Defines | |
| #define | BUILTIN_RNG_BITS 15 |
| The number of random bits returned by builtin_rng. | |
| #define | BUILTIN_RNG_MAX ((1U << BUILTIN_RNG_BITS) - 1) |
| The maximum value returned by builtin_rng. | |
| #define | BUILTIN_RNG_LARGE_BITS (BUILTIN_RNG_BITS * 2) |
| The number of random bits returned by builtin_rng_large. | |
| #define | BUILTIN_RNG_LARGE_MAX ((1U << BUILTIN_RNG_LARGE_BITS) - 1) |
| The maximum value returned by builtin_rng_large. | |
Typedefs | |
| typedef uint_fast32_t | builtin_rng_state_t |
| The internal state of builtin_rng. | |
Functions | |
| static void | builtin_rng_init (builtin_rng_state_t *state) |
| Initialise the state used by builtin_rng. | |
| static uint_fast16_t | builtin_rng (builtin_rng_state_t *state) |
| Builtin pseudorandom number generator. | |
| static uint_fast32_t | builtin_rng_large (builtin_rng_state_t *state) |
| Builtin pseudorandom number generator. | |
| static unsigned | builtin_rng_n (builtin_rng_state_t *state, unsigned n) |
Return a random unsigned integer between 0 and n-1. | |
| #define BUILTIN_RNG_BITS 15 |
The number of random bits returned by builtin_rng.
Definition at line 255 of file types.c.
Referenced by builtin_rng_large().
| #define BUILTIN_RNG_LARGE_BITS (BUILTIN_RNG_BITS * 2) |
| #define BUILTIN_RNG_LARGE_MAX ((1U << BUILTIN_RNG_LARGE_BITS) - 1) |
The maximum value returned by builtin_rng_large.
Definition at line 264 of file types.c.
Referenced by builtin_rng_n().
| #define BUILTIN_RNG_MAX ((1U << BUILTIN_RNG_BITS) - 1) |
The maximum value returned by builtin_rng.
Definition at line 258 of file types.c.
Referenced by builtin_rng().
| typedef uint_fast32_t builtin_rng_state_t |
| static uint_fast16_t builtin_rng | ( | builtin_rng_state_t * | state | ) | [inline, static] |
Builtin pseudorandom number generator.
Return a pseudorandom unsigned integer between 0 and BUILTIN_RNG_MAX. The algorithm is mentioned in the C standard (ISO/IEC 9899:1999), and it is also used in the GNU C Library to implement rand_r.
Definition at line 279 of file types.c.
References BUILTIN_RNG_MAX.
Referenced by builtin_rng_large().
| static void builtin_rng_init | ( | builtin_rng_state_t * | state | ) | [inline, static] |
| static uint_fast32_t builtin_rng_large | ( | builtin_rng_state_t * | state | ) | [inline, static] |
Builtin pseudorandom number generator.
Return a pseudorandom unsigned integer between 0 and BUILTIN_RNG_LARGE_MAX.
Definition at line 288 of file types.c.
References builtin_rng(), and BUILTIN_RNG_BITS.
Referenced by builtin_rng_n().
| static unsigned builtin_rng_n | ( | builtin_rng_state_t * | state, | |
| unsigned | n | |||
| ) | [inline, static] |
Return a random unsigned integer between 0 and n-1.
Definition at line 297 of file types.c.
References builtin_rng_large(), and BUILTIN_RNG_LARGE_MAX.
Referenced by builtin_rng_permutation().