fix float to int trunncation in digi

Calorimeter/CaloDigiAlgs/src/CaloWaveformDigiAlg.cxx

@@ -6,6 +6,7 @@
 
 #include <map>
 #include <utility>
+#include <cmath>
 
 CaloWaveformDigiAlg::CaloWaveformDigiAlg(const std::string& name, 
 					 ISvcLocator* pSvcLocator)
@@ -122,8 +123,8 @@ CaloWaveformDigiAlg::execute(const EventContext& ctx) const {
     // Subtract count from basleine and add result to correct waveform vector
     for (const auto& c : counts) {
 
-      unsigned int baseline = m_digiTool->generate_baseline(m_base_mean, m_base_rms);
-      int value = baseline - c.second;
+      double baseline = m_digiTool->generate_baseline(m_base_mean, m_base_rms);
+      int value = std::round(baseline - c.second);
 
       if (value < 0) {
 	ATH_MSG_WARNING("Found pulse " << c.second << " larger than baseline " << c.first);

Scintillator/ScintDigiAlgs/src/ScintWaveformDigiAlg.cxx

@@ -3,6 +3,7 @@
 #include "ScintSimEvent/ScintHitIdHelper.h"
 
 #include <map>
+#include <cmath>
 
 
 ScintWaveformDigiAlg::ScintWaveformDigiAlg(const std::string& name, 
@@ -170,8 +171,8 @@ ScintWaveformDigiAlg::execute(const EventContext& ctx) const {
     // Subtract count from basleine and add result to correct waveform vector
     for (const auto& c : counts) {
 
-      unsigned int baseline = m_digiTool->generate_baseline(m_base_mean, m_base_rms);
-      int value = baseline - c.second;
+      double baseline = m_digiTool->generate_baseline(m_base_mean, m_base_rms);
+      int value = std::round(baseline - c.second);
 
       if (value < 0) {
 	ATH_MSG_WARNING("Found pulse " << c.second << " larger than baseline " << c.first);

Waveform/WaveDigiTools/WaveDigiTools/IWaveformDigitisationTool.h

@@ -51,7 +51,7 @@ public:
   virtual std::vector<float> evaluate_timekernel(TF1* kernel) const = 0;
 
   /// Generate random baseline 
-  virtual unsigned int generate_baseline(int mean, int rms) const = 0;
+  virtual float generate_baseline(float mean, float rms) const = 0;
  
   /// Create structure to store pulse for each channel
   template <class T> 

Waveform/WaveDigiTools/src/WaveformDigitisationTool.cxx

@@ -41,7 +41,7 @@ WaveformDigitisationTool::evaluate_timekernel(TF1* kernel) const {
   return timekernel;
 }
 
-unsigned int 
-WaveformDigitisationTool::generate_baseline(int mean, int rms) const {
+float
+WaveformDigitisationTool::generate_baseline(float mean, float rms) const {
   return m_random->Gaus(mean, rms);
 }

Waveform/WaveDigiTools/src/WaveformDigitisationTool.h

@@ -32,7 +32,7 @@ class WaveformDigitisationTool: public extends<AthAlgTool, IWaveformDigitisation
   std::vector<float> evaluate_timekernel(TF1* kernel) const;
 
   /// Generate random baseline 
-  unsigned int generate_baseline(int mean, int rms) const;
+  float generate_baseline(float mean, float rms) const;
 
 
  private: