Use compile-time if in survive()

Author: bernhardmgruber

examples/Example19/electrons.cu

@@ -53,8 +53,8 @@ static __device__ __forceinline__ void TransportElectrons(Track *electrons, cons
     const int lvolID     = volume->GetLogicalVolume()->id();
     const int theMCIndex = MCIndex[lvolID];
 
-    auto survive = [&](bool push = true) {
-      if (push) activeQueue->push_back(globalSlot);
+    auto survive = [&](auto push = std::true_type{}) {
+      if constexpr (decltype(push)::value) activeQueue->push_back(slot);
     };
 
     // Signal that this globalSlot doesn't undergo an interaction (yet)
@@ -287,7 +287,7 @@ static __device__ __forceinline__ void TransportElectrons(Track *electrons, cons
 
     soaData.nextInteraction[i] = winnerProcessIndex;
 
-    survive(false);
+    survive(std::false_type{});
   }
 }
 

examples/Example19/gammas.cu

@@ -38,8 +38,8 @@ __global__ void TransportGammas(Track *gammas, const adept::MParray *active, Sec
     const int lvolID     = volume->GetLogicalVolume()->id();
     const int theMCIndex = MCIndex[lvolID];
 
-    auto survive = [&](bool push = true) {
-      if (push) activeQueue->push_back(slot);
+    auto survive = [&](auto push = std::true_type{}) {
+      if constexpr (decltype(push)::value) activeQueue->push_back(slot);
     };
 
     // Signal that this slot doesn't undergo an interaction (yet)
@@ -117,8 +117,8 @@ __global__ void TransportGammas(Track *gammas, const adept::MParray *active, Sec
     currentTrack.numIALeft[winnerProcessIndex] = -1.0;
 
     soaData.nextInteraction[i] = winnerProcessIndex;
-    soaData.gamma_PEmxSec[i] = gammaTrack.GetPEmxSec();
-    survive(false);
+    soaData.gamma_PEmxSec[i]   = gammaTrack.GetPEmxSec();
+    survive(std::false_type{});
   }
 }