Chromium Code Reviews| OLD | NEW |
|---|---|
| 1 #include <stdint.h> | 1 #include <stdint.h> |
| 2 | 2 |
| 3 uint64_t __rand48_step(unsigned short *xi, unsigned short *lc) | 3 uint64_t __rand48_step(unsigned short *xi, unsigned short *lc) |
| 4 { | 4 { |
| 5 uint64_t a, x; | 5 uint64_t a, x; |
| 6 » x = xi[0] | xi[1]+0U<<16 | xi[2]+0ULL<<32; | 6 » x = xi[0] | ((uint32_t)xi[1])<<16 | ((uint64_t)xi[2])<<32; |
| 7 » a = lc[0] | lc[1]+0U<<16 | lc[2]+0ULL<<32; | 7 » a = lc[0] | ((uint32_t)lc[1])<<16 | ((uint64_t)lc[2])<<32; |
| 8 x = a*x + lc[3]; | 8 x = a*x + lc[3]; |
| 9 xi[0] = x; | 9 xi[0] = x; |
| 10 xi[1] = x>>16; | 10 xi[1] = x>>16; |
| 11 xi[2] = x>>32; | 11 xi[2] = x>>32; |
| 12 return x & 0xffffffffffffull; | 12 return x & 0xffffffffffffull; |
| 13 } | 13 } |
| OLD | NEW |