random.h File Reference

Common interface to the software PRNG. More...

Detailed Description

Common interface to the software PRNG.

Various implementations of a PRNG are available:

  • Tiny Mersenne Twister (default)
  • Mersenne Twister
  • Simple Park-Miller PRNG
  • Musl C PRNG

Definition in file random.h.

#include <inttypes.h>
+ Include dependency graph for random.h:
+ This graph shows which files directly or indirectly include this file:

Go to the source code of this file.


#define PRNG_FLOAT   (0)
 Enables support for floating point random number generation.


void random_init (uint32_t s)
 initializes PRNG with a seed More...
void random_init_by_array (uint32_t init_key[], int key_length)
 initialize by an array with array-length init_key is the array for initializing keys key_length is its length slight change for C++, 2004/2/26 More...
uint32_t random_uint32 (void)
 generates a random number on [0,0xffffffff]-interval More...
static uint32_t random_uint32_range (uint32_t a, uint32_t b)
 generates a random number r with a <= r < b. More...