SetValue(hit.longEnergy + RandomGenerator::GetUniformFraction());
cathode.SetValue(hit.longEnergy);
break;
}
case s_delayFrontLeftID:
@ -138,13 +134,13 @@ namespace Specter {
case s_anodeFrontID:
{
if (hit.longEnergy > anodeFront.GetValue())
anodeFront.SetValue(hit.longEnergy + RandomGenerator::GetUniformFraction());
anodeFront.SetValue(hit.longEnergy);
break;
}
case s_anodeBackID:
{
if (hit.longEnergy > anodeBack.GetValue())
anodeBack.SetValue(hit.longEnergy + RandomGenerator::GetUniformFraction());
anodeBack.SetValue(hit.longEnergy);
break;
}
}
@ -152,7 +148,6 @@ namespace Specter {
//If you want to use parameters to calculate another parameter, you
//need to check that the parameter is valid (set in this event)!
//Note subsequent calculations no longer need randomization.
if(delayFLTime.IsValid() && delayFRTime.IsValid())
x1.SetValue((delayFLTime.GetValue() - delayFRTime.GetValue())*0.5*0.4762);

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@ -105,7 +105,6 @@ target_sources(Specter PRIVATE
Specter/Physics/Daqromancy/DYOnlineSource.cpp
Specter/Utils/Functions.h
Specter/Utils/Functions.cpp
Specter/Utils/RandomGenerator.h
)
#ImPlot sources

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@ -35,6 +35,5 @@
#include "Specter/Utils/TestServerLayer.h"
#include "Specter/Utils/Instrumentor.h"
#include "Specter/Utils/Functions.h"
#include "Specter/Utils/RandomGenerator.h"
#endif

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@ -1,64 +0,0 @@
/*
RandomGenerator.h
Thread-safe implementation of stl random number generator library. A single Mersenne-Twister generator is created for
each thread. The paramters for the distributions are passed in to the function call, and a random number is calculated
for the requested distribution. Note that distributions are templated so that one can specify the type of distributions,
but most distributions only support a limited range of types. The valid types are commented for each case.
Oct 2022 -- GWM
*/
#ifndef RANDOM_GENERATOR_H
#define RANDOM_GENERATOR_H
#include <random>
namespace Specter {
class RandomGenerator
{
public:
//Valid for float, double, long double
template<typename T>
static T GetUniformReal(T min, T max)
{
std::uniform_real_distribution<T> distribution(min, max);
return distribution(GetGenerator());
}
//Valid for any integer type (signed or unsigned)
template<typename T>
static T GetUniformInt(T min, T max)
{
std::uniform_int_distribution<T> distribution(min, max);
return distribution(GetGenerator());
}
//Valid for float, double, long double
template<typename T>
static T GetNormal(T mean, T sigma)
{
std::normal_distribution<T> distribution(mean, sigma);
return distribution(GetGenerator());
}
//This is the most common use case, so we eliminate recreation of distribution, templating.
//For randomization of decimals in conversion from integer -> floating point for histograming
static double GetUniformFraction()
{
static std::uniform_real_distribution<double> distribution(0.0, 1.0);
return distribution(GetGenerator());
}
private:
static std::mt19937& GetGenerator()
{
static thread_local std::mt19937 generator((std::random_device())());
return generator;
}
};
}
#endif