Histor created all processors 329 (SimVascular#330)

* Change file name.

* Add check for master process to open histor.dat file.

Author: ktbolt

Code/Source/solver/initialize.cpp

@@ -328,19 +328,21 @@ void initialize(Simulation* simulation, Vector<double>& timeP)
   dmsg.banner();
   #endif
 
-  std::string hist_file_name;
+  // Setup logging to history file.
+  if (!simulation->com_mod.cm.slv(simulation->cm_mod)) {
+    std::string hist_file_name;
 
-  if (chnl_mod.appPath != "") { 
-    auto mkdir_arg = std::string("mkdir -p ") + chnl_mod.appPath;
-    std::system(mkdir_arg.c_str());
-    hist_file_name = chnl_mod.appPath + "/" + simulation->history_file_name;
-  } else {
-    hist_file_name = simulation->history_file_name;
-  }
+    if (chnl_mod.appPath != "") { 
+      auto mkdir_arg = std::string("mkdir -p ") + chnl_mod.appPath;
+      std::system(mkdir_arg.c_str());
+      hist_file_name = chnl_mod.appPath + "/" + simulation->history_file_name;
+    } else {
+      hist_file_name = simulation->history_file_name;
+    }
 
-  // Setup logging to history file.
-  bool output_to_cout = true;
-  simulation->logger.initialize(hist_file_name, output_to_cout);
+    bool output_to_cout = true;
+    simulation->logger.initialize(hist_file_name, output_to_cout);
+  }
 
   #ifdef debug_initialize
   dmsg << "Set time " << std::endl;