X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d2182f07ffae5d26030b8f05cb2f3eb845c5bb4d..6c7b494f8d1203fb34e01e349b339a70a68daa7a:/include/xbt/random.hpp?ds=sidebyside

diff --git a/include/xbt/random.hpp b/include/xbt/random.hpp
index 83c8cbf240..7d4e4ef30b 100644
--- a/include/xbt/random.hpp
+++ b/include/xbt/random.hpp
@@ -40,20 +40,12 @@ public:
   /**
    * @brief Read the state of the Mersenne-Twister RNG from a file
    */
-  void read_state(std::string filename)
-  {
-    std::ifstream file(filename);
-    file >> mt19937_gen;
-  }
+  bool read_state(const std::string& filename);
 
   /**
    * @brief Write the state of the Mersenne-Twister RNG to a file
    */
-  void write_state(std::string filename)
-  {
-    std::ofstream file(filename);
-    file << mt19937_gen;
-  }
+  bool write_state(const std::string& filename) const;
 
   /**
    * @brief Draws an integer number uniformly in range [min, max] (min and max included)
@@ -133,14 +125,14 @@ void set_implem_std();
 void set_mersenne_seed(int);
 
 /**
- * @brief Read the state of the Mersenne-Twister RNG from a file
+ * @brief Read the state of the Mersenne-Twister RNG from a file.
  */
-void read_mersenne_state(std::string filename);
+bool read_mersenne_state(const std::string& filename);
 
 /**
- * @brief Write the state of the Mersenne-Twister RNG to a file
+ * @brief Write the state of the Mersenne-Twister RNG to a file.
  */
-void write_mersenne_state(std::string filename);
+bool write_mersenne_state(const std::string& filename);
 
 /**
  * @brief Draws an integer number uniformly in range [min, max] (min and max included)