--- deliantra/server/include/util.h	2007/01/15 02:39:41	1.31
+++ deliantra/server/include/util.h	2007/01/18 19:32:37	1.32
@@ -37,6 +37,12 @@
 
 void fork_abort (const char *msg);
 
+template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; }
+template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; }
+template<typename T, typename U, typename V> static inline T clamp (T v, U a, V b) { return v < (T)a ? a : v >(T)b ? b : v; }
+
+template<typename T, typename U> static inline void swap (T& a, U& b) { T t=a; a=(T)b; b=(U)t; }
+
 // this is much faster than crossfires original algorithm
 // on modern cpus
 inline int
@@ -185,6 +191,37 @@
   }
 };
 
+// P. L'Ecuyer, “Maximally Equidistributed Combined Tausworthe Generators”, Mathematics of Computation, 65, 213 (1996), 203–213.
+// http://www.iro.umontreal.ca/~lecuyer/myftp/papers/tausme.ps
+// http://www.iro.umontreal.ca/~lecuyer/myftp/papers/tausme2.ps
+struct tausworthe_random_generator
+{
+  uint32_t state [4];
+
+  tausworthe_random_generator (uint32_t seed);
+  uint32_t next ();
+
+  uint32_t operator ()(uint32_t r_max)
+  {
+    return next () % r_max;
+  }
+
+  // return a number within (min .. max)
+  int operator () (int r_min, int r_max)
+  {
+    return r_min + next () % max (r_max - r_min + 1, 1);
+  }
+
+  double operator ()()
+  {
+    return next () / (double)0xFFFFFFFFU;
+  }
+};
+
+typedef tausworthe_random_generator rand_gen;
+
+extern rand_gen rndm;
+
 template<class T>
 struct refptr
 {
@@ -311,12 +348,6 @@
   }
 };
 
-template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; }
-template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; }
-template<typename T, typename U, typename V> static inline T clamp (T v, U a, V b) { return v < (T)a ? a : v >(T)b ? b : v; }
-
-template<typename T, typename U> static inline void swap (T& a, U& b) { T t=a; a=(T)b; b=(U)t; }
-
 // basically does what strncpy should do, but appends "..." to strings exceeding length
 void assign (char *dst, const char *src, int maxlen);