TPC Cluster Finder: Fix invalid write in peak finder.

fweig · davidrohr · commit f9b1d32ea8c9 · 2024-04-15T09:25:35.000+02:00
diff --git a/GPU/GPUTracking/TPCClusterFinder/GPUTPCCFPeakFinder.cxx b/GPU/GPUTracking/TPCClusterFinder/GPUTPCCFPeakFinder.cxx
@@ -121,5 +121,7 @@ GPUd() void GPUTPCCFPeakFinder::findPeaksImpl(int nBlocks, int nThreads, int iBl
 
   isPeakPredicate[idx] = peak;
 
-  peakMap[pos] = (uchar(charge > calib.tpc.cfInnerThreshold) << 1) | peak;
+  if (pos.valid()) {
+    peakMap[pos] = (uchar(charge > calib.tpc.cfInnerThreshold) << 1) | peak;
+  }
 }

Original file line number	Diff line number	Diff line change
`@@ -121,5 +121,7 @@ GPUd() void GPUTPCCFPeakFinder::findPeaksImpl(int nBlocks, int nThreads, int iBl`
`121`	`121`
`122`	`122`	`isPeakPredicate[idx] = peak;`
`123`	`123`
`124`		`- peakMap[pos] = (uchar(charge > calib.tpc.cfInnerThreshold) << 1) \| peak;`
	`124`	`+ if (pos.valid()) {`
	`125`	`+ peakMap[pos] = (uchar(charge > calib.tpc.cfInnerThreshold) << 1) \| peak;`
	`126`	`+ }`
`125`	`127`	`}`