added sample folders

mlmc/src/mc/MonteCarlo.h

@@ -4,11 +4,14 @@
 #include "m++.h"
 #include "stochastics/StochasticField.h"
 #include "MonteCarloLogger.h"
+#include <sys/stat.h>
+
+#include <utility>
 
 
 class MonteCarlo {
 public:
-    int verbose = 0, plotting = 0;
+    int plotting = 0;
     MonteCarloLogger *logger;
 
     int l = 0, pLevel = 0;
@@ -78,14 +81,26 @@ protected:
             3.0 * avgY * avgY * avgY * avgY) / varY / varY;
     }
 
-    const char *buildString(int m, string name, const string &suffix="") {
+    string mkSampleDirName(int m) {
+        return buildName(m, "sample");
+    }
+
+    void mkSampleDir(int m) {
+        string pathToData = "data/vtk/";
+        string sampleDirName = mkSampleDirName(m);
+        int status = mkdir(const_cast<char *> ((pathToData + sampleDirName).c_str()),
+                           0777);
+    }
+
+    string buildName(int m, string name, const string &suffix = "") {
+        string returnName = std::move(name);
         if (!suffix.empty())
-            name += "_" + suffix;
+            returnName = returnName.append("_").append(suffix);
         if (l != -1)
-            name += "_" + to_string(l);
+            returnName = returnName.append("_").append(to_string(l));
         if (m != -1)
-            name += "_" + to_string(m);
-        return const_cast<char *>(name.c_str());
+            returnName = returnName.append("_").append(to_string(m));
+        return returnName;
     }
 };