Update sbncode/CAFMaker/CAFMaker_module.cc with the correct Nan Check

VCLanNguyen · PetrilloAtWork · VCLanNguyen · commit ee536944bad5 · 2025-09-04T12:21:16.000-05:00
Co-authored-by: Gianluca Petrillo &lt;petrillo@slac.stanford.edu&gt;
diff --git a/sbncode/CAFMaker/CAFMaker_module.cc b/sbncode/CAFMaker/CAFMaker_module.cc
@@ -2465,7 +2465,7 @@ void CAFMaker::produce(art::Event& evt) noexcept {
 
   if (isRealData && (fDet == kSBND))
   {
-    if ((rec.sbnd_frames.frameApplyAtCaf != kSignalingNaN) && (rec.sbnd_frames.frameApplyAtCaf != 0.0)){
+    if (!std::isnan(rec.sbnd_frames.frameApplyAtCaf) && (rec.sbnd_frames.frameApplyAtCaf != 0.0)){
       mf::LogInfo("CAFMaker") << "Setting Reference Timing for timing object in SBND \n"
                               << "    Shift Apply At Caf Level = " << rec.sbnd_frames.frameApplyAtCaf << " ns\n";
       

Original file line number	Diff line number	Diff line change
`@@ -2465,7 +2465,7 @@ void CAFMaker::produce(art::Event& evt) noexcept {`
`2465`	`2465`
`2466`	`2466`	`if (isRealData && (fDet == kSBND))`
`2467`	`2467`	`{`
`2468`		`- if ((rec.sbnd_frames.frameApplyAtCaf != kSignalingNaN) && (rec.sbnd_frames.frameApplyAtCaf != 0.0)){`
	`2468`	`+ if (!std::isnan(rec.sbnd_frames.frameApplyAtCaf) && (rec.sbnd_frames.frameApplyAtCaf != 0.0)){`
`2469`	`2469`	`mf::LogInfo("CAFMaker") << "Setting Reference Timing for timing object in SBND \n"`
`2470`	`2470`	`<< " Shift Apply At Caf Level = " << rec.sbnd_frames.frameApplyAtCaf << " ns\n";`
`2471`	`2471`