blob: 638614c867911a133d4a3f054c7150e28d5a4425 (
plain) (
tree)
|
|
#include <stdlib.h>
static unsigned temper(unsigned x)
{
x ^= x>>11;
x ^= x<<7 & 0x9D2C5680;
x ^= x<<15 & 0xEFC60000;
x ^= x>>18;
return x;
}
int rand_r(unsigned *seed)
{
return temper(*seed = *seed * 1103515245 + 12345)/2;
}
|