fixes exception for odd number of nodes

apps/cpu/LaminarPipeFlow/LaminarPipeFlow.cpp

@@ -83,7 +83,7 @@ void run(string configname)
       pressureBC2->setBCStrategy(SPtr<BCStrategy>(new PressureNonEquilibrium()));
 
       //////////////////////////////////////////////////////////////////////////////////
-      //BS visitor
+      //BC visitor
       BoundaryConditionsBlockVisitor bcVisitor;
 
       SPtr<Grid3D> grid(new Grid3D(comm));

src/cpu/core/Visitors/SetInterpolationConnectorsBlockVisitor.cpp

@@ -60,7 +60,7 @@ void SetInterpolationConnectorsBlockVisitor::visit(SPtr<Grid3D> grid, SPtr<Block
     if(!block) return;
 
     UbTupleInt3 blockNX = grid->getBlockNX();
-    if (val<1>(blockNX) % 2 == 0 && val<2>(blockNX) % 2 == 0 && val<3>(blockNX) % 2 == 0)
+    if (val<1>(blockNX) % 2 != 0 && val<2>(blockNX) % 2 != 0 && val<3>(blockNX) % 2 != 0)
         UB_THROW(UbException(UB_EXARGS, "Odd number of nodes: The number of nodes in each dimension (x,y,z) has to be even."));
 
     UBLOG(logDEBUG5, "SetInterpolationConnectorsBlockVisitor::visit() - start");