Fix 1698604: Moved the quick_rng class into its own header, since it was present...

[synfig.git] / synfig-core / trunk / src / synfig / guid.cpp

diff --git a/synfig-core/trunk/src/synfig/guid.cpp b/synfig-core/trunk/src/synfig/guid.cpp
index a2a4ac4..1369aba 100644 (file)
--- a/synfig-core/trunk/src/synfig/guid.cpp
+++ b/synfig-core/trunk/src/synfig/guid.cpp
@@ -33,6 +33,7 @@
 #endif
 
 #include "guid.h"
+#include "quick_rng.h"
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -76,50 +77,6 @@ using namespace synfig;
 
 /* === M E T H O D S ======================================================= */
 
-// A fast 32-bit linear congruential random number generator
-class quick_rng
-{
-       unsigned long next;
-public:
-       quick_rng(unsigned long seed=0):next(seed) { }
-
-       void set_seed(unsigned long x)
-       {
-               next=x;
-       }
-
-       unsigned long i32()
-       {
-               static const unsigned long a(1664525);
-               static const unsigned long c(1013904223);
-
-               return next=next*a+c;
-       }
-
-       unsigned long i16()
-       {
-               return i32()>>16;
-       }
-
-       float f()
-       {
-               static const float m(int(65535));
-
-               return float(i16())/m;
-       }
-
-       unsigned long operator()(const unsigned long& m)
-       {
-               if(m==65536)
-                       return i16();
-               else
-               if(m<=65536)
-                       return i16()%m;
-               else
-                       return i32()%m;
-       }
-};
-
 #define GUID_RNG quick_rng
 //#define GUID_RNG subtractive_rng