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| Source at commit 1808 created 12 years 4 months ago. By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier? | |
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| 1 | /*␊ |
| 2 | * jrand48.c␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | #include <stdlib.h>␊ |
| 6 | #include <stdint.h>␊ |
| 7 | ␊ |
| 8 | long jrand48(unsigned short xsubi[3])␊ |
| 9 | {␊ |
| 10 | ␉uint64_t x;␊ |
| 11 | ␊ |
| 12 | ␉/* The xsubi[] array is littleendian by spec */␊ |
| 13 | ␉x = (uint64_t) (uint16_t) xsubi[0] +␊ |
| 14 | ␉ ((uint64_t) (uint16_t) xsubi[1] << 16) +␊ |
| 15 | ␉ ((uint64_t) (uint16_t) xsubi[2] << 32);␊ |
| 16 | ␊ |
| 17 | ␉x = (0x5deece66dULL * x) + 0xb;␊ |
| 18 | ␊ |
| 19 | ␉xsubi[0] = (unsigned short)(uint16_t) x;␊ |
| 20 | ␉xsubi[1] = (unsigned short)(uint16_t) (x >> 16);␊ |
| 21 | ␉xsubi[2] = (unsigned short)(uint16_t) (x >> 32);␊ |
| 22 | ␊ |
| 23 | ␉return (long)(int32_t) (x >> 16);␊ |
| 24 | }␊ |
| 25 | |
