51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*
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* Copyright(c) 2006 to 2022 ZettaScale Technology and others
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License v. 2.0 which is available at
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* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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* v. 1.0 which is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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*/
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#ifndef DDSRT_RANDOM_H
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#define DDSRT_RANDOM_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "dds/export.h"
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#if defined (__cplusplus)
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extern "C" {
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#endif
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#define DDSRT_MT19937_N 624
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typedef struct ddsrt_prng_seed {
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uint32_t key[8];
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} ddsrt_prng_seed_t;
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typedef struct ddsrt_prng {
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uint32_t mt[DDSRT_MT19937_N];
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uint32_t mti;
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} ddsrt_prng_t;
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DDS_EXPORT void ddsrt_random_init (void);
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DDS_EXPORT void ddsrt_random_fini (void);
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DDS_EXPORT void ddsrt_prng_init_simple (ddsrt_prng_t *prng, uint32_t seed);
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DDS_EXPORT bool ddsrt_prng_makeseed (struct ddsrt_prng_seed *seed);
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DDS_EXPORT void ddsrt_prng_init (ddsrt_prng_t *prng, const struct ddsrt_prng_seed *seed);
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DDS_EXPORT uint32_t ddsrt_prng_random (ddsrt_prng_t *prng);
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DDS_EXPORT size_t ddsrt_prng_random_name(ddsrt_prng_t *prng, char* output, size_t output_size);
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DDS_EXPORT uint32_t ddsrt_random (void);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* DDSRT_RANDOM_H */
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