client/src/prng.h

   1 //-----------------------------------------------------------------------------
   2 //-----------------------------------------------------------------------------
   3 // Burtle Prng - Modified.   42iterations instead of 20.
   4 // ref: http://burtleburtle.net/bob/rand/smallprng.html
   5 //-----------------------------------------------------------------------------
   6
   7 #ifndef __PRNG_H
   8 #define __PRNG_H
   9
  10 #include "common.h"
  11
  12 typedef struct prng_ctx {
  13     uint32_t a;
  14     uint32_t b;
  15     uint32_t c;
  16     uint32_t d;
  17 } prng_ctx;
  18
  19 //uint32_t burtle_get( prng_ctx *x );
  20 uint32_t burtle_get_mod(prng_ctx *x);
  21 void burtle_init_mod(prng_ctx *x, uint32_t seed);
  22 void burtle_init(prng_ctx *x, uint32_t seed);
  23
  24 uint32_t GetSimplePrng(uint32_t seed);
  25
  26 #endif /* __PRNG_H */