+/* Copyright (c) 2007-2014. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
#ifndef _SURF_RMGR_H
#define _SURF_RMGR_H
#include "xbt/heap.h"
#include "xbt/dict.h"
-#include <stdlib.h>
-#include <math.h>
-#include <stdio.h>
-typedef enum {NONE, DRAND48, RAND} Generator;
+SG_BEGIN_DECL()
+
+typedef enum { NONE, DRAND48, RAND, RNGSTREAM } e_random_generator_t;
typedef struct random_data_desc {
- int max, min, mean, stdDeviation;
- Generator generator;
+ long int seed;
+ double max, min;
+ double mean, std; /* note: mean and standard deviation are normalized */
+ e_random_generator_t generator;
} s_random_data_t, *random_data_t;
XBT_PUBLIC_DATA(xbt_dict_t) random_data_list;
-XBT_PUBLIC(float) random_generate(random_data_t random);
-XBT_PUBLIC(random_data_t) random_new(int generator, int min, int max, int mean, int stdDeviation);
+XBT_PUBLIC(double) random_generate(random_data_t random);
+XBT_PUBLIC(random_data_t) random_new(e_random_generator_t generator,
+ long int seed,
+ double min, double max, double mean,
+ double stdDeviation);
-#endif /* _SURF_RMGR_H */
+SG_END_DECL()
+#endif /* _SURF_RMGR_H */
