numeric setting value display fix

src/util/command_line.cpp

@@ -1,4 +1,4 @@
-#include "command_line.h"
+#include "command_line.hpp"
 
 #include <filesystem>
 

src/util/command_line.hpp

@@ -1,5 +1,5 @@
-#ifndef UTIL_COMMAND_LINE_H_
-#define UTIL_COMMAND_LINE_H_
+#ifndef UTIL_COMMAND_LINE_HPP_
+#define UTIL_COMMAND_LINE_HPP_
 
 #include <string>
 #include <iostream>
@@ -35,7 +35,7 @@ public:
     }
 };
 
-/* @return false if engine start can*/
-extern bool parse_cmdline(int argc, char** argv, EnginePaths& paths);
+/// @return false if engine start can
+bool parse_cmdline(int argc, char** argv, EnginePaths& paths);
 
-#endif // UTIL_COMMAND_LINE_H_
+#endif // UTIL_COMMAND_LINE_HPP_

src/util/stringutil.cpp

@@ -197,6 +197,7 @@ void util::trim(std::string &s) {
 
 std::string util::to_string(double x) {
     std::stringstream ss;
+    ss << std::setprecision(6);
     ss << x;
     return ss.str(); 
 }