add protection in TOF geo

noferini · sawenzel · commit ebfd56d5ba1a · 2024-04-18T13:46:01.000+02:00
diff --git a/Detectors/TOF/base/src/Geo.cxx b/Detectors/TOF/base/src/Geo.cxx
@@ -755,12 +755,12 @@ Int_t Geo::fromPlateToStrip(Float_t* pos, Int_t iplate, Int_t isector)
   int firstStripToCheck = stripFound;
   int lastStripToCheck = stripFound;
   if (stripFound != 0) {
-    while (std::abs(pos[2] + getGeoDistances(isector, iplate, firstStripToCheck - 1)) < 10) {
+    while (firstStripToCheck != 0 && std::abs(pos[2] + getGeoDistances(isector, iplate, firstStripToCheck - 1)) < 10) {
       --firstStripToCheck;
     }
   }
   if (stripFound != nstrips - 1) {
-    while (std::abs(pos[2] + getGeoDistances(isector, iplate, lastStripToCheck + 1)) < 10) {
+    while (lastStripToCheck != nstrips - 1 && std::abs(pos[2] + getGeoDistances(isector, iplate, lastStripToCheck + 1)) < 10) {
       ++lastStripToCheck;
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -755,12 +755,12 @@ Int_t Geo::fromPlateToStrip(Float_t* pos, Int_t iplate, Int_t isector)`
`755`	`755`	`int firstStripToCheck = stripFound;`
`756`	`756`	`int lastStripToCheck = stripFound;`
`757`	`757`	`if (stripFound != 0) {`
`758`		`- while (std::abs(pos[2] + getGeoDistances(isector, iplate, firstStripToCheck - 1)) < 10) {`
	`758`	`+ while (firstStripToCheck != 0 && std::abs(pos[2] + getGeoDistances(isector, iplate, firstStripToCheck - 1)) < 10) {`
`759`	`759`	`--firstStripToCheck;`
`760`	`760`	`}`
`761`	`761`	`}`
`762`	`762`	`if (stripFound != nstrips - 1) {`
`763`		`- while (std::abs(pos[2] + getGeoDistances(isector, iplate, lastStripToCheck + 1)) < 10) {`
	`763`	`+ while (lastStripToCheck != nstrips - 1 && std::abs(pos[2] + getGeoDistances(isector, iplate, lastStripToCheck + 1)) < 10) {`
`764`	`764`	`++lastStripToCheck;`
`765`	`765`	`}`
`766`	`766`	`}`