fix communication in case of not found responsible node and use const reference when catching

ippl/src/Particle/ParticleSpatialLayout.h

@@ -1217,10 +1217,9 @@ protected:
             particlesLeft--;
         }
 
-        new_reduce(&responsibleNodeNotFound,
-                   &responsibleNodeNotFound,
-                   1,
-                   std::logical_or<bool>());
+        allreduce(&responsibleNodeNotFound,
+                  1,
+                  std::logical_or<bool>());
 
         if (responsibleNodeNotFound) {
             throw IpplException("ParticleSpatialLayout::new_swap_particles",
@@ -1362,10 +1361,9 @@ protected:
             particlesLeft--;
         }
 
-        new_reduce(&responsibleNodeNotFound,
-                   &responsibleNodeNotFound,
-                   1,
-                   std::logical_or<bool>());
+        allreduce(&responsibleNodeNotFound,
+                  1,
+                  std::logical_or<bool>());
 
         if (responsibleNodeNotFound) {
             throw IpplException("ParticleSpatialLayout::new_swap_particles",

src/Classic/Algorithms/PartBunchBase.hpp

@@ -2394,7 +2394,7 @@ template <class T, unsigned Dim>
 void PartBunchBase<T, Dim>::update() {
     try {
         pbase->update();
-    } catch (IpplException &ex) {
+    } catch (const IpplException &ex) {
         throw OpalException(ex.where(), ex.what());
     }
 }
@@ -2403,7 +2403,7 @@ template <class T, unsigned Dim>
 void PartBunchBase<T, Dim>::update(const ParticleAttrib<char>& canSwap) {
     try {
         pbase->update(canSwap);
-    } catch (IpplException &ex) {
+    } catch (const IpplException &ex) {
         throw OpalException(ex.where(), ex.what());
     }
 }