53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
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* This software is licensed under the terms of the MIT License.
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* See COPYING for further information.
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* ---
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* Copyright (c) 2011-2019, Lukas Weber <laochailan@web.de>.
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* Copyright (c) 2012-2019, Andrei Alexeyev <akari@taisei-project.org>.
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*/
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#ifndef IGUARD_random_h
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#define IGUARD_random_h
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#include "taisei.h"
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typedef struct RandomState {
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uint64_t state[4];
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bool locked;
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} RandomState;
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uint64_t splitmix64(uint64_t *state);
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uint64_t makeseed(void);
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void tsrand_init(RandomState *rnd, uint64_t seed);
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void tsrand_switch(RandomState *rnd);
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void tsrand_seed_p(RandomState *rnd, uint64_t seed);
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uint32_t tsrand_p(RandomState *rnd);
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uint64_t tsrand64_p(RandomState *rnd);
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void tsrand_seed(uint64_t seed);
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uint32_t tsrand(void);
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uint64_t tsrand64(void);
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void tsrand_lock(RandomState *rnd);
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void tsrand_unlock(RandomState *rnd);
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double frand(void);
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double nfrand(void);
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void _tsrand_fill_p(RandomState *rnd, int amount, const char *file, uint line);
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void _tsrand_fill(int amount, const char *file, uint line);
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uint32_t _tsrand_a(int idx, const char *file, uint line);
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uint64_t _tsrand64_a(int idx, const char *file, uint line);
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double _afrand(int idx, const char *file, uint line);
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double _anfrand(int idx, const char *file, uint line);
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#define tsrand_fill_p(rnd,amount) _tsrand_fill_p(rnd, amount, __FILE__, __LINE__)
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#define tsrand_fill(amount) _tsrand_fill(amount, __FILE__, __LINE__)
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#define tsrand_a(idx) _tsrand_a(idx, __FILE__, __LINE__)
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#define afrand(idx) _afrand(idx, __FILE__, __LINE__)
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#define anfrand(idx) _anfrand(idx, __FILE__, __LINE__)
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#define TSRAND_ARRAY_LIMIT 16
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#endif // IGUARD_random_h
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