projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 224c7076 A |
1 | --- _rand48.c.orig 2003-05-20 15:21:01.000000000 -0700 |
| 2 | +++ _rand48.c 2005-11-03 13:52:27.000000000 -0800 | |
| 3 | @@ -16,34 +16,6 @@ | |
| 4 | ||
| 5 | #include "rand48.h" | |
| 6 | ||
| 7 | -unsigned short _rand48_seed[3] = { | |
| 8 | - RAND48_SEED_0, | |
| 9 | - RAND48_SEED_1, | |
| 10 | - RAND48_SEED_2 | |
| 11 | -}; | |
| 12 | -unsigned short _rand48_mult[3] = { | |
| 13 | - RAND48_MULT_0, | |
| 14 | - RAND48_MULT_1, | |
| 15 | - RAND48_MULT_2 | |
| 16 | -}; | |
| 17 | -unsigned short _rand48_add = RAND48_ADD; | |
| 18 | - | |
| 19 | -void | |
| 20 | -_dorand48(unsigned short xseed[3]) | |
| 21 | -{ | |
| 22 | - unsigned long accu; | |
| 23 | - unsigned short temp[2]; | |
| 24 | - | |
| 25 | - accu = (unsigned long) _rand48_mult[0] * (unsigned long) xseed[0] + | |
| 26 | - (unsigned long) _rand48_add; | |
| 27 | - temp[0] = (unsigned short) accu; /* lower 16 bits */ | |
| 28 | - accu >>= sizeof(unsigned short) * 8; | |
| 29 | - accu += (unsigned long) _rand48_mult[0] * (unsigned long) xseed[1] + | |
| 30 | - (unsigned long) _rand48_mult[1] * (unsigned long) xseed[0]; | |
| 31 | - temp[1] = (unsigned short) accu; /* middle 16 bits */ | |
| 32 | - accu >>= sizeof(unsigned short) * 8; | |
| 33 | - accu += _rand48_mult[0] * xseed[2] + _rand48_mult[1] * xseed[1] + _rand48_mult[2] * xseed[0]; | |
| 34 | - xseed[0] = temp[0]; | |
| 35 | - xseed[1] = temp[1]; | |
| 36 | - xseed[2] = (unsigned short) accu; | |
| 37 | -} | |
| 38 | +uint48 _rand48_seed = RAND48_SEED; | |
| 39 | +uint48 _rand48_mult = RAND48_MULT; | |
| 40 | +uint48 _rand48_add = RAND48_ADD; |