Digi float -> int truncation fix

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;
+      float 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);