GPU TPC: Do not shift track in Z after the last fit

davidrohr · davidrohr · commit a28ef94e0010 · 2025-05-07T16:01:27.000+02:00
diff --git a/GPU/GPUTracking/Merger/GPUTPCGMTrackParam.cxx b/GPU/GPUTracking/Merger/GPUTPCGMTrackParam.cxx
@@ -407,7 +407,7 @@ GPUd() bool GPUTPCGMTrackParam::Fit(GPUTPCGMMerger* GPUrestrict() merger, int32_
         break; // bad chi2 for the whole track, stop the fit
       }
     }
-    if (((nWays - iWay) & 1) && (clusters[0].sector < 18) == (clusters[maxN - 1].sector < 18)) {
+    if (((nWays - iWay) & 1) && (iWay != nWays - 1) && (clusters[0].sector < 18) == (clusters[maxN - 1].sector < 18)) {
       ShiftZ2(clusters, clustersXYZ, merger, maxN);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -407,7 +407,7 @@ GPUd() bool GPUTPCGMTrackParam::Fit(GPUTPCGMMerger* GPUrestrict() merger, int32_`
`407`	`407`	`break; // bad chi2 for the whole track, stop the fit`
`408`	`408`	`}`
`409`	`409`	`}`
`410`		`- if (((nWays - iWay) & 1) && (clusters[0].sector < 18) == (clusters[maxN - 1].sector < 18)) {`
	`410`	`+ if (((nWays - iWay) & 1) && (iWay != nWays - 1) && (clusters[0].sector < 18) == (clusters[maxN - 1].sector < 18)) {`
`411`	`411`	`ShiftZ2(clusters, clustersXYZ, merger, maxN);`
`412`	`412`	`}`
`413`	`413`	`}`