more std boost filesystem use

corsika/detail/framework/utility/SaveBoostHistogram.inl

@@ -25,8 +25,7 @@ namespace corsika {
   template <class Axes, class Storage>
   inline void save_hist(boost::histogram::histogram<Axes, Storage> const& h,
                         std::string const& filename, bool overwrite) {
-    if (boost::filesystem::status(filename).type() !=
-        boost::filesystem::file_type::file_not_found) {
+    if (boost::filesystem::exists(filename)) {
       if (overwrite) {
         boost::filesystem::remove(filename);
       } else {

examples/cascade_proton_example.cpp

@@ -80,7 +80,7 @@ int main() {
       UniformMagneticField<HomogeneousMedium<setup::EnvironmentInterface>>>;
 
   world->setModelProperties<MyHomogeneousModel>(
-      Medium::AirDry1Atm, MagneticFieldVector(rootCS, 0_T, 0_T, 1_T),
+      Medium::AirDry1Atm, MagneticFieldVector(rootCS, 0_T, 0_T, 1_mT),
       1_kg / (1_m * 1_m * 1_m),
       NuclearComposition(std::vector<Code>{Code::Hydrogen},
                          std::vector<float>{(float)1.}));
@@ -92,7 +92,7 @@ int main() {
   stack.clear();
   const Code beamCode = Code::Proton;
   const HEPMassType mass = Proton::mass;
-  const HEPEnergyType E0 = 1000_GeV;
+  const HEPEnergyType E0 = 200_GeV;
   double theta = 0.;
   double phi = 0.;
 

examples/corsika.cpp

@@ -88,13 +88,11 @@ void registerRandomStreams(int seed) {
   RNGManager<>::getInstance().registerRandomStream("pythia");
   RNGManager<>::getInstance().registerRandomStream("urqmd");
   RNGManager<>::getInstance().registerRandomStream("proposal");
-
   if (seed == 0) {
     std::random_device rd;
     seed = rd();
     cout << "new random seed (auto) " << seed << endl;
   }
-
   RNGManager<>::getInstance().setSeed(seed);
 }