rm fct arg

Sim/Scan/AlphaScan.cpp

@@ -35,7 +35,7 @@ std::vector<ParameterSample> drawResolution(const ScanResolution* resol)
 {
     if (!resol)
         return {{0., 1}};
-    return resol->resolutionSamples(0.);
+    return resol->resolutionSamples();
 }
 
 } // namespace

Sim/Scan/QzScan.cpp

@@ -80,7 +80,7 @@ std::vector<SpecularElement> QzScan::generateElements() const
     for (size_t i = 0; i < m_axis->size(); ++i) {
         const double q0 = m_axis->binCenters()[i];
         if (m_resolution) {
-            const auto samples = m_resolution->resolutionSamples(0.);
+            const auto samples = m_resolution->resolutionSamples();
             for (size_t j = 0; j < samples.size(); ++j) {
                 double qz = q0;
                 ASSERT(m_resol_width.size() > 0);

Sim/Scan/ScanResolution.cpp

@@ -30,9 +30,9 @@ ScanResolution* ScanResolution::clone() const
     return new ScanResolution(*rdistribution(), m_stddev);
 }
 
-std::vector<ParameterSample> ScanResolution::resolutionSamples(double mean) const
+std::vector<ParameterSample> ScanResolution::resolutionSamples() const
 {
-    return rdistribution()->generateSamples(mean, m_stddev);
+    return rdistribution()->generateSamples(0., m_stddev);
 }
 
 size_t ScanResolution::nSamples() const

Sim/Scan/ScanResolution.h

@@ -36,7 +36,7 @@ public:
     }
     size_t nSamples() const;
 
-    std::vector<ParameterSample> resolutionSamples(double mean) const;
+    std::vector<ParameterSample> resolutionSamples() const;
 
     double stdDev() const
     {