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35 lines
524 B
35 lines
524 B
4 years ago
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#include <stdint.h>
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#include <time.h>
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#if defined (__linux__)
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#include <sys/syscall.h>
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#include <unistd.h>
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#define GRND_NONBLOCK 1
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#endif
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#if defined (__RDRND__) || defined (__RDSEED__)
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#include <immintrin.h>
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#endif
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/* The WIN32 code is still untested and thus commented
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#if defined (WIN32)
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#include <Wincrypt.h>
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#endif */
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struct rn_generator_state_t {
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uint64_t a, b;
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};
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struct splitmix64_state_t {
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uint64_t s;
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};
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int n2n_srand (uint64_t seed);
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uint64_t n2n_rand ();
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uint64_t n2n_seed ();
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