musl-tcc/src/prng/rand.c

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2022-03-20 08:48:53 +00:00
#include <stdlib.h>
#include <stdint.h>
static uint64_t seed;
void srand(unsigned s)
{
seed = s-1;
}
int rand(void)
{
seed = 6364136223846793005ULL*seed + 1;
return seed>>33;
}