add some debug monitoring

Scintillator/ScintRecTools/src/ClockReconstructionTool.cxx

@@ -64,7 +64,8 @@ ClockReconstructionTool::reconstruct(const ScintWaveform& raw_wave,
 
   ATH_MSG_DEBUG("Created double array with length " << wave.size() );
   ATH_MSG_DEBUG("First 10 elements:");
-  for (unsigned int i=0; i < std::min(10, N); i++)
+
+  for (int i=0; i < std::min(10, N); i++)
     ATH_MSG_DEBUG(" " << i << " " << wave[i]);
 
   // delta_nu = 1/T where T is the total waveform length
@@ -138,5 +139,29 @@ ClockReconstructionTool::reconstruct(const ScintWaveform& raw_wave,
 
   delete fftr2c;
 
+  if (m_checkResult) checkResult(raw_wave, clockdata);
+
   return StatusCode::SUCCESS;
 }
+
+void
+ClockReconstructionTool::checkResult(const ScintWaveform& raw_wave,
+				     xAOD::WaveformClock* clockdata) const {
+
+  // Go through each element in raw_wave and make sure time in clockdata matches
+
+  float time;
+  for (unsigned int i=0; i<raw_wave.adc_counts().size(); i++) {
+    time = 2.*i; // Time in ns
+
+    float dt = clockdata->time_from_clock(time);
+
+    // Is raw_wave HI or LO?
+    bool hi = raw_wave.adc_counts()[i] > clockdata->dc_offset();
+
+    // Check for mismatch
+    if (((dt < 12.5) && !hi) || ((dt > 12.5) && hi) ) 
+      ATH_MSG_WARNING("Clock Time:" << time << " dt:" << dt << " found" << hi);
+  }
+
+}

Scintillator/ScintRecTools/src/ClockReconstructionTool.h

@@ -45,6 +45,12 @@ class ClockReconstructionTool: public extends<AthAlgTool, IClockReconstructionTo
   /// Minimum samples in the input waveform array to try FFT
   IntegerProperty m_minimumSamples{this, "MinimumSamples", 40};
 
+  /// Check reconstructed clock against waveform
+  BooleanProperty m_checkResult{this, "CheckResult", false};
+
+  void checkResult(const ScintWaveform& raw_wave,
+		   xAOD::WaveformClock* clockdata) const;
+
 };
 
 #endif // SCINTRECTOOLS_CLOCKRECONSTRUCTIONTOOL_H