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#include <stdint.h>
#include "rand48.h"
uint64_t __rand48_step(unsigned short *xi, unsigned short *lc)
{
uint64_t a, x;
x = xi[0] | xi[1]+0U<<16 | xi[2]+0ULL<<32;
a = lc[0] | lc[1]+0U<<16 | lc[2]+0ULL<<32;
x = a*x + lc[3];
xi[0] = x;
xi[1] = x>>16;
xi[2] = x>>32;
return x & 0xffffffffffffull;
}
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