doxy/current/rng_8h_source.html

 #ifndef CSNIP_RNG_H

 #define CSNIP_RNG_H


 struct csnip_rng_T {

     unsigned long minval;

     unsigned long maxval;

     void* state;

     void (*seed)(const struct csnip_rng_T* rng,

              int nseed,

                  const unsigned long* seed);

     unsigned long int (*getnum)(

             const struct csnip_rng_T* rng);

 };


 typedef struct csnip_rng_T csnip_rng;


 inline unsigned long int csnip_rng_getnum(const csnip_rng* R)

 {

     return (*R->getnum)(R);

 }


 inline void csnip_rng_seed(const csnip_rng* R,

                 int nseed,

                 const unsigned long* seed)

 {

     (*R->seed)(R, nseed, seed);

 }


 #endif /* CSNIP_RNG_H */


 #if defined(CSNIP_SHORT_NAMES) && !defined(CSNIP_RNG_HAVE_SHORT_NAMES)

 #define rng     csnip_rng

 #define rng_getnum  csnip_rng_getnum

 #define rng_seed    csnip_rng_seed

 #define CSNIP_RNG_HAVE_SHORT_NAMES

 #endif /* CSNIP_SHORT_NAMES && !CSNIP_RNG_HAVE_SHORT_NAMES */

csnip_rng_getnum
unsigned long int csnip_rng_getnum(const csnip_rng *R)
Retrieve a number from the RNG.
Definition: rng.h:34

csnip_rng_seed
void csnip_rng_seed(const csnip_rng *R, int nseed, const unsigned long *seed)
Seed the RNG.
Definition: rng.h:43

csnip_rng_T
Method table for a random number generator.
Definition: rng.h:12

csnip_rng_T::maxval
unsigned long maxval
Maximum value returned by RNG, inclusive.
Definition: rng.h:14

csnip_rng_T::seed
void(* seed)(const struct csnip_rng_T *rng, int nseed, const unsigned long *seed)
Seed the RNG with the given seed memory.
Definition: rng.h:20

csnip_rng_T::getnum
unsigned long int(* getnum)(const struct csnip_rng_T *rng)
Retrieve the next random number and update state.
Definition: rng.h:24

csnip_rng_T::minval
unsigned long minval
Minimum value returned by RNG, inclusive.
Definition: rng.h:13

csnip_rng_T::state
void * state
The random number generator state.
Definition: rng.h:16