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17 lines
531 B
C
17 lines
531 B
C
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// *Really* minimal PCG32 code / (c) 2014 M.E. O'Neill / pcg-random.org
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// Licensed under Apache License 2.0 (NO WARRANTY, etc. see website)
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#ifndef RANDOM_H
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#define RANDOM_H
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#include "typedefs.h"
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#define PCG_DEFAULT_INC_64 1442695040888963407ULL
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typedef struct { uint64_t state; uint64_t inc; } pcg32_random_t;
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uint32_t pcg32_random_r(pcg32_random_t* rng);
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void pcg32_srandom_r(pcg32_random_t* rng, uint64_t initstate, uint64_t initseq);
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uint32_t pcg32_boundedrand_r(pcg32_random_t* rng, uint32_t bound);
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#endif // RANDOM_H
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