Random number generators: Difference between revisions
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* PCG paper: https://www.pcg-random.org/pdf/hmc-cs-2014-0905.pdf |
* PCG paper: https://www.pcg-random.org/pdf/hmc-cs-2014-0905.pdf |
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[[Category:C]] [[Category:Programming]] |
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Latest revision as of 15:36, 20 February 2021
pcg32()
// https://twitter.com/zeuxcg/status/1363143368033755136
uint32_t pcg32(uint64_t* s) {
uint32_t x = ((*s >> 18u) ^ *s) >> 27u;
uint32_t r = *s >> 59u;
*s = *s * 6364136223846793005ULL + 1;
return (x >> r) | (x << ((-r) & 31));
}