reorganized project for cleaner filesystem

src/main.cc

@@ -0,0 +1,42 @@
+#include <iostream>
+#include <filesystem>
+
+#include <nufi/nufi_solver.h>
+
+void clear_results_directory(const std::string &dir)
+{
+    if (!std::filesystem::exists(dir) || !std::filesystem::is_directory(dir))
+        return;
+
+    for (const auto &entry : std::filesystem::directory_iterator(dir))
+    {
+        if (std::filesystem::is_regular_file(entry))
+        {
+            std::filesystem::remove(entry.path());
+            std::cout << "Deleted: " << entry.path() << '\n';
+        }
+    }
+}
+
+int main()
+{
+    try
+    {
+        clear_results_directory("results");
+
+        NuFISolver solver;
+        solver.run();
+    }
+    catch (const std::exception &exc)
+    {
+        std::cerr << "\nException:\n" << exc.what() << "\n";
+        return 1;
+    }
+    catch (...)
+    {
+        std::cerr << "\nUnknown exception!\n";
+        return 1;
+    }
+
+    return 0;
+}