simplify

GUI/Model/FromCore/ItemizeSimulation.cpp

@@ -453,13 +453,13 @@ SpecularInstrumentItem* createSpecularInstrumentItem(const SpecularSimulation& s
     if (const ScanResolution* resolution = alphaScan->wavelengthResolution())
         if (const IRangedDistribution* rdis = resolution->rdistribution()) {
             double mean = alphaScan->wavelength();
-            double std_dev = resolution->stdDevs(mean, 1).front();
+            double std_dev = resolution->stdDev();
             addRangedDistributionToItem(beam_item->wavelengthItem(), *rdis, mean, std_dev);
         }
 
     if (const ScanResolution* resolution = alphaScan->angleResolution())
         if (const IRangedDistribution* rdis = resolution->rdistribution()) {
-            double std_dev = resolution->stdDevs(0.0, 1).front();
+            double std_dev = resolution->stdDev();
             addRangedDistributionToItem(beam_item->inclinationAngleItem(), *rdis, 0, std_dev);
         }
 

Sim/Scan/ScanResolution.cpp

@@ -35,11 +35,6 @@ std::vector<ParameterSample> ScanResolution::resolutionSamples(double mean) cons
     return rdistribution()->generateSamples(mean, m_stddev);
 }
 
-std::vector<double> ScanResolution::stdDevs(double, size_t n_times) const
-{
-    return std::vector<double>(n_times, m_stddev);
-}
-
 size_t ScanResolution::nSamples() const
 {
     return m_distr ? m_distr->nSamples() : 1L;

Sim/Scan/ScanResolution.h

@@ -38,7 +38,10 @@ public:
 
     std::vector<ParameterSample> resolutionSamples(double mean) const;
 
-    std::vector<double> stdDevs(double mean, size_t n_times) const;
+    double stdDev() const
+    {
+        return m_stddev;
+    }
 
     //... For export:
     double delta() const