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lib/libc/gen/lrand48.c
| /* | /* | ||||
| * Copyright (c) 1993 Martin Birgmeier | * Copyright (c) 1993 Martin Birgmeier | ||||
| * All rights reserved. | * All rights reserved. | ||||
| * | * | ||||
| * You may redistribute unmodified or modified versions of this source | * You may redistribute unmodified or modified versions of this source | ||||
| * code provided that the above copyright notice and this and the | * code provided that the above copyright notice and this and the | ||||
| * following conditions are retained. | * following conditions are retained. | ||||
| * | * | ||||
| * This software is provided ``as is'', and comes with no warranties | * This software is provided ``as is'', and comes with no warranties | ||||
| * of any kind. I shall in no event be liable for anything that happens | * of any kind. I shall in no event be liable for anything that happens | ||||
| * to anyone/anything when using this software. | * to anyone/anything when using this software. | ||||
| */ | */ | ||||
| #include "rand48.h" | #include "rand48.h" | ||||
| extern unsigned short _rand48_seed[3]; | |||||
| long | long | ||||
| lrand48(void) | lrand48(void) | ||||
| { | { | ||||
| _dorand48(_rand48_seed); | _DORAND48(_rand48_seed); | ||||
| return ((long) _rand48_seed[2] << 15) + ((long) _rand48_seed[1] >> 1); | return (_rand48_seed >> 17) & 0x7fffffff; | ||||
| } | } | ||||