#if !defined(MISC_H_INCLUDED)
#define MISC_H_INCLUDED
+#include <fstream>
#include <string>
#include "types.h"
extern void dbg_print_hit_rate();
extern void dbg_print_mean();
+struct Log : public std::ofstream {
+ Log(const std::string& f = "log.txt") : std::ofstream(f.c_str(), std::ios::out | std::ios::app) {}
+ ~Log() { if (is_open()) close(); }
+};
+
#endif // !defined(MISC_H_INCLUDED)