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move MT19937 random generator to ddsrt

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Signed-off-by: Erik Boasson <eb@ilities.com>
This commit is contained in:
Erik Boasson 2019-04-03 17:03:17 +02:00 • committed by eboasson
parent dd9aceb713
commit 6e87841ea5
13 changed files with 345 additions and 264 deletions
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23
src/ddsrt/include/dds/ddsrt/random.h
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@ -12,13 +12,34 @@
#ifndef DDSRT_RANDOM_H
#define DDSRT_RANDOM_H
#include <stdint.h>
#include <stdbool.h>
#include "dds/export.h"
#if defined (__cplusplus)
extern "C" {
#endif
DDS_EXPORT long ddsrt_random(void);
#define DDSRT_MT19937_N 624
typedef struct ddsrt_prng_seed {
uint32_t key[8];
} ddsrt_prng_seed_t;
typedef struct ddsrt_prng {
uint32_t mt[DDSRT_MT19937_N];
uint32_t mti;
} ddsrt_prng_t;
DDS_EXPORT void ddsrt_random_init (void);
DDS_EXPORT void ddsrt_random_fini (void);
DDS_EXPORT void ddsrt_prng_init_simple (ddsrt_prng_t *prng, uint32_t seed);
DDS_EXPORT bool ddsrt_prng_makeseed (struct ddsrt_prng_seed *seed);
DDS_EXPORT void ddsrt_prng_init (ddsrt_prng_t *prng, const struct ddsrt_prng_seed *seed);
DDS_EXPORT uint32_t ddsrt_prng_random (ddsrt_prng_t *prng);
DDS_EXPORT uint32_t ddsrt_random (void);
#if defined (__cplusplus)
}